h59s.asm

上课老师给的8086仿真器

	ORG 08F0H		;?
HA7S:	MOV SP,#53H
	MOV DPTR,#0B001H
	MOV A,#00H
	MOVX @DPTR,A
	MOV A,#32H
	MOVX @DPTR,A
	MOV A,#0DFH
	MOVX @DPTR,A
HA7S1:	MOVX A,@DPTR
	JB ACC.7,HA7S1
	MOV DPTR,#0B000H
	MOV A,#0C8H
	MOVX @DPTR,A
	INC DPTR
	MOV A,#80H
	MOVX @DPTR,A
HA7S2:	MOV 30H,#80H
	MOV 31H,#40H
HA7S3:	MOV DPTR,#0B001H
	MOVX A,@DPTR
	ANL A,#07H
	CJNE A,#00H,HA7S4
	AJMP HA7S3
HA7S4:	MOV DPTR,#0B000H
	MOVX A,@DPTR
	MOV B,A
	MOV R1,#00H
	MOV DPTR,#KEYTAB
HA7S5:	MOV A,#00H
	MOVC A,@A+DPTR
	CJNE A,B,HA7S6
	AJMP HA7SA
HA7S6:	INC DPTR
	INC R1
	MOV A,R1
	JB ACC.4,HA7S7
	AJMP HA7S5
HA7S7:	MOV R1,#00H
	MOV DPTR,#KEYTAB1
HA7S8:	MOV A,#00H
	MOVC A,@A+DPTR
	CJNE A,B,HA7S9
	AJMP HA7SC
HA7S9:	INC DPTR
	INC R1
	MOV A,R1
	JNB ACC.2,HA7S8
	AJMP HA7SD
HA7SD:	LJMP HA7S
HA7SA:	MOV A,30H
	MOV DPTR,#0B001H
	MOVX @DPTR,A
	MOV A,R1
	MOV R0,31H
	MOV @R0,A
	INC 31H
	MOV DPTR,#CDATA
	MOVC A,@A+DPTR
	MOV DPTR,#0B000H
	MOVX @DPTR,A
	INC 30H
	MOV A,30H
	CJNE A,#88H,HA7SB
	LJMP HA7S2
HA7SB:	AJMP HA7S3
HA7SC:	MOV DPTR,#KJPADDR
	MOV A,R1
	RL A
	ADD A,R1
	JMP @A+DPTR
KJPADDR:LJMP LOOP0
	LJMP LOOP1
	LJMP LOOP2
KEYTAB: DB 0C1H,0C8H,0C9H,0D0H,0D8H,0E0H,0C2H,0CAH,0D1H,0D9H
	DB 0DAH,0C3H,0CBH,0D2H,0D3H,0DBH
KEYTAB1:DB 0E3H,0E2H,0E1H
CDATA:	DB 0CH,9FH,4AH,0BH,99H,29H,28H,8FH,08H,09H,88H,38H
	DB 6CH,1AH,68H,0E8H
LOOP0:	MOV R5,#0CH
	LJMP DISPC
LOOP1:	MOV R5,#9FH
	LJMP DISPC
LOOP2:	MOV R5,#4AH
DISPC:	MOV R6,#80H
DISPC1: MOV A,R6
	MOV DPTR,#0B001H
	MOVX @DPTR,A
	MOV A,R5
	MOV DPTR,#0B000H
	MOVX @DPTR,A
	MOV R2,#20H
	LCALL DELAY
	MOV A,#0FFH
	MOVX @DPTR,A
	INC R6
	CJNE R6,#88H,DISPC1
	AJMP DISPC
DELAY:	PUSH 02H
DELAY1: PUSH 02H
DELAY2: PUSH 02H
DELAY3: DJNZ R2,DELAY3
	POP 02H
	DJNZ R2,DELAY2
	POP 02H
	DJNZ R2,DELAY1
	POP 02H
	DJNZ R2,DELAY
	RET
	END