<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'> <html xmlns='http://www.w3.org/1999/xhtml'> <head> <title>doc_inner/gnu_global/S/2490.html</title> <meta name='robots' content='noindex,nofollow' /> <meta name='generator' content='GLOBAL-6.6.14' /> <meta http-equiv='Content-Style-Type' content='text/css' /> <link rel='stylesheet' type='text/css' href='../style.css' /> </head> <body> <a id='TOP' name='TOP'></a><h2 class='header'><a href='../mains.html'>root</a>/<a href='../files/8303.html'>doc_inner</a>/<a href='../files/8306.html'>gnu_global</a>/<a href='../files/8311.html'>S</a>/2490.html</h2> <em class='comment'>/* [<][>][^][v][top]<a href='#BOTTOM'>[bottom]</a><a href='../mains.html'>[index]</a><a href='../help.html'>[help]</a> */</em> <hr /> <pre> <a id='L1' name='L1'></a><!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'> <a id='L2' name='L2'></a><html xmlns='http://www.w3.org/1999/xhtml'> <a id='L3' name='L3'></a><head> <a id='L4' name='L4'></a><title>as/misc/mull0.casl</title> <a id='L5' name='L5'></a><meta name='robots' content='noindex,nofollow' /> <a id='L6' name='L6'></a><meta name='generator' content='GLOBAL-6.6.14' /> <a id='L7' name='L7'></a><meta http-equiv='Content-Style-Type' content='text/css' /> <a id='L8' name='L8'></a><link rel='stylesheet' type='text/css' href='../style.css' /> <a id='L9' name='L9'></a></head> <a id='L10' name='L10'></a><body> <a id='L11' name='L11'></a><a id='TOP' name='TOP'></a><h2 class='header'><a href='../mains.html'>root</a>/<a href='../files/2901.html'>as</a>/<a href='../files/2950.html'>misc</a>/mull0.casl</h2> <a id='L12' name='L12'></a><em class='comment'>/* [&lt;][&gt;][^][v][top]<a href='#BOTTOM'>[bottom]</a><a href='../mains.html'>[index]</a><a href='../help.html'>[help]</a> */</em> <a id='L13' name='L13'></a><hr /> <a id='L14' name='L14'></a><pre> <a id='L15' name='L15'></a><a id='L1' name='L1'></a> 1 ;;; 0〜65535の範囲にある正数のかけ算（筆算方式）を行う <a id='L16' name='L16'></a><a id='L2' name='L2'></a> 2 ;;; 入力 GR1:被乗数 GR2:乗数 <a id='L17' name='L17'></a><a id='L3' name='L3'></a> 3 ;;; 出力 GR3:積 <a id='L18' name='L18'></a><a id='L4' name='L4'></a> 4 ;;; 積が65535より大きい場合は、オーバーフロー <a id='L19' name='L19'></a><a id='L5' name='L5'></a> 5 MULL START <a id='L20' name='L20'></a><a id='L6' name='L6'></a> 6 PUSH 0,GR4 <a id='L21' name='L21'></a><a id='L7' name='L7'></a> 7 XOR GR3,GR3 ; 積 <a id='L22' name='L22'></a><a id='L8' name='L8'></a> 8 XOR GR4,GR4 ; インデックス <a id='L23' name='L23'></a><a id='L9' name='L9'></a> 9 LOOP CPL GR2,GR4 ; ループ先頭。GR2 = GR4 の場合、FINへジャンプ <a id='L24' name='L24'></a><a id='L10' name='L10'></a> 10 JZE FIN ; ↓ <a id='L25' name='L25'></a><a id='L11' name='L11'></a> 11 ADDL GR3,GR1 ; GR3 &lt;- GR3 + GR1 <a id='L26' name='L26'></a><a id='L12' name='L12'></a> 12 JOV FIN ; オーバーフローした場合、FINへジャンプ <a id='L27' name='L27'></a><a id='L13' name='L13'></a> 13 LAD GR4,1,GR4 ; GR4 &lt;- GR4 + 1 <a id='L28' name='L28'></a><a id='L14' name='L14'></a> 14 JUMP LOOP ; ループ終端 <a id='L29' name='L29'></a><a id='L15' name='L15'></a> 15 FIN POP GR4 <a id='L30' name='L30'></a><a id='L16' name='L16'></a> 16 RET <a id='L31' name='L31'></a><a id='L17' name='L17'></a> 17 END <a id='L32' name='L32'></a></pre> <a id='L33' name='L33'></a><hr /> <a id='L34' name='L34'></a><a id='BOTTOM' name='BOTTOM'></a> <a id='L35' name='L35'></a><em class='comment'>/* [&lt;][&gt;][^][v]<a href='#TOP'>[top]</a>[bottom]<a href='../mains.html'>[index]</a><a href='../help.html'>[help]</a> */</em> <a id='L36' name='L36'></a></body> <a id='L37' name='L37'></a></html> </pre> <hr /> <a id='BOTTOM' name='BOTTOM'></a> <em class='comment'>/* [<][>][^][v]<a href='#TOP'>[top]</a>[bottom]<a href='../mains.html'>[index]</a><a href='../help.html'>[help]</a> */</em> </body> </html>