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ASM汇编手册

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汇编语言基础ASM

汇编语言基础ASM

第一部分汇编语言基础实验一、说明1．下面的实验例程都是汇编语言程序设计方面的基础实验，实验时只需PC微机一台。

2．所有的实验例程均可以在DVCC32JHP集成软件环境下运行和调试。

3．在实验前必须先仔细阅读随机配备的用户手册，以便对整个系统的硬件结构和设计思想有所了解，特别要仔细阅读软件安装使用部分，以便了解DVCC32JHP集成软件运行环境和操作方法，为后面顺利进行编程实验做好充分准备。

二、实验程序目录1．显示程序实验 DVA1.ASM2. 数据传送实验DVA2.ASM3. 数制转换实验DVA3＿1.ASM ASCII 码表示的十进制数转换为二进制数4. 数制转换实验DVA3＿2.ASM 十进制数的ASCII 码转换为BCD码5. 数制转换实验DVA3＿3.ASM 十六进制数的ASCII 码转换为十进制数6. 数制转换实验DVA3＿4.ASM BCD码转换为二进制码7. 运算实验DVA4＿1.ASM 二进制双精度加法运算8. 运算实验DVA4＿2.ASM 十进制数的BCD 码减法运算9. 运算实验DVA4＿3.ASM 乘法运算实验10. 运算实验 DVA4＿4.ASM 用减奇数开平方运算实验11. 分支程序设计实验DVA5.ASM12. 循环程序设计实验DVA6.ASM13. 子程序实验DVA7＿1.ASM 数据移动实验14. 子程序实验 DVA7＿2.ASM 数码转换及显示实验15. 综合程序设计实验 DVA8＿1.ASM 排序实验16. 综合程序设计实验 DVA8＿2.ASM 用32 位寄存器、指令、扩展寻址方式实现数码转换及显示三、汇编语言程序的基本结构3.1 伪指令1．指令集选择伪指令在缺省情况下，MASM 和TASM 只识别8086/8088 的指令，为了让编译器可以识别80386 及其以上微处理器的新增指令或功能增强的指令，必须在程序中使用提示处理器类型的伪指令。

在一个源程序中，可以根据需要安排多条说明处理器类型的伪指令。

汇编语言汇编步骤

汇编语言汇编步骤

汇编语言汇编、链接、运行、调试：1)所需文件：Masm.exe; link.exe 另外WindowsXP自身有的: 和debug.exe（C:\windews\system32）;2）建立asm程序.Edit test.asm输入以下汇编程序，题目：请把40个字母a的字符串从原缓冲区传送到目的缓冲区。

;program title goes here;***************************************data segmentsource_buffer db 40 dup('a')data ends;*********************************extra segmentdest_buffer db 40 dup (?)extra ends;*******************************************code segmentmain proc far ;main part of programassume cs:code, ds:data, es:extrastart:; set up stack for returnpush dssub ax,axpush ax;set DS register to current data segmentmov ax,datamov ds,ax;set ES register to current extra segmentmov ax,extramov es,ax;Main Partlea si,source_bufferlea di,dest_buffercldmov cx,40rep movsbretmain endpcode ends ; end assembly;************************************************************end start2)进行汇编：运行masm test ，再回车，出现如下界面。

ASM51宏汇编使用手册

ASM51宏汇编使用手册

ASM51宏汇编使用手册2007-01-21 10:33ASM-51 宏汇编使用手册ASM-51 宏汇编主要用来开发Inter8051系列单片机，它具有宏处理，数据处理，列表处理和条件处理等多种功能。

源程序的编写完全采用 Inter标准助记符和行格式。

在编写程序过程中，可借助于文本编辑（Windows的记事本）或文字处理软件Word等编辑，经ASM-51汇编后生成列表输出文件(.LST)和目标代码文件(.HEX)。

此目标代码文件(.HEX)可直接用CZS-51或MedWin、Keil、Debug8051进行模拟/调试，或直接用于硬件仿真器上运行。

当然，这也是要烧写到单片机ROM中的代码。

1、宏汇编语言的基本语法1、1 宏汇编的特点ASM-51宏汇编完全支持Inter助记符的汇编语言，它含有宏语句，英文大小写字母，变量名，标号等不受限制，有二，十，十六进制和串参数类型，有汇编控制指令和多层条件语句，程序逻辑分段，还有模块化程序设计的连接功能，汇编速度快等特点。

1、2 汇编处理过程(1) 用行编辑EDLIN或文字处理软件WS或全屏幕编辑软件PE等，编辑宏汇编语言源程序，它的文件扩展名为。

ASM。

(2) 用ASM-51宏汇编程序对上述源程序文件进行汇编，产生扩展名为.LST的列表输出文件和扩展名为.HEX的目标代码文件(.HEX)。

列表输出文件包含源程序语句所汇编成的代码，以及有关的地址，语句和符号表等。

目标代码文件包含源程序语句所汇编成的代码，不包含任何符号信息或助记符。

进行模拟/调试，或直接用于硬件仿真器上运行。

1、3 语句汇编语言可分为两类语句:指令性语句和指示性语句。

(1)指令性语句这一类语句是指在汇编过程中能生成指令代码的语句(如 MOV ，DEC等)。

其格式为:[标号:] [指令助记符] [操作数] [;注释]其中方括号[ ]中为选择项。

下同。

(2)指示性语句这一类语句即通常所说的伪指令，它指示汇编程序后面的指示性语句如何产生代码。

汇编（Asm）编程语句指令大全

汇编（Asm）编程语句指令大全

汇编(Asm)编程语句指令大全Assembler (Asm) programming statement, instruction daquan:[assembly Asm] assembler instruction Daquan, assembly instruction, statement DaquanMOV (MOVE) transfer instructionsPUSH stack instructionPOP out stack instructionXCHG (eXCHanG) exchange instructionsXLAT (TRANSLATE) code switching instructionLEA (Load, Effective, Address) valid address send register instructionLDS (Load, DS, pointer, with) pointers, send registers, and DS instructionsLES (Load, ES, pointer, with) pointers, send registers, and ES instructionsThe LAHF (Load, AH, with, Flags) flag sends the AH instruction SAHF (Store, AH, into, Flgs) AH send flag register instruction PUSHF (PUSH, the, Flags) flags into stack instructionsThe POPF (POP, the, Flags) flags the stack instructionsADD addition instructionADC carry addition instructionINC plus 1 instructionsSUB (SUBtract) is not subtract with borrowSBB (SuVtrach with borrow) subtract with borrowDEC (DECrement) minus 1 fingersNEG (NEGate) complement instructionCMP (CoMPare) compare instructionMUL (unsinged, MULtiple) unsigned multiply instructionIMUL (sIgned, MUL, tiple) signed multiply instructionDIV (unsigned, DIVide) unsigned division instructionIDIV (sIgned, DIVide) signed division instructionCBW (Count, Byte, to, Word) bytes are converted to word instructionsCWD (Count, Word, to, Doble, word) characters are converted into two word instructionsDAA compression BCD code addition decimal adjustment instructionDAS compression BCD code subtraction decimal adjustment instructionAAA uncompressed BCD code addition decimal adjustment instructionAAS uncompressed BCD code addition decimal adjustment instructionAND logic and instructionOR logic or instructionXOR logical XOR command不逻辑非指令试验测试指令SHL（移位逻辑与）逻辑左移指令SHR（逻辑右移）逻辑右移指令ROL（左转）循环左移指令P58ROR（转右）循环右移指令P58RCL（左带进位循环左移进行旋转）RCR（带进位右移）带进位循环左移MOV（移动字符串）串传送指令停止（存储到字符串）存入串指令检测限（负荷从字符串）从串取指令REP（重复）重复操作前CLD（明确的方向标志）清除方向标志指令STD（设置方向标志）设置方向标志指令CMPS（比较字符串）串比较指令SCAS（扫描字符串）串扫描指令缺血/ repz（而平等/零重复）相等/为零时重复操作前缀repne / repnz（而不等于零不相等/不为零进重复前缀重复）在输入指令（输入）从输出指令（输出）环循环指令P70loopz /在为零/相等时循环指令loopnz /时不为零/不相等时循环指令电话子程序调用指令RET（返回）子程序返回指令CLC（清运）进位位置0指令CMC（补充进位位求反指令携带）SRC（实现）进位位置1指令NOP（无操作）无操作指令停止（停止）停机指令返回偏移地址偏移赛格返回段地址相等（=）等值语句清除解除语句DUP操作数字段用复制操作符段，ENDS segment definition instructionASSUME segment address assignment instructionORG start offset address setting instructionCurrent value of $address counterPROC, ENDP procedure definition statementThe NAME, TITLE, and END programs begin the end statementMACRO, ENDM macro definition instruction[assembly Asm] assembler instruction Daquan, assembly instruction, statement DaquanConditional transfer instruction:JMP, JZ, JNZ, JS, JNS, JO, JNO, JP, JNP, JB, JNB, JBE, JCXZ, JNBE, JL, JNL, JLE, JNLE, and a.[assembly Asm] assembler instruction Daquan, assembly instruction, statement DaquanJMP (JuMP) unconditional transfer instructionJZ OPR results in zero transfersJNZ OPR results are not zero shiftedJS OPR results in negative metastasisJNS OPR results in positive metastasisJO OPR overflow transferJNO OPR does not overflow and transferJP OPR results are even shiftsThe JNP OPR results in an odd shiftJC OPR has carry throughJNC OPR carry nothing transfer[assembly Asm] assembler instruction Daquan, assembly instruction, statement DaquanThe function of JE is not to compare the 2 numbers, but to look at the ZF flag to decide whether to transfer it or not. Comparison is the CMP instruction.[assembly Asm] assembler instruction Daquan, assembly instruction, statement DaquanName, function, operand, operation code, modulus register 1, register 2Memory displacement, direct count, symbol direction, chip model, 16 bit, 32 bitJO overflow, jump, short $70, no nothing, no nothing, no 10,no 8086, no nothingJNO does not overflow, jump, short $71, no nothing, no nothing, 10 nothing, no 8086, no nothingJB is less than jumping, short $72, no nothing, no nothing, 10 nothing, no 8086, no nothingJNB is no less than jumping, short $73, no nothing, no nothing, 10 nothing, no 8086, no nothingJE equal jump, short $74, no nothing, no nothing, 10 nothing, no 8086, no nothingJNE jump, short, $75, no, no, no, no 10, no 8086, no nothingJBE is no higher than jumping, short $76, no nothing, no nothing, 10 nothing, no 8086, no nothingJA is higher than jumping, short $77, no nothing, no nothing, 10 nothing, no 8086, no nothingA short jump JS $78 no no no no no no 8086 No 10JNS, no negative jump, short $79, no nothing, no nothing, 10 without nothing, 8086 without nothingJP parity jump, short $7A, no, no, no, 10, no, no, 8086, noneJNP non - odd jump, short $7B, no nothing, no nothing, no 10, no 8086, no nothingJL is less than a jump, a short $7C, no nothing, no nothing, 10 nothing, no 8086, no nothingJNL is no less than jumping, short $7D, no nothing, no nothing, 10 nothing, no 8086, no nothingJNG is no greater than jumping, short $7E, no nothing, no nothing, 10 nothing, no 8086, no nothingJG is greater than the jump, short $7F, no nothing, no nothing, 10 nothing, no 8086, no nothingJO overflow jump nearly $0F80, no, no, no, 10, no, no 386, no $66JNO does not overflow, jump near $0F81, no nothing, no nothing, 10 nothing, no 386, no $66JB is less than jump, near $0F82, no nothing, no nothing, 10 nothing, no 386, no $66JNB is no less than jump, near $0F83, no nothing, no nothing, no 10, no 386, no $66JE equal jump, near $0F84, no nothing, no nothing, no 10, no 386, no $66JNE unequal jump, near $0F85, no, no, no, 10, no, no 386, no $66JBE is no higher than the jump, near $0F86, no nothing, no nothing, no 10, no 386, no $66JA is higher than jump, near $0F87, no, no, no, 10, no, no 386, no $66JS minus jump nearly $0F88 no no no no no no no $66 386 10JNS non negative jump, near $0F89, no, no, no, 10, no, no, 386, no $66JP parity jump, near $0F8A, no, no, no, 10, no, no 386, no $66JNP non parity jump, near $0F8B, no, no, no, 10, no, no 386, no $66JL is less than jump, near $0F8C, no nothing, no nothing, 10 nothing, no 386, no $66JNL is no less than jump, near $0F8D, no nothing, no nothing, no 10, no 386, no $66JNG is no larger than jump, near $0F8E, no nothing, no nothing, 10 nothing, no 386, no $66JG is greater than the jump, near $0F8F, no nothing, no nothing, no 10, no 386, no $66JO overflows, jumps near $0F80, no nothing, no nothing, 10 nothing, no 386, $66 noneJNO does not overflow, jump near $0F81, no nothing, no nothing, 10 nothing, no 386 $66, noneJB is less than jump, near $0F82, no nothing, no nothing, 10 nothing, no 386 $66, noneJNB is no less than jump, near $0F83, no nothing, no nothing, 10 nothing, no 386 $66, noneJE equal jump, near $0F84, no nothing, no nothing, 10 nothing, no 386, $66, noneJNE unequal jump, near $0F85, no, no, no, 10, no, no, 386, $66, noneJBE is no higher than jump, near $0F86, no nothing, no nothing, 10 nothing, no 386 $66, noneJA is higher than jump, near $0F87, no, no, no, 10, no, no, 386, $66, noneJS minus jump nearly $0F88 no no no no no no no 386 $66 10JNS non negative jump, near $0F89, no, no, no, 10, no, no, 386, $66, noneJP parity jump, near $0F8A, no, no, no, 10, no, no, 386, $66, noneJNP non parity jump, near $0F8B, no, no, no, 10, no, no, 386, $66, noneJL is less than jump, near $0F8C, no nothing, no nothing, 10 nothing, no 386 $66, noneJNL no less than jump, near $0F8D, no nothing, no nothing, no 10, no 386 $66, noneJNG is no larger than jump, near $0F8E, no nothing, no nothing, 10 nothing, no 386 $66, noneJG is larger than jump, near $0F8F, no nothing, no nothing, 10 nothing, no 386 $66, noneJCXZ count 160, jump shift 8 $E3, no, no, no, 10, no, no 8086, no $67JECXZ count 320, jump shift 8 $E3, no, no, no, 10, no, no 386, $67, noneJMP jump send 16 $FF 111003 no no no no 8086 no $66JMP jump send 32 $FF 111003 no no no no 386 $66 noJMP jump 16[send 16] $FF 001005 no no no no 8086 no $6766JMP jump 32[send 16] $FF 001005 no no no no 386 $66 $67JMP jump 16[send 32] $FF 001005 no no no no 386 $67 $66JMP jump 32[send 32] $FF 001005 no no no no 386 $6766 noJMP jump 16[, send 16+, shift 8], $FF 0110059, no, no, no 8086, no $6766JMP jump 32[, send 16+, shift 8], $FF 0110059, no, no, no 386, $66, $67JMP jump 16[, send 32+, shift 8], $FF 0110059, no, no, no 386, $67, $66JMP jump 32[, send 32+, shift 8], $FF 0110059, no, no, no 386, $6766 noJMP jump 16[, send 16+, shift 16], $FF 1010059, no, no, no 8086, no $6766JMP jump 32[, send 16+, shift 16], $FF 1010059, no, no, no 386, $66, $67JMP jump 16[, send 32+, shift 32], $FF 1010059, no, no, no 386, $67, $66JMP jump 32[, send 32+, shift 32], $FF 1010059, no, no, no 386, $6766 noJMP jump near 16[send 16] $FF 001005 no no no no 8086 no $6766JMP jump near 32[, send 16] $FF 001005, no, no, no 386, $66, $67JMP jump near 16[, send 32] $FF 001005, no, no, no 386, $67, $66JMP jump near 32[send 32] $FF 001005 no no no no 386 $6766 noJMP jump near 16[, send 16+ shift, 8] $FF 0110059, no no no 8086, no $6766JMP jump near 32[, send 16+ shift, 8] $FF 0110059, no, no, no 386, $66, $67JMP jump near 16[, send 32+ shift, 8] $FF 0110059, no, no, no 386, $67, $66JMP jump near 32[, send 32+ shift, 8] $FF 0110059, no, no, no 386, $6766 noJMP jump near 16[, send 16+ shift, 16] $FF 1010059, no no no 8086, no $6766JMP jump near 32[, send 16+ shift, 16] $FF 1010059, no, no, no 386, $66, $67JMP jump near 16[, send 32+ shift, 32] $FF 1010059, no, no, no 386, $67, $66JMP jump near 32[, send 32+ shift, 32] $FF 1010059, no, no, no 386, $6766 noJMP jump far 16[send 16] $FF 001015 no no no no 8086 no $6766 JMP jump far 32[send 16] $FF 001015 no no no no 386 $66 $67JMP jump far 16[send 32] $FF 001015 no no no no 386 $67 $66JMP jump far 32[send 32] $FF 001015 no no no no 386 $6766 noJMP jump far, 16[send 16+ shift, 8] $FF 0110159, no no no 8086, no $6766JMP jump far, 32[send 16+ shift, 8] $FF 0110159, no, no, no 386, $66, $67JMP jump far, 16[send 32+ shift, 8] $FF 0110159, no, no, no 386, $67, $66JMP jump far 32[send 32+ shift 8] $FF 0110159 no no no 386 $6766 noJMP jump far, 16[send 16+ shift, 16] $FF 1010159, no no no 8086, no $6766JMP jump far, 32[send 16+ shift, 16] $FF 1010159, no, no, no 386, $66, $67JMP jump far, 16[send 32+ shift, 32] $FF 1010159, no, no, no 386, $67, $66JMP jump far 32[send 32+ shift 32] $FF 1010159 no no no 386 $6766 noJMP jump short $EB no no no no 10 no no 8086 noJMP jump displacement 16, $E9 no, no, no, no 10, no 8086, no$66JMP jump shift 32 $E9 no no no no 10 no no 386 $66 noJMP jump nearly $E9, no, no, no, 10, no, no 8086, no $66JMP jump nearly $E9, no, no, no, 10, no, no 386, $66 noJMP jump far (segment address): offset 16 $EA, no, no, no, 10, no, no 8086, no $66JMP jump far (segment address): offset 32 $EA, no, no, no, 10, no, no 386, $66, noneJMP jump number segment address: offset 16 $EA no no no no 12 No 8086 no $66JMP jump number segment address: offset 32 $EA no no no no 12 No 386 $66 noJMPE jump extensions send 16, $0F00 111103, no, no, no IA64, no $66JMPE jump extensions send 32, $0F00 111103, no, no, no, IA64, $66, noneJMPE jump extensions, 16[send 16], $0F00 001105, no, no, no IA64, no $66JMPE jump extensions, 32[send 16], $0F00 001105, no, no, no, IA64, $66, noneJMPE jump extensions, 16[send 32], $0F00 001105, no, no, no IA64, no $66JMPE jump extensions, 32[send 32], $0F00 001105, no, no, no, IA64, $66, noneJMPE jump extensions, 16[send 16+, shift 8], $0F00 0111059, no, no, IA64, no $66JMPE jump extended 32[send 16+ shift 8] $0F00 0111059 no no no IA64 $66 noJMPE jump extensions, 16[send 32+, shift 8], $0F00 0111059, no, no, IA64, no $66JMPE jump extended 32[send 32+ shift 8] $0F00 0111059 no no no IA64 $66 noJMPE jump extensions, 16[send 16+, shift 16], $0F00 1011059, no, no, IA64, no $66JMPE jump extended 32[send 16+ shift 16] $0F00 1011059 no no no IA64 $66 noJMPE jump extensions, 16[send 32+, shift 32], $0F00 1011059, no, no, IA64, no $66JMPE jump extended 32[send 32+ shift 32] $0F00 1011059 no no no IA64 $66 noJMPE jump, extended displacement 16 $0FB8, no, no, no, 10, no, no IA64, no $66JMPE jump, extended displacement, 32 $0FB8, no, no, no, 10, no, no, IA64, $66, none。