a6-1.asm

来自「汇编语言的设计」· 汇编 代码 · 共 34 行

STACK SEGMENT STACK
	DW 64 DUP(?)
STACK ENDS

CODE SEGMENT
	ASSUME CS:CODE

START:	MOV CX,000AH
	MOV SI,300AH
	MOV BL,0FFH
A1:	CMP BL,0FFH
	JNZ A4
	MOV BL,00H
	DEC CX
	JZ A4
	PUSH SI
	PUSH CX
A2:	DEC SI
	MOV AL,[SI]
	DEC SI
	CMP AL,[SI]
	JA A3
	XCHG AL,[SI]
	MOV [SI+01H],AL
	MOV BL,0FFH
A3:	INC SI
	LOOP A2
	POP CX
	POP SI
	JMP A1
A4:	INT 03H
CODE ENDS
     END START