汇编程序

源代码在线查看: 6.asm

软件大小: 241 K
上传用户: ebay321
关键词: 汇编程序
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相关代码

				;6.ASM
				PUBLIC CHANGE5
				DATA 	SEGMENT
				BINARY DW 7FFFH,50H
				       	N=($-BINARY)/2
				BUF  	DB 7 DUP(0)
				INFO1 	DB 0AH,0DH,'THIS IS THE CHANGE FROM HEXNUMBER TO DECIMAL:$'
				INFO2 	DB 0AH,0DH,'THE NUMBER IS:7FFFH,50H$',0AH,0DH
				INFO3 	DB 0AH,0DH,'THE RESULT IS:$'
				DATA 	ENDS
				STACK 	SEGMENT STACK
				      	DB 200 DUP(0)
				STACK 	ENDS     
				CODE 	SEGMENT
				     	ASSUME CS:CODE,DS:DATA,SS:STACK
				F2TO10 PROC NEAR
				      	PUSH BX
				      	PUSH DX
				      	PUSH SI
				      	PUSH CX
				DISP  	MACRO M
				      	LEA DX,M
				      	MOV AH,9
				      	INT 21H
				      	ENDM
				      	LEA SI,BUF
				      	OR  AX,AX
				      	JNS PLUS
				      	NEG AX
				      	MOV [SI],BYTE PTR '-'
				      	INC SI
				PLUS: 	MOV BX,10
				      	MOV CX,0
				LOP1: 	MOV DX,0
				      	DIV BX
				      	PUSH DX
				      	INC CX
				      	OR AX,AX
				      	JNE LOP1
				LOP2: 	POP AX
				      	CMP AL,10
				      	JB L1
				      	ADD AL,7
				L1:   	ADD AL,30H
				      	MOV [SI],AL
				      	INC SI
				      	DEC CX
				      	JNE LOP2
				      	MOV [SI],BYTE PTR 'D'
				      	INC SI
				      	MOV [SI],BYTE PTR '$'
				      	DISP  INFO3
				      	DISP BUF
				      	POP CX
				      	POP SI
				      	POP DX
				      	POP BX
				      	RET
				F2TO10 ENDP
				CHANGE5 PROC FAR
				START: MOV AX,DATA
				       	MOV DS,AX
				       	DISP INFO1
				       	DISP INFO2
				       	MOV CX,N
				       	LEA DI,BINARY
				LOPA:  MOV AX,[DI]
				       	CALL F2TO10
				       	ADD DI,2
				       	LOOP LOPA
				       	RET
				CHANGE5 ENDP
				CODE 	ENDS
				      	END 
							

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