https://wikiti.brandonw.net/index.php?action=history&feed=atom&title=83%3AROMCalls%3A40B2 2026-05-19T14:35:30Z Revision history for this page on the wiki MediaWiki 1.23.5 https://wikiti.brandonw.net/index.php?title=83:ROMCalls:40B2&diff=3600&oldid=prev 2005-04-14T17:01:12Z

<p>fix link</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 17:01, 14 April 2005</td> </tr><tr><td colspan="2" class="diff-lineno">Line 14:</td> <td colspan="2" class="diff-lineno">Line 14:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* OP1 = -OP1</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* OP1 = -OP1</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* OP2 = -OP2</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* OP2 = -OP2</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* A = ([[83:RAM:8039|OP1)</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* A = ([[83:RAM:8039|OP1<ins class="diffchange diffchange-inline">]]</ins>) <ins class="diffchange diffchange-inline">= OP1 sign byte</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* F = nc, nz if OP1 is negative, z if positive</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* F = nc, nz if OP1 is negative, z if positive</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* BC,DE,HL preserved</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* BC,DE,HL preserved</div></td></tr> </table>

Kalimero https://wikiti.brandonw.net/index.php?title=83:ROMCalls:40B2&diff=1138&oldid=prev 2005-04-14T16:53:09Z

<p></p> <p><b>New page</b></p><div>[[Category:83:ROMCalls:By_Name:FP_Math|InvOP1SC]] [[Category:83:ROMCalls:By_Name|InvOP1SC]] [[Category:83:ROMCalls:By_Address|40B2 - InvOP1SC]]<br /> == Synopsis ==<br /> '''Official Name:''' InvOP1SC<br /> <br /> '''Call Address:''' 40B2<br /> <br /> This routine calls [[83:ROMCalls:40BA|InvOP2S]] and runs through [[83:ROMCalls:40B6|InvOP1S]] inverting the sign of both [[83:RAM:8039|OP1]] and [[83:RAM:8039|OP2]].<br /> <br /> === Inputs ===<br /> * OP1 = floating point number<br /> * OP2 = floating point number<br /> <br /> === Outputs ===<br /> * OP1 = -OP1<br /> * OP2 = -OP2<br /> * A = ([[83:RAM:8039|OP1)<br /> * F = nc, nz if OP1 is negative, z if positive<br /> * BC,DE,HL preserved</div>

Kalimero