Microprocessor_Lab/LAB 2/TASK 2 at main · Ghaida-jaaisa/Microprocessor_Lab · GitHub

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;*****************************************
;     MDA-Win8086 EXPERIMENT PROGRAM    *
;     FILENAME  : FND.ASM
;     PROCESSOR : I8086
;     8255 TEST
;*****************************************
CODE	SEGMENT
	ASSUME	CS:CODE,DS:CODE,ES:CODE,SS:CODE
	;
PPIC_C	EQU	1FH
PPIC	EQU	1DH
PPIB	EQU	1BH
PPIA	EQU	19H
	;
	ORG	1000H
	MOV	AL,10000000B
	OUT	PPIC_C,AL
	;
	MOV	AL,11110000B
	OUT	PPIB,AL
	;
	MOV	AL,00000000B
	OUT	PPIC,AL
	;

L2: 	MOV	SI,OFFSET DATA
        ADD SI , 3
L1:	MOV	AL,BYTE PTR CS:[SI]
	CMP	AL,00H
	JE	L2
	OUT	PPIA,AL
	CALL	TIMER
	INC	SI
        JMP     L1
	;
	INT	3
	;
TIMER:	MOV	CX,0
TIMER1:	NOP
	NOP
	NOP
	NOP
	LOOP	TIMER1
	RET
	;
DATA:	DB	11000000B
	DB	11111001B
	DB	10100100B
	DB	10110000B
	DB	10011001B
	DB	10010010B
	DB	10000010B
	DB	11111000B
	DB	10000000B        ; 8
	DB	10010000B     ; 9
	DB      10001000B   ; A
	DB      10000000B    ;B
	DB      11000110B     ;C
	DB	00H
CODE	ENDS
	END