Aaeon GENE-CV05 Manual page 120

S u b C o m p a c t B o a r d
out
call
test
jnz
and
or
jz
test
jnz
loop
;SMbus error due to timeout
SMBus_Err:
stc
ret
Clear_final:
clc
ret
CT_Chk_SMBus_Ready
END begin
dx,al ;clear status
Delay5ms
al, 02H
short Clear_final
al, NOT 40H ;mask INUSE bit
al,al ;status OK ?
short Clear_final
al,04h ;device error
short SMBus_Err
short Chk_I2c_OK
Endp
G E N E - C V 0 5
;termination of command ?
Appendix E Digital I/O E-9