196s6.asm

上课老师给的8086仿真器

$INCLUDE(8096.INC)
CSEG AT 2400H
START:	LD 18H,#00E0H
	DI
	LCALL DELAY
	LDB HSI_MODE,#09H
	LDB IOC0,#05H
	LDB IOC1,#04H
	CLRB INT_PENDING
	ORB INT_MASK,#01H
	LD 1AH,#T1INT
	LD 1EH,#2000H
	ST 1AH,[1EH]
	LDB 30H,#79H
        LDB 1CH,#06H
LOOP1:	STB R0,[30H]+
	DJNZ 1CH,LOOP1
	EI
LOOP:   LD 50H,#00H
TEST1:	LCALL DISP
	JBC IOS1,7,TEST1
	LD 58H,50H
	LD 22H,HSI_TIME
	ST 22H,56H
TEST2:	JBC IOS1,7,TEST2
	LD 54H,50H
	LD 22H,HSI_TIME
	ST 22H,52H
	SUB 54H,58H
	SUB 52H,56H
	JC DIST
	DEC 54H
DIST:	LD 20H,52H
	LD 22H,54H
DIST1:	LD 24H,#64000
	DIVU 20H,24H
	LDB 30H,#79H
	STB 20H,[30H]+
	LD 20H,22H
	CLR 22H
	LD 24H,#6400
	DIVU 20H,24H
	STB 20H,[30H]+
	LD 20H,22H
	CLR 22H
        LD 24H,#640
	DIVU 20H,24H
	STB 20H,[30H]+
	LD 20H,22H
	LDB 24H,#64
	DIVUB 20H,24H
	STB 20H,[30H]+
	LDB 20H,21H
	LDB 24H,#10
	MULUB 20H,24H
	LDB 24H,#64
	DIVUB 20H,24H
	STB 20H,[30H]+
	LDB 20H,21H
	CLRB 21H
	LDB 24H,#07
	DIVUB 20H,24H
	STB 20H,[30H]
	LCALL DISP
	LJMP LOOP
DISP:	LD 30H,#79H
	LDB 1EH,#20H
	LDB 1FH,#00H
DISP1:	LD 22H,#0FF21H
	STB 1EH,[22H]
	LDB 1BH,[30H]
	LD 1CH,#DATA0
	ADDB 1CH,1BH
	LDB 1AH,[1CH]
	CMPB 30H,#79H
	JE DISP4
DISP2:	LD 20H,#0FF22H
	STB 1AH,[20H]
DISP3:	DJNZ 1FH,DISP3
	INCB 30H
	SHRB 1EH,#01H
        CMPB 1EH,#00H
	JNE DISP1
	LDB 1AH,#0FFH
	STB 1AH,[20H]
	RET
DISP4:	ANDB 1AH,#7FH
	LJMP DISP2
DELAY:	PUSH 1AH
	LD 1AH,#0F000H
DELAY1: DEC 1AH
	JNE DELAY1
	POP 1AH
	RET
T1INT:	PUSHF
	INC 50H
	POPF
	RET
DATA0:	DCB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H
	DCB 88H,83H,0C6H,0A1H,86H,8EH,0FFH,0CH,89H,0DEH
	END