http://wiki.sierrahelp.com/index.php?action=history&feed=atom&title=VectSysTimer 2026-11-13T11:39:56Z Revision history for this page on the wiki MediaWiki 1.43.0 http://wiki.sierrahelp.com/index.php?title=VectSysTimer&diff=73405&oldid=prev 2025-02-16T21:15:50Z

<p>2 revisions imported</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:15, 16 February 2025</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Andrew Branscom http://wiki.sierrahelp.com/index.php?title=VectSysTimer&diff=73404&oldid=prev 2024-06-03T05:20:01Z

<p>1 revision imported</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:20, 3 June 2024</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Andrew Branscom http://wiki.sierrahelp.com/index.php?title=VectSysTimer&diff=73403&oldid=prev 2022-01-28T19:43:38Z

<p></p> <p><b>New page</b></p><div>[[Category:AGI Pages]]<br /> [[File:sys_timer.txt]]<br /> <br /> &lt;pre&gt;<br /> ;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ<br /> <br /> ; S u b r o u t i n e<br /> <br /> VectSysTimer proc near ; DATA XREF: _InstallVectors+B4�o<br /> cli <br /> push ax<br /> push bx<br /> push cx<br /> push dx<br /> push si<br /> push di<br /> push bp<br /> push ds<br /> push es<br /> mov ax, dseg<br /> mov ds, ax<br /> mov es, ax<br /> call _DoClock<br /> pushf <br /> call dword ptr SysTimerTickOff<br /> mov si, wStackTopPtr<br /> cmp word ptr [si], 0AAAAh<br /> jz loc_cseg_84B6<br /> mov word ptr [si], 0AAAAh<br /> mov bx, sp<br /> mov word ptr [bx+12h], offset loc_cseg_84C1<br /> mov [bx+14h], cs<br /> <br /> loc_cseg_84B6: ; CODE XREF: VectSysTimer+21�j<br /> pop es<br /> pop ds<br /> pop bp<br /> pop di<br /> pop si<br /> pop dx<br /> pop cx<br /> pop bx<br /> pop ax<br /> sti <br /> iret <br /> ;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ<br /> <br /> loc_cseg_84C1: ; DATA XREF: VectSysTimer+29�o<br /> mov ax, dseg<br /> mov ds, ax<br /> mov es, ax<br /> mov ax, wStackTopPtr<br /> add ax, 0A00h<br /> mov sp, ax<br /> call _BeepSpeaker<br /> call _BeepSpeaker<br /> push ax<br /> lea ax, aStackBlown_Pre<br /> mov [bp-2], ax<br /> pop ax<br /> push word ptr [bp-2]<br /> call _MessageBox<br /> add sp, 2<br /> <br /> loc_cseg_84E8: ; CODE XREF: VectSysTimer+69�j<br /> call _ReadBIOSBuff<br /> cmp ax, 1Bh ; wait for ESC<br /> jnz loc_cseg_84E8<br /> call _Finish<br /> <br /> VectDefault: ; DATA XREF: _InstallVectors+7A�o<br /> iret ; default vector.. return!<br /> VectSysTimer endp<br /> &lt;/pre&gt;<br /> <br /> &amp;nbsp;<br /> <br /> [[Category:AGI Picture Resources]]</div>

Andrew Branscom