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RSS订阅原创 串处理指令
+-------++ CMPSB ++-------+ ES:[DI] 与 DS:[SI] 作字节比较 比较方法: DS:[SI] - ES:[DI] 根据结果设置如下标志: OF, SF, ZF, AF, PF, CF if DF = 0 then SI = SI + 1 DI = DI + 1 else SI = SI -
2004-07-08 11:05:00
826
原创 跳转指令
无符号数A＜B JB/JNAE/JC CF=1A≥B JNB/JAE/JNC CF=0A≤B JBE/JNA CF=1 或者 ZF=1A＞B JNBE/JA CF=0 并且 ZF=0 有符号数(⊙表示异或)A＜B JL/JNGE SF⊙OF=1 并且 ZF=0A≥B JNL/JGE SF⊙O
2004-06-28 09:06:00
1041
原创 8086 instructions (compact)
8086 instruction ADD ADC INC SUB SBB DEC NEG CMP MUL IMUL DAA DAS AAA AAS AND OR XOR NOT TEST
2004-06-25 11:29:00
1138
原创 声明const的Integer类型的多维数组时的赋值
type TCube4 = array[0..1, 0..1, 0..1, 0..1] of Integer; TCube3 = array[0..1, 0..1, 0..1] of Integer; TCube2 = array[0..1, 0..1] of Integer; TCube1 = array[0..1] of Integer; const Maze4: TCube4 =
2004-06-23 11:10:00
1380
原创 运算指令描述
+---------++ MUL ++---------+ MOV AL, 4CMOV BL, 11MUL BL 4CH,11H全部作为无符号数处理->4CH = 76D->11H = 17D->AX = 1292D = 050CH +---------++ IMUL ++---------+ (1)--- MOV AL, 4C MOV BL, 11 IMUL BL 4CH, 11H
2004-06-23 10:54:00
1180
原创 8086 instructions
8086 instructions Home Page Help Index Overview Tutorials Emu8086 reference Download Complete 8086 instruction set Quick reference: AAA AAD AAM AAS
2004-06-23 10:37:00
1373
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