zhengque.asm

这是汇编基本的程序主要是熟悉汇编的语法

DATA 	SEGMENT 
                ORG         0000H
DATA1	DB	16 DUP(?)
                ORG      	 0010H
DATA2	DB	16 DUP(9)
DATA	ENDS
STACK	SEGMENT	STACK
	DB	64 DUP(?)
STACK	ENDS
CODE	SEGMENT
	ASSUME	CS:CODE,DS:DATA
START:	MOV	AX,DATA
	MOV	DS,AX
	MOV	AX,0000H
	MOV	CX,0FH
	LEA	BX,DATA1
	LEA	DX,DATA2
	CMP	BX,DX
	JZ	A1
	SUB	BX,DX
	JS	A2
	LEA	SI,DATA1
	LEA	DI,DATA2
A3:	MOV	AX,[SI]
	MOV	[DI],AX
	INC	SI
       
	INC	DI
               
	LOOP	A3
	JMP	A1
A2:	LEA	SI,DATA1
	LEA	DI,DATA2
	MOV	AX,LENGTH DATA1-1
	ADD	SI,AX
	MOV	AX,LENGTH DATA2-1
	ADD	DI,AX
A5:	MOV	AX,[SI-1]
	MOV	[DI-1],AX
	DEC	SI
                
	DEC	DI
             
	LOOP	A5
	JMP	A1
A1:	HLT
CODE	ENDS
	END	START