aam.htm

来自「Programmer s Reference Manual is an impr」· HTM 代码 · 共 63 行

HTM
63 行
字号 
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><HTML><HEAD><TITLE>80386 Programmer's Reference Manual -- Opcode AAM</TITLE></HEAD><BODY><B>up:</B> <A HREF="c17.htm">Chapter 17 -- 80386 Instruction Set</A><BR><B>prev:</B><A HREF="AAD.htm"> AAD ASCII Adjust AX before Division</A><BR><B>next:</B><A HREF="AAS.htm"> AAS ASCII Adjust AL after Subtraction</A><P><HR><P><H1>AAM -- ASCII Adjust AX after Multiply</H1><PRE>Opcode    Instruction    Clocks    DescriptionD4 0A     AAM            17        ASCII adjust AX after multiply</PRE><H2>Operation</H2><PRE>AH := AL / 10;AL := AL MOD 10;</PRE><H2>Description</H2>Execute AAM only after executing a <A HREF="MUL.htm">MUL</A> instruction between two unpackedBCD digits that leaves the result in the AX register. Because the result isless than 100, it is contained entirely in the AL register. AAM unpacks theAL result by dividing AL by 10, leaving the quotient (most-significantdigit) in AH and the remainder (least-significant digit) in AL.<H2>Flags Affected</H2>SF, ZF, and PF as described in <A HREF="appc.htm">Appendix C</A>; OF, AF, and CF are undefined<H2>Protected Mode Exceptions</H2>None<H2>Real Address Mode Exceptions</H2>None<H2>Virtual 8086 Mode Exceptions</H2>None<P><HR><P><B>up:</B> <A HREF="c17.htm">Chapter 17 -- 80386 Instruction Set</A><BR><B>prev:</B><A HREF="AAD.htm"> AAD ASCII Adjust AX before Division</A><BR><B>next:</B><A HREF="AAS.htm"> AAS ASCII Adjust AL after Subtraction</A></BODY>

aam.htm - 源码说明

本页面展示了「Programmer s Reference Manual is an improtant book on Intel processor architecture and programming.」中的 aam.htm 源码文件，采用 HTM 编程语言编写，共 63 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

虫虫开发者社区收录了大量与Intel处理器相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?