Archive for the ‘汇编’ Category

汇编学习笔记[14]：DOS功能调用

 

常用的DOS功能调用：

1．键盘输入并显示（1号功能调用）

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Thursday, January 22nd, 2009 at 15:07 | 5 comments
Categories: 汇编

汇编学习笔记[13]：子程序设计

 

过程调用指令有段内调用（近调用）和段间调用（远调用）之分。

与之对应，过程返回指令也有段内返回（近返回）和段间返回（远返回）之分。

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Wednesday, January 21st, 2009 at 21:43 | 0 comments
Categories: 汇编

汇编学习笔记[12]：源程序组织

1. 符号定义语句

（1）等价语句EQU

符号名 EQU 表达式

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Tuesday, January 20th, 2009 at 21:02 | 0 comments
Categories: 汇编

汇编学习笔记[11]：变量和标号

 

1. 变量和标号的属性

变量表示的存储单元中存放的是数值；标号表示的存储单元中存放的是指令代码。

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Monday, January 19th, 2009 at 18:30 | 0 comments
Categories: 汇编

汇编学习笔记[10]：数据定义语句

 

数据定义语句是最常用的伪指令语句，一般格式：

[变量名] 数据定义符 表达式[，表达式，...，表达式][；注释]

Read More: 608 Words Totally

Sunday, January 18th, 2009 at 17:58 | 0 comments
Categories: 汇编

汇编学习笔记[9]：表达式

 

先提一下几个概念

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Saturday, January 17th, 2009 at 17:33 | 0 comments
Categories: 汇编

汇编学习笔记[8]：转移指令

 

1. 无条件转移指令

（1）无条件段内直接转移指令

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Friday, January 16th, 2009 at 14:35 | 0 comments
Categories: 汇编

汇编学习笔记[7]：移位指令

 

1. 算术左移或逻辑左移指令SAL/SHL

SAL OPRD，m

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Thursday, January 15th, 2009 at 13:34 | 0 comments
Categories: 汇编

汇编学习笔记[6]：逻辑运算指令

 

1. 否操作指令NOT

NOT OPRD

Read More: 341 Words Totally

Wednesday, January 14th, 2009 at 13:13 | 0 comments
Categories: 汇编

汇编学习笔记[5]：乘除运算指令

 

1. 乘法指令

在乘法指令中，一个操作数总是隐含在寄存器AL（8位）或AX（16位）中

Read More: 647 Words Totally

Tuesday, January 13th, 2009 at 12:39 | 2 comments
Categories: 汇编
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