8259DMA interrupt

SSTACK	SEGMENT STACK
DW 32 DUP(?)
SSTACK	ENDS
CODE	SEGMENT
ASSUME CS:CODE
START:	PUSH DS
MOV AX, 0000H
MOV DS, AX
MOV	AX, OFFSET MIR7
MOV SI, 003CH				;0FH
MOV [SI], AX
MOV AX, CS
MOV SI, 003EH
MOV [SI], AX
MOV AX, OFFSET MIR6
MOV SI, 00001110B*4			;0EH
MOV [SI], AX
MOV AX, CS
MOV SI, 00001110B*4+2
MOV [SI], AX

CLI
POP DS
;INIT THE MAIN
MOV AL, 11H
OUT 20H, AL
MOV AL, 08H
OUT 21H, AL
MOV AL, 04H
OUT 21H, AL
MOV AL, 01H
OUT 21H, AL
MOV AL, 2FH		;00101111B
OUT 21H, AL
STI
AA1:	NOP
JMP AA1
MIR7:	PUSH AX
STI
MOV AH, 01H
MOV AL, '7'
INT 10H
MOV AH, 01H
MOV AL, ' '
INT 10H
MOV AL, 20H			;ABLE TO INTERUPTE
OUT 20H, AL
POP AX
IRET
MIR6:	PUSH AX
STI
MOV AH, 01H
MOV AL, '6'
INT 10H
MOV AH, 01H
MOV AL, ' '
INT 10H
MOV AL, 20H			;ABLE TO INTERUPTE
OUT 20H, AL
POP AX
IRET
CODE	ENDS
END START

SSTACK	SEGMENT STACK
DW 32 DUP(?)
SSTACK	ENDS
CODE	SEGMENT
ASSUME CS:CODE
START:	PUSH DS
MOV AX, 0000H
MOV DS, AX
MOV	AX, OFFSET MIR7
MOV SI, 003CH
MOV [SI], AX
MOV AX, CS
MOV SI, 003EH
MOV [SI], AX
MOV AX, OFFSET SIR1
MOV SI, 00C4H
MOV [SI], AX
MOV AX, CS
MOV SI, 00C6H
MOV [SI], AX
CLI
POP DS
;INIT THE MAIN 8259
MOV AL, 11H
OUT 20H, AL
MOV AL, 08H
OUT 21H, AL
MOV AL, 04H
OUT 21H, AL
MOV AL, 01H
OUT 21H, AL
;INIT THE EXTRA 8259
MOV AL, 11H
OUT 0A0H, AL
MOV AL, 30H
OUT 0A1H, AL
MOV AL, 02H
OUT 0A1H, AL
MOV AL, 01H
OUT 0A1H, AL
MOV AL, 0FDH
OUT 0A1H, AL
MOV AL, 6BH
OUT 21H, AL
STI
AA1:	NOP
JMP AA1
MIR7:	PUSH AX
MOV AX, 014DH
INT 10H
MOV AX, 0137H
INT 10H
MOV AX, 0120H
INT 10H
MOV AL, 20H
OUT 20H, AL
POP AX
IRET
SIR1:	PUSH AX
MOV AX, 0153H
INT 10H				;S
MOV AX, 0131H
INT 10H				;SHOW THE 1
MOV AX, 0120H
INT 10H
MOV AL, 20H
OUT 0A0H, AL
OUT 20H, AL
POP AX
IRET
CODE	ENDS
END START