about summary refs log tree commit diff stats
path: root/html/subx/apps/hex.subx.html
diff options
context:
space:
mode:
authorKartik Agaram <vc@akkartik.com>2018-12-06 10:50:26 -0800
committerKartik Agaram <vc@akkartik.com>2018-12-06 10:50:26 -0800
commita966881b6ef57de52cbf3001ed71bb66f0c77c2a (patch)
treeed855f4fbcaaaadaa8691d09d19eb6f32c1d670b /html/subx/apps/hex.subx.html
parent81605224f085ec85ea11302c938a53cf2dd8a2bc (diff)
downloadmu-a966881b6ef57de52cbf3001ed71bb66f0c77c2a.tar.gz
4848
Diffstat (limited to 'html/subx/apps/hex.subx.html')
-rw-r--r--html/subx/apps/hex.subx.html1807
1 files changed, 903 insertions, 904 deletions
diff --git a/html/subx/apps/hex.subx.html b/html/subx/apps/hex.subx.html
index 7de27c37..b5bd7458 100644
--- a/html/subx/apps/hex.subx.html
+++ b/html/subx/apps/hex.subx.html
@@ -241,910 +241,909 @@ if ('onhashchange' in window) {
 <span id="L175" class="LineNr"> 175 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
 <span id="L176" class="LineNr"> 176 </span>    eb/jump  $scan-next-byte:loop/disp8
 <span id="L177" class="LineNr"> 177 </span><span class="Constant">$scan-next-byte:check3</span>:
-<span id="L178" class="LineNr"> 178 </span><span class="subxComment"># TODO: error-byte takes a buffered-file, not a (fd or (address stream))</span>
-<span id="L179" class="LineNr"> 179 </span>    <span class="subxComment"># otherwise error-byte(ed, err, msg, EAX)</span>
-<span id="L180" class="LineNr"> 180 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L181" class="LineNr"> 181 </span>    50/push-EAX
-<span id="L182" class="LineNr"> 182 </span>    68/push  <span class="Constant">&quot;scan-next-byte: invalid byte&quot;</span>/imm32
-<span id="L183" class="LineNr"> 183 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          0xc/disp8      <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+12)</span>
-<span id="L184" class="LineNr"> 184 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          0x10/disp8     <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+16)</span>
-<span id="L185" class="LineNr"> 185 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L186" class="LineNr"> 186 </span>    e8/call  error-byte/disp32  <span class="subxComment"># never returns</span>
-<span id="L187" class="LineNr"> 187 </span><span class="Constant">$scan-next-byte:end</span>:
-<span id="L188" class="LineNr"> 188 </span>    <span class="subxS1Comment"># . restore registers</span>
-<span id="L189" class="LineNr"> 189 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L190" class="LineNr"> 190 </span>    89/copy                         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          5/r32/EBP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EBP to ESP</span>
-<span id="L191" class="LineNr"> 191 </span>    5d/pop-to-EBP
-<span id="L192" class="LineNr"> 192 </span>    c3/return
-<span id="L193" class="LineNr"> 193 </span>
-<span id="L194" class="LineNr"> 194 </span><span class="subxTest">test-scan-next-byte</span>:
-<span id="L195" class="LineNr"> 195 </span>    <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting number</span>
-<span id="L196" class="LineNr"> 196 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
-<span id="L197" class="LineNr"> 197 </span>    55/push-EBP
-<span id="L198" class="LineNr"> 198 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L199" class="LineNr"> 199 </span>    <span class="subxComment"># clear all streams</span>
-<span id="L200" class="LineNr"> 200 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L201" class="LineNr"> 201 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L202" class="LineNr"> 202 </span>    68/push  _test-stream/imm32
-<span id="L203" class="LineNr"> 203 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L204" class="LineNr"> 204 </span>    e8/call  clear-stream/disp32
-<span id="L205" class="LineNr"> 205 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L206" class="LineNr"> 206 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L207" class="LineNr"> 207 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L208" class="LineNr"> 208 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L209" class="LineNr"> 209 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L210" class="LineNr"> 210 </span>    05/add-to-EAX  4/imm32
-<span id="L211" class="LineNr"> 211 </span>    50/push-EAX
-<span id="L212" class="LineNr"> 212 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L213" class="LineNr"> 213 </span>    e8/call  clear-stream/disp32
-<span id="L214" class="LineNr"> 214 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L215" class="LineNr"> 215 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L216" class="LineNr"> 216 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
-<span id="L217" class="LineNr"> 217 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L218" class="LineNr"> 218 </span>    68/push  _test-error-stream/imm32
-<span id="L219" class="LineNr"> 219 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L220" class="LineNr"> 220 </span>    e8/call  clear-stream/disp32
-<span id="L221" class="LineNr"> 221 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L222" class="LineNr"> 222 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L223" class="LineNr"> 223 </span>    <span class="subxComment"># initialize '_test-stream' to &quot;abc&quot;</span>
-<span id="L224" class="LineNr"> 224 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;abc&quot;)</span>
-<span id="L225" class="LineNr"> 225 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L226" class="LineNr"> 226 </span>    68/push  <span class="Constant">&quot;abc&quot;</span>/imm32
-<span id="L227" class="LineNr"> 227 </span>    68/push  _test-stream/imm32
-<span id="L228" class="LineNr"> 228 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L229" class="LineNr"> 229 </span>    e8/call  write/disp32
-<span id="L230" class="LineNr"> 230 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L231" class="LineNr"> 231 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L232" class="LineNr"> 232 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
-<span id="L233" class="LineNr"> 233 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
-<span id="L234" class="LineNr"> 234 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
-<span id="L235" class="LineNr"> 235 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
-<span id="L236" class="LineNr"> 236 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
-<span id="L237" class="LineNr"> 237 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L238" class="LineNr"> 238 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
-<span id="L239" class="LineNr"> 239 </span>    51/push-ECX/ed
-<span id="L240" class="LineNr"> 240 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L241" class="LineNr"> 241 </span>    e8/call  tailor-exit-descriptor/disp32
-<span id="L242" class="LineNr"> 242 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L243" class="LineNr"> 243 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L244" class="LineNr"> 244 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
-<span id="L245" class="LineNr"> 245 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L246" class="LineNr"> 246 </span>    51/push-ECX/ed
-<span id="L247" class="LineNr"> 247 </span>    68/push  _test-error-stream/imm32
-<span id="L248" class="LineNr"> 248 </span>    68/push  _test-buffered-file/imm32
-<span id="L249" class="LineNr"> 249 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L250" class="LineNr"> 250 </span>    e8/call  scan-next-byte/disp32
-<span id="L251" class="LineNr"> 251 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
-<span id="L252" class="LineNr"> 252 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
-<span id="L253" class="LineNr"> 253 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
-<span id="L254" class="LineNr"> 254 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L255" class="LineNr"> 255 </span>    <span class="subxS2Comment"># . . restore ed</span>
-<span id="L256" class="LineNr"> 256 </span>    59/pop-to-ECX
-<span id="L257" class="LineNr"> 257 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
-<span id="L258" class="LineNr"> 258 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
-<span id="L259" class="LineNr"> 259 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L260" class="LineNr"> 260 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte: unexpected abort&quot;</span>/imm32
-<span id="L261" class="LineNr"> 261 </span>    68/push  0/imm32
-<span id="L262" class="LineNr"> 262 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
-<span id="L263" class="LineNr"> 263 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
-<span id="L264" class="LineNr"> 264 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L265" class="LineNr"> 265 </span>    e8/call  check-ints-equal/disp32
-<span id="L266" class="LineNr"> 266 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L267" class="LineNr"> 267 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L268" class="LineNr"> 268 </span>    <span class="subxComment"># return if abort</span>
-<span id="L269" class="LineNr"> 269 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
-<span id="L270" class="LineNr"> 270 </span>    75/jump-if-not-equal  $test-scan-next-byte:end/disp8
-<span id="L271" class="LineNr"> 271 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
-<span id="L272" class="LineNr"> 272 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L273" class="LineNr"> 273 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte&quot;</span>/imm32
-<span id="L274" class="LineNr"> 274 </span>    68/push  0x61/imm32/a
-<span id="L275" class="LineNr"> 275 </span>    50/push-EAX
-<span id="L276" class="LineNr"> 276 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L277" class="LineNr"> 277 </span>    e8/call  check-ints-equal/disp32
-<span id="L278" class="LineNr"> 278 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L279" class="LineNr"> 279 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L280" class="LineNr"> 280 </span><span class="Constant">$test-scan-next-byte:end</span>:
-<span id="L281" class="LineNr"> 281 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L282" class="LineNr"> 282 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
-<span id="L283" class="LineNr"> 283 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L284" class="LineNr"> 284 </span>    5d/pop-to-EBP
-<span id="L285" class="LineNr"> 285 </span>    c3/return
-<span id="L286" class="LineNr"> 286 </span>
-<span id="L287" class="LineNr"> 287 </span><span class="subxTest">test-scan-next-byte-skips-whitespace</span>:
-<span id="L288" class="LineNr"> 288 </span>    <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting number</span>
-<span id="L289" class="LineNr"> 289 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
-<span id="L290" class="LineNr"> 290 </span>    55/push-EBP
-<span id="L291" class="LineNr"> 291 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L292" class="LineNr"> 292 </span>    <span class="subxComment"># clear all streams</span>
-<span id="L293" class="LineNr"> 293 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L294" class="LineNr"> 294 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L295" class="LineNr"> 295 </span>    68/push  _test-stream/imm32
-<span id="L296" class="LineNr"> 296 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L297" class="LineNr"> 297 </span>    e8/call  clear-stream/disp32
-<span id="L298" class="LineNr"> 298 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L299" class="LineNr"> 299 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L300" class="LineNr"> 300 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L301" class="LineNr"> 301 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L302" class="LineNr"> 302 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L303" class="LineNr"> 303 </span>    05/add-to-EAX  4/imm32
-<span id="L304" class="LineNr"> 304 </span>    50/push-EAX
-<span id="L305" class="LineNr"> 305 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L306" class="LineNr"> 306 </span>    e8/call  clear-stream/disp32
-<span id="L307" class="LineNr"> 307 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L308" class="LineNr"> 308 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L309" class="LineNr"> 309 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
-<span id="L310" class="LineNr"> 310 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L311" class="LineNr"> 311 </span>    68/push  _test-error-stream/imm32
-<span id="L312" class="LineNr"> 312 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L313" class="LineNr"> 313 </span>    e8/call  clear-stream/disp32
-<span id="L314" class="LineNr"> 314 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L315" class="LineNr"> 315 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L316" class="LineNr"> 316 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading whitespace</span>
-<span id="L317" class="LineNr"> 317 </span>    <span class="subxS1Comment"># . write(_test-stream, text)</span>
-<span id="L318" class="LineNr"> 318 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L319" class="LineNr"> 319 </span>    68/push  <span class="Constant">&quot;  abc&quot;</span>/imm32
-<span id="L320" class="LineNr"> 320 </span>    68/push  _test-stream/imm32
-<span id="L321" class="LineNr"> 321 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L322" class="LineNr"> 322 </span>    e8/call  write/disp32
-<span id="L323" class="LineNr"> 323 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L324" class="LineNr"> 324 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L325" class="LineNr"> 325 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
-<span id="L326" class="LineNr"> 326 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
-<span id="L327" class="LineNr"> 327 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
-<span id="L328" class="LineNr"> 328 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
-<span id="L329" class="LineNr"> 329 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
-<span id="L330" class="LineNr"> 330 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L331" class="LineNr"> 331 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
-<span id="L332" class="LineNr"> 332 </span>    51/push-ECX/ed
-<span id="L333" class="LineNr"> 333 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L334" class="LineNr"> 334 </span>    e8/call  tailor-exit-descriptor/disp32
-<span id="L335" class="LineNr"> 335 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L336" class="LineNr"> 336 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L337" class="LineNr"> 337 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
-<span id="L338" class="LineNr"> 338 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L339" class="LineNr"> 339 </span>    51/push-ECX/ed
-<span id="L340" class="LineNr"> 340 </span>    68/push  _test-error-stream/imm32
-<span id="L341" class="LineNr"> 341 </span>    68/push  _test-buffered-file/imm32
-<span id="L342" class="LineNr"> 342 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L343" class="LineNr"> 343 </span>    e8/call  scan-next-byte/disp32
-<span id="L344" class="LineNr"> 344 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
-<span id="L345" class="LineNr"> 345 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
-<span id="L346" class="LineNr"> 346 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
-<span id="L347" class="LineNr"> 347 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L348" class="LineNr"> 348 </span>    <span class="subxS2Comment"># . . restore ed</span>
-<span id="L349" class="LineNr"> 349 </span>    59/pop-to-ECX
-<span id="L350" class="LineNr"> 350 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
-<span id="L351" class="LineNr"> 351 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
-<span id="L352" class="LineNr"> 352 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L353" class="LineNr"> 353 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace: unexpected abort&quot;</span>/imm32
-<span id="L354" class="LineNr"> 354 </span>    68/push  0/imm32
-<span id="L355" class="LineNr"> 355 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
-<span id="L356" class="LineNr"> 356 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
-<span id="L357" class="LineNr"> 357 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L358" class="LineNr"> 358 </span>    e8/call  check-ints-equal/disp32
-<span id="L359" class="LineNr"> 359 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L360" class="LineNr"> 360 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L361" class="LineNr"> 361 </span>    <span class="subxComment"># return if abort</span>
-<span id="L362" class="LineNr"> 362 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
-<span id="L363" class="LineNr"> 363 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-whitespace:end/disp8
-<span id="L364" class="LineNr"> 364 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
-<span id="L365" class="LineNr"> 365 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L366" class="LineNr"> 366 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace&quot;</span>/imm32
-<span id="L367" class="LineNr"> 367 </span>    68/push  0x61/imm32/a
-<span id="L368" class="LineNr"> 368 </span>    50/push-EAX
-<span id="L369" class="LineNr"> 369 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L370" class="LineNr"> 370 </span>    e8/call  check-ints-equal/disp32
-<span id="L371" class="LineNr"> 371 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L372" class="LineNr"> 372 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L373" class="LineNr"> 373 </span><span class="Constant">$test-scan-next-byte-skips-whitespace:end</span>:
-<span id="L374" class="LineNr"> 374 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L375" class="LineNr"> 375 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
-<span id="L376" class="LineNr"> 376 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L377" class="LineNr"> 377 </span>    5d/pop-to-EBP
-<span id="L378" class="LineNr"> 378 </span>    c3/return
-<span id="L379" class="LineNr"> 379 </span>
-<span id="L380" class="LineNr"> 380 </span><span class="subxTest">test-scan-next-byte-skips-comment</span>:
-<span id="L381" class="LineNr"> 381 </span>    <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting number</span>
-<span id="L382" class="LineNr"> 382 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
-<span id="L383" class="LineNr"> 383 </span>    55/push-EBP
-<span id="L384" class="LineNr"> 384 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L385" class="LineNr"> 385 </span>    <span class="subxComment"># clear all streams</span>
-<span id="L386" class="LineNr"> 386 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L387" class="LineNr"> 387 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L388" class="LineNr"> 388 </span>    68/push  _test-stream/imm32
-<span id="L389" class="LineNr"> 389 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L390" class="LineNr"> 390 </span>    e8/call  clear-stream/disp32
-<span id="L391" class="LineNr"> 391 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L392" class="LineNr"> 392 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L393" class="LineNr"> 393 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L394" class="LineNr"> 394 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L395" class="LineNr"> 395 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L396" class="LineNr"> 396 </span>    05/add-to-EAX  4/imm32
-<span id="L397" class="LineNr"> 397 </span>    50/push-EAX
-<span id="L398" class="LineNr"> 398 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L399" class="LineNr"> 399 </span>    e8/call  clear-stream/disp32
-<span id="L400" class="LineNr"> 400 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L401" class="LineNr"> 401 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L402" class="LineNr"> 402 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
-<span id="L403" class="LineNr"> 403 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L404" class="LineNr"> 404 </span>    68/push  _test-error-stream/imm32
-<span id="L405" class="LineNr"> 405 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L406" class="LineNr"> 406 </span>    e8/call  clear-stream/disp32
-<span id="L407" class="LineNr"> 407 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L408" class="LineNr"> 408 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L409" class="LineNr"> 409 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading comment</span>
-<span id="L410" class="LineNr"> 410 </span>    <span class="subxS1Comment"># . write(_test-stream, comment)</span>
-<span id="L411" class="LineNr"> 411 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L412" class="LineNr"> 412 </span>    68/push  <span class="Constant">&quot;#x&quot;</span>/imm32
-<span id="L413" class="LineNr"> 413 </span>    68/push  _test-stream/imm32
-<span id="L414" class="LineNr"> 414 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L415" class="LineNr"> 415 </span>    e8/call  write/disp32
-<span id="L416" class="LineNr"> 416 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L417" class="LineNr"> 417 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L418" class="LineNr"> 418 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
-<span id="L419" class="LineNr"> 419 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L420" class="LineNr"> 420 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
-<span id="L421" class="LineNr"> 421 </span>    68/push  _test-stream/imm32
-<span id="L422" class="LineNr"> 422 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L423" class="LineNr"> 423 </span>    e8/call  write/disp32
-<span id="L424" class="LineNr"> 424 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L425" class="LineNr"> 425 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L426" class="LineNr"> 426 </span>    <span class="subxS1Comment"># . write(_test-stream, real text)</span>
-<span id="L427" class="LineNr"> 427 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L428" class="LineNr"> 428 </span>    68/push  <span class="Constant">&quot;ab&quot;</span>/imm32
-<span id="L429" class="LineNr"> 429 </span>    68/push  _test-stream/imm32
-<span id="L430" class="LineNr"> 430 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L431" class="LineNr"> 431 </span>    e8/call  write/disp32
-<span id="L432" class="LineNr"> 432 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L433" class="LineNr"> 433 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L434" class="LineNr"> 434 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
-<span id="L435" class="LineNr"> 435 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
-<span id="L436" class="LineNr"> 436 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
-<span id="L437" class="LineNr"> 437 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
-<span id="L438" class="LineNr"> 438 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
-<span id="L439" class="LineNr"> 439 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L440" class="LineNr"> 440 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
-<span id="L441" class="LineNr"> 441 </span>    51/push-ECX/ed
-<span id="L442" class="LineNr"> 442 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L443" class="LineNr"> 443 </span>    e8/call  tailor-exit-descriptor/disp32
-<span id="L444" class="LineNr"> 444 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L445" class="LineNr"> 445 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L446" class="LineNr"> 446 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
-<span id="L447" class="LineNr"> 447 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L448" class="LineNr"> 448 </span>    51/push-ECX/ed
-<span id="L449" class="LineNr"> 449 </span>    68/push  _test-error-stream/imm32
-<span id="L450" class="LineNr"> 450 </span>    68/push  _test-buffered-file/imm32
-<span id="L451" class="LineNr"> 451 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L452" class="LineNr"> 452 </span>    e8/call  scan-next-byte/disp32
-<span id="L453" class="LineNr"> 453 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
-<span id="L454" class="LineNr"> 454 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
-<span id="L455" class="LineNr"> 455 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
-<span id="L456" class="LineNr"> 456 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L457" class="LineNr"> 457 </span>    <span class="subxS2Comment"># . . restore ed</span>
-<span id="L458" class="LineNr"> 458 </span>    59/pop-to-ECX
-<span id="L459" class="LineNr"> 459 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
-<span id="L460" class="LineNr"> 460 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
-<span id="L461" class="LineNr"> 461 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L462" class="LineNr"> 462 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment: unexpected abort&quot;</span>/imm32
-<span id="L463" class="LineNr"> 463 </span>    68/push  0/imm32
-<span id="L464" class="LineNr"> 464 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
-<span id="L465" class="LineNr"> 465 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
-<span id="L466" class="LineNr"> 466 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L467" class="LineNr"> 467 </span>    e8/call  check-ints-equal/disp32
-<span id="L468" class="LineNr"> 468 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L469" class="LineNr"> 469 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L470" class="LineNr"> 470 </span>    <span class="subxComment"># return if abort</span>
-<span id="L471" class="LineNr"> 471 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
-<span id="L472" class="LineNr"> 472 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-comment:end/disp8
-<span id="L473" class="LineNr"> 473 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
-<span id="L474" class="LineNr"> 474 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L475" class="LineNr"> 475 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment&quot;</span>/imm32
-<span id="L476" class="LineNr"> 476 </span>    68/push  0x61/imm32/a
-<span id="L477" class="LineNr"> 477 </span>    50/push-EAX
-<span id="L478" class="LineNr"> 478 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L479" class="LineNr"> 479 </span>    e8/call  check-ints-equal/disp32
-<span id="L480" class="LineNr"> 480 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L481" class="LineNr"> 481 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L482" class="LineNr"> 482 </span><span class="Constant">$test-scan-next-byte-skips-comment:end</span>:
-<span id="L483" class="LineNr"> 483 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L484" class="LineNr"> 484 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
-<span id="L485" class="LineNr"> 485 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L486" class="LineNr"> 486 </span>    5d/pop-to-EBP
-<span id="L487" class="LineNr"> 487 </span>    c3/return
-<span id="L488" class="LineNr"> 488 </span>
-<span id="L489" class="LineNr"> 489 </span><span class="subxTest">test-scan-next-byte-skips-comment-and-whitespace</span>:
-<span id="L490" class="LineNr"> 490 </span>    <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting number</span>
-<span id="L491" class="LineNr"> 491 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
-<span id="L492" class="LineNr"> 492 </span>    55/push-EBP
-<span id="L493" class="LineNr"> 493 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L494" class="LineNr"> 494 </span>    <span class="subxComment"># clear all streams</span>
-<span id="L495" class="LineNr"> 495 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L496" class="LineNr"> 496 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L497" class="LineNr"> 497 </span>    68/push  _test-stream/imm32
-<span id="L498" class="LineNr"> 498 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L499" class="LineNr"> 499 </span>    e8/call  clear-stream/disp32
-<span id="L500" class="LineNr"> 500 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L501" class="LineNr"> 501 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L502" class="LineNr"> 502 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L503" class="LineNr"> 503 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L504" class="LineNr"> 504 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L505" class="LineNr"> 505 </span>    05/add-to-EAX  4/imm32
-<span id="L506" class="LineNr"> 506 </span>    50/push-EAX
-<span id="L507" class="LineNr"> 507 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L508" class="LineNr"> 508 </span>    e8/call  clear-stream/disp32
-<span id="L509" class="LineNr"> 509 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L510" class="LineNr"> 510 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L511" class="LineNr"> 511 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
-<span id="L512" class="LineNr"> 512 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L513" class="LineNr"> 513 </span>    68/push  _test-error-stream/imm32
-<span id="L514" class="LineNr"> 514 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L515" class="LineNr"> 515 </span>    e8/call  clear-stream/disp32
-<span id="L516" class="LineNr"> 516 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L517" class="LineNr"> 517 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L518" class="LineNr"> 518 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading comment and more whitespace after newline</span>
-<span id="L519" class="LineNr"> 519 </span>    <span class="subxS1Comment"># . write(_test-stream, comment)</span>
-<span id="L520" class="LineNr"> 520 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L521" class="LineNr"> 521 </span>    68/push  <span class="Constant">&quot;#x&quot;</span>/imm32
-<span id="L522" class="LineNr"> 522 </span>    68/push  _test-stream/imm32
-<span id="L523" class="LineNr"> 523 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L524" class="LineNr"> 524 </span>    e8/call  write/disp32
-<span id="L525" class="LineNr"> 525 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L526" class="LineNr"> 526 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L527" class="LineNr"> 527 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
-<span id="L528" class="LineNr"> 528 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L529" class="LineNr"> 529 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
-<span id="L530" class="LineNr"> 530 </span>    68/push  _test-stream/imm32
-<span id="L531" class="LineNr"> 531 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L532" class="LineNr"> 532 </span>    e8/call  write/disp32
-<span id="L533" class="LineNr"> 533 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L534" class="LineNr"> 534 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L535" class="LineNr"> 535 </span>    <span class="subxS1Comment"># . write(_test-stream, real text)</span>
-<span id="L536" class="LineNr"> 536 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L537" class="LineNr"> 537 </span>    68/push  <span class="Constant">&quot; ab&quot;</span>/imm32
-<span id="L538" class="LineNr"> 538 </span>    68/push  _test-stream/imm32
-<span id="L539" class="LineNr"> 539 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L540" class="LineNr"> 540 </span>    e8/call  write/disp32
-<span id="L541" class="LineNr"> 541 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L542" class="LineNr"> 542 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L543" class="LineNr"> 543 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
-<span id="L544" class="LineNr"> 544 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
-<span id="L545" class="LineNr"> 545 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
-<span id="L546" class="LineNr"> 546 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
-<span id="L547" class="LineNr"> 547 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
-<span id="L548" class="LineNr"> 548 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L549" class="LineNr"> 549 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
-<span id="L550" class="LineNr"> 550 </span>    51/push-ECX/ed
-<span id="L551" class="LineNr"> 551 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L552" class="LineNr"> 552 </span>    e8/call  tailor-exit-descriptor/disp32
-<span id="L553" class="LineNr"> 553 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L554" class="LineNr"> 554 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L555" class="LineNr"> 555 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
-<span id="L556" class="LineNr"> 556 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L557" class="LineNr"> 557 </span>    51/push-ECX/ed
-<span id="L558" class="LineNr"> 558 </span>    68/push  _test-error-stream/imm32
-<span id="L559" class="LineNr"> 559 </span>    68/push  _test-buffered-file/imm32
-<span id="L560" class="LineNr"> 560 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L561" class="LineNr"> 561 </span>    e8/call  scan-next-byte/disp32
-<span id="L562" class="LineNr"> 562 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
-<span id="L563" class="LineNr"> 563 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
-<span id="L564" class="LineNr"> 564 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
-<span id="L565" class="LineNr"> 565 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L566" class="LineNr"> 566 </span>    <span class="subxS2Comment"># . . restore ed</span>
-<span id="L567" class="LineNr"> 567 </span>    59/pop-to-ECX
-<span id="L568" class="LineNr"> 568 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
-<span id="L569" class="LineNr"> 569 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
-<span id="L570" class="LineNr"> 570 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L571" class="LineNr"> 571 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment-and-whitespace: unexpected abort&quot;</span>/imm32
-<span id="L572" class="LineNr"> 572 </span>    68/push  0/imm32
-<span id="L573" class="LineNr"> 573 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
-<span id="L574" class="LineNr"> 574 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
-<span id="L575" class="LineNr"> 575 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L576" class="LineNr"> 576 </span>    e8/call  check-ints-equal/disp32
-<span id="L577" class="LineNr"> 577 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L578" class="LineNr"> 578 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L579" class="LineNr"> 579 </span>    <span class="subxComment"># return if abort</span>
-<span id="L580" class="LineNr"> 580 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
-<span id="L581" class="LineNr"> 581 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-comment-and-whitespace:end/disp8
-<span id="L582" class="LineNr"> 582 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
-<span id="L583" class="LineNr"> 583 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L584" class="LineNr"> 584 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment-and-whitespace&quot;</span>/imm32
-<span id="L585" class="LineNr"> 585 </span>    68/push  0x61/imm32/a
-<span id="L586" class="LineNr"> 586 </span>    50/push-EAX
-<span id="L587" class="LineNr"> 587 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L588" class="LineNr"> 588 </span>    e8/call  check-ints-equal/disp32
-<span id="L589" class="LineNr"> 589 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L590" class="LineNr"> 590 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L591" class="LineNr"> 591 </span><span class="Constant">$test-scan-next-byte-skips-comment-and-whitespace:end</span>:
-<span id="L592" class="LineNr"> 592 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L593" class="LineNr"> 593 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
-<span id="L594" class="LineNr"> 594 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L595" class="LineNr"> 595 </span>    5d/pop-to-EBP
-<span id="L596" class="LineNr"> 596 </span>    c3/return
-<span id="L597" class="LineNr"> 597 </span>
-<span id="L598" class="LineNr"> 598 </span><span class="subxTest">test-scan-next-byte-skips-whitespace-and-comment</span>:
-<span id="L599" class="LineNr"> 599 </span>    <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting number</span>
-<span id="L600" class="LineNr"> 600 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
-<span id="L601" class="LineNr"> 601 </span>    55/push-EBP
-<span id="L602" class="LineNr"> 602 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L603" class="LineNr"> 603 </span>    <span class="subxComment"># clear all streams</span>
-<span id="L604" class="LineNr"> 604 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L605" class="LineNr"> 605 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L606" class="LineNr"> 606 </span>    68/push  _test-stream/imm32
-<span id="L607" class="LineNr"> 607 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L608" class="LineNr"> 608 </span>    e8/call  clear-stream/disp32
-<span id="L609" class="LineNr"> 609 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L610" class="LineNr"> 610 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L611" class="LineNr"> 611 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L612" class="LineNr"> 612 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L613" class="LineNr"> 613 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L614" class="LineNr"> 614 </span>    05/add-to-EAX  4/imm32
-<span id="L615" class="LineNr"> 615 </span>    50/push-EAX
-<span id="L616" class="LineNr"> 616 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L617" class="LineNr"> 617 </span>    e8/call  clear-stream/disp32
-<span id="L618" class="LineNr"> 618 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L619" class="LineNr"> 619 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L620" class="LineNr"> 620 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
-<span id="L621" class="LineNr"> 621 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L622" class="LineNr"> 622 </span>    68/push  _test-error-stream/imm32
-<span id="L623" class="LineNr"> 623 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L624" class="LineNr"> 624 </span>    e8/call  clear-stream/disp32
-<span id="L625" class="LineNr"> 625 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L626" class="LineNr"> 626 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L627" class="LineNr"> 627 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading whitespace and comment</span>
-<span id="L628" class="LineNr"> 628 </span>    <span class="subxS1Comment"># . write(_test-stream, comment)</span>
-<span id="L629" class="LineNr"> 629 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L630" class="LineNr"> 630 </span>    68/push  <span class="Constant">&quot; #x&quot;</span>/imm32
-<span id="L631" class="LineNr"> 631 </span>    68/push  _test-stream/imm32
-<span id="L632" class="LineNr"> 632 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L633" class="LineNr"> 633 </span>    e8/call  write/disp32
-<span id="L634" class="LineNr"> 634 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L635" class="LineNr"> 635 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L636" class="LineNr"> 636 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
-<span id="L637" class="LineNr"> 637 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L638" class="LineNr"> 638 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
-<span id="L639" class="LineNr"> 639 </span>    68/push  _test-stream/imm32
-<span id="L640" class="LineNr"> 640 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L641" class="LineNr"> 641 </span>    e8/call  write/disp32
-<span id="L642" class="LineNr"> 642 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L643" class="LineNr"> 643 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L644" class="LineNr"> 644 </span>    <span class="subxS1Comment"># . write(_test-stream, real text)</span>
-<span id="L645" class="LineNr"> 645 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L646" class="LineNr"> 646 </span>    68/push  <span class="Constant">&quot;ab&quot;</span>/imm32
-<span id="L647" class="LineNr"> 647 </span>    68/push  _test-stream/imm32
-<span id="L648" class="LineNr"> 648 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L649" class="LineNr"> 649 </span>    e8/call  write/disp32
-<span id="L650" class="LineNr"> 650 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L651" class="LineNr"> 651 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L652" class="LineNr"> 652 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
-<span id="L653" class="LineNr"> 653 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
-<span id="L654" class="LineNr"> 654 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
-<span id="L655" class="LineNr"> 655 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
-<span id="L656" class="LineNr"> 656 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
-<span id="L657" class="LineNr"> 657 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L658" class="LineNr"> 658 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
-<span id="L659" class="LineNr"> 659 </span>    51/push-ECX/ed
-<span id="L660" class="LineNr"> 660 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L661" class="LineNr"> 661 </span>    e8/call  tailor-exit-descriptor/disp32
-<span id="L662" class="LineNr"> 662 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L663" class="LineNr"> 663 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L664" class="LineNr"> 664 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
-<span id="L665" class="LineNr"> 665 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L666" class="LineNr"> 666 </span>    51/push-ECX/ed
-<span id="L667" class="LineNr"> 667 </span>    68/push  _test-error-stream/imm32
-<span id="L668" class="LineNr"> 668 </span>    68/push  _test-buffered-file/imm32
-<span id="L669" class="LineNr"> 669 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L670" class="LineNr"> 670 </span>    e8/call  scan-next-byte/disp32
-<span id="L671" class="LineNr"> 671 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
-<span id="L672" class="LineNr"> 672 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
-<span id="L673" class="LineNr"> 673 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
-<span id="L674" class="LineNr"> 674 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L675" class="LineNr"> 675 </span>    <span class="subxS2Comment"># . . restore ed</span>
-<span id="L676" class="LineNr"> 676 </span>    59/pop-to-ECX
-<span id="L677" class="LineNr"> 677 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
-<span id="L678" class="LineNr"> 678 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
-<span id="L679" class="LineNr"> 679 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L680" class="LineNr"> 680 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace-and-comment: unexpected abort&quot;</span>/imm32
-<span id="L681" class="LineNr"> 681 </span>    68/push  0/imm32
-<span id="L682" class="LineNr"> 682 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
-<span id="L683" class="LineNr"> 683 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
-<span id="L684" class="LineNr"> 684 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L685" class="LineNr"> 685 </span>    e8/call  check-ints-equal/disp32
-<span id="L686" class="LineNr"> 686 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L687" class="LineNr"> 687 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L688" class="LineNr"> 688 </span>    <span class="subxComment"># return if abort</span>
-<span id="L689" class="LineNr"> 689 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
-<span id="L690" class="LineNr"> 690 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-whitespace-and-comment:end/disp8
-<span id="L691" class="LineNr"> 691 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
-<span id="L692" class="LineNr"> 692 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L693" class="LineNr"> 693 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace-and-comment&quot;</span>/imm32
-<span id="L694" class="LineNr"> 694 </span>    68/push  0x61/imm32/a
-<span id="L695" class="LineNr"> 695 </span>    50/push-EAX
-<span id="L696" class="LineNr"> 696 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L697" class="LineNr"> 697 </span>    e8/call  check-ints-equal/disp32
-<span id="L698" class="LineNr"> 698 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L699" class="LineNr"> 699 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L700" class="LineNr"> 700 </span><span class="Constant">$test-scan-next-byte-skips-whitespace-and-comment:end</span>:
-<span id="L701" class="LineNr"> 701 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L702" class="LineNr"> 702 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
-<span id="L703" class="LineNr"> 703 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L704" class="LineNr"> 704 </span>    5d/pop-to-EBP
-<span id="L705" class="LineNr"> 705 </span>    c3/return
-<span id="L706" class="LineNr"> 706 </span>
-<span id="L707" class="LineNr"> 707 </span><span class="subxTest">test-scan-next-byte-reads-final-byte</span>:
-<span id="L708" class="LineNr"> 708 </span>    <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting number</span>
-<span id="L709" class="LineNr"> 709 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
-<span id="L710" class="LineNr"> 710 </span>    55/push-EBP
-<span id="L711" class="LineNr"> 711 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L712" class="LineNr"> 712 </span>    <span class="subxComment"># clear all streams</span>
-<span id="L713" class="LineNr"> 713 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L714" class="LineNr"> 714 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L715" class="LineNr"> 715 </span>    68/push  _test-stream/imm32
-<span id="L716" class="LineNr"> 716 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L717" class="LineNr"> 717 </span>    e8/call  clear-stream/disp32
-<span id="L718" class="LineNr"> 718 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L719" class="LineNr"> 719 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L720" class="LineNr"> 720 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L721" class="LineNr"> 721 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L722" class="LineNr"> 722 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L723" class="LineNr"> 723 </span>    05/add-to-EAX  4/imm32
-<span id="L724" class="LineNr"> 724 </span>    50/push-EAX
-<span id="L725" class="LineNr"> 725 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L726" class="LineNr"> 726 </span>    e8/call  clear-stream/disp32
-<span id="L727" class="LineNr"> 727 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L728" class="LineNr"> 728 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L729" class="LineNr"> 729 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
-<span id="L730" class="LineNr"> 730 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L731" class="LineNr"> 731 </span>    68/push  _test-error-stream/imm32
-<span id="L732" class="LineNr"> 732 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L733" class="LineNr"> 733 </span>    e8/call  clear-stream/disp32
-<span id="L734" class="LineNr"> 734 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L735" class="LineNr"> 735 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L736" class="LineNr"> 736 </span>    <span class="subxComment"># initialize '_test-stream' to input with single character</span>
-<span id="L737" class="LineNr"> 737 </span>    <span class="subxS1Comment"># . write(_test-stream, character)</span>
-<span id="L738" class="LineNr"> 738 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L739" class="LineNr"> 739 </span>    68/push  <span class="Constant">&quot;a&quot;</span>/imm32
-<span id="L740" class="LineNr"> 740 </span>    68/push  _test-stream/imm32
-<span id="L741" class="LineNr"> 741 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L742" class="LineNr"> 742 </span>    e8/call  write/disp32
-<span id="L743" class="LineNr"> 743 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L744" class="LineNr"> 744 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L745" class="LineNr"> 745 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
-<span id="L746" class="LineNr"> 746 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
-<span id="L747" class="LineNr"> 747 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
-<span id="L748" class="LineNr"> 748 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
-<span id="L749" class="LineNr"> 749 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
-<span id="L750" class="LineNr"> 750 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L751" class="LineNr"> 751 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
-<span id="L752" class="LineNr"> 752 </span>    51/push-ECX/ed
-<span id="L753" class="LineNr"> 753 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L754" class="LineNr"> 754 </span>    e8/call  tailor-exit-descriptor/disp32
-<span id="L755" class="LineNr"> 755 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L756" class="LineNr"> 756 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L757" class="LineNr"> 757 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
-<span id="L758" class="LineNr"> 758 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L759" class="LineNr"> 759 </span>    51/push-ECX/ed
-<span id="L760" class="LineNr"> 760 </span>    68/push  _test-error-stream/imm32
-<span id="L761" class="LineNr"> 761 </span>    68/push  _test-buffered-file/imm32
-<span id="L762" class="LineNr"> 762 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L763" class="LineNr"> 763 </span>    e8/call  scan-next-byte/disp32
-<span id="L764" class="LineNr"> 764 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
-<span id="L765" class="LineNr"> 765 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
-<span id="L766" class="LineNr"> 766 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
-<span id="L767" class="LineNr"> 767 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L768" class="LineNr"> 768 </span>    <span class="subxS2Comment"># . . restore ed</span>
-<span id="L769" class="LineNr"> 769 </span>    59/pop-to-ECX
-<span id="L770" class="LineNr"> 770 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
-<span id="L771" class="LineNr"> 771 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
-<span id="L772" class="LineNr"> 772 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L773" class="LineNr"> 773 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-reads-final-byte: unexpected abort&quot;</span>/imm32
-<span id="L774" class="LineNr"> 774 </span>    68/push  0/imm32
-<span id="L775" class="LineNr"> 775 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
-<span id="L776" class="LineNr"> 776 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
-<span id="L777" class="LineNr"> 777 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L778" class="LineNr"> 778 </span>    e8/call  check-ints-equal/disp32
-<span id="L779" class="LineNr"> 779 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L780" class="LineNr"> 780 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L781" class="LineNr"> 781 </span>    <span class="subxComment"># return if abort</span>
-<span id="L782" class="LineNr"> 782 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
-<span id="L783" class="LineNr"> 783 </span>    75/jump-if-not-equal  $test-scan-next-byte-reads-final-byte:end/disp8
-<span id="L784" class="LineNr"> 784 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
-<span id="L785" class="LineNr"> 785 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L786" class="LineNr"> 786 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-reads-final-byte&quot;</span>/imm32
-<span id="L787" class="LineNr"> 787 </span>    68/push  0x61/imm32/a
-<span id="L788" class="LineNr"> 788 </span>    50/push-EAX
-<span id="L789" class="LineNr"> 789 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L790" class="LineNr"> 790 </span>    e8/call  check-ints-equal/disp32
-<span id="L791" class="LineNr"> 791 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L792" class="LineNr"> 792 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L793" class="LineNr"> 793 </span><span class="Constant">$test-scan-next-byte-reads-final-byte:end</span>:
-<span id="L794" class="LineNr"> 794 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L795" class="LineNr"> 795 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
-<span id="L796" class="LineNr"> 796 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L797" class="LineNr"> 797 </span>    5d/pop-to-EBP
-<span id="L798" class="LineNr"> 798 </span>    c3/return
-<span id="L799" class="LineNr"> 799 </span>
-<span id="L800" class="LineNr"> 800 </span><span class="subxFunction">is-hex-lowercase-byte?</span>:  <span class="subxComment"># c : byte -&gt; bool/EAX</span>
-<span id="L801" class="LineNr"> 801 </span>    <span class="subxS1Comment"># . prolog</span>
-<span id="L802" class="LineNr"> 802 </span>    55/push-EBP
-<span id="L803" class="LineNr"> 803 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L804" class="LineNr"> 804 </span>    <span class="subxS1Comment"># . save registers</span>
-<span id="L805" class="LineNr"> 805 </span>    51/push-ECX
-<span id="L806" class="LineNr"> 806 </span>    <span class="subxComment"># ECX = c</span>
-<span id="L807" class="LineNr"> 807 </span>    8b/copy                         1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX   8/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># copy *(EBP+8) to ECX</span>
-<span id="L808" class="LineNr"> 808 </span>    <span class="subxComment"># return false if c &lt; '0'</span>
-<span id="L809" class="LineNr"> 809 </span>    b8/copy-to-EAX  0/imm32/false
-<span id="L810" class="LineNr"> 810 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x30/imm32        <span class="subxComment"># compare ECX</span>
-<span id="L811" class="LineNr"> 811 </span>    7c/jump-if-lesser  $is-hex-lowercase-byte?:end/disp8
-<span id="L812" class="LineNr"> 812 </span>    <span class="subxComment"># return false if c &gt; 'f'</span>
-<span id="L813" class="LineNr"> 813 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x66/imm32        <span class="subxComment"># compare ECX</span>
-<span id="L814" class="LineNr"> 814 </span>    7f/jump-if-greater  $is-hex-lowercase-byte?:end/disp8
-<span id="L815" class="LineNr"> 815 </span>    <span class="subxComment"># return true if c &lt;= '9'</span>
-<span id="L816" class="LineNr"> 816 </span>    b8/copy-to-EAX  1/imm32/true
-<span id="L817" class="LineNr"> 817 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x39/imm32        <span class="subxComment"># compare ECX</span>
-<span id="L818" class="LineNr"> 818 </span>    7e/jump-if-lesser-or-equal  $is-hex-lowercase-byte?:end/disp8
-<span id="L819" class="LineNr"> 819 </span>    <span class="subxComment"># return true if c &gt;= 'a'</span>
-<span id="L820" class="LineNr"> 820 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x61/imm32        <span class="subxComment"># compare ECX</span>
-<span id="L821" class="LineNr"> 821 </span>    7d/jump-if-greater-or-equal  $is-hex-lowercase-byte?:end/disp8
-<span id="L822" class="LineNr"> 822 </span>    <span class="subxComment"># otherwise return false</span>
-<span id="L823" class="LineNr"> 823 </span>    b8/copy-to-EAX  0/imm32/false
-<span id="L824" class="LineNr"> 824 </span><span class="Constant">$is-hex-lowercase-byte?:end</span>:
-<span id="L825" class="LineNr"> 825 </span>    <span class="subxS1Comment"># . restore registers</span>
-<span id="L826" class="LineNr"> 826 </span>    59/pop-to-ECX
-<span id="L827" class="LineNr"> 827 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L828" class="LineNr"> 828 </span>    89/copy                         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          5/r32/EBP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EBP to ESP</span>
-<span id="L829" class="LineNr"> 829 </span>    5d/pop-to-EBP
-<span id="L830" class="LineNr"> 830 </span>    c3/return
-<span id="L831" class="LineNr"> 831 </span>
-<span id="L832" class="LineNr"> 832 </span><span class="subxTest">test-hex-below-0</span>:
-<span id="L833" class="LineNr"> 833 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x2f)</span>
-<span id="L834" class="LineNr"> 834 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L835" class="LineNr"> 835 </span>    68/push  0x2f/imm32
-<span id="L836" class="LineNr"> 836 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L837" class="LineNr"> 837 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L838" class="LineNr"> 838 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L839" class="LineNr"> 839 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L840" class="LineNr"> 840 </span>    <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span>
-<span id="L841" class="LineNr"> 841 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L842" class="LineNr"> 842 </span>    68/push  <span class="Constant">&quot;F - test-hex-below-0&quot;</span>/imm32
-<span id="L843" class="LineNr"> 843 </span>    68/push  0/imm32/false
-<span id="L844" class="LineNr"> 844 </span>    50/push-EAX
-<span id="L845" class="LineNr"> 845 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L846" class="LineNr"> 846 </span>    e8/call  check-ints-equal/disp32
-<span id="L847" class="LineNr"> 847 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L848" class="LineNr"> 848 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L849" class="LineNr"> 849 </span>    c3/return
-<span id="L850" class="LineNr"> 850 </span>
-<span id="L851" class="LineNr"> 851 </span><span class="subxTest">test-hex-0-to-9</span>:
-<span id="L852" class="LineNr"> 852 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x30)</span>
-<span id="L853" class="LineNr"> 853 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L854" class="LineNr"> 854 </span>    68/push  0x30/imm32
-<span id="L855" class="LineNr"> 855 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L856" class="LineNr"> 856 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L857" class="LineNr"> 857 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L858" class="LineNr"> 858 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L859" class="LineNr"> 859 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
-<span id="L860" class="LineNr"> 860 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L861" class="LineNr"> 861 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-0&quot;</span>/imm32
-<span id="L862" class="LineNr"> 862 </span>    68/push  1/imm32/true
-<span id="L863" class="LineNr"> 863 </span>    50/push-EAX
-<span id="L864" class="LineNr"> 864 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L865" class="LineNr"> 865 </span>    e8/call  check-ints-equal/disp32
-<span id="L866" class="LineNr"> 866 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L867" class="LineNr"> 867 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L868" class="LineNr"> 868 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x39)</span>
-<span id="L869" class="LineNr"> 869 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L870" class="LineNr"> 870 </span>    68/push  0x39/imm32
-<span id="L871" class="LineNr"> 871 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L872" class="LineNr"> 872 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L873" class="LineNr"> 873 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L874" class="LineNr"> 874 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L875" class="LineNr"> 875 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
-<span id="L876" class="LineNr"> 876 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L877" class="LineNr"> 877 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-9&quot;</span>/imm32
-<span id="L878" class="LineNr"> 878 </span>    68/push  1/imm32/true
-<span id="L879" class="LineNr"> 879 </span>    50/push-EAX
-<span id="L880" class="LineNr"> 880 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L881" class="LineNr"> 881 </span>    e8/call  check-ints-equal/disp32
-<span id="L882" class="LineNr"> 882 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L883" class="LineNr"> 883 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L884" class="LineNr"> 884 </span>    c3/return
-<span id="L885" class="LineNr"> 885 </span>
-<span id="L886" class="LineNr"> 886 </span><span class="subxTest">test-hex-above-9-to-a</span>:
-<span id="L887" class="LineNr"> 887 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x3a)</span>
-<span id="L888" class="LineNr"> 888 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L889" class="LineNr"> 889 </span>    68/push  0x3a/imm32
-<span id="L890" class="LineNr"> 890 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L891" class="LineNr"> 891 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L892" class="LineNr"> 892 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L893" class="LineNr"> 893 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L894" class="LineNr"> 894 </span>    <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span>
-<span id="L895" class="LineNr"> 895 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L896" class="LineNr"> 896 </span>    68/push  <span class="Constant">&quot;F - test-hex-above-9-to-a&quot;</span>/imm32
-<span id="L897" class="LineNr"> 897 </span>    68/push  0/imm32/false
-<span id="L898" class="LineNr"> 898 </span>    50/push-EAX
-<span id="L899" class="LineNr"> 899 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L900" class="LineNr"> 900 </span>    e8/call  check-ints-equal/disp32
-<span id="L901" class="LineNr"> 901 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L902" class="LineNr"> 902 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L903" class="LineNr"> 903 </span>    c3/return
-<span id="L904" class="LineNr"> 904 </span>
-<span id="L905" class="LineNr"> 905 </span><span class="subxTest">test-hex-a-to-f</span>:
-<span id="L906" class="LineNr"> 906 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x61)</span>
-<span id="L907" class="LineNr"> 907 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L908" class="LineNr"> 908 </span>    68/push  0x61/imm32
-<span id="L909" class="LineNr"> 909 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L910" class="LineNr"> 910 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L911" class="LineNr"> 911 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L912" class="LineNr"> 912 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L913" class="LineNr"> 913 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
-<span id="L914" class="LineNr"> 914 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L915" class="LineNr"> 915 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-a&quot;</span>/imm32
-<span id="L916" class="LineNr"> 916 </span>    68/push  1/imm32/true
-<span id="L917" class="LineNr"> 917 </span>    50/push-EAX
-<span id="L918" class="LineNr"> 918 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L919" class="LineNr"> 919 </span>    e8/call  check-ints-equal/disp32
-<span id="L920" class="LineNr"> 920 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L921" class="LineNr"> 921 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L922" class="LineNr"> 922 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x66)</span>
-<span id="L923" class="LineNr"> 923 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L924" class="LineNr"> 924 </span>    68/push  0x66/imm32
-<span id="L925" class="LineNr"> 925 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L926" class="LineNr"> 926 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L927" class="LineNr"> 927 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L928" class="LineNr"> 928 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L929" class="LineNr"> 929 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
-<span id="L930" class="LineNr"> 930 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L931" class="LineNr"> 931 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-f&quot;</span>/imm32
-<span id="L932" class="LineNr"> 932 </span>    68/push  1/imm32/true
-<span id="L933" class="LineNr"> 933 </span>    50/push-EAX
-<span id="L934" class="LineNr"> 934 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L935" class="LineNr"> 935 </span>    e8/call  check-ints-equal/disp32
-<span id="L936" class="LineNr"> 936 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L937" class="LineNr"> 937 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L938" class="LineNr"> 938 </span>    c3/return
-<span id="L939" class="LineNr"> 939 </span>
-<span id="L940" class="LineNr"> 940 </span><span class="subxTest">test-hex-above-f</span>:
-<span id="L941" class="LineNr"> 941 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x67)</span>
-<span id="L942" class="LineNr"> 942 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L943" class="LineNr"> 943 </span>    68/push  0x67/imm32
-<span id="L944" class="LineNr"> 944 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L945" class="LineNr"> 945 </span>    e8/call  is-hex-lowercase-byte?/disp32
-<span id="L946" class="LineNr"> 946 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L947" class="LineNr"> 947 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L948" class="LineNr"> 948 </span>    <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span>
-<span id="L949" class="LineNr"> 949 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L950" class="LineNr"> 950 </span>    68/push  <span class="Constant">&quot;F - test-hex-above-f&quot;</span>/imm32
-<span id="L951" class="LineNr"> 951 </span>    68/push  0/imm32/false
-<span id="L952" class="LineNr"> 952 </span>    50/push-EAX
-<span id="L953" class="LineNr"> 953 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L954" class="LineNr"> 954 </span>    e8/call  check-ints-equal/disp32
-<span id="L955" class="LineNr"> 955 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L956" class="LineNr"> 956 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L957" class="LineNr"> 957 </span>    c3/return
-<span id="L958" class="LineNr"> 958 </span>
-<span id="L959" class="LineNr"> 959 </span><span class="subxFunction">skip-until-newline</span>:  <span class="subxComment"># in : (address buffered-file) -&gt; &lt;void&gt;</span>
-<span id="L960" class="LineNr"> 960 </span>    <span class="subxComment"># pseudocode:</span>
-<span id="L961" class="LineNr"> 961 </span>    <span class="subxComment">#   push EAX</span>
-<span id="L962" class="LineNr"> 962 </span>    <span class="subxComment">#   repeatedly:</span>
-<span id="L963" class="LineNr"> 963 </span>    <span class="subxComment">#     EAX = read-byte(in)</span>
-<span id="L964" class="LineNr"> 964 </span>    <span class="subxComment">#     if EAX == 0xffffffff break</span>
-<span id="L965" class="LineNr"> 965 </span>    <span class="subxComment">#     if EAX == 0x0a break</span>
-<span id="L966" class="LineNr"> 966 </span>    <span class="subxComment">#   pop EAX</span>
-<span id="L967" class="LineNr"> 967 </span>    <span class="subxS1Comment"># . prolog</span>
-<span id="L968" class="LineNr"> 968 </span>    55/push-EBP
-<span id="L969" class="LineNr"> 969 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
-<span id="L970" class="LineNr"> 970 </span>    <span class="subxS1Comment"># . save registers</span>
-<span id="L971" class="LineNr"> 971 </span>    50/push-EAX
-<span id="L972" class="LineNr"> 972 </span><span class="Constant">$skip-until-newline:loop</span>:
-<span id="L973" class="LineNr"> 973 </span>    <span class="subxS1Comment"># . EAX = read-byte(in)</span>
-<span id="L974" class="LineNr"> 974 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L975" class="LineNr"> 975 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          8/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+8)</span>
-<span id="L976" class="LineNr"> 976 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L977" class="LineNr"> 977 </span>    e8/call  read-byte/disp32
-<span id="L978" class="LineNr"> 978 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L979" class="LineNr"> 979 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L980" class="LineNr"> 980 </span>    <span class="subxS1Comment"># . if EAX == 0xffffffff break</span>
-<span id="L981" class="LineNr"> 981 </span>    81          7/subop/compare     3/mod/direct    0/rm32/EAX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xffffffff/imm32  <span class="subxComment"># compare EAX</span>
-<span id="L982" class="LineNr"> 982 </span>    74/jump-if-equal  $skip-until-newline:end/disp8
-<span id="L983" class="LineNr"> 983 </span><span class="Constant">$aa</span>:
-<span id="L984" class="LineNr"> 984 </span>    <span class="subxS1Comment"># . if EAX != 0xa/newline loop</span>
-<span id="L985" class="LineNr"> 985 </span>    81          7/subop/compare     3/mod/direct    0/rm32/EAX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xa/imm32         <span class="subxComment"># compare EAX</span>
-<span id="L986" class="LineNr"> 986 </span>    75/jump-if-not-equal  $skip-until-newline:loop/disp8
-<span id="L987" class="LineNr"> 987 </span><span class="Constant">$skip-until-newline:end</span>:
-<span id="L988" class="LineNr"> 988 </span>    <span class="subxS1Comment"># . restore registers</span>
-<span id="L989" class="LineNr"> 989 </span>    58/pop-to-EAX
-<span id="L990" class="LineNr"> 990 </span>    <span class="subxS1Comment"># . epilog</span>
-<span id="L991" class="LineNr"> 991 </span>    89/copy                         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          5/r32/EBP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EBP to ESP</span>
-<span id="L992" class="LineNr"> 992 </span>    5d/pop-to-EBP
-<span id="L993" class="LineNr"> 993 </span>    c3/return
-<span id="L994" class="LineNr"> 994 </span>
-<span id="L995" class="LineNr"> 995 </span><span class="subxTest">test-skip-until-newline</span>:
-<span id="L996" class="LineNr"> 996 </span>    <span class="subxH1Comment"># - check that the read pointer points after the newline</span>
-<span id="L997" class="LineNr"> 997 </span>    <span class="subxComment"># setup</span>
-<span id="L998" class="LineNr"> 998 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
-<span id="L999" class="LineNr"> 999 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1000" class="LineNr">1000 </span>    68/push  _test-stream/imm32
-<span id="L1001" class="LineNr">1001 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1002" class="LineNr">1002 </span>    e8/call  clear-stream/disp32
-<span id="L1003" class="LineNr">1003 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1004" class="LineNr">1004 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L1005" class="LineNr">1005 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
-<span id="L1006" class="LineNr">1006 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1007" class="LineNr">1007 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L1008" class="LineNr">1008 </span>    05/add-to-EAX  4/imm32
-<span id="L1009" class="LineNr">1009 </span>    50/push-EAX
-<span id="L1010" class="LineNr">1010 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1011" class="LineNr">1011 </span>    e8/call  clear-stream/disp32
-<span id="L1012" class="LineNr">1012 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1013" class="LineNr">1013 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L1014" class="LineNr">1014 </span>    <span class="subxComment"># initialize '_test-stream' to &quot;abc\nde&quot;</span>
-<span id="L1015" class="LineNr">1015 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;abc&quot;)</span>
-<span id="L1016" class="LineNr">1016 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1017" class="LineNr">1017 </span>    68/push  <span class="Constant">&quot;abc&quot;</span>/imm32
-<span id="L1018" class="LineNr">1018 </span>    68/push  _test-stream/imm32
-<span id="L1019" class="LineNr">1019 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1020" class="LineNr">1020 </span>    e8/call  write/disp32
-<span id="L1021" class="LineNr">1021 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1022" class="LineNr">1022 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L1023" class="LineNr">1023 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
-<span id="L1024" class="LineNr">1024 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1025" class="LineNr">1025 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
-<span id="L1026" class="LineNr">1026 </span>    68/push  _test-stream/imm32
-<span id="L1027" class="LineNr">1027 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1028" class="LineNr">1028 </span>    e8/call  write/disp32
-<span id="L1029" class="LineNr">1029 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1030" class="LineNr">1030 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L1031" class="LineNr">1031 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;de&quot;)</span>
-<span id="L1032" class="LineNr">1032 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1033" class="LineNr">1033 </span>    68/push  <span class="Constant">&quot;de&quot;</span>/imm32
-<span id="L1034" class="LineNr">1034 </span>    68/push  _test-stream/imm32
-<span id="L1035" class="LineNr">1035 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1036" class="LineNr">1036 </span>    e8/call  write/disp32
-<span id="L1037" class="LineNr">1037 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1038" class="LineNr">1038 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L1039" class="LineNr">1039 </span>    <span class="subxComment"># skip-until-newline(_test-buffered-file)</span>
-<span id="L1040" class="LineNr">1040 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1041" class="LineNr">1041 </span>    68/push  _test-buffered-file/imm32
-<span id="L1042" class="LineNr">1042 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1043" class="LineNr">1043 </span>    e8/call  skip-until-newline/disp32
-<span id="L1044" class="LineNr">1044 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1045" class="LineNr">1045 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
-<span id="L1046" class="LineNr">1046 </span>    <span class="subxComment"># check-ints-equal(_test-buffered-file-&gt;read, 4, msg)</span>
-<span id="L1047" class="LineNr">1047 </span>    <span class="subxS2Comment"># . . push args</span>
-<span id="L1048" class="LineNr">1048 </span>    68/push  <span class="Constant">&quot;F - test-skip-until-newline&quot;</span>/imm32
-<span id="L1049" class="LineNr">1049 </span>    68/push  4/imm32
-<span id="L1050" class="LineNr">1050 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
-<span id="L1051" class="LineNr">1051 </span>    ff          6/subop/push        1/mod/*+disp8   0/rm32/EAX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          8/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EAX+8)</span>
-<span id="L1052" class="LineNr">1052 </span>    <span class="subxS2Comment"># . . call</span>
-<span id="L1053" class="LineNr">1053 </span>    e8/call  check-ints-equal/disp32
-<span id="L1054" class="LineNr">1054 </span>    <span class="subxS2Comment"># . . discard args</span>
-<span id="L1055" class="LineNr">1055 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
-<span id="L1056" class="LineNr">1056 </span>    <span class="subxS1Comment"># . end</span>
-<span id="L1057" class="LineNr">1057 </span>    c3/return
-<span id="L1058" class="LineNr">1058 </span>
-<span id="L1059" class="LineNr">1059 </span>== data
-<span id="L1060" class="LineNr">1060 </span>
-<span id="L1061" class="LineNr">1061 </span><span class="subxMinorFunction">_test-output-stream</span>:
-<span id="L1062" class="LineNr">1062 </span>    <span class="subxComment"># current write index</span>
-<span id="L1063" class="LineNr">1063 </span>    00 00 00 00
-<span id="L1064" class="LineNr">1064 </span>    <span class="subxComment"># current read index</span>
-<span id="L1065" class="LineNr">1065 </span>    00 00 00 00
-<span id="L1066" class="LineNr">1066 </span>    <span class="subxComment"># length (= 8)</span>
-<span id="L1067" class="LineNr">1067 </span>    08 00 00 00
-<span id="L1068" class="LineNr">1068 </span>    <span class="subxComment"># data</span>
-<span id="L1069" class="LineNr">1069 </span>    00 00 00 00 00 00 00 00  <span class="subxComment"># 8 bytes</span>
-<span id="L1070" class="LineNr">1070 </span>
-<span id="L1071" class="LineNr">1071 </span><span class="subxMinorFunction">_test-error-stream</span>:
-<span id="L1072" class="LineNr">1072 </span>    <span class="subxComment"># current write index</span>
-<span id="L1073" class="LineNr">1073 </span>    00 00 00 00
-<span id="L1074" class="LineNr">1074 </span>    <span class="subxComment"># current read index</span>
-<span id="L1075" class="LineNr">1075 </span>    00 00 00 00
-<span id="L1076" class="LineNr">1076 </span>    <span class="subxComment"># length (= 8)</span>
-<span id="L1077" class="LineNr">1077 </span>    08 00 00 00
-<span id="L1078" class="LineNr">1078 </span>    <span class="subxComment"># data</span>
-<span id="L1079" class="LineNr">1079 </span>    00 00 00 00 00 00 00 00  <span class="subxComment"># 8 bytes</span>
-<span id="L1080" class="LineNr">1080 </span>
-<span id="L1081" class="LineNr">1081 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
+<span id="L178" class="LineNr"> 178 </span>    <span class="subxComment"># otherwise error-byte(ed, err, msg, EAX)</span>
+<span id="L179" class="LineNr"> 179 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L180" class="LineNr"> 180 </span>    50/push-EAX
+<span id="L181" class="LineNr"> 181 </span>    68/push  <span class="Constant">&quot;scan-next-byte: invalid byte&quot;</span>/imm32
+<span id="L182" class="LineNr"> 182 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          0xc/disp8      <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+12)</span>
+<span id="L183" class="LineNr"> 183 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          0x10/disp8     <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+16)</span>
+<span id="L184" class="LineNr"> 184 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L185" class="LineNr"> 185 </span>    e8/call  error-byte/disp32  <span class="subxComment"># never returns</span>
+<span id="L186" class="LineNr"> 186 </span><span class="Constant">$scan-next-byte:end</span>:
+<span id="L187" class="LineNr"> 187 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L188" class="LineNr"> 188 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L189" class="LineNr"> 189 </span>    89/copy                         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          5/r32/EBP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EBP to ESP</span>
+<span id="L190" class="LineNr"> 190 </span>    5d/pop-to-EBP
+<span id="L191" class="LineNr"> 191 </span>    c3/return
+<span id="L192" class="LineNr"> 192 </span>
+<span id="L193" class="LineNr"> 193 </span><span class="subxTest">test-scan-next-byte</span>:
+<span id="L194" class="LineNr"> 194 </span>    <span class="subxH1Comment"># - check that the first byte of the input is returned</span>
+<span id="L195" class="LineNr"> 195 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
+<span id="L196" class="LineNr"> 196 </span>    55/push-EBP
+<span id="L197" class="LineNr"> 197 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L198" class="LineNr"> 198 </span>    <span class="subxComment"># clear all streams</span>
+<span id="L199" class="LineNr"> 199 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L200" class="LineNr"> 200 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L201" class="LineNr"> 201 </span>    68/push  _test-stream/imm32
+<span id="L202" class="LineNr"> 202 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L203" class="LineNr"> 203 </span>    e8/call  clear-stream/disp32
+<span id="L204" class="LineNr"> 204 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L205" class="LineNr"> 205 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L206" class="LineNr"> 206 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L207" class="LineNr"> 207 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L208" class="LineNr"> 208 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L209" class="LineNr"> 209 </span>    05/add-to-EAX  4/imm32
+<span id="L210" class="LineNr"> 210 </span>    50/push-EAX
+<span id="L211" class="LineNr"> 211 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L212" class="LineNr"> 212 </span>    e8/call  clear-stream/disp32
+<span id="L213" class="LineNr"> 213 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L214" class="LineNr"> 214 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L215" class="LineNr"> 215 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
+<span id="L216" class="LineNr"> 216 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L217" class="LineNr"> 217 </span>    68/push  _test-error-stream/imm32
+<span id="L218" class="LineNr"> 218 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L219" class="LineNr"> 219 </span>    e8/call  clear-stream/disp32
+<span id="L220" class="LineNr"> 220 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L221" class="LineNr"> 221 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L222" class="LineNr"> 222 </span>    <span class="subxComment"># initialize '_test-stream' to &quot;abc&quot;</span>
+<span id="L223" class="LineNr"> 223 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;abc&quot;)</span>
+<span id="L224" class="LineNr"> 224 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L225" class="LineNr"> 225 </span>    68/push  <span class="Constant">&quot;abc&quot;</span>/imm32
+<span id="L226" class="LineNr"> 226 </span>    68/push  _test-stream/imm32
+<span id="L227" class="LineNr"> 227 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L228" class="LineNr"> 228 </span>    e8/call  write/disp32
+<span id="L229" class="LineNr"> 229 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L230" class="LineNr"> 230 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L231" class="LineNr"> 231 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
+<span id="L232" class="LineNr"> 232 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
+<span id="L233" class="LineNr"> 233 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
+<span id="L234" class="LineNr"> 234 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
+<span id="L235" class="LineNr"> 235 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
+<span id="L236" class="LineNr"> 236 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L237" class="LineNr"> 237 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
+<span id="L238" class="LineNr"> 238 </span>    51/push-ECX/ed
+<span id="L239" class="LineNr"> 239 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L240" class="LineNr"> 240 </span>    e8/call  tailor-exit-descriptor/disp32
+<span id="L241" class="LineNr"> 241 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L242" class="LineNr"> 242 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L243" class="LineNr"> 243 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
+<span id="L244" class="LineNr"> 244 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L245" class="LineNr"> 245 </span>    51/push-ECX/ed
+<span id="L246" class="LineNr"> 246 </span>    68/push  _test-error-stream/imm32
+<span id="L247" class="LineNr"> 247 </span>    68/push  _test-buffered-file/imm32
+<span id="L248" class="LineNr"> 248 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L249" class="LineNr"> 249 </span>    e8/call  scan-next-byte/disp32
+<span id="L250" class="LineNr"> 250 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
+<span id="L251" class="LineNr"> 251 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
+<span id="L252" class="LineNr"> 252 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
+<span id="L253" class="LineNr"> 253 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L254" class="LineNr"> 254 </span>    <span class="subxS2Comment"># . . restore ed</span>
+<span id="L255" class="LineNr"> 255 </span>    59/pop-to-ECX
+<span id="L256" class="LineNr"> 256 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
+<span id="L257" class="LineNr"> 257 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
+<span id="L258" class="LineNr"> 258 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L259" class="LineNr"> 259 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte: unexpected abort&quot;</span>/imm32
+<span id="L260" class="LineNr"> 260 </span>    68/push  0/imm32
+<span id="L261" class="LineNr"> 261 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
+<span id="L262" class="LineNr"> 262 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
+<span id="L263" class="LineNr"> 263 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L264" class="LineNr"> 264 </span>    e8/call  check-ints-equal/disp32
+<span id="L265" class="LineNr"> 265 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L266" class="LineNr"> 266 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L267" class="LineNr"> 267 </span>    <span class="subxComment"># return if abort</span>
+<span id="L268" class="LineNr"> 268 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
+<span id="L269" class="LineNr"> 269 </span>    75/jump-if-not-equal  $test-scan-next-byte:end/disp8
+<span id="L270" class="LineNr"> 270 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
+<span id="L271" class="LineNr"> 271 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L272" class="LineNr"> 272 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte&quot;</span>/imm32
+<span id="L273" class="LineNr"> 273 </span>    68/push  0x61/imm32/a
+<span id="L274" class="LineNr"> 274 </span>    50/push-EAX
+<span id="L275" class="LineNr"> 275 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L276" class="LineNr"> 276 </span>    e8/call  check-ints-equal/disp32
+<span id="L277" class="LineNr"> 277 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L278" class="LineNr"> 278 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L279" class="LineNr"> 279 </span><span class="Constant">$test-scan-next-byte:end</span>:
+<span id="L280" class="LineNr"> 280 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L281" class="LineNr"> 281 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
+<span id="L282" class="LineNr"> 282 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L283" class="LineNr"> 283 </span>    5d/pop-to-EBP
+<span id="L284" class="LineNr"> 284 </span>    c3/return
+<span id="L285" class="LineNr"> 285 </span>
+<span id="L286" class="LineNr"> 286 </span><span class="subxTest">test-scan-next-byte-skips-whitespace</span>:
+<span id="L287" class="LineNr"> 287 </span>    <span class="subxH1Comment"># - check that the first byte after whitespace is returned</span>
+<span id="L288" class="LineNr"> 288 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
+<span id="L289" class="LineNr"> 289 </span>    55/push-EBP
+<span id="L290" class="LineNr"> 290 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L291" class="LineNr"> 291 </span>    <span class="subxComment"># clear all streams</span>
+<span id="L292" class="LineNr"> 292 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L293" class="LineNr"> 293 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L294" class="LineNr"> 294 </span>    68/push  _test-stream/imm32
+<span id="L295" class="LineNr"> 295 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L296" class="LineNr"> 296 </span>    e8/call  clear-stream/disp32
+<span id="L297" class="LineNr"> 297 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L298" class="LineNr"> 298 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L299" class="LineNr"> 299 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L300" class="LineNr"> 300 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L301" class="LineNr"> 301 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L302" class="LineNr"> 302 </span>    05/add-to-EAX  4/imm32
+<span id="L303" class="LineNr"> 303 </span>    50/push-EAX
+<span id="L304" class="LineNr"> 304 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L305" class="LineNr"> 305 </span>    e8/call  clear-stream/disp32
+<span id="L306" class="LineNr"> 306 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L307" class="LineNr"> 307 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L308" class="LineNr"> 308 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
+<span id="L309" class="LineNr"> 309 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L310" class="LineNr"> 310 </span>    68/push  _test-error-stream/imm32
+<span id="L311" class="LineNr"> 311 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L312" class="LineNr"> 312 </span>    e8/call  clear-stream/disp32
+<span id="L313" class="LineNr"> 313 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L314" class="LineNr"> 314 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L315" class="LineNr"> 315 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading whitespace</span>
+<span id="L316" class="LineNr"> 316 </span>    <span class="subxS1Comment"># . write(_test-stream, text)</span>
+<span id="L317" class="LineNr"> 317 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L318" class="LineNr"> 318 </span>    68/push  <span class="Constant">&quot;  abc&quot;</span>/imm32
+<span id="L319" class="LineNr"> 319 </span>    68/push  _test-stream/imm32
+<span id="L320" class="LineNr"> 320 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L321" class="LineNr"> 321 </span>    e8/call  write/disp32
+<span id="L322" class="LineNr"> 322 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L323" class="LineNr"> 323 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L324" class="LineNr"> 324 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
+<span id="L325" class="LineNr"> 325 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
+<span id="L326" class="LineNr"> 326 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
+<span id="L327" class="LineNr"> 327 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
+<span id="L328" class="LineNr"> 328 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
+<span id="L329" class="LineNr"> 329 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L330" class="LineNr"> 330 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
+<span id="L331" class="LineNr"> 331 </span>    51/push-ECX/ed
+<span id="L332" class="LineNr"> 332 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L333" class="LineNr"> 333 </span>    e8/call  tailor-exit-descriptor/disp32
+<span id="L334" class="LineNr"> 334 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L335" class="LineNr"> 335 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L336" class="LineNr"> 336 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
+<span id="L337" class="LineNr"> 337 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L338" class="LineNr"> 338 </span>    51/push-ECX/ed
+<span id="L339" class="LineNr"> 339 </span>    68/push  _test-error-stream/imm32
+<span id="L340" class="LineNr"> 340 </span>    68/push  _test-buffered-file/imm32
+<span id="L341" class="LineNr"> 341 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L342" class="LineNr"> 342 </span>    e8/call  scan-next-byte/disp32
+<span id="L343" class="LineNr"> 343 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
+<span id="L344" class="LineNr"> 344 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
+<span id="L345" class="LineNr"> 345 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
+<span id="L346" class="LineNr"> 346 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L347" class="LineNr"> 347 </span>    <span class="subxS2Comment"># . . restore ed</span>
+<span id="L348" class="LineNr"> 348 </span>    59/pop-to-ECX
+<span id="L349" class="LineNr"> 349 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
+<span id="L350" class="LineNr"> 350 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
+<span id="L351" class="LineNr"> 351 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L352" class="LineNr"> 352 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace: unexpected abort&quot;</span>/imm32
+<span id="L353" class="LineNr"> 353 </span>    68/push  0/imm32
+<span id="L354" class="LineNr"> 354 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
+<span id="L355" class="LineNr"> 355 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
+<span id="L356" class="LineNr"> 356 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L357" class="LineNr"> 357 </span>    e8/call  check-ints-equal/disp32
+<span id="L358" class="LineNr"> 358 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L359" class="LineNr"> 359 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L360" class="LineNr"> 360 </span>    <span class="subxComment"># return if abort</span>
+<span id="L361" class="LineNr"> 361 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
+<span id="L362" class="LineNr"> 362 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-whitespace:end/disp8
+<span id="L363" class="LineNr"> 363 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
+<span id="L364" class="LineNr"> 364 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L365" class="LineNr"> 365 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace&quot;</span>/imm32
+<span id="L366" class="LineNr"> 366 </span>    68/push  0x61/imm32/a
+<span id="L367" class="LineNr"> 367 </span>    50/push-EAX
+<span id="L368" class="LineNr"> 368 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L369" class="LineNr"> 369 </span>    e8/call  check-ints-equal/disp32
+<span id="L370" class="LineNr"> 370 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L371" class="LineNr"> 371 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L372" class="LineNr"> 372 </span><span class="Constant">$test-scan-next-byte-skips-whitespace:end</span>:
+<span id="L373" class="LineNr"> 373 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L374" class="LineNr"> 374 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
+<span id="L375" class="LineNr"> 375 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L376" class="LineNr"> 376 </span>    5d/pop-to-EBP
+<span id="L377" class="LineNr"> 377 </span>    c3/return
+<span id="L378" class="LineNr"> 378 </span>
+<span id="L379" class="LineNr"> 379 </span><span class="subxTest">test-scan-next-byte-skips-comment</span>:
+<span id="L380" class="LineNr"> 380 </span>    <span class="subxH1Comment"># - check that the first byte after a comment (and newline) is returned</span>
+<span id="L381" class="LineNr"> 381 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
+<span id="L382" class="LineNr"> 382 </span>    55/push-EBP
+<span id="L383" class="LineNr"> 383 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L384" class="LineNr"> 384 </span>    <span class="subxComment"># clear all streams</span>
+<span id="L385" class="LineNr"> 385 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L386" class="LineNr"> 386 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L387" class="LineNr"> 387 </span>    68/push  _test-stream/imm32
+<span id="L388" class="LineNr"> 388 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L389" class="LineNr"> 389 </span>    e8/call  clear-stream/disp32
+<span id="L390" class="LineNr"> 390 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L391" class="LineNr"> 391 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L392" class="LineNr"> 392 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L393" class="LineNr"> 393 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L394" class="LineNr"> 394 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L395" class="LineNr"> 395 </span>    05/add-to-EAX  4/imm32
+<span id="L396" class="LineNr"> 396 </span>    50/push-EAX
+<span id="L397" class="LineNr"> 397 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L398" class="LineNr"> 398 </span>    e8/call  clear-stream/disp32
+<span id="L399" class="LineNr"> 399 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L400" class="LineNr"> 400 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L401" class="LineNr"> 401 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
+<span id="L402" class="LineNr"> 402 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L403" class="LineNr"> 403 </span>    68/push  _test-error-stream/imm32
+<span id="L404" class="LineNr"> 404 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L405" class="LineNr"> 405 </span>    e8/call  clear-stream/disp32
+<span id="L406" class="LineNr"> 406 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L407" class="LineNr"> 407 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L408" class="LineNr"> 408 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading comment</span>
+<span id="L409" class="LineNr"> 409 </span>    <span class="subxS1Comment"># . write(_test-stream, comment)</span>
+<span id="L410" class="LineNr"> 410 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L411" class="LineNr"> 411 </span>    68/push  <span class="Constant">&quot;#x&quot;</span>/imm32
+<span id="L412" class="LineNr"> 412 </span>    68/push  _test-stream/imm32
+<span id="L413" class="LineNr"> 413 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L414" class="LineNr"> 414 </span>    e8/call  write/disp32
+<span id="L415" class="LineNr"> 415 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L416" class="LineNr"> 416 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L417" class="LineNr"> 417 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
+<span id="L418" class="LineNr"> 418 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L419" class="LineNr"> 419 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
+<span id="L420" class="LineNr"> 420 </span>    68/push  _test-stream/imm32
+<span id="L421" class="LineNr"> 421 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L422" class="LineNr"> 422 </span>    e8/call  write/disp32
+<span id="L423" class="LineNr"> 423 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L424" class="LineNr"> 424 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L425" class="LineNr"> 425 </span>    <span class="subxS1Comment"># . write(_test-stream, real text)</span>
+<span id="L426" class="LineNr"> 426 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L427" class="LineNr"> 427 </span>    68/push  <span class="Constant">&quot;ab&quot;</span>/imm32
+<span id="L428" class="LineNr"> 428 </span>    68/push  _test-stream/imm32
+<span id="L429" class="LineNr"> 429 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L430" class="LineNr"> 430 </span>    e8/call  write/disp32
+<span id="L431" class="LineNr"> 431 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L432" class="LineNr"> 432 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L433" class="LineNr"> 433 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
+<span id="L434" class="LineNr"> 434 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
+<span id="L435" class="LineNr"> 435 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
+<span id="L436" class="LineNr"> 436 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
+<span id="L437" class="LineNr"> 437 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
+<span id="L438" class="LineNr"> 438 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L439" class="LineNr"> 439 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
+<span id="L440" class="LineNr"> 440 </span>    51/push-ECX/ed
+<span id="L441" class="LineNr"> 441 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L442" class="LineNr"> 442 </span>    e8/call  tailor-exit-descriptor/disp32
+<span id="L443" class="LineNr"> 443 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L444" class="LineNr"> 444 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L445" class="LineNr"> 445 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
+<span id="L446" class="LineNr"> 446 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L447" class="LineNr"> 447 </span>    51/push-ECX/ed
+<span id="L448" class="LineNr"> 448 </span>    68/push  _test-error-stream/imm32
+<span id="L449" class="LineNr"> 449 </span>    68/push  _test-buffered-file/imm32
+<span id="L450" class="LineNr"> 450 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L451" class="LineNr"> 451 </span>    e8/call  scan-next-byte/disp32
+<span id="L452" class="LineNr"> 452 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
+<span id="L453" class="LineNr"> 453 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
+<span id="L454" class="LineNr"> 454 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
+<span id="L455" class="LineNr"> 455 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L456" class="LineNr"> 456 </span>    <span class="subxS2Comment"># . . restore ed</span>
+<span id="L457" class="LineNr"> 457 </span>    59/pop-to-ECX
+<span id="L458" class="LineNr"> 458 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
+<span id="L459" class="LineNr"> 459 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
+<span id="L460" class="LineNr"> 460 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L461" class="LineNr"> 461 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment: unexpected abort&quot;</span>/imm32
+<span id="L462" class="LineNr"> 462 </span>    68/push  0/imm32
+<span id="L463" class="LineNr"> 463 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
+<span id="L464" class="LineNr"> 464 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
+<span id="L465" class="LineNr"> 465 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L466" class="LineNr"> 466 </span>    e8/call  check-ints-equal/disp32
+<span id="L467" class="LineNr"> 467 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L468" class="LineNr"> 468 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L469" class="LineNr"> 469 </span>    <span class="subxComment"># return if abort</span>
+<span id="L470" class="LineNr"> 470 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
+<span id="L471" class="LineNr"> 471 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-comment:end/disp8
+<span id="L472" class="LineNr"> 472 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
+<span id="L473" class="LineNr"> 473 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L474" class="LineNr"> 474 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment&quot;</span>/imm32
+<span id="L475" class="LineNr"> 475 </span>    68/push  0x61/imm32/a
+<span id="L476" class="LineNr"> 476 </span>    50/push-EAX
+<span id="L477" class="LineNr"> 477 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L478" class="LineNr"> 478 </span>    e8/call  check-ints-equal/disp32
+<span id="L479" class="LineNr"> 479 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L480" class="LineNr"> 480 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L481" class="LineNr"> 481 </span><span class="Constant">$test-scan-next-byte-skips-comment:end</span>:
+<span id="L482" class="LineNr"> 482 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L483" class="LineNr"> 483 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
+<span id="L484" class="LineNr"> 484 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L485" class="LineNr"> 485 </span>    5d/pop-to-EBP
+<span id="L486" class="LineNr"> 486 </span>    c3/return
+<span id="L487" class="LineNr"> 487 </span>
+<span id="L488" class="LineNr"> 488 </span><span class="subxTest">test-scan-next-byte-skips-comment-and-whitespace</span>:
+<span id="L489" class="LineNr"> 489 </span>    <span class="subxH1Comment"># - check that the first byte after a comment and any further whitespace is returned</span>
+<span id="L490" class="LineNr"> 490 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
+<span id="L491" class="LineNr"> 491 </span>    55/push-EBP
+<span id="L492" class="LineNr"> 492 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L493" class="LineNr"> 493 </span>    <span class="subxComment"># clear all streams</span>
+<span id="L494" class="LineNr"> 494 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L495" class="LineNr"> 495 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L496" class="LineNr"> 496 </span>    68/push  _test-stream/imm32
+<span id="L497" class="LineNr"> 497 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L498" class="LineNr"> 498 </span>    e8/call  clear-stream/disp32
+<span id="L499" class="LineNr"> 499 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L500" class="LineNr"> 500 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L501" class="LineNr"> 501 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L502" class="LineNr"> 502 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L503" class="LineNr"> 503 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L504" class="LineNr"> 504 </span>    05/add-to-EAX  4/imm32
+<span id="L505" class="LineNr"> 505 </span>    50/push-EAX
+<span id="L506" class="LineNr"> 506 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L507" class="LineNr"> 507 </span>    e8/call  clear-stream/disp32
+<span id="L508" class="LineNr"> 508 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L509" class="LineNr"> 509 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L510" class="LineNr"> 510 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
+<span id="L511" class="LineNr"> 511 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L512" class="LineNr"> 512 </span>    68/push  _test-error-stream/imm32
+<span id="L513" class="LineNr"> 513 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L514" class="LineNr"> 514 </span>    e8/call  clear-stream/disp32
+<span id="L515" class="LineNr"> 515 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L516" class="LineNr"> 516 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L517" class="LineNr"> 517 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading comment and more whitespace after newline</span>
+<span id="L518" class="LineNr"> 518 </span>    <span class="subxS1Comment"># . write(_test-stream, comment)</span>
+<span id="L519" class="LineNr"> 519 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L520" class="LineNr"> 520 </span>    68/push  <span class="Constant">&quot;#x&quot;</span>/imm32
+<span id="L521" class="LineNr"> 521 </span>    68/push  _test-stream/imm32
+<span id="L522" class="LineNr"> 522 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L523" class="LineNr"> 523 </span>    e8/call  write/disp32
+<span id="L524" class="LineNr"> 524 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L525" class="LineNr"> 525 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L526" class="LineNr"> 526 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
+<span id="L527" class="LineNr"> 527 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L528" class="LineNr"> 528 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
+<span id="L529" class="LineNr"> 529 </span>    68/push  _test-stream/imm32
+<span id="L530" class="LineNr"> 530 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L531" class="LineNr"> 531 </span>    e8/call  write/disp32
+<span id="L532" class="LineNr"> 532 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L533" class="LineNr"> 533 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L534" class="LineNr"> 534 </span>    <span class="subxS1Comment"># . write(_test-stream, real text)</span>
+<span id="L535" class="LineNr"> 535 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L536" class="LineNr"> 536 </span>    68/push  <span class="Constant">&quot; ab&quot;</span>/imm32
+<span id="L537" class="LineNr"> 537 </span>    68/push  _test-stream/imm32
+<span id="L538" class="LineNr"> 538 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L539" class="LineNr"> 539 </span>    e8/call  write/disp32
+<span id="L540" class="LineNr"> 540 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L541" class="LineNr"> 541 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L542" class="LineNr"> 542 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
+<span id="L543" class="LineNr"> 543 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
+<span id="L544" class="LineNr"> 544 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
+<span id="L545" class="LineNr"> 545 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
+<span id="L546" class="LineNr"> 546 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
+<span id="L547" class="LineNr"> 547 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L548" class="LineNr"> 548 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
+<span id="L549" class="LineNr"> 549 </span>    51/push-ECX/ed
+<span id="L550" class="LineNr"> 550 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L551" class="LineNr"> 551 </span>    e8/call  tailor-exit-descriptor/disp32
+<span id="L552" class="LineNr"> 552 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L553" class="LineNr"> 553 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L554" class="LineNr"> 554 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
+<span id="L555" class="LineNr"> 555 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L556" class="LineNr"> 556 </span>    51/push-ECX/ed
+<span id="L557" class="LineNr"> 557 </span>    68/push  _test-error-stream/imm32
+<span id="L558" class="LineNr"> 558 </span>    68/push  _test-buffered-file/imm32
+<span id="L559" class="LineNr"> 559 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L560" class="LineNr"> 560 </span>    e8/call  scan-next-byte/disp32
+<span id="L561" class="LineNr"> 561 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
+<span id="L562" class="LineNr"> 562 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
+<span id="L563" class="LineNr"> 563 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
+<span id="L564" class="LineNr"> 564 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L565" class="LineNr"> 565 </span>    <span class="subxS2Comment"># . . restore ed</span>
+<span id="L566" class="LineNr"> 566 </span>    59/pop-to-ECX
+<span id="L567" class="LineNr"> 567 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
+<span id="L568" class="LineNr"> 568 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
+<span id="L569" class="LineNr"> 569 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L570" class="LineNr"> 570 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment-and-whitespace: unexpected abort&quot;</span>/imm32
+<span id="L571" class="LineNr"> 571 </span>    68/push  0/imm32
+<span id="L572" class="LineNr"> 572 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
+<span id="L573" class="LineNr"> 573 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
+<span id="L574" class="LineNr"> 574 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L575" class="LineNr"> 575 </span>    e8/call  check-ints-equal/disp32
+<span id="L576" class="LineNr"> 576 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L577" class="LineNr"> 577 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L578" class="LineNr"> 578 </span>    <span class="subxComment"># return if abort</span>
+<span id="L579" class="LineNr"> 579 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
+<span id="L580" class="LineNr"> 580 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-comment-and-whitespace:end/disp8
+<span id="L581" class="LineNr"> 581 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
+<span id="L582" class="LineNr"> 582 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L583" class="LineNr"> 583 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-comment-and-whitespace&quot;</span>/imm32
+<span id="L584" class="LineNr"> 584 </span>    68/push  0x61/imm32/a
+<span id="L585" class="LineNr"> 585 </span>    50/push-EAX
+<span id="L586" class="LineNr"> 586 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L587" class="LineNr"> 587 </span>    e8/call  check-ints-equal/disp32
+<span id="L588" class="LineNr"> 588 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L589" class="LineNr"> 589 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L590" class="LineNr"> 590 </span><span class="Constant">$test-scan-next-byte-skips-comment-and-whitespace:end</span>:
+<span id="L591" class="LineNr"> 591 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L592" class="LineNr"> 592 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
+<span id="L593" class="LineNr"> 593 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L594" class="LineNr"> 594 </span>    5d/pop-to-EBP
+<span id="L595" class="LineNr"> 595 </span>    c3/return
+<span id="L596" class="LineNr"> 596 </span>
+<span id="L597" class="LineNr"> 597 </span><span class="subxTest">test-scan-next-byte-skips-whitespace-and-comment</span>:
+<span id="L598" class="LineNr"> 598 </span>    <span class="subxH1Comment"># - check that the first byte after any whitespace and comments is returned</span>
+<span id="L599" class="LineNr"> 599 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
+<span id="L600" class="LineNr"> 600 </span>    55/push-EBP
+<span id="L601" class="LineNr"> 601 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L602" class="LineNr"> 602 </span>    <span class="subxComment"># clear all streams</span>
+<span id="L603" class="LineNr"> 603 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L604" class="LineNr"> 604 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L605" class="LineNr"> 605 </span>    68/push  _test-stream/imm32
+<span id="L606" class="LineNr"> 606 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L607" class="LineNr"> 607 </span>    e8/call  clear-stream/disp32
+<span id="L608" class="LineNr"> 608 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L609" class="LineNr"> 609 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L610" class="LineNr"> 610 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L611" class="LineNr"> 611 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L612" class="LineNr"> 612 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L613" class="LineNr"> 613 </span>    05/add-to-EAX  4/imm32
+<span id="L614" class="LineNr"> 614 </span>    50/push-EAX
+<span id="L615" class="LineNr"> 615 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L616" class="LineNr"> 616 </span>    e8/call  clear-stream/disp32
+<span id="L617" class="LineNr"> 617 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L618" class="LineNr"> 618 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L619" class="LineNr"> 619 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
+<span id="L620" class="LineNr"> 620 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L621" class="LineNr"> 621 </span>    68/push  _test-error-stream/imm32
+<span id="L622" class="LineNr"> 622 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L623" class="LineNr"> 623 </span>    e8/call  clear-stream/disp32
+<span id="L624" class="LineNr"> 624 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L625" class="LineNr"> 625 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L626" class="LineNr"> 626 </span>    <span class="subxComment"># initialize '_test-stream' to input with leading whitespace and comment</span>
+<span id="L627" class="LineNr"> 627 </span>    <span class="subxS1Comment"># . write(_test-stream, comment)</span>
+<span id="L628" class="LineNr"> 628 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L629" class="LineNr"> 629 </span>    68/push  <span class="Constant">&quot; #x&quot;</span>/imm32
+<span id="L630" class="LineNr"> 630 </span>    68/push  _test-stream/imm32
+<span id="L631" class="LineNr"> 631 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L632" class="LineNr"> 632 </span>    e8/call  write/disp32
+<span id="L633" class="LineNr"> 633 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L634" class="LineNr"> 634 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L635" class="LineNr"> 635 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
+<span id="L636" class="LineNr"> 636 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L637" class="LineNr"> 637 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
+<span id="L638" class="LineNr"> 638 </span>    68/push  _test-stream/imm32
+<span id="L639" class="LineNr"> 639 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L640" class="LineNr"> 640 </span>    e8/call  write/disp32
+<span id="L641" class="LineNr"> 641 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L642" class="LineNr"> 642 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L643" class="LineNr"> 643 </span>    <span class="subxS1Comment"># . write(_test-stream, real text)</span>
+<span id="L644" class="LineNr"> 644 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L645" class="LineNr"> 645 </span>    68/push  <span class="Constant">&quot;ab&quot;</span>/imm32
+<span id="L646" class="LineNr"> 646 </span>    68/push  _test-stream/imm32
+<span id="L647" class="LineNr"> 647 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L648" class="LineNr"> 648 </span>    e8/call  write/disp32
+<span id="L649" class="LineNr"> 649 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L650" class="LineNr"> 650 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L651" class="LineNr"> 651 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
+<span id="L652" class="LineNr"> 652 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
+<span id="L653" class="LineNr"> 653 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
+<span id="L654" class="LineNr"> 654 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
+<span id="L655" class="LineNr"> 655 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
+<span id="L656" class="LineNr"> 656 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L657" class="LineNr"> 657 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
+<span id="L658" class="LineNr"> 658 </span>    51/push-ECX/ed
+<span id="L659" class="LineNr"> 659 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L660" class="LineNr"> 660 </span>    e8/call  tailor-exit-descriptor/disp32
+<span id="L661" class="LineNr"> 661 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L662" class="LineNr"> 662 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L663" class="LineNr"> 663 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
+<span id="L664" class="LineNr"> 664 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L665" class="LineNr"> 665 </span>    51/push-ECX/ed
+<span id="L666" class="LineNr"> 666 </span>    68/push  _test-error-stream/imm32
+<span id="L667" class="LineNr"> 667 </span>    68/push  _test-buffered-file/imm32
+<span id="L668" class="LineNr"> 668 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L669" class="LineNr"> 669 </span>    e8/call  scan-next-byte/disp32
+<span id="L670" class="LineNr"> 670 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
+<span id="L671" class="LineNr"> 671 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
+<span id="L672" class="LineNr"> 672 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
+<span id="L673" class="LineNr"> 673 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L674" class="LineNr"> 674 </span>    <span class="subxS2Comment"># . . restore ed</span>
+<span id="L675" class="LineNr"> 675 </span>    59/pop-to-ECX
+<span id="L676" class="LineNr"> 676 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
+<span id="L677" class="LineNr"> 677 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
+<span id="L678" class="LineNr"> 678 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L679" class="LineNr"> 679 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace-and-comment: unexpected abort&quot;</span>/imm32
+<span id="L680" class="LineNr"> 680 </span>    68/push  0/imm32
+<span id="L681" class="LineNr"> 681 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
+<span id="L682" class="LineNr"> 682 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
+<span id="L683" class="LineNr"> 683 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L684" class="LineNr"> 684 </span>    e8/call  check-ints-equal/disp32
+<span id="L685" class="LineNr"> 685 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L686" class="LineNr"> 686 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L687" class="LineNr"> 687 </span>    <span class="subxComment"># return if abort</span>
+<span id="L688" class="LineNr"> 688 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
+<span id="L689" class="LineNr"> 689 </span>    75/jump-if-not-equal  $test-scan-next-byte-skips-whitespace-and-comment:end/disp8
+<span id="L690" class="LineNr"> 690 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
+<span id="L691" class="LineNr"> 691 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L692" class="LineNr"> 692 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-skips-whitespace-and-comment&quot;</span>/imm32
+<span id="L693" class="LineNr"> 693 </span>    68/push  0x61/imm32/a
+<span id="L694" class="LineNr"> 694 </span>    50/push-EAX
+<span id="L695" class="LineNr"> 695 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L696" class="LineNr"> 696 </span>    e8/call  check-ints-equal/disp32
+<span id="L697" class="LineNr"> 697 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L698" class="LineNr"> 698 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L699" class="LineNr"> 699 </span><span class="Constant">$test-scan-next-byte-skips-whitespace-and-comment:end</span>:
+<span id="L700" class="LineNr"> 700 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L701" class="LineNr"> 701 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
+<span id="L702" class="LineNr"> 702 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L703" class="LineNr"> 703 </span>    5d/pop-to-EBP
+<span id="L704" class="LineNr"> 704 </span>    c3/return
+<span id="L705" class="LineNr"> 705 </span>
+<span id="L706" class="LineNr"> 706 </span><span class="subxTest">test-scan-next-byte-reads-final-byte</span>:
+<span id="L707" class="LineNr"> 707 </span>    <span class="subxH1Comment"># - check that the final byte in input is returned</span>
+<span id="L708" class="LineNr"> 708 </span>    <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span>
+<span id="L709" class="LineNr"> 709 </span>    55/push-EBP
+<span id="L710" class="LineNr"> 710 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L711" class="LineNr"> 711 </span>    <span class="subxComment"># clear all streams</span>
+<span id="L712" class="LineNr"> 712 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L713" class="LineNr"> 713 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L714" class="LineNr"> 714 </span>    68/push  _test-stream/imm32
+<span id="L715" class="LineNr"> 715 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L716" class="LineNr"> 716 </span>    e8/call  clear-stream/disp32
+<span id="L717" class="LineNr"> 717 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L718" class="LineNr"> 718 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L719" class="LineNr"> 719 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L720" class="LineNr"> 720 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L721" class="LineNr"> 721 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L722" class="LineNr"> 722 </span>    05/add-to-EAX  4/imm32
+<span id="L723" class="LineNr"> 723 </span>    50/push-EAX
+<span id="L724" class="LineNr"> 724 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L725" class="LineNr"> 725 </span>    e8/call  clear-stream/disp32
+<span id="L726" class="LineNr"> 726 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L727" class="LineNr"> 727 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L728" class="LineNr"> 728 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
+<span id="L729" class="LineNr"> 729 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L730" class="LineNr"> 730 </span>    68/push  _test-error-stream/imm32
+<span id="L731" class="LineNr"> 731 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L732" class="LineNr"> 732 </span>    e8/call  clear-stream/disp32
+<span id="L733" class="LineNr"> 733 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L734" class="LineNr"> 734 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L735" class="LineNr"> 735 </span>    <span class="subxComment"># initialize '_test-stream' to input with single character</span>
+<span id="L736" class="LineNr"> 736 </span>    <span class="subxS1Comment"># . write(_test-stream, character)</span>
+<span id="L737" class="LineNr"> 737 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L738" class="LineNr"> 738 </span>    68/push  <span class="Constant">&quot;a&quot;</span>/imm32
+<span id="L739" class="LineNr"> 739 </span>    68/push  _test-stream/imm32
+<span id="L740" class="LineNr"> 740 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L741" class="LineNr"> 741 </span>    e8/call  write/disp32
+<span id="L742" class="LineNr"> 742 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L743" class="LineNr"> 743 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L744" class="LineNr"> 744 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span>
+<span id="L745" class="LineNr"> 745 </span>    <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span>
+<span id="L746" class="LineNr"> 746 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># subtract from ESP</span>
+<span id="L747" class="LineNr"> 747 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    4/base/ESP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to ECX</span>
+<span id="L748" class="LineNr"> 748 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span>
+<span id="L749" class="LineNr"> 749 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L750" class="LineNr"> 750 </span>    68/push  0xc/imm32/nbytes-of-args-for-scan-next-byte
+<span id="L751" class="LineNr"> 751 </span>    51/push-ECX/ed
+<span id="L752" class="LineNr"> 752 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L753" class="LineNr"> 753 </span>    e8/call  tailor-exit-descriptor/disp32
+<span id="L754" class="LineNr"> 754 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L755" class="LineNr"> 755 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L756" class="LineNr"> 756 </span>    <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-stream, ed)</span>
+<span id="L757" class="LineNr"> 757 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L758" class="LineNr"> 758 </span>    51/push-ECX/ed
+<span id="L759" class="LineNr"> 759 </span>    68/push  _test-error-stream/imm32
+<span id="L760" class="LineNr"> 760 </span>    68/push  _test-buffered-file/imm32
+<span id="L761" class="LineNr"> 761 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L762" class="LineNr"> 762 </span>    e8/call  scan-next-byte/disp32
+<span id="L763" class="LineNr"> 763 </span>    <span class="subxComment"># registers except ESP may be clobbered at this point</span>
+<span id="L764" class="LineNr"> 764 </span>    <span class="subxComment"># pop args to scan-next-bytes</span>
+<span id="L765" class="LineNr"> 765 </span>    <span class="subxS2Comment"># . . discard first 2 args</span>
+<span id="L766" class="LineNr"> 766 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L767" class="LineNr"> 767 </span>    <span class="subxS2Comment"># . . restore ed</span>
+<span id="L768" class="LineNr"> 768 </span>    59/pop-to-ECX
+<span id="L769" class="LineNr"> 769 </span>    <span class="subxComment"># check that scan-next-byte didn't abort</span>
+<span id="L770" class="LineNr"> 770 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 0, msg)</span>
+<span id="L771" class="LineNr"> 771 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L772" class="LineNr"> 772 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-reads-final-byte: unexpected abort&quot;</span>/imm32
+<span id="L773" class="LineNr"> 773 </span>    68/push  0/imm32
+<span id="L774" class="LineNr"> 774 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
+<span id="L775" class="LineNr"> 775 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(ECX+4)</span>
+<span id="L776" class="LineNr"> 776 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L777" class="LineNr"> 777 </span>    e8/call  check-ints-equal/disp32
+<span id="L778" class="LineNr"> 778 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L779" class="LineNr"> 779 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L780" class="LineNr"> 780 </span>    <span class="subxComment"># return if abort</span>
+<span id="L781" class="LineNr"> 781 </span>    81          7/subop/compare     1/mod/*+disp8   1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          4/disp8         0/imm32           <span class="subxComment"># compare *(ECX+4)</span>
+<span id="L782" class="LineNr"> 782 </span>    75/jump-if-not-equal  $test-scan-next-byte-reads-final-byte:end/disp8
+<span id="L783" class="LineNr"> 783 </span>    <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span>
+<span id="L784" class="LineNr"> 784 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L785" class="LineNr"> 785 </span>    68/push  <span class="Constant">&quot;F - test-scan-next-byte-reads-final-byte&quot;</span>/imm32
+<span id="L786" class="LineNr"> 786 </span>    68/push  0x61/imm32/a
+<span id="L787" class="LineNr"> 787 </span>    50/push-EAX
+<span id="L788" class="LineNr"> 788 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L789" class="LineNr"> 789 </span>    e8/call  check-ints-equal/disp32
+<span id="L790" class="LineNr"> 790 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L791" class="LineNr"> 791 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L792" class="LineNr"> 792 </span><span class="Constant">$test-scan-next-byte-reads-final-byte:end</span>:
+<span id="L793" class="LineNr"> 793 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L794" class="LineNr"> 794 </span>    <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span>
+<span id="L795" class="LineNr"> 795 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L796" class="LineNr"> 796 </span>    5d/pop-to-EBP
+<span id="L797" class="LineNr"> 797 </span>    c3/return
+<span id="L798" class="LineNr"> 798 </span>
+<span id="L799" class="LineNr"> 799 </span><span class="subxFunction">is-hex-lowercase-byte?</span>:  <span class="subxComment"># c : byte -&gt; bool/EAX</span>
+<span id="L800" class="LineNr"> 800 </span>    <span class="subxS1Comment"># . prolog</span>
+<span id="L801" class="LineNr"> 801 </span>    55/push-EBP
+<span id="L802" class="LineNr"> 802 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L803" class="LineNr"> 803 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L804" class="LineNr"> 804 </span>    51/push-ECX
+<span id="L805" class="LineNr"> 805 </span>    <span class="subxComment"># ECX = c</span>
+<span id="L806" class="LineNr"> 806 </span>    8b/copy                         1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>          1/r32/ECX   8/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># copy *(EBP+8) to ECX</span>
+<span id="L807" class="LineNr"> 807 </span>    <span class="subxComment"># return false if c &lt; '0'</span>
+<span id="L808" class="LineNr"> 808 </span>    b8/copy-to-EAX  0/imm32/false
+<span id="L809" class="LineNr"> 809 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x30/imm32        <span class="subxComment"># compare ECX</span>
+<span id="L810" class="LineNr"> 810 </span>    7c/jump-if-lesser  $is-hex-lowercase-byte?:end/disp8
+<span id="L811" class="LineNr"> 811 </span>    <span class="subxComment"># return false if c &gt; 'f'</span>
+<span id="L812" class="LineNr"> 812 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x66/imm32        <span class="subxComment"># compare ECX</span>
+<span id="L813" class="LineNr"> 813 </span>    7f/jump-if-greater  $is-hex-lowercase-byte?:end/disp8
+<span id="L814" class="LineNr"> 814 </span>    <span class="subxComment"># return true if c &lt;= '9'</span>
+<span id="L815" class="LineNr"> 815 </span>    b8/copy-to-EAX  1/imm32/true
+<span id="L816" class="LineNr"> 816 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x39/imm32        <span class="subxComment"># compare ECX</span>
+<span id="L817" class="LineNr"> 817 </span>    7e/jump-if-lesser-or-equal  $is-hex-lowercase-byte?:end/disp8
+<span id="L818" class="LineNr"> 818 </span>    <span class="subxComment"># return true if c &gt;= 'a'</span>
+<span id="L819" class="LineNr"> 819 </span>    81          7/subop/compare     3/mod/direct    1/rm32/ECX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0x61/imm32        <span class="subxComment"># compare ECX</span>
+<span id="L820" class="LineNr"> 820 </span>    7d/jump-if-greater-or-equal  $is-hex-lowercase-byte?:end/disp8
+<span id="L821" class="LineNr"> 821 </span>    <span class="subxComment"># otherwise return false</span>
+<span id="L822" class="LineNr"> 822 </span>    b8/copy-to-EAX  0/imm32/false
+<span id="L823" class="LineNr"> 823 </span><span class="Constant">$is-hex-lowercase-byte?:end</span>:
+<span id="L824" class="LineNr"> 824 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L825" class="LineNr"> 825 </span>    59/pop-to-ECX
+<span id="L826" class="LineNr"> 826 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L827" class="LineNr"> 827 </span>    89/copy                         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          5/r32/EBP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EBP to ESP</span>
+<span id="L828" class="LineNr"> 828 </span>    5d/pop-to-EBP
+<span id="L829" class="LineNr"> 829 </span>    c3/return
+<span id="L830" class="LineNr"> 830 </span>
+<span id="L831" class="LineNr"> 831 </span><span class="subxTest">test-hex-below-0</span>:
+<span id="L832" class="LineNr"> 832 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x2f)</span>
+<span id="L833" class="LineNr"> 833 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L834" class="LineNr"> 834 </span>    68/push  0x2f/imm32
+<span id="L835" class="LineNr"> 835 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L836" class="LineNr"> 836 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L837" class="LineNr"> 837 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L838" class="LineNr"> 838 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L839" class="LineNr"> 839 </span>    <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span>
+<span id="L840" class="LineNr"> 840 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L841" class="LineNr"> 841 </span>    68/push  <span class="Constant">&quot;F - test-hex-below-0&quot;</span>/imm32
+<span id="L842" class="LineNr"> 842 </span>    68/push  0/imm32/false
+<span id="L843" class="LineNr"> 843 </span>    50/push-EAX
+<span id="L844" class="LineNr"> 844 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L845" class="LineNr"> 845 </span>    e8/call  check-ints-equal/disp32
+<span id="L846" class="LineNr"> 846 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L847" class="LineNr"> 847 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L848" class="LineNr"> 848 </span>    c3/return
+<span id="L849" class="LineNr"> 849 </span>
+<span id="L850" class="LineNr"> 850 </span><span class="subxTest">test-hex-0-to-9</span>:
+<span id="L851" class="LineNr"> 851 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x30)</span>
+<span id="L852" class="LineNr"> 852 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L853" class="LineNr"> 853 </span>    68/push  0x30/imm32
+<span id="L854" class="LineNr"> 854 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L855" class="LineNr"> 855 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L856" class="LineNr"> 856 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L857" class="LineNr"> 857 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L858" class="LineNr"> 858 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
+<span id="L859" class="LineNr"> 859 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L860" class="LineNr"> 860 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-0&quot;</span>/imm32
+<span id="L861" class="LineNr"> 861 </span>    68/push  1/imm32/true
+<span id="L862" class="LineNr"> 862 </span>    50/push-EAX
+<span id="L863" class="LineNr"> 863 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L864" class="LineNr"> 864 </span>    e8/call  check-ints-equal/disp32
+<span id="L865" class="LineNr"> 865 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L866" class="LineNr"> 866 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L867" class="LineNr"> 867 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x39)</span>
+<span id="L868" class="LineNr"> 868 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L869" class="LineNr"> 869 </span>    68/push  0x39/imm32
+<span id="L870" class="LineNr"> 870 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L871" class="LineNr"> 871 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L872" class="LineNr"> 872 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L873" class="LineNr"> 873 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L874" class="LineNr"> 874 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
+<span id="L875" class="LineNr"> 875 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L876" class="LineNr"> 876 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-9&quot;</span>/imm32
+<span id="L877" class="LineNr"> 877 </span>    68/push  1/imm32/true
+<span id="L878" class="LineNr"> 878 </span>    50/push-EAX
+<span id="L879" class="LineNr"> 879 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L880" class="LineNr"> 880 </span>    e8/call  check-ints-equal/disp32
+<span id="L881" class="LineNr"> 881 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L882" class="LineNr"> 882 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L883" class="LineNr"> 883 </span>    c3/return
+<span id="L884" class="LineNr"> 884 </span>
+<span id="L885" class="LineNr"> 885 </span><span class="subxTest">test-hex-above-9-to-a</span>:
+<span id="L886" class="LineNr"> 886 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x3a)</span>
+<span id="L887" class="LineNr"> 887 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L888" class="LineNr"> 888 </span>    68/push  0x3a/imm32
+<span id="L889" class="LineNr"> 889 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L890" class="LineNr"> 890 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L891" class="LineNr"> 891 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L892" class="LineNr"> 892 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L893" class="LineNr"> 893 </span>    <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span>
+<span id="L894" class="LineNr"> 894 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L895" class="LineNr"> 895 </span>    68/push  <span class="Constant">&quot;F - test-hex-above-9-to-a&quot;</span>/imm32
+<span id="L896" class="LineNr"> 896 </span>    68/push  0/imm32/false
+<span id="L897" class="LineNr"> 897 </span>    50/push-EAX
+<span id="L898" class="LineNr"> 898 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L899" class="LineNr"> 899 </span>    e8/call  check-ints-equal/disp32
+<span id="L900" class="LineNr"> 900 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L901" class="LineNr"> 901 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L902" class="LineNr"> 902 </span>    c3/return
+<span id="L903" class="LineNr"> 903 </span>
+<span id="L904" class="LineNr"> 904 </span><span class="subxTest">test-hex-a-to-f</span>:
+<span id="L905" class="LineNr"> 905 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x61)</span>
+<span id="L906" class="LineNr"> 906 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L907" class="LineNr"> 907 </span>    68/push  0x61/imm32
+<span id="L908" class="LineNr"> 908 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L909" class="LineNr"> 909 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L910" class="LineNr"> 910 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L911" class="LineNr"> 911 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L912" class="LineNr"> 912 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
+<span id="L913" class="LineNr"> 913 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L914" class="LineNr"> 914 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-a&quot;</span>/imm32
+<span id="L915" class="LineNr"> 915 </span>    68/push  1/imm32/true
+<span id="L916" class="LineNr"> 916 </span>    50/push-EAX
+<span id="L917" class="LineNr"> 917 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L918" class="LineNr"> 918 </span>    e8/call  check-ints-equal/disp32
+<span id="L919" class="LineNr"> 919 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L920" class="LineNr"> 920 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L921" class="LineNr"> 921 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x66)</span>
+<span id="L922" class="LineNr"> 922 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L923" class="LineNr"> 923 </span>    68/push  0x66/imm32
+<span id="L924" class="LineNr"> 924 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L925" class="LineNr"> 925 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L926" class="LineNr"> 926 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L927" class="LineNr"> 927 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L928" class="LineNr"> 928 </span>    <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span>
+<span id="L929" class="LineNr"> 929 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L930" class="LineNr"> 930 </span>    68/push  <span class="Constant">&quot;F - test-hex-at-f&quot;</span>/imm32
+<span id="L931" class="LineNr"> 931 </span>    68/push  1/imm32/true
+<span id="L932" class="LineNr"> 932 </span>    50/push-EAX
+<span id="L933" class="LineNr"> 933 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L934" class="LineNr"> 934 </span>    e8/call  check-ints-equal/disp32
+<span id="L935" class="LineNr"> 935 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L936" class="LineNr"> 936 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L937" class="LineNr"> 937 </span>    c3/return
+<span id="L938" class="LineNr"> 938 </span>
+<span id="L939" class="LineNr"> 939 </span><span class="subxTest">test-hex-above-f</span>:
+<span id="L940" class="LineNr"> 940 </span>    <span class="subxComment"># is-hex-lowercase-byte?(0x67)</span>
+<span id="L941" class="LineNr"> 941 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L942" class="LineNr"> 942 </span>    68/push  0x67/imm32
+<span id="L943" class="LineNr"> 943 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L944" class="LineNr"> 944 </span>    e8/call  is-hex-lowercase-byte?/disp32
+<span id="L945" class="LineNr"> 945 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L946" class="LineNr"> 946 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L947" class="LineNr"> 947 </span>    <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span>
+<span id="L948" class="LineNr"> 948 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L949" class="LineNr"> 949 </span>    68/push  <span class="Constant">&quot;F - test-hex-above-f&quot;</span>/imm32
+<span id="L950" class="LineNr"> 950 </span>    68/push  0/imm32/false
+<span id="L951" class="LineNr"> 951 </span>    50/push-EAX
+<span id="L952" class="LineNr"> 952 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L953" class="LineNr"> 953 </span>    e8/call  check-ints-equal/disp32
+<span id="L954" class="LineNr"> 954 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L955" class="LineNr"> 955 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L956" class="LineNr"> 956 </span>    c3/return
+<span id="L957" class="LineNr"> 957 </span>
+<span id="L958" class="LineNr"> 958 </span><span class="subxFunction">skip-until-newline</span>:  <span class="subxComment"># in : (address buffered-file) -&gt; &lt;void&gt;</span>
+<span id="L959" class="LineNr"> 959 </span>    <span class="subxComment"># pseudocode:</span>
+<span id="L960" class="LineNr"> 960 </span>    <span class="subxComment">#   push EAX</span>
+<span id="L961" class="LineNr"> 961 </span>    <span class="subxComment">#   repeatedly:</span>
+<span id="L962" class="LineNr"> 962 </span>    <span class="subxComment">#     EAX = read-byte(in)</span>
+<span id="L963" class="LineNr"> 963 </span>    <span class="subxComment">#     if EAX == 0xffffffff break</span>
+<span id="L964" class="LineNr"> 964 </span>    <span class="subxComment">#     if EAX == 0x0a break</span>
+<span id="L965" class="LineNr"> 965 </span>    <span class="subxComment">#   pop EAX</span>
+<span id="L966" class="LineNr"> 966 </span>    <span class="subxS1Comment"># . prolog</span>
+<span id="L967" class="LineNr"> 967 </span>    55/push-EBP
+<span id="L968" class="LineNr"> 968 </span>    89/copy                         3/mod/direct    5/rm32/EBP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          4/r32/ESP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy ESP to EBP</span>
+<span id="L969" class="LineNr"> 969 </span>    <span class="subxS1Comment"># . save registers</span>
+<span id="L970" class="LineNr"> 970 </span>    50/push-EAX
+<span id="L971" class="LineNr"> 971 </span><span class="Constant">$skip-until-newline:loop</span>:
+<span id="L972" class="LineNr"> 972 </span>    <span class="subxS1Comment"># . EAX = read-byte(in)</span>
+<span id="L973" class="LineNr"> 973 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L974" class="LineNr"> 974 </span>    ff          6/subop/push        1/mod/*+disp8   4/rm32/sib    5/base/EBP  4/index/none <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          8/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EBP+8)</span>
+<span id="L975" class="LineNr"> 975 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L976" class="LineNr"> 976 </span>    e8/call  read-byte/disp32
+<span id="L977" class="LineNr"> 977 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L978" class="LineNr"> 978 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L979" class="LineNr"> 979 </span>    <span class="subxS1Comment"># . if EAX == 0xffffffff break</span>
+<span id="L980" class="LineNr"> 980 </span>    81          7/subop/compare     3/mod/direct    0/rm32/EAX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xffffffff/imm32  <span class="subxComment"># compare EAX</span>
+<span id="L981" class="LineNr"> 981 </span>    74/jump-if-equal  $skip-until-newline:end/disp8
+<span id="L982" class="LineNr"> 982 </span><span class="Constant">$aa</span>:
+<span id="L983" class="LineNr"> 983 </span>    <span class="subxS1Comment"># . if EAX != 0xa/newline loop</span>
+<span id="L984" class="LineNr"> 984 </span>    81          7/subop/compare     3/mod/direct    0/rm32/EAX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xa/imm32         <span class="subxComment"># compare EAX</span>
+<span id="L985" class="LineNr"> 985 </span>    75/jump-if-not-equal  $skip-until-newline:loop/disp8
+<span id="L986" class="LineNr"> 986 </span><span class="Constant">$skip-until-newline:end</span>:
+<span id="L987" class="LineNr"> 987 </span>    <span class="subxS1Comment"># . restore registers</span>
+<span id="L988" class="LineNr"> 988 </span>    58/pop-to-EAX
+<span id="L989" class="LineNr"> 989 </span>    <span class="subxS1Comment"># . epilog</span>
+<span id="L990" class="LineNr"> 990 </span>    89/copy                         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>          5/r32/EBP  <span class="CommentedCode"> . </span>             <span class="CommentedCode"> . </span>                <span class="subxComment"># copy EBP to ESP</span>
+<span id="L991" class="LineNr"> 991 </span>    5d/pop-to-EBP
+<span id="L992" class="LineNr"> 992 </span>    c3/return
+<span id="L993" class="LineNr"> 993 </span>
+<span id="L994" class="LineNr"> 994 </span><span class="subxTest">test-skip-until-newline</span>:
+<span id="L995" class="LineNr"> 995 </span>    <span class="subxH1Comment"># - check that the read pointer points after the newline</span>
+<span id="L996" class="LineNr"> 996 </span>    <span class="subxComment"># setup</span>
+<span id="L997" class="LineNr"> 997 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
+<span id="L998" class="LineNr"> 998 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L999" class="LineNr"> 999 </span>    68/push  _test-stream/imm32
+<span id="L1000" class="LineNr">1000 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1001" class="LineNr">1001 </span>    e8/call  clear-stream/disp32
+<span id="L1002" class="LineNr">1002 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1003" class="LineNr">1003 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L1004" class="LineNr">1004 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span>
+<span id="L1005" class="LineNr">1005 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L1006" class="LineNr">1006 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L1007" class="LineNr">1007 </span>    05/add-to-EAX  4/imm32
+<span id="L1008" class="LineNr">1008 </span>    50/push-EAX
+<span id="L1009" class="LineNr">1009 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1010" class="LineNr">1010 </span>    e8/call  clear-stream/disp32
+<span id="L1011" class="LineNr">1011 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1012" class="LineNr">1012 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L1013" class="LineNr">1013 </span>    <span class="subxComment"># initialize '_test-stream' to &quot;abc\nde&quot;</span>
+<span id="L1014" class="LineNr">1014 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;abc&quot;)</span>
+<span id="L1015" class="LineNr">1015 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L1016" class="LineNr">1016 </span>    68/push  <span class="Constant">&quot;abc&quot;</span>/imm32
+<span id="L1017" class="LineNr">1017 </span>    68/push  _test-stream/imm32
+<span id="L1018" class="LineNr">1018 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1019" class="LineNr">1019 </span>    e8/call  write/disp32
+<span id="L1020" class="LineNr">1020 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1021" class="LineNr">1021 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L1022" class="LineNr">1022 </span>    <span class="subxS1Comment"># . write(_test-stream, Newline)</span>
+<span id="L1023" class="LineNr">1023 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L1024" class="LineNr">1024 </span>    68/push  <span class="SpecialChar">Newline</span>/imm32
+<span id="L1025" class="LineNr">1025 </span>    68/push  _test-stream/imm32
+<span id="L1026" class="LineNr">1026 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1027" class="LineNr">1027 </span>    e8/call  write/disp32
+<span id="L1028" class="LineNr">1028 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1029" class="LineNr">1029 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L1030" class="LineNr">1030 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;de&quot;)</span>
+<span id="L1031" class="LineNr">1031 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L1032" class="LineNr">1032 </span>    68/push  <span class="Constant">&quot;de&quot;</span>/imm32
+<span id="L1033" class="LineNr">1033 </span>    68/push  _test-stream/imm32
+<span id="L1034" class="LineNr">1034 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1035" class="LineNr">1035 </span>    e8/call  write/disp32
+<span id="L1036" class="LineNr">1036 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1037" class="LineNr">1037 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              8/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L1038" class="LineNr">1038 </span>    <span class="subxComment"># skip-until-newline(_test-buffered-file)</span>
+<span id="L1039" class="LineNr">1039 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L1040" class="LineNr">1040 </span>    68/push  _test-buffered-file/imm32
+<span id="L1041" class="LineNr">1041 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1042" class="LineNr">1042 </span>    e8/call  skip-until-newline/disp32
+<span id="L1043" class="LineNr">1043 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1044" class="LineNr">1044 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              4/imm32           <span class="subxComment"># add to ESP</span>
+<span id="L1045" class="LineNr">1045 </span>    <span class="subxComment"># check-ints-equal(_test-buffered-file-&gt;read, 4, msg)</span>
+<span id="L1046" class="LineNr">1046 </span>    <span class="subxS2Comment"># . . push args</span>
+<span id="L1047" class="LineNr">1047 </span>    68/push  <span class="Constant">&quot;F - test-skip-until-newline&quot;</span>/imm32
+<span id="L1048" class="LineNr">1048 </span>    68/push  4/imm32
+<span id="L1049" class="LineNr">1049 </span>    b8/copy-to-EAX  _test-buffered-file/imm32
+<span id="L1050" class="LineNr">1050 </span>    ff          6/subop/push        1/mod/*+disp8   0/rm32/EAX   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>          8/disp8        <span class="CommentedCode"> . </span>                <span class="subxComment"># push *(EAX+8)</span>
+<span id="L1051" class="LineNr">1051 </span>    <span class="subxS2Comment"># . . call</span>
+<span id="L1052" class="LineNr">1052 </span>    e8/call  check-ints-equal/disp32
+<span id="L1053" class="LineNr">1053 </span>    <span class="subxS2Comment"># . . discard args</span>
+<span id="L1054" class="LineNr">1054 </span>    81          0/subop/add         3/mod/direct    4/rm32/ESP   <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>           <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>         <span class="CommentedCode"> . </span>              0xc/imm32         <span class="subxComment"># add to ESP</span>
+<span id="L1055" class="LineNr">1055 </span>    <span class="subxS1Comment"># . end</span>
+<span id="L1056" class="LineNr">1056 </span>    c3/return
+<span id="L1057" class="LineNr">1057 </span>
+<span id="L1058" class="LineNr">1058 </span>== data
+<span id="L1059" class="LineNr">1059 </span>
+<span id="L1060" class="LineNr">1060 </span><span class="subxMinorFunction">_test-output-stream</span>:
+<span id="L1061" class="LineNr">1061 </span>    <span class="subxComment"># current write index</span>
+<span id="L1062" class="LineNr">1062 </span>    00 00 00 00
+<span id="L1063" class="LineNr">1063 </span>    <span class="subxComment"># current read index</span>
+<span id="L1064" class="LineNr">1064 </span>    00 00 00 00
+<span id="L1065" class="LineNr">1065 </span>    <span class="subxComment"># length (= 8)</span>
+<span id="L1066" class="LineNr">1066 </span>    08 00 00 00
+<span id="L1067" class="LineNr">1067 </span>    <span class="subxComment"># data</span>
+<span id="L1068" class="LineNr">1068 </span>    00 00 00 00 00 00 00 00  <span class="subxComment"># 8 bytes</span>
+<span id="L1069" class="LineNr">1069 </span>
+<span id="L1070" class="LineNr">1070 </span><span class="subxMinorFunction">_test-error-stream</span>:
+<span id="L1071" class="LineNr">1071 </span>    <span class="subxComment"># current write index</span>
+<span id="L1072" class="LineNr">1072 </span>    00 00 00 00
+<span id="L1073" class="LineNr">1073 </span>    <span class="subxComment"># current read index</span>
+<span id="L1074" class="LineNr">1074 </span>    00 00 00 00
+<span id="L1075" class="LineNr">1075 </span>    <span class="subxComment"># length (= 8)</span>
+<span id="L1076" class="LineNr">1076 </span>    08 00 00 00
+<span id="L1077" class="LineNr">1077 </span>    <span class="subxComment"># data</span>
+<span id="L1078" class="LineNr">1078 </span>    00 00 00 00 00 00 00 00  <span class="subxComment"># 8 bytes</span>
+<span id="L1079" class="LineNr">1079 </span>
+<span id="L1080" class="LineNr">1080 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
 </pre>
 </body>
 </html>