about summary refs log tree commit diff stats
path: root/js/magic-bird/imgs/extracted-1688-map/MapParts/towns/2.png
blob: fe6192a7b1feaf7a502397e5773ceedf5f1a3cb4 (plain)
ofshex dumpascii
0000 89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 00 28 00 00 00 25 08 06 00 00 00 30 60 ab .PNG........IHDR...(...%.....0`.
0020 b3 00 00 02 da 49 44 41 54 78 da ed 97 6f 68 cc 71 1c c7 0f 89 a1 3c 23 64 1a 71 c9 13 4f 64 ed .....IDATx...oh.q.....<#d.q..Od.
0040 01 d1 a4 26 3a 91 c8 4a 5d 24 4a 24 ca 03 a2 69 59 3c 50 a4 2d a2 2b 79 20 b5 26 9a 68 ba cb 72 ...&:..J]$J$...iY<P.-.+y..&.h..r
0060 d1 44 2c 22 c4 b2 66 6d 97 c9 6d 76 b1 db 79 7f ea f5 ab 5f eb ce 13 bf f3 3b f9 7d ea d5 dd fd .D,"..fm..mv..y...._.....;.}....
0080 fa dd 7d df bf cf ff 0b 85 02 0b ec df b3 32 31 a9 94 05 36 88 fa 52 16 d8 28 ae 96 b2 c0 8b e2 ..}...........21...6..R..(......
00a0 76 a9 89 9a 20 26 8b 79 a2 4d bc 12 1b 45 44 ec 12 27 c5 35 b1 53 cc f8 db e2 ce 8b 47 22 29 9e v....&.y.M...ED..'.5.S......G").
00c0 8b fb 22 21 3e 88 97 e2 a3 e8 12 ad a2 d6 8f 02 aa 21 ac 0f f1 de 51 71 4c 74 8a 8c 18 15 dd a2 .."!>............!....QqLt......
00e0 5a 4c f5 2b c4 76 f0 3e b1 5b ac 10 2b 11 99 46 60 dc ef 1c b4 fc 3b 42 68 4f 89 2d 62 ab 48 21 ZL.+.v.>.[..+..F`.....;BhO.-b.H!
0100 30 e1 b7 40 cb ab bd 88 5c 2b aa f8 dc 2f b2 a5 e0 c1 39 e2 82 d8 26 96 88 a5 e2 10 1e cc 50 c1 0..@....\+.../....9...&.......P.
0120 be 9a 15 ca 00 53 c4 da cb 1a b1 87 6b 56 c5 fb fd 16 38 4b 34 e1 45 6b 3b a7 45 9d f8 2a 1e 50 .....S......kV....8K4.Ek;.E..*.P
0140 34 be da 44 f2 cf 7a 61 bb b8 2e ce 89 41 71 4b 84 fd 16 18 c6 83 c3 f4 bc 76 c6 5d 06 0f d6 e4 4..D..za.....AqK.........v.]....
0160 29 2a a7 3d 95 15 5b 5c 2d 13 c4 da 49 0e 51 df f9 9c 05 2b 96 b3 4c 99 5e 31 22 7e 72 bd c9 cb )*.=..[\-...I.Q....+..L.^1"~r...
0180 3d cf 3c 15 63 72 58 48 77 88 67 1c 66 4d 39 2a 2a c5 3a 0e 1e 44 e8 27 2a bc c3 25 dc 7e 63 93 =.<.crXHw.g.fM9**.:..D.'*..%.~c.
01a0 57 b3 d9 42 b2 10 6f d9 a1 7d 84 b1 19 8f 75 33 39 dc 36 93 f9 3b 24 5e 8b f9 a2 85 c2 79 2c 96 W..B..o..}....u39.6..;$^.....y,.
01c0 15 63 5a ac 12 9f c5 4d 71 98 b6 62 9e 3b 53 e0 3b 11 3c fc 86 7c 6b 20 37 ad 89 97 17 2b e7 7a .cZ....Mq..b.;S.;.<..|k.7....+.z
01e0 f1 a4 d9 22 36 96 ba df 14 4f 0b 21 ae e6 7d 27 9e 7f cb 48 f4 dc fa 68 c6 21 0e b5 46 fc 42 6c ..."6....O.!..}'...H...h.!..F.Bl
0200 ce 73 af 4d 94 3b a2 87 e6 dd 88 40 67 04 3e 71 3d ac 67 66 73 f5 20 87 47 39 c4 f2 f0 dd 98 96 .s.M.;.....@g.>q=.gfs...G9......
0220 31 9d 42 72 42 1c 61 15 4b 70 bf 4d 99 1f 7c cf e6 77 85 57 02 2b 09 95 79 66 31 61 ba cb 61 cd 1.BrB.a.Kp.M..|..w.W.+..yf1a..a.
0240 78 a9 8d 6a 1d 25 25 5a 69 dc 96 ab 57 68 37 d6 cc 9f 52 44 4e 3b 3a fe 27 c2 aa 18 61 49 2a d9 x..j.%%Zi...Wh7...RDN;:.'...aI*.
0260 b6 e4 03 78 64 08 31 29 d7 82 90 e3 ba 55 ed 37 5e 07 78 9f c6 73 69 57 ff 74 1e e6 06 cb 85 71 ...xd.1).....U.7^.x..siW.t.....q
0280 99 87 b2 3d 73 83 58 8d b7 c7 e5 13 b8 9e a7 8f e1 bd 24 ab 7e 1c 8f 25 a9 f0 1e 44 e4 98 2c 19 ...=s.X...........$.~..%...D..,.
02a0 bc e3 88 18 41 f8 30 a2 fb b9 3f eb 0a f9 3d 3c 1c a3 9f 9e 60 e1 88 f2 bf 66 4a a1 79 1b a6 dd ....A.0...?...=<....`....fJ.y...
02c0 94 b3 ad 58 81 6c e7 fa 72 c2 5b cf 93 a7 10 fc 9e 8a fd 42 bf ec 20 45 ba 98 d3 76 ff 25 8a 27 ...X.l..r.[........B...E...v.%.'
02e0 8e 90 05 9c 33 5e 4c 63 19 99 0b b3 bd ec 9b 63 27 91 bb 88 2a 0a 85 2a b0 c0 02 fb 9f ec 17 b8 ....3^Lc.......c'...*..*........
0300 9f e6 19 1d 61 23 14 00 00 00 00 49 45 4e 44 ae 42 60 82 ....a#.....IEND.B`.
cfec4213587'>ce2c1efc ^
d3a9db3a ^
60338448 ^
d3a9db3a ^
e0610e39 ^
8aeb85f0 ^
8aeb85f0 ^
d3a9db3a ^
60338448 ^
d1c9392a ^















ce2c1efc ^
d1c9392a ^















ec73ed12 ^
d1c9392a ^
52daf072 ^
c56d803c ^






d1c9392a ^


c56d803c ^
999c529c ^
fa786ea7 ^
7e7a8a6e ^
e99038ea ^
8aeb85f0 ^
999c529c ^

e99038ea ^
999c529c ^

9a777801 ^
999c529c ^











68df24fa ^
999c529c ^
efe641a0 ^
999c529c ^











6070c23e ^
999c529c ^




ec73ed12 ^
999c529c ^








ec73ed12 ^
999c529c ^



6070c23e ^
999c529c ^


8aeb85f0 ^




















3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^





ec73ed12 ^
8aeb85f0 ^




3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^



68df24fa ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^







ec73ed12 ^
8aeb85f0 ^









3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^





ec73ed12 ^
8aeb85f0 ^




3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^



68df24fa ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^



68df24fa ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^







ec73ed12 ^
8aeb85f0 ^









3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^





ec73ed12 ^
8aeb85f0 ^



68df24fa ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^







ec73ed12 ^
8aeb85f0 ^









3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^





ec73ed12 ^
8aeb85f0 ^




3d1c4216 ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^


9a777801 ^
68df24fa ^
8aeb85f0 ^


68df24fa ^
8aeb85f0 ^
ec73ed12 ^
8aeb85f0 ^







ec73ed12 ^
8aeb85f0 ^




68df24fa ^
91a5f3e1 ^
68df24fa ^














































3d1c4216 ^
68df24fa ^















d3a9db3a ^

68df24fa ^















d3a9db3a ^































































d1c9392a ^



1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484



                                                                                          
                                     

                                                

                                                                                                      
                                                 

                       

                                                                                           
                    
                                     
                                
                                                             
           
                             
                                  
                                      
                                
                             
                                                                           
                                  
                                                              















                                                                                 
                                                  















                                                                              
                                                                                                                                       
                         
                                                                                                                                        






                                                                                                                                                       


                                                
                                                                                                                                                 
                                                                                                                                                        
                                                                                                                                  
                                                                                                                     
                                                                                                       
                                                                                         

                                                                                                           
                                                    

                                                                                                    
                                                                                      











                                                                                                                                                                                                                             
                                                                                                                                    
                                                                                                                             
                                                                                                                                                                                      











                                                                                                                                                                                                                                                                                                                                                                                             
                                                                                                   




                                                                                                                                                                                                                                                                                                                                                                   
                                                                                                               








                                                                                                                                                                                                                                                                                                                                                                                                                   
                                                                                                     



                                                                                                                                                                                                                                                                                                                                                                                        
                                                                                                 


                                                                                                       




















                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                              
                                                                                          
                                                                                                               





                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                




                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                               
                                                                                           
                                                                                                        



                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                          
                                                                                           
                                                                                                                         







                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                  









                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                               
                                                                                           
                                                                                                                





                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                




                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                               
                                                                                           
                                                                                                        



                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                          
                                                                                           
                                                                                                                         



                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                          
                                                                                           
                                                                                                                         







                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                  









                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                               
                                                                                           
                                                                                                                





                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                



                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                          
                                                                                           
                                                                                                                         







                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                  









                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                               
                                                                                           
                                                                                                                





                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                




                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                               
                                                                                           
                                                                                                        


                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                                                           
                                                                                                                                 


                                                                                                                                                                                                                                                                                                                                                                   
                                                                                                                          
                                                                                           
                                                                                                                         







                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                  




                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                                     
                                                                                                             














































                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                                      















                                                                                                                                                      

                                                                                                                















                                                                                             































































                                                                                                                                                             



                                     
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - 112read-byte.subx</title>
<meta name="Generator" content="Vim/8.1">
<meta name="plugin-version" content="vim8.1_v1">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-light">
<style type="text/css">
<!--
pre { font-family: monospace; color: #000000; background-color: #c6c6c6; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxTest { color: #5f8700; }
.subxS1Comment { color: #0000af; }
.subxMinorFunction { color: #875f5f; }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxS2Comment { color: #8a8a8a; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>

<script type='text/javascript'>
<!--

/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
  var lineNum;
  lineNum = window.location.hash;
  lineNum = lineNum.substr(1); /* strip off '#' */

  if (lineNum.indexOf('L') == -1) {
    lineNum = 'L'+lineNum;
  }
  var lineElem = document.getElementById(lineNum);
  /* Always jump to new location even if the line was hidden inside a fold, or
   * we corrected the raw number to a line ID.
   */
  if (lineElem) {
    lineElem.scrollIntoView(true);
  }
  return true;
}
if ('onhashchange' in window) {
  window.onhashchange = JumpToLine;
}

-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/112read-byte.subx'>https://github.com/akkartik/mu/blob/master/112read-byte.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="subxComment"># read-byte-buffered: one higher-level abstraction atop 'read'.</span>
<span id="L2" class="LineNr">  2 </span><span class="subxComment">#</span>
<span id="L3" class="LineNr">  3 </span><span class="subxComment"># There are many situations where 'read' is a lot to manage, and we need</span>
<span id="L4" class="LineNr">  4 </span><span class="subxComment"># to abstract some details away. One of them is when we want to read a file</span>
<span id="L5" class="LineNr">  5 </span><span class="subxComment"># character by character. In this situation we follow C's FILE data structure,</span>
<span id="L6" class="LineNr">  6 </span><span class="subxComment"># which manages the underlying file descriptor together with the buffer it</span>
<span id="L7" class="LineNr">  7 </span><span class="subxComment"># reads into. We call our version 'buffered-file'. Should be useful with other</span>
<span id="L8" class="LineNr">  8 </span><span class="subxComment"># primitives as well, in later layers.</span>
<span id="L9" class="LineNr">  9 </span>
<span id="L10" class="LineNr"> 10 </span>== data
<span id="L11" class="LineNr"> 11 </span>
<span id="L12" class="LineNr"> 12 </span><span class="subxComment"># The buffered file for standard input. Also illustrates the layout for</span>
<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># buffered-file: a pointer to the backing store, followed by a 'buffer' stream</span>
<span id="L14" class="LineNr"> 14 </span><span class="SpecialChar">Stdin</span>:  <span class="subxComment"># buffered-file</span>
<span id="L15" class="LineNr"> 15 </span>    <span class="subxComment"># file descriptor or (addr stream byte)</span>
<span id="L16" class="LineNr"> 16 </span>    0/imm32  <span class="subxComment"># standard input</span>
<span id="L17" class="LineNr"> 17 </span><span class="Constant">$Stdin-&gt;buffer</span>:
<span id="L18" class="LineNr"> 18 </span>    <span class="subxComment"># inlined fields for a stream</span>
<span id="L19" class="LineNr"> 19 </span>    <span class="subxComment">#   current write index</span>
<span id="L20" class="LineNr"> 20 </span>    0/imm32
<span id="L21" class="LineNr"> 21 </span>    <span class="subxComment">#   current read index</span>
<span id="L22" class="LineNr"> 22 </span>    0/imm32
<span id="L23" class="LineNr"> 23 </span>    <span class="subxComment">#   size</span>
<span id="L24" class="LineNr"> 24 </span>    8/imm32
<span id="L25" class="LineNr"> 25 </span>    <span class="subxComment">#   data</span>
<span id="L26" class="LineNr"> 26 </span>    00 00 00 00 00 00 00 00  <span class="subxComment"># 8 bytes</span>
<span id="L27" class="LineNr"> 27 </span>
<span id="L28" class="LineNr"> 28 </span><span class="subxComment"># TODO: 8 bytes is too small. We'll need to grow the buffer for efficiency. But</span>
<span id="L29" class="LineNr"> 29 </span><span class="subxComment"># I don't want to type in 1024 bytes here.</span>
<span id="L30" class="LineNr"> 30 </span>
<span id="L31" class="LineNr"> 31 </span>== code
<span id="L32" class="LineNr"> 32 </span><span class="subxComment">#   instruction                     effective address                                                   register    displacement    immediate</span>
<span id="L33" class="LineNr"> 33 </span><span class="subxS1Comment"># . op          subop               mod             rm32          base        index         scale       r32</span>
<span id="L34" class="LineNr"> 34 </span><span class="subxS1Comment"># . 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes</span>
<span id="L35" class="LineNr"> 35 </span>
<span id="L36" class="LineNr"> 36 </span><span class="subxComment"># Return next byte value in eax, with top 3 bytes cleared.</span>
<span id="L37" class="LineNr"> 37 </span><span class="subxComment"># On reaching end of file, return 0xffffffff (Eof).</span>
<span id="L38" class="LineNr"> 38 </span><span class="subxFunction">read-byte-buffered</span>:  <span class="subxComment"># f: (addr buffered-file) -&gt; byte-or-Eof/eax: byte</span>
<span id="L39" class="LineNr"> 39 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L40" class="LineNr"> 40 </span>    55/push-ebp
<span id="L41" class="LineNr"> 41 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L42" class="LineNr"> 42 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L43" class="LineNr"> 43 </span>    51/push-ecx
<span id="L44" class="LineNr"> 44 </span>    56/push-esi
<span id="L45" class="LineNr"> 45 </span>    <span class="subxComment"># esi = f</span>
<span id="L46" class="LineNr"> 46 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L47" class="LineNr"> 47 </span>    <span class="subxComment"># ecx = f-&gt;read</span>
<span id="L48" class="LineNr"> 48 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+8) to ecx</span>
<span id="L49" class="LineNr"> 49 </span>    <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) populate stream from file</span>
<span id="L50" class="LineNr"> 50 </span>    3b/compare                      1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># compare ecx with *(esi+4)</span>
<span id="L51" class="LineNr"> 51 </span>    7c/jump-if-&lt;  $read-byte-buffered:from-stream/disp8
<span id="L52" class="LineNr"> 52 </span>    <span class="subxS1Comment"># . clear-stream(stream = f+4)</span>
<span id="L53" class="LineNr"> 53 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L54" class="LineNr"> 54 </span>    8d/copy-address                 1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy esi+4 to eax</span>
<span id="L55" class="LineNr"> 55 </span>    50/push-eax
<span id="L56" class="LineNr"> 56 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L57" class="LineNr"> 57 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L58" class="LineNr"> 58 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L59" class="LineNr"> 59 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L60" class="LineNr"> 60 </span>    <span class="subxS1Comment"># . f-&gt;read must now be 0; update its cache at ecx</span>
<span id="L61" class="LineNr"> 61 </span>    31/xor                          3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear ecx</span>
<span id="L62" class="LineNr"> 62 </span>    <span class="subxS1Comment"># . eax = read(f-&gt;fd, stream = f+4)</span>
<span id="L63" class="LineNr"> 63 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L64" class="LineNr"> 64 </span>    50/push-eax
<span id="L65" class="LineNr"> 65 </span>    ff          6/subop/push        0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># push *esi</span>
<span id="L66" class="LineNr"> 66 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L67" class="LineNr"> 67 </span>    e8/call  <a href='111read.subx.html#L48'>read</a>/disp32
<span id="L68" class="LineNr"> 68 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L69" class="LineNr"> 69 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L70" class="LineNr"> 70 </span>    <span class="subxComment"># if (eax == 0) return 0xffffffff</span>
<span id="L71" class="LineNr"> 71 </span>    3d/compare-eax-and  0/imm32
<span id="L72" class="LineNr"> 72 </span>    75/jump-if-!=  $read-byte-buffered:from-stream/disp8
<span id="L73" class="LineNr"> 73 </span>    b8/copy-to-eax  0xffffffff/imm32/Eof
<span id="L74" class="LineNr"> 74 </span>    eb/jump  $read-byte-buffered:end/disp8
<span id="L75" class="LineNr"> 75 </span><span class="Constant">$read-byte-buffered:from-stream</span>:
<span id="L76" class="LineNr"> 76 </span>    <span class="subxComment"># byte-or-Eof = f-&gt;data[f-&gt;read]</span>
<span id="L77" class="LineNr"> 77 </span>    31/xor                          3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear eax</span>
<span id="L78" class="LineNr"> 78 </span>    8a/copy-byte                    1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/AL    0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *(esi+ecx+16) to AL</span>
<span id="L79" class="LineNr"> 79 </span>    <span class="subxComment"># ++f-&gt;read</span>
<span id="L80" class="LineNr"> 80 </span>    ff          0/subop/increment   1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># increment *(esi+8)</span>
<span id="L81" class="LineNr"> 81 </span><span class="Constant">$read-byte-buffered:end</span>:
<span id="L82" class="LineNr"> 82 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L83" class="LineNr"> 83 </span>    5e/pop-to-esi
<span id="L84" class="LineNr"> 84 </span>    59/pop-to-ecx
<span id="L85" class="LineNr"> 85 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L86" class="LineNr"> 86 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L87" class="LineNr"> 87 </span>    5d/pop-to-ebp
<span id="L88" class="LineNr"> 88 </span>    c3/return
<span id="L89" class="LineNr"> 89 </span>
<span id="L90" class="LineNr"> 90 </span><span class="subxH1Comment"># - tests</span>
<span id="L91" class="LineNr"> 91 </span>
<span id="L92" class="LineNr"> 92 </span><span class="subxTest">test-read-byte-buffered-single</span>:
<span id="L93" class="LineNr"> 93 </span>    <span class="subxH1Comment"># - check that read-byte-buffered returns first byte of 'file'</span>
<span id="L94" class="LineNr"> 94 </span>    <span class="subxComment"># setup</span>
<span id="L95" class="LineNr"> 95 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L96" class="LineNr"> 96 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L97" class="LineNr"> 97 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L98" class="LineNr"> 98 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L99" class="LineNr"> 99 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L100" class="LineNr">100 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L101" class="LineNr">101 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L102" class="LineNr">102 </span>    <span class="subxS1Comment"># . clear-stream(_test-buffered-file-&gt;buffer)</span>
<span id="L103" class="LineNr">103 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L104" class="LineNr">104 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L105" class="LineNr">105 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L106" class="LineNr">106 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L107" class="LineNr">107 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L108" class="LineNr">108 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L109" class="LineNr">109 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;Ab&quot;)</span>
<span id="L110" class="LineNr">110 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L111" class="LineNr">111 </span>    68/push  <span class="Constant">&quot;Ab&quot;</span>/imm32
<span id="L112" class="LineNr">112 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L113" class="LineNr">113 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L114" class="LineNr">114 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L115" class="LineNr">115 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L116" class="LineNr">116 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L117" class="LineNr">117 </span>    <span class="subxComment"># read-byte-buffered(_test-buffered-file)</span>
<span id="L118" class="LineNr">118 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L119" class="LineNr">119 </span>    68/push  <a href='112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L120" class="LineNr">120 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L121" class="LineNr">121 </span>    e8/call  <a href='112read-byte.subx.html#L38'>read-byte-buffered</a>/disp32
<span id="L122" class="LineNr">122 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L123" class="LineNr">123 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L124" class="LineNr">124 </span>    <span class="subxComment"># check-ints-equal(eax, 'A', msg)</span>
<span id="L125" class="LineNr">125 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L126" class="LineNr">126 </span>    68/push  <span class="Constant">&quot;F - test-read-byte-buffered-single&quot;</span>/imm32
<span id="L127" class="LineNr">127 </span>    68/push  0x41/imm32
<span id="L128" class="LineNr">128 </span>    50/push-eax
<span id="L129" class="LineNr">129 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L130" class="LineNr">130 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L131" class="LineNr">131 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L132" class="LineNr">132 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L133" class="LineNr">133 </span>    <span class="subxS1Comment"># . end</span>
<span id="L134" class="LineNr">134 </span>    c3/return
<span id="L135" class="LineNr">135 </span>
<span id="L136" class="LineNr">136 </span><span class="subxTest">test-read-byte-buffered-multiple</span>:
<span id="L137" class="LineNr">137 </span>    <span class="subxH1Comment"># - call read-byte-buffered twice, check that second call returns second byte</span>
<span id="L138" class="LineNr">138 </span>    <span class="subxComment"># setup</span>
<span id="L139" class="LineNr">139 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L140" class="LineNr">140 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L141" class="LineNr">141 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L142" class="LineNr">142 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L143" class="LineNr">143 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L144" class="LineNr">144 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L145" class="LineNr">145 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L146" class="LineNr">146 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L147" class="LineNr">147 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L148" class="LineNr">148 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L149" class="LineNr">149 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L150" class="LineNr">150 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L151" class="LineNr">151 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L152" class="LineNr">152 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L153" class="LineNr">153 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;Ab&quot;)</span>
<span id="L154" class="LineNr">154 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L155" class="LineNr">155 </span>    68/push  <span class="Constant">&quot;Ab&quot;</span>/imm32
<span id="L156" class="LineNr">156 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L157" class="LineNr">157 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L158" class="LineNr">158 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L159" class="LineNr">159 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L160" class="LineNr">160 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L161" class="LineNr">161 </span>    <span class="subxComment"># read-byte-buffered(_test-buffered-file)</span>
<span id="L162" class="LineNr">162 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L163" class="LineNr">163 </span>    68/push  <a href='112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L164" class="LineNr">164 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L165" class="LineNr">165 </span>    e8/call  <a href='112read-byte.subx.html#L38'>read-byte-buffered</a>/disp32
<span id="L166" class="LineNr">166 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L167" class="LineNr">167 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L168" class="LineNr">168 </span>    <span class="subxComment"># read-byte-buffered(_test-buffered-file)</span>
<span id="L169" class="LineNr">169 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L170" class="LineNr">170 </span>    68/push  <a href='112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L171" class="LineNr">171 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L172" class="LineNr">172 </span>    e8/call  <a href='112read-byte.subx.html#L38'>read-byte-buffered</a>/disp32
<span id="L173" class="LineNr">173 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L174" class="LineNr">174 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L175" class="LineNr">175 </span>    <span class="subxComment"># check-ints-equal(eax, 'b', msg)</span>
<span id="L176" class="LineNr">176 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L177" class="LineNr">177 </span>    68/push  <span class="Constant">&quot;F - test-read-byte-buffered-multiple&quot;</span>/imm32
<span id="L178" class="LineNr">178 </span>    68/push  0x62/imm32
<span id="L179" class="LineNr">179 </span>    50/push-eax
<span id="L180" class="LineNr">180 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L181" class="LineNr">181 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L182" class="LineNr">182 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L183" class="LineNr">183 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L184" class="LineNr">184 </span>    <span class="subxS1Comment"># . end</span>
<span id="L185" class="LineNr">185 </span>    c3/return
<span id="L186" class="LineNr">186 </span>
<span id="L187" class="LineNr">187 </span><span class="subxTest">test-read-byte-buffered-end-of-file</span>:
<span id="L188" class="LineNr">188 </span>    <span class="subxH1Comment"># - call read-byte-buffered on an empty 'file', check that it returns Eof</span>
<span id="L189" class="LineNr">189 </span>    <span class="subxComment"># setup</span>
<span id="L190" class="LineNr">190 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L191" class="LineNr">191 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L192" class="LineNr">192 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L193" class="LineNr">193 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L194" class="LineNr">194 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L195" class="LineNr">195 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L196" class="LineNr">196 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L197" class="LineNr">197 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L198" class="LineNr">198 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L199" class="LineNr">199 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L200" class="LineNr">200 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L201" class="LineNr">201 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L202" class="LineNr">202 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L203" class="LineNr">203 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L204" class="LineNr">204 </span>    <span class="subxComment"># read-byte-buffered(_test-buffered-file)</span>
<span id="L205" class="LineNr">205 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L206" class="LineNr">206 </span>    68/push  <a href='112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L207" class="LineNr">207 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L208" class="LineNr">208 </span>    e8/call  <a href='112read-byte.subx.html#L38'>read-byte-buffered</a>/disp32
<span id="L209" class="LineNr">209 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L210" class="LineNr">210 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L211" class="LineNr">211 </span>    <span class="subxComment"># check-ints-equal(eax, 0xffffffff, msg)</span>
<span id="L212" class="LineNr">212 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L213" class="LineNr">213 </span>    68/push  <span class="Constant">&quot;F - test-read-byte-buffered-end-of-file&quot;</span>/imm32
<span id="L214" class="LineNr">214 </span>    68/push  0xffffffff/imm32/Eof
<span id="L215" class="LineNr">215 </span>    50/push-eax
<span id="L216" class="LineNr">216 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L217" class="LineNr">217 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L218" class="LineNr">218 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L219" class="LineNr">219 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L220" class="LineNr">220 </span>    <span class="subxS1Comment"># . end</span>
<span id="L221" class="LineNr">221 </span>    c3/return
<span id="L222" class="LineNr">222 </span>
<span id="L223" class="LineNr">223 </span><span class="subxTest">test-read-byte-buffered-refills-buffer</span>:
<span id="L224" class="LineNr">224 </span>    <span class="subxH1Comment"># - consume buffered-file's buffer, check that next read-byte-buffered still works</span>
<span id="L225" class="LineNr">225 </span>    <span class="subxComment"># setup</span>
<span id="L226" class="LineNr">226 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L227" class="LineNr">227 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L228" class="LineNr">228 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L229" class="LineNr">229 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L230" class="LineNr">230 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L231" class="LineNr">231 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L232" class="LineNr">232 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L233" class="LineNr">233 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L234" class="LineNr">234 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L235" class="LineNr">235 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L236" class="LineNr">236 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L237" class="LineNr">237 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L238" class="LineNr">238 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L239" class="LineNr">239 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L240" class="LineNr">240 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;Abcdefgh&quot;)</span>
<span id="L241" class="LineNr">241 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L242" class="LineNr">242 </span>    68/push  <span class="Constant">&quot;Abcdefgh&quot;</span>/imm32
<span id="L243" class="LineNr">243 </span>    68/push  <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L244" class="LineNr">244 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L245" class="LineNr">245 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L246" class="LineNr">246 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L247" class="LineNr">247 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L248" class="LineNr">248 </span>    <span class="subxComment"># pretend buffer is full</span>
<span id="L249" class="LineNr">249 </span>    <span class="subxS1Comment"># . _test-buffered-file-&gt;read = 6  # &gt;= _test-buffered-file-&gt;size</span>
<span id="L250" class="LineNr">250 </span>    b8/copy-to-eax  <a href='112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L251" class="LineNr">251 </span>    c7          0/subop/copy        1/mod/*+disp8   0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8         6/imm32           <span class="subxComment"># copy to *(eax+8)</span>
<span id="L252" class="LineNr">252 </span>    <span class="subxComment"># read-byte-buffered(_test-buffered-file)</span>
<span id="L253" class="LineNr">253 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L254" class="LineNr">254 </span>    68/push  <a href='112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L255" class="LineNr">255 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L256" class="LineNr">256 </span>    e8/call  <a href='112read-byte.subx.html#L38'>read-byte-buffered</a>/disp32
<span id="L257" class="LineNr">257 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L258" class="LineNr">258 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L259" class="LineNr">259 </span>    <span class="subxComment"># check-ints-equal(eax, 'A', msg)</span>
<span id="L260" class="LineNr">260 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L261" class="LineNr">261 </span>    68/push  <span class="Constant">&quot;F - test-read-byte-buffered-refills-buffer&quot;</span>/imm32
<span id="L262" class="LineNr">262 </span>    68/push  0x41/imm32
<span id="L263" class="LineNr">263 </span>    50/push-eax
<span id="L264" class="LineNr">264 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L265" class="LineNr">265 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/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="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L268" class="LineNr">268 </span>    <span class="subxS1Comment"># . end</span>
<span id="L269" class="LineNr">269 </span>    c3/return
<span id="L270" class="LineNr">270 </span>
<span id="L271" class="LineNr">271 </span><span class="subxComment"># Return next byte value in eax, with top 3 bytes cleared.</span>
<span id="L272" class="LineNr">272 </span><span class="subxComment"># Abort on reaching end of stream.</span>
<span id="L273" class="LineNr">273 </span><span class="subxFunction">read-byte</span>:  <span class="subxComment"># s: (addr stream byte) -&gt; result/eax: byte</span>
<span id="L274" class="LineNr">274 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L275" class="LineNr">275 </span>    55/push-ebp
<span id="L276" class="LineNr">276 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L277" class="LineNr">277 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L278" class="LineNr">278 </span>    51/push-ecx
<span id="L279" class="LineNr">279 </span>    56/push-esi
<span id="L280" class="LineNr">280 </span>    <span class="subxComment"># esi = s</span>
<span id="L281" class="LineNr">281 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L282" class="LineNr">282 </span>    <span class="subxComment"># ecx = s-&gt;read</span>
<span id="L283" class="LineNr">283 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(esi+4) to ecx</span>
<span id="L284" class="LineNr">284 </span>    <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) abort</span>
<span id="L285" class="LineNr">285 </span>    3b/compare                      0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare ecx with *esi</span>
<span id="L286" class="LineNr">286 </span>    0f 8d/jump-if-&gt;=  $read-byte:abort/disp32
<span id="L287" class="LineNr">287 </span>    <span class="subxComment"># result = f-&gt;data[f-&gt;read]</span>
<span id="L288" class="LineNr">288 </span>    31/xor                          3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># clear eax</span>
<span id="L289" class="LineNr">289 </span>    8a/copy-byte                    1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/AL    0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *(esi+ecx+12) to AL</span>
<span id="L290" class="LineNr">290 </span>    <span class="subxComment"># ++f-&gt;read</span>
<span id="L291" class="LineNr">291 </span>    ff          0/subop/increment   1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># increment *(esi+4)</span>
<span id="L292" class="LineNr">292 </span><span class="Constant">$read-byte:end</span>:
<span id="L293" class="LineNr">293 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L294" class="LineNr">294 </span>    5e/pop-to-esi
<span id="L295" class="LineNr">295 </span>    59/pop-to-ecx
<span id="L296" class="LineNr">296 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L297" class="LineNr">297 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L298" class="LineNr">298 </span>    5d/pop-to-ebp
<span id="L299" class="LineNr">299 </span>    c3/return
<span id="L300" class="LineNr">300 </span>
<span id="L301" class="LineNr">301 </span><span class="Constant">$read-byte:abort</span>:
<span id="L302" class="LineNr">302 </span>    <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L303" class="LineNr">303 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L304" class="LineNr">304 </span>    68/push  <span class="Constant">&quot;read-byte: empty stream\n&quot;</span>/imm32
<span id="L305" class="LineNr">305 </span>    68/push  2/imm32/stderr
<span id="L306" class="LineNr">306 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L307" class="LineNr">307 </span>    e8/call  <a href='101_write.subx.html#L12'>_write</a>/disp32
<span id="L308" class="LineNr">308 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L309" class="LineNr">309 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L310" class="LineNr">310 </span>    <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L311" class="LineNr">311 </span>    bb/copy-to-ebx  1/imm32
<span id="L312" class="LineNr">312 </span>    e8/call  syscall_exit/disp32
<span id="L313" class="LineNr">313 </span>    <span class="subxComment"># never gets here</span>
<span id="L314" class="LineNr">314 </span>
<span id="L315" class="LineNr">315 </span>== data
<span id="L316" class="LineNr">316 </span>
<span id="L317" class="LineNr">317 </span><span class="subxComment"># a test buffered file for _test-stream</span>
<span id="L318" class="LineNr">318 </span><span class="subxMinorFunction">_test-buffered-file</span>:  <span class="subxComment"># buffered-file</span>
<span id="L319" class="LineNr">319 </span>    <span class="subxComment"># file descriptor or (addr stream byte)</span>
<span id="L320" class="LineNr">320 </span>    <a href='108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L321" class="LineNr">321 </span><span class="Constant">$_test-buffered-file-&gt;buffer</span>:
<span id="L322" class="LineNr">322 </span>    <span class="subxComment"># current write index</span>
<span id="L323" class="LineNr">323 </span>    0/imm32
<span id="L324" class="LineNr">324 </span>    <span class="subxComment"># current read index</span>
<span id="L325" class="LineNr">325 </span>    0/imm32
<span id="L326" class="LineNr">326 </span>    <span class="subxComment"># size</span>
<span id="L327" class="LineNr">327 </span>    6/imm32
<span id="L328" class="LineNr">328 </span>    <span class="subxComment"># data</span>
<span id="L329" class="LineNr">329 </span>    00 00 00 00 00 00  <span class="subxComment"># 6 bytes</span>
<span id="L330" class="LineNr">330 </span>
<span id="L331" class="LineNr">331 </span><span class="subxMinorFunction">_test-input-stream</span>:  <span class="subxComment"># (stream byte)</span>
<span id="L332" class="LineNr">332 </span>    <span class="subxComment"># current write index</span>
<span id="L333" class="LineNr">333 </span>    0/imm32
<span id="L334" class="LineNr">334 </span>    <span class="subxComment"># current read index</span>
<span id="L335" class="LineNr">335 </span>    0/imm32
<span id="L336" class="LineNr">336 </span>    <span class="subxComment"># size</span>
<span id="L337" class="LineNr">337 </span>    0x400/imm32  <span class="subxComment"># 1024 bytes</span>
<span id="L338" class="LineNr">338 </span>    <span class="subxComment"># data (64 lines x 16 bytes/line)</span>
<span id="L339" class="LineNr">339 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L340" class="LineNr">340 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L341" class="LineNr">341 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L342" class="LineNr">342 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L343" class="LineNr">343 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L344" class="LineNr">344 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L345" class="LineNr">345 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L346" class="LineNr">346 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L347" class="LineNr">347 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L348" class="LineNr">348 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L349" class="LineNr">349 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L350" class="LineNr">350 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L351" class="LineNr">351 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L352" class="LineNr">352 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L353" class="LineNr">353 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L354" class="LineNr">354 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L355" class="LineNr">355 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L356" class="LineNr">356 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L357" class="LineNr">357 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L358" class="LineNr">358 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L359" class="LineNr">359 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L360" class="LineNr">360 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L361" class="LineNr">361 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L362" class="LineNr">362 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L363" class="LineNr">363 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L364" class="LineNr">364 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L365" class="LineNr">365 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L366" class="LineNr">366 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L367" class="LineNr">367 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L368" class="LineNr">368 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L369" class="LineNr">369 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L370" class="LineNr">370 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L371" class="LineNr">371 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L372" class="LineNr">372 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L373" class="LineNr">373 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L374" class="LineNr">374 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L375" class="LineNr">375 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L376" class="LineNr">376 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L377" class="LineNr">377 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L378" class="LineNr">378 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L379" class="LineNr">379 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L380" class="LineNr">380 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L381" class="LineNr">381 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L382" class="LineNr">382 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L383" class="LineNr">383 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L384" class="LineNr">384 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L385" class="LineNr">385 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L386" class="LineNr">386 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L387" class="LineNr">387 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L388" class="LineNr">388 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L389" class="LineNr">389 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L390" class="LineNr">390 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L391" class="LineNr">391 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L392" class="LineNr">392 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L393" class="LineNr">393 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L394" class="LineNr">394 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L395" class="LineNr">395 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L396" class="LineNr">396 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L397" class="LineNr">397 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L398" class="LineNr">398 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L399" class="LineNr">399 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L400" class="LineNr">400 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L401" class="LineNr">401 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L402" class="LineNr">402 </span>    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
<span id="L403" class="LineNr">403 </span>
<span id="L404" class="LineNr">404 </span><span class="subxComment"># a test buffered file for _test-input-stream</span>
<span id="L405" class="LineNr">405 </span><span class="subxMinorFunction">_test-input-buffered-file</span>:  <span class="subxComment"># buffered-file</span>
<span id="L406" class="LineNr">406 </span>    <span class="subxComment"># file descriptor or (addr stream byte)</span>
<span id="L407" class="LineNr">407 </span>    <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L408" class="LineNr">408 </span><span class="Constant">$_test-input-buffered-file-&gt;buffer</span>:
<span id="L409" class="LineNr">409 </span>    <span class="subxComment"># current write index</span>
<span id="L410" class="LineNr">410 </span>    0/imm32
<span id="L411" class="LineNr">411 </span>    <span class="subxComment"># current read index</span>
<span id="L412" class="LineNr">412 </span>    0/imm32
<span id="L413" class="LineNr">413 </span>    <span class="subxComment"># size</span>
<span id="L414" class="LineNr">414 </span>    6/imm32
<span id="L415" class="LineNr">415 </span>    <span class="subxComment"># data</span>
<span id="L416" class="LineNr">416 </span>    00 00 00 00 00 00  <span class="subxComment"># 6 bytes</span>
<span id="L417" class="LineNr">417 </span>
<span id="L418" class="LineNr">418 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->