DSM 96M4371o, Руководство пользователя

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System Installation
96M4371o
User’s Manual
3-20
inc dx
in al, dx
and
al, 33h
out dx, al
nop
mov dx, ADDRESS ;load the base address MSB
mov al, 62h
out dx, al
nop
inc dx
in al, dx
mov ah, al
mov dx, ADDRESS ;load the base address LSB
mov al, 63h
out dx, al
nop
inc dx
in al, dx
mov bx, ax
mov dx, ax ; go to gpio1 address
in al, dx
or al, 06h
; set high to input
out dx, al
nop
nop
add bx, 02h ; 0A42
mov dx, bx
nop
in al, dx
or al, 03h ; set high to input
and al, 33h
out dx, al
in al, dx ; read the gpio output
and al, 0CFh
cmp al, 0CFh
jnz
L5
sub bx, 02h
mov ax, bx
mov dx, ax ; go to gpio1 address