diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-11-28 00:36:58 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-11-28 00:37:26 -0800 |
| commit | 3a7da4e735247daaafe0f715bd2de4fb21e44e3d (patch) | |
| tree | 6ea82a8fade1c070ae3d87a1eade8fa997b2f4ad /html | |
| parent | 0d741834f32b0de538cfabc93a00401382f334d2 (diff) | |
| download | mu-3a7da4e735247daaafe0f715bd2de4fb21e44e3d.tar.gz | |
5769 - support uppercase hex in SubX
Diffstat (limited to 'html')
| -rw-r--r-- | html/067parse-hex.subx.html | 454 |
1 files changed, 229 insertions, 225 deletions
diff --git a/html/067parse-hex.subx.html b/html/067parse-hex.subx.html index 91db9840..4b0b94f5 100644 --- a/html/067parse-hex.subx.html +++ b/html/067parse-hex.subx.html @@ -467,7 +467,7 @@ if ('onhashchange' in window) { <span id="L407" class="LineNr">407 </span> <span class="subxS2Comment"># . . copy arg to eax</span> <span id="L408" class="LineNr">408 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ecx to AL</span> <span id="L409" class="LineNr">409 </span> <span class="subxS2Comment"># . . call</span> -<span id="L410" class="LineNr">410 </span> e8/call <a href='067parse-hex.subx.html#L797'>from-hex-char</a>/disp32 +<span id="L410" class="LineNr">410 </span> e8/call <a href='067parse-hex.subx.html#L801'>from-hex-char</a>/disp32 <span id="L411" class="LineNr">411 </span> <span class="subxComment"># result = result * 16 + eax</span> <span id="L412" class="LineNr">412 </span> c1/shift 4/subop/left 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift ebx left by 4 bits</span> <span id="L413" class="LineNr">413 </span> 01/add 3/mod/direct 3/rm32/ebx <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"># add eax to ebx</span> @@ -704,232 +704,236 @@ if ('onhashchange' in window) { <span id="L644" class="LineNr">644 </span> <span class="subxComment"># ecx = c</span> <span id="L645" class="LineNr">645 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <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 *(ebp+8) to ecx</span> <span id="L646" class="LineNr">646 </span> <span class="subxComment"># return false if c < '0'</span> -<span id="L647" class="LineNr">647 </span> b8/copy-to-eax 0/imm32/false -<span id="L648" class="LineNr">648 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32 <span class="subxComment"># compare ecx</span> -<span id="L649" class="LineNr">649 </span> 7c/jump-if-lesser $is-hex-digit?:end/disp8 -<span id="L650" class="LineNr">650 </span> <span class="subxComment"># return false if c > 'f'</span> -<span id="L651" class="LineNr">651 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x66/imm32 <span class="subxComment"># compare ecx</span> -<span id="L652" class="LineNr">652 </span> 7f/jump-if-greater $is-hex-digit?:end/disp8 -<span id="L653" class="LineNr">653 </span> <span class="subxComment"># return true if c <= '9'</span> -<span id="L654" class="LineNr">654 </span> b8/copy-to-eax 1/imm32/true -<span id="L655" class="LineNr">655 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x39/imm32 <span class="subxComment"># compare ecx</span> -<span id="L656" class="LineNr">656 </span> 7e/jump-if-lesser-or-equal $is-hex-digit?:end/disp8 +<span id="L647" class="LineNr">647 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32 <span class="subxComment"># compare ecx</span> +<span id="L648" class="LineNr">648 </span> 7c/jump-if-lesser $is-hex-digit?:false/disp8 +<span id="L649" class="LineNr">649 </span> <span class="subxComment"># return true if c <= '9'</span> +<span id="L650" class="LineNr">650 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x39/imm32 <span class="subxComment"># compare ecx</span> +<span id="L651" class="LineNr">651 </span> 7e/jump-if-lesser-or-equal $is-hex-digit?:true/disp8 +<span id="L652" class="LineNr">652 </span> <span class="subxComment"># drop case</span> +<span id="L653" class="LineNr">653 </span> 25/and-eax-with 0x5f/imm32 +<span id="L654" class="LineNr">654 </span> <span class="subxComment"># return false if c > 'f'</span> +<span id="L655" class="LineNr">655 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x66/imm32 <span class="subxComment"># compare ecx</span> +<span id="L656" class="LineNr">656 </span> 7f/jump-if-greater $is-hex-digit?:false/disp8 <span id="L657" class="LineNr">657 </span> <span class="subxComment"># return true if c >= 'a'</span> <span id="L658" class="LineNr">658 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x61/imm32 <span class="subxComment"># compare ecx</span> -<span id="L659" class="LineNr">659 </span> 7d/jump-if-greater-or-equal $is-hex-digit?:end/disp8 -<span id="L660" class="LineNr">660 </span> <span class="subxComment"># otherwise return false</span> -<span id="L661" class="LineNr">661 </span> b8/copy-to-eax 0/imm32/false -<span id="L662" class="LineNr">662 </span><span class="Constant">$is-hex-digit?:end</span>: -<span id="L663" class="LineNr">663 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L664" class="LineNr">664 </span> 59/pop-to-ecx -<span id="L665" class="LineNr">665 </span> <span class="subxS1Comment"># . epilogue</span> -<span id="L666" class="LineNr">666 </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="L667" class="LineNr">667 </span> 5d/pop-to-ebp -<span id="L668" class="LineNr">668 </span> c3/return -<span id="L669" class="LineNr">669 </span> -<span id="L670" class="LineNr">670 </span><span class="subxTest">test-hex-below-0</span>: -<span id="L671" class="LineNr">671 </span> <span class="subxComment"># eax = is-hex-digit?(0x2f)</span> -<span id="L672" class="LineNr">672 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L673" class="LineNr">673 </span> 68/push 0x2f/imm32 -<span id="L674" class="LineNr">674 </span> <span class="subxS2Comment"># . . call</span> -<span id="L675" class="LineNr">675 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L676" class="LineNr">676 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L677" class="LineNr">677 </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="L678" class="LineNr">678 </span> <span class="subxComment"># check-ints-equal(eax, 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">"F - test-hex-below-0"</span>/imm32 -<span id="L681" class="LineNr">681 </span> 68/push 0/imm32/false -<span id="L682" class="LineNr">682 </span> 50/push-eax -<span id="L683" class="LineNr">683 </span> <span class="subxS2Comment"># . . call</span> -<span id="L684" class="LineNr">684 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/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="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="L687" class="LineNr">687 </span> c3/return -<span id="L688" class="LineNr">688 </span> -<span id="L689" class="LineNr">689 </span><span class="subxTest">test-hex-0-to-9</span>: -<span id="L690" class="LineNr">690 </span> <span class="subxComment"># eax = is-hex-digit?(0x30)</span> -<span id="L691" class="LineNr">691 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L692" class="LineNr">692 </span> 68/push 0x30/imm32 -<span id="L693" class="LineNr">693 </span> <span class="subxS2Comment"># . . call</span> -<span id="L694" class="LineNr">694 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L695" class="LineNr">695 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L696" class="LineNr">696 </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="L697" class="LineNr">697 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> -<span id="L698" class="LineNr">698 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L699" class="LineNr">699 </span> 68/push <span class="Constant">"F - test-hex-at-0"</span>/imm32 -<span id="L700" class="LineNr">700 </span> 68/push 1/imm32/true -<span id="L701" class="LineNr">701 </span> 50/push-eax -<span id="L702" class="LineNr">702 </span> <span class="subxS2Comment"># . . call</span> -<span id="L703" class="LineNr">703 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L704" class="LineNr">704 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L705" class="LineNr">705 </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="L706" class="LineNr">706 </span> <span class="subxComment"># eax = is-hex-digit?(0x39)</span> -<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L708" class="LineNr">708 </span> 68/push 0x39/imm32 -<span id="L709" class="LineNr">709 </span> <span class="subxS2Comment"># . . call</span> -<span id="L710" class="LineNr">710 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L711" class="LineNr">711 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L712" class="LineNr">712 </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="L713" class="LineNr">713 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> -<span id="L714" class="LineNr">714 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L715" class="LineNr">715 </span> 68/push <span class="Constant">"F - test-hex-at-9"</span>/imm32 -<span id="L716" class="LineNr">716 </span> 68/push 1/imm32/true -<span id="L717" class="LineNr">717 </span> 50/push-eax -<span id="L718" class="LineNr">718 </span> <span class="subxS2Comment"># . . call</span> -<span id="L719" class="LineNr">719 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L720" class="LineNr">720 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L721" class="LineNr">721 </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="L722" class="LineNr">722 </span> c3/return -<span id="L723" class="LineNr">723 </span> -<span id="L724" class="LineNr">724 </span><span class="subxTest">test-hex-above-9-to-a</span>: -<span id="L725" class="LineNr">725 </span> <span class="subxComment"># eax = is-hex-digit?(0x3a)</span> -<span id="L726" class="LineNr">726 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L727" class="LineNr">727 </span> 68/push 0x3a/imm32 -<span id="L728" class="LineNr">728 </span> <span class="subxS2Comment"># . . call</span> -<span id="L729" class="LineNr">729 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L730" class="LineNr">730 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L731" class="LineNr">731 </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="L732" class="LineNr">732 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> -<span id="L733" class="LineNr">733 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L734" class="LineNr">734 </span> 68/push <span class="Constant">"F - test-hex-above-9-to-a"</span>/imm32 -<span id="L735" class="LineNr">735 </span> 68/push 0/imm32/false -<span id="L736" class="LineNr">736 </span> 50/push-eax -<span id="L737" class="LineNr">737 </span> <span class="subxS2Comment"># . . call</span> -<span id="L738" class="LineNr">738 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L739" class="LineNr">739 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L740" class="LineNr">740 </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="L741" class="LineNr">741 </span> c3/return -<span id="L742" class="LineNr">742 </span> -<span id="L743" class="LineNr">743 </span><span class="subxTest">test-hex-a-to-f</span>: -<span id="L744" class="LineNr">744 </span> <span class="subxComment"># eax = is-hex-digit?(0x61)</span> -<span id="L745" class="LineNr">745 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L746" class="LineNr">746 </span> 68/push 0x61/imm32 -<span id="L747" class="LineNr">747 </span> <span class="subxS2Comment"># . . call</span> -<span id="L748" class="LineNr">748 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L749" class="LineNr">749 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L750" class="LineNr">750 </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="L751" class="LineNr">751 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> -<span id="L752" class="LineNr">752 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L753" class="LineNr">753 </span> 68/push <span class="Constant">"F - test-hex-at-a"</span>/imm32 -<span id="L754" class="LineNr">754 </span> 68/push 1/imm32/true -<span id="L755" class="LineNr">755 </span> 50/push-eax -<span id="L756" class="LineNr">756 </span> <span class="subxS2Comment"># . . call</span> -<span id="L757" class="LineNr">757 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L758" class="LineNr">758 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L759" class="LineNr">759 </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="L760" class="LineNr">760 </span> <span class="subxComment"># eax = is-hex-digit?(0x66)</span> -<span id="L761" class="LineNr">761 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L762" class="LineNr">762 </span> 68/push 0x66/imm32 -<span id="L763" class="LineNr">763 </span> <span class="subxS2Comment"># . . call</span> -<span id="L764" class="LineNr">764 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L765" class="LineNr">765 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L766" class="LineNr">766 </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="L767" class="LineNr">767 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> -<span id="L768" class="LineNr">768 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L769" class="LineNr">769 </span> 68/push <span class="Constant">"F - test-hex-at-f"</span>/imm32 -<span id="L770" class="LineNr">770 </span> 68/push 1/imm32/true -<span id="L771" class="LineNr">771 </span> 50/push-eax -<span id="L772" class="LineNr">772 </span> <span class="subxS2Comment"># . . call</span> -<span id="L773" class="LineNr">773 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L774" class="LineNr">774 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L775" class="LineNr">775 </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="L776" class="LineNr">776 </span> c3/return -<span id="L777" class="LineNr">777 </span> -<span id="L778" class="LineNr">778 </span><span class="subxTest">test-hex-above-f</span>: -<span id="L779" class="LineNr">779 </span> <span class="subxComment"># eax = is-hex-digit?(0x67)</span> -<span id="L780" class="LineNr">780 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L781" class="LineNr">781 </span> 68/push 0x67/imm32 -<span id="L782" class="LineNr">782 </span> <span class="subxS2Comment"># . . call</span> -<span id="L783" class="LineNr">783 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 -<span id="L784" class="LineNr">784 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L785" class="LineNr">785 </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="L786" class="LineNr">786 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> -<span id="L787" class="LineNr">787 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L788" class="LineNr">788 </span> 68/push <span class="Constant">"F - test-hex-above-f"</span>/imm32 -<span id="L789" class="LineNr">789 </span> 68/push 0/imm32/false -<span id="L790" class="LineNr">790 </span> 50/push-eax -<span id="L791" class="LineNr">791 </span> <span class="subxS2Comment"># . . call</span> -<span id="L792" class="LineNr">792 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L793" class="LineNr">793 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L794" class="LineNr">794 </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="L795" class="LineNr">795 </span> c3/return -<span id="L796" class="LineNr">796 </span> -<span id="L797" class="LineNr">797 </span><span class="subxFunction">from-hex-char</span>: <span class="subxComment"># in/eax : byte -> out/eax : nibble</span> -<span id="L798" class="LineNr">798 </span><span class="Constant">$from-hex-char:check0</span>: -<span id="L799" class="LineNr">799 </span> <span class="subxComment"># if (eax < '0') goto abort</span> -<span id="L800" class="LineNr">800 </span> 3d/compare-eax-with 0x30/imm32/0 -<span id="L801" class="LineNr">801 </span> 7c/jump-if-lesser $from-hex-char:abort/disp8 -<span id="L802" class="LineNr">802 </span><span class="Constant">$from-hex-char:check1</span>: -<span id="L803" class="LineNr">803 </span> <span class="subxComment"># if (eax > 'f') goto abort</span> -<span id="L804" class="LineNr">804 </span> 3d/compare-eax-with 0x66/imm32/f -<span id="L805" class="LineNr">805 </span> 7f/jump-if-greater $from-hex-char:abort/disp8 -<span id="L806" class="LineNr">806 </span><span class="Constant">$from-hex-char:check2</span>: -<span id="L807" class="LineNr">807 </span> <span class="subxComment"># if (eax > '9') goto next check</span> -<span id="L808" class="LineNr">808 </span> 3d/compare-eax-with 0x39/imm32/9 -<span id="L809" class="LineNr">809 </span> 7f/jump-if-greater $from-hex-char:check3/disp8 -<span id="L810" class="LineNr">810 </span><span class="Constant">$from-hex-char:digit</span>: -<span id="L811" class="LineNr">811 </span> <span class="subxComment"># return eax - '0'</span> -<span id="L812" class="LineNr">812 </span> 2d/subtract-from-eax 0x30/imm32/0 -<span id="L813" class="LineNr">813 </span> c3/return -<span id="L814" class="LineNr">814 </span><span class="Constant">$from-hex-char:check3</span>: -<span id="L815" class="LineNr">815 </span> <span class="subxComment"># if (eax < 'a') goto abort</span> -<span id="L816" class="LineNr">816 </span> 3d/compare-eax-with 0x61/imm32/a -<span id="L817" class="LineNr">817 </span> 7c/jump-if-lesser $from-hex-char:abort/disp8 -<span id="L818" class="LineNr">818 </span><span class="Constant">$from-hex-char:letter</span>: -<span id="L819" class="LineNr">819 </span> <span class="subxComment"># return eax - ('a'-10)</span> -<span id="L820" class="LineNr">820 </span> 2d/subtract-from-eax 0x57/imm32/a-10 -<span id="L821" class="LineNr">821 </span> c3/return -<span id="L822" class="LineNr">822 </span> -<span id="L823" class="LineNr">823 </span><span class="Constant">$from-hex-char:abort</span>: -<span id="L824" class="LineNr">824 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> -<span id="L825" class="LineNr">825 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L826" class="LineNr">826 </span> 68/push <span class="Constant">"invalid hex char: "</span>/imm32 -<span id="L827" class="LineNr">827 </span> 68/push 2/imm32/stderr -<span id="L828" class="LineNr">828 </span> <span class="subxS2Comment"># . . call</span> -<span id="L829" class="LineNr">829 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L830" class="LineNr">830 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L831" class="LineNr">831 </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="L832" class="LineNr">832 </span> <span class="subxS1Comment"># . clear-stream(Stderr->buffer)</span> -<span id="L833" class="LineNr">833 </span> <span class="subxS2Comment"># . . save eax</span> -<span id="L834" class="LineNr">834 </span> 50/push-eax -<span id="L835" class="LineNr">835 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L836" class="LineNr">836 </span> 68/push <a href='065write-buffered.subx.html#L212'>Stderr->buffer</a>/imm32 -<span id="L837" class="LineNr">837 </span> <span class="subxS2Comment"># . . call</span> -<span id="L838" class="LineNr">838 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 -<span id="L839" class="LineNr">839 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L840" class="LineNr">840 </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="L841" class="LineNr">841 </span> <span class="subxS2Comment"># . . restore eax</span> -<span id="L842" class="LineNr">842 </span> 58/pop-to-eax -<span id="L843" class="LineNr">843 </span> <span class="subxS1Comment"># . print-int32-buffered(Stderr, eax)</span> -<span id="L844" class="LineNr">844 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L845" class="LineNr">845 </span> 50/push-eax -<span id="L846" class="LineNr">846 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32 -<span id="L847" class="LineNr">847 </span> <span class="subxS2Comment"># . . call</span> -<span id="L848" class="LineNr">848 </span> e8/call <a href='066print-int.subx.html#L265'>print-int32-buffered</a>/disp32 -<span id="L849" class="LineNr">849 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L850" class="LineNr">850 </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="L851" class="LineNr">851 </span> <span class="subxS1Comment"># . flush(Stderr)</span> -<span id="L852" class="LineNr">852 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L853" class="LineNr">853 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32 -<span id="L854" class="LineNr">854 </span> <span class="subxS2Comment"># . . call</span> -<span id="L855" class="LineNr">855 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</a>/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="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="L858" class="LineNr">858 </span> <span class="subxS1Comment"># . _write(2/stderr, "\n")</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="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L861" class="LineNr">861 </span> 68/push 2/imm32/stderr -<span id="L862" class="LineNr">862 </span> <span class="subxS2Comment"># . . call</span> -<span id="L863" class="LineNr">863 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L864" class="LineNr">864 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L865" class="LineNr">865 </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="L866" class="LineNr">866 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> -<span id="L867" class="LineNr">867 </span> bb/copy-to-ebx 1/imm32 -<span id="L868" class="LineNr">868 </span> b8/copy-to-eax 1/imm32/exit -<span id="L869" class="LineNr">869 </span> cd/syscall 0x80/imm8 -<span id="L870" class="LineNr">870 </span> <span class="subxComment"># never gets here</span> -<span id="L871" class="LineNr">871 </span> -<span id="L872" class="LineNr">872 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L659" class="LineNr">659 </span> 7d/jump-if-greater-or-equal $is-hex-digit?:true/disp8 +<span id="L660" class="LineNr">660 </span><span class="Constant">$is-hex-digit?:false</span>: +<span id="L661" class="LineNr">661 </span> <span class="subxComment"># otherwise return false</span> +<span id="L662" class="LineNr">662 </span> b8/copy-to-eax 0/imm32/false +<span id="L663" class="LineNr">663 </span> eb/jump $is-hex-digit?:end/disp8 +<span id="L664" class="LineNr">664 </span><span class="Constant">$is-hex-digit?:true</span>: +<span id="L665" class="LineNr">665 </span> b8/copy-to-eax 1/imm32/true +<span id="L666" class="LineNr">666 </span><span class="Constant">$is-hex-digit?:end</span>: +<span id="L667" class="LineNr">667 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L668" class="LineNr">668 </span> 59/pop-to-ecx +<span id="L669" class="LineNr">669 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L670" class="LineNr">670 </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="L671" class="LineNr">671 </span> 5d/pop-to-ebp +<span id="L672" class="LineNr">672 </span> c3/return +<span id="L673" class="LineNr">673 </span> +<span id="L674" class="LineNr">674 </span><span class="subxTest">test-hex-below-0</span>: +<span id="L675" class="LineNr">675 </span> <span class="subxComment"># eax = is-hex-digit?(0x2f)</span> +<span id="L676" class="LineNr">676 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L677" class="LineNr">677 </span> 68/push 0x2f/imm32 +<span id="L678" class="LineNr">678 </span> <span class="subxS2Comment"># . . call</span> +<span id="L679" class="LineNr">679 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 +<span id="L680" class="LineNr">680 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L681" class="LineNr">681 </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="L682" class="LineNr">682 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L683" class="LineNr">683 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L684" class="LineNr">684 </span> 68/push <span class="Constant">"F - test-hex-below-0"</span>/imm32 +<span id="L685" class="LineNr">685 </span> 68/push 0/imm32/false +<span id="L686" class="LineNr">686 </span> 50/push-eax +<span id="L687" class="LineNr">687 </span> <span class="subxS2Comment"># . . call</span> +<span id="L688" class="LineNr">688 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L689" class="LineNr">689 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L690" class="LineNr">690 </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="L691" class="LineNr">691 </span> c3/return +<span id="L692" class="LineNr">692 </span> +<span id="L693" class="LineNr">693 </span><span class="subxTest">test-hex-0-to-9</span>: +<span id="L694" class="LineNr">694 </span> <span class="subxComment"># eax = is-hex-digit?(0x30)</span> +<span id="L695" class="LineNr">695 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L696" class="LineNr">696 </span> 68/push 0x30/imm32 +<span id="L697" class="LineNr">697 </span> <span class="subxS2Comment"># . . call</span> +<span id="L698" class="LineNr">698 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 +<span id="L699" class="LineNr">699 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L700" class="LineNr">700 </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="L701" class="LineNr">701 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L702" class="LineNr">702 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L703" class="LineNr">703 </span> 68/push <span class="Constant">"F - test-hex-at-0"</span>/imm32 +<span id="L704" class="LineNr">704 </span> 68/push 1/imm32/true +<span id="L705" class="LineNr">705 </span> 50/push-eax +<span id="L706" class="LineNr">706 </span> <span class="subxS2Comment"># . . call</span> +<span id="L707" class="LineNr">707 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L708" class="LineNr">708 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L709" class="LineNr">709 </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="L710" class="LineNr">710 </span> <span class="subxComment"># eax = is-hex-digit?(0x39)</span> +<span id="L711" class="LineNr">711 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L712" class="LineNr">712 </span> 68/push 0x39/imm32 +<span id="L713" class="LineNr">713 </span> <span class="subxS2Comment"># . . call</span> +<span id="L714" class="LineNr">714 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 +<span id="L715" class="LineNr">715 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L716" class="LineNr">716 </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="L717" class="LineNr">717 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L718" class="LineNr">718 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L719" class="LineNr">719 </span> 68/push <span class="Constant">"F - test-hex-at-9"</span>/imm32 +<span id="L720" class="LineNr">720 </span> 68/push 1/imm32/true +<span id="L721" class="LineNr">721 </span> 50/push-eax +<span id="L722" class="LineNr">722 </span> <span class="subxS2Comment"># . . call</span> +<span id="L723" class="LineNr">723 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L724" class="LineNr">724 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L725" class="LineNr">725 </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="L726" class="LineNr">726 </span> c3/return +<span id="L727" class="LineNr">727 </span> +<span id="L728" class="LineNr">728 </span><span class="subxTest">test-hex-above-9-to-a</span>: +<span id="L729" class="LineNr">729 </span> <span class="subxComment"># eax = is-hex-digit?(0x3a)</span> +<span id="L730" class="LineNr">730 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L731" class="LineNr">731 </span> 68/push 0x3a/imm32 +<span id="L732" class="LineNr">732 </span> <span class="subxS2Comment"># . . call</span> +<span id="L733" class="LineNr">733 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/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="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="L736" class="LineNr">736 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</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">"F - test-hex-above-9-to-a"</span>/imm32 +<span id="L739" class="LineNr">739 </span> 68/push 0/imm32/false +<span id="L740" class="LineNr">740 </span> 50/push-eax +<span id="L741" class="LineNr">741 </span> <span class="subxS2Comment"># . . call</span> +<span id="L742" class="LineNr">742 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/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="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="L745" class="LineNr">745 </span> c3/return +<span id="L746" class="LineNr">746 </span> +<span id="L747" class="LineNr">747 </span><span class="subxTest">test-hex-a-to-f</span>: +<span id="L748" class="LineNr">748 </span> <span class="subxComment"># eax = is-hex-digit?(0x61)</span> +<span id="L749" class="LineNr">749 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L750" class="LineNr">750 </span> 68/push 0x61/imm32 +<span id="L751" class="LineNr">751 </span> <span class="subxS2Comment"># . . call</span> +<span id="L752" class="LineNr">752 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 +<span id="L753" class="LineNr">753 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L754" class="LineNr">754 </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="L755" class="LineNr">755 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span> +<span id="L756" class="LineNr">756 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L757" class="LineNr">757 </span> 68/push <span class="Constant">"F - test-hex-at-a"</span>/imm32 +<span id="L758" class="LineNr">758 </span> 68/push 1/imm32/true +<span id="L759" class="LineNr">759 </span> 50/push-eax +<span id="L760" class="LineNr">760 </span> <span class="subxS2Comment"># . . call</span> +<span id="L761" class="LineNr">761 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L762" class="LineNr">762 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L763" class="LineNr">763 </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="L764" class="LineNr">764 </span> <span class="subxComment"># eax = is-hex-digit?(0x66)</span> +<span id="L765" class="LineNr">765 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L766" class="LineNr">766 </span> 68/push 0x66/imm32 +<span id="L767" class="LineNr">767 </span> <span class="subxS2Comment"># . . call</span> +<span id="L768" class="LineNr">768 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 +<span id="L769" class="LineNr">769 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L770" class="LineNr">770 </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="L771" class="LineNr">771 </span> <span class="subxComment"># check-ints-equal(eax, 1, 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">"F - test-hex-at-f"</span>/imm32 +<span id="L774" class="LineNr">774 </span> 68/push 1/imm32/true +<span id="L775" class="LineNr">775 </span> 50/push-eax +<span id="L776" class="LineNr">776 </span> <span class="subxS2Comment"># . . call</span> +<span id="L777" class="LineNr">777 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/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="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="L780" class="LineNr">780 </span> c3/return +<span id="L781" class="LineNr">781 </span> +<span id="L782" class="LineNr">782 </span><span class="subxTest">test-hex-above-f</span>: +<span id="L783" class="LineNr">783 </span> <span class="subxComment"># eax = is-hex-digit?(0x67)</span> +<span id="L784" class="LineNr">784 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L785" class="LineNr">785 </span> 68/push 0x67/imm32 +<span id="L786" class="LineNr">786 </span> <span class="subxS2Comment"># . . call</span> +<span id="L787" class="LineNr">787 </span> e8/call <a href='067parse-hex.subx.html#L638'>is-hex-digit?</a>/disp32 +<span id="L788" class="LineNr">788 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L789" class="LineNr">789 </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="L790" class="LineNr">790 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span> +<span id="L791" class="LineNr">791 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L792" class="LineNr">792 </span> 68/push <span class="Constant">"F - test-hex-above-f"</span>/imm32 +<span id="L793" class="LineNr">793 </span> 68/push 0/imm32/false +<span id="L794" class="LineNr">794 </span> 50/push-eax +<span id="L795" class="LineNr">795 </span> <span class="subxS2Comment"># . . call</span> +<span id="L796" class="LineNr">796 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L797" class="LineNr">797 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L798" class="LineNr">798 </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="L799" class="LineNr">799 </span> c3/return +<span id="L800" class="LineNr">800 </span> +<span id="L801" class="LineNr">801 </span><span class="subxFunction">from-hex-char</span>: <span class="subxComment"># in/eax : byte -> out/eax : nibble</span> +<span id="L802" class="LineNr">802 </span><span class="Constant">$from-hex-char:check0</span>: +<span id="L803" class="LineNr">803 </span> <span class="subxComment"># if (eax < '0') goto abort</span> +<span id="L804" class="LineNr">804 </span> 3d/compare-eax-with 0x30/imm32/0 +<span id="L805" class="LineNr">805 </span> 7c/jump-if-lesser $from-hex-char:abort/disp8 +<span id="L806" class="LineNr">806 </span><span class="Constant">$from-hex-char:check1</span>: +<span id="L807" class="LineNr">807 </span> <span class="subxComment"># if (eax > 'f') goto abort</span> +<span id="L808" class="LineNr">808 </span> 3d/compare-eax-with 0x66/imm32/f +<span id="L809" class="LineNr">809 </span> 7f/jump-if-greater $from-hex-char:abort/disp8 +<span id="L810" class="LineNr">810 </span><span class="Constant">$from-hex-char:check2</span>: +<span id="L811" class="LineNr">811 </span> <span class="subxComment"># if (eax > '9') goto next check</span> +<span id="L812" class="LineNr">812 </span> 3d/compare-eax-with 0x39/imm32/9 +<span id="L813" class="LineNr">813 </span> 7f/jump-if-greater $from-hex-char:check3/disp8 +<span id="L814" class="LineNr">814 </span><span class="Constant">$from-hex-char:digit</span>: +<span id="L815" class="LineNr">815 </span> <span class="subxComment"># return eax - '0'</span> +<span id="L816" class="LineNr">816 </span> 2d/subtract-from-eax 0x30/imm32/0 +<span id="L817" class="LineNr">817 </span> c3/return +<span id="L818" class="LineNr">818 </span><span class="Constant">$from-hex-char:check3</span>: +<span id="L819" class="LineNr">819 </span> <span class="subxComment"># if (eax < 'a') goto abort</span> +<span id="L820" class="LineNr">820 </span> 3d/compare-eax-with 0x61/imm32/a +<span id="L821" class="LineNr">821 </span> 7c/jump-if-lesser $from-hex-char:abort/disp8 +<span id="L822" class="LineNr">822 </span><span class="Constant">$from-hex-char:letter</span>: +<span id="L823" class="LineNr">823 </span> <span class="subxComment"># return eax - ('a'-10)</span> +<span id="L824" class="LineNr">824 </span> 2d/subtract-from-eax 0x57/imm32/a-10 +<span id="L825" class="LineNr">825 </span> c3/return +<span id="L826" class="LineNr">826 </span> +<span id="L827" class="LineNr">827 </span><span class="Constant">$from-hex-char:abort</span>: +<span id="L828" class="LineNr">828 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> +<span id="L829" class="LineNr">829 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L830" class="LineNr">830 </span> 68/push <span class="Constant">"invalid hex char: "</span>/imm32 +<span id="L831" class="LineNr">831 </span> 68/push 2/imm32/stderr +<span id="L832" class="LineNr">832 </span> <span class="subxS2Comment"># . . call</span> +<span id="L833" class="LineNr">833 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L834" class="LineNr">834 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L835" class="LineNr">835 </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="L836" class="LineNr">836 </span> <span class="subxS1Comment"># . clear-stream(Stderr->buffer)</span> +<span id="L837" class="LineNr">837 </span> <span class="subxS2Comment"># . . save eax</span> +<span id="L838" class="LineNr">838 </span> 50/push-eax +<span id="L839" class="LineNr">839 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L840" class="LineNr">840 </span> 68/push <a href='065write-buffered.subx.html#L212'>Stderr->buffer</a>/imm32 +<span id="L841" class="LineNr">841 </span> <span class="subxS2Comment"># . . call</span> +<span id="L842" class="LineNr">842 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L843" class="LineNr">843 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L844" class="LineNr">844 </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="L845" class="LineNr">845 </span> <span class="subxS2Comment"># . . restore eax</span> +<span id="L846" class="LineNr">846 </span> 58/pop-to-eax +<span id="L847" class="LineNr">847 </span> <span class="subxS1Comment"># . print-int32-buffered(Stderr, eax)</span> +<span id="L848" class="LineNr">848 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L849" class="LineNr">849 </span> 50/push-eax +<span id="L850" class="LineNr">850 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32 +<span id="L851" class="LineNr">851 </span> <span class="subxS2Comment"># . . call</span> +<span id="L852" class="LineNr">852 </span> e8/call <a href='066print-int.subx.html#L265'>print-int32-buffered</a>/disp32 +<span id="L853" class="LineNr">853 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L854" class="LineNr">854 </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="L855" class="LineNr">855 </span> <span class="subxS1Comment"># . flush(Stderr)</span> +<span id="L856" class="LineNr">856 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L857" class="LineNr">857 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32 +<span id="L858" class="LineNr">858 </span> <span class="subxS2Comment"># . . call</span> +<span id="L859" class="LineNr">859 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</a>/disp32 +<span id="L860" class="LineNr">860 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L861" class="LineNr">861 </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="L862" class="LineNr">862 </span> <span class="subxS1Comment"># . _write(2/stderr, "\n")</span> +<span id="L863" class="LineNr">863 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L864" class="LineNr">864 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L865" class="LineNr">865 </span> 68/push 2/imm32/stderr +<span id="L866" class="LineNr">866 </span> <span class="subxS2Comment"># . . call</span> +<span id="L867" class="LineNr">867 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L868" class="LineNr">868 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L869" class="LineNr">869 </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="L870" class="LineNr">870 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L871" class="LineNr">871 </span> bb/copy-to-ebx 1/imm32 +<span id="L872" class="LineNr">872 </span> b8/copy-to-eax 1/imm32/exit +<span id="L873" class="LineNr">873 </span> cd/syscall 0x80/imm8 +<span id="L874" class="LineNr">874 </span> <span class="subxComment"># never gets here</span> +<span id="L875" class="LineNr">875 </span> +<span id="L876" class="LineNr">876 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> |