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S u b C o m p a c t B o a r d
xchg ah, al
mov
xor
out
call
mov
Address Register
mov al, ch
out
command
mov
Register
mov
out
mov dx, 500h + 06h
mov al, ah
out
mov
mov
out
dx, 500h + 00h
al, al
dx, al
Delay5ms
dx, 500h + 04h
dx, al
dx, 500h + 05h
al, cl
dx, al
dx, al
dx, 500h + 01h ; Host Status Register
al, 07h
dx, al
G E N E - U 1 5 B
; Host Control Register
; Clear previous commands
; Transmit Slave
; Set the slave address and
; prepare for a WRITE
; Host Command
; offset to write
; Clear all status bits
D-7
Appendix D DIO
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