mjup.asm

上课老师给的8086仿真器

	ORG 0250H
MJUP:	MOV A,20H
	MOV DPTR,#TABADDR
	RL A
	JMP @A+DPTR
TABADDR:SJMP DISP0
	SJMP DISP1
	SJMP DISP2
	SJMP DISP3
DISP0:	MOV 20H,#0C0H
	LJMP MJUP1
DISP1:	MOV 20H,#0F9H
	LJMP MJUP1
DISP2:	MOV 20H,#0A4H
	LJMP MJUP1
DISP3:	MOV 20H,#0B0H
MJUP1:	MOV A,20H
	MOV R0,#22H
	MOV R1,#21H
	MOVX @R0,A
	MOV A,#01H
MJUP2:	MOVX @R1,A
	MOV R2,#20H
	LCALL DELY
	RL A
	SJMP MJUP2
DELY:	PUSH 02H
DELY1:	PUSH 02H
DELY2:	PUSH 02H
DELY3:	DJNZ R2,DELY3
	POP 02H
	DJNZ R2,DELY2
	POP 02H
	DJNZ R2,DELY1
	POP 02H
	DJNZ R2,DELY
	RET
	END