Acnodes FPC 7619 - Manual (Page 53)

FPC 7619
19 inch Atom Fanless Panel PC
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E x a m p l e x 8 6 a s s e m b l y c o d e :
m o v d x , 4 E h m
o v a l, 0 A A h o u t
d x , a l
E x a m p l e C c o d e :
o u t p o r tb (0 x 4 E , 0 x A A ) ;
S e l e c t l o g ic d e v i c e n u m b e r
E x a m p l e x 8 6 a s s e m b l y c o d e :
m o v d x , 4 E h
m o v a l, 0 0 7 h ;L D N s e l e c ti o n r e g is te r o u
t d x , a l
m o v d x , 4 F h
m o v a l, 0 0 8 h ;S e l e c t L D N = 8 , G P IO P o r t6
; o r S e l e c t L D N 9 , G P I O P o r t2
o u t d x , a l
E x a m p l e C c o d e :
o u t p o r tb (0 x 4 E , 0 x 0 7 ); / /L D N s e l e c ti o n r e g i s te r
o u t p o r tb (0 x 4 F , 0 x 0 8 ); / /S e l e c t L D N = 8 , G P I O P o r t6
o r
o u t p o r tb (0 x 4 E , 0 x 0 7 ); / /L D N s e l e c ti o n r e g i s te r
o u t p o r tb (0 x 4 F , 0 x 0 9 ); / /S e l e c t L D N = 9 , G P I O P o r t2
A c t iv a t e t h e lo g ic d e v i c e
E x a m p l e x 8 6 a s s e m b l y c o d e :
m o v d x , 4 E h
m o v a l, 0 3 0 h ;L o g i c d e v ic e a c t i v a ti o n c o n tr o l r e g . o u t
d x , a l
m o v d x , 4 F h
i n a l , d x
o r a l, 0 0 4 h ;S e t b i t2 to e n a b l e G P IO P o r t6 if L D N = 8 o r
a l, 0 0 2 h ;S e t b i t1 to e n a b l e G P IO P o r t2 if L D N = 9 o u t d x
, a l
E x a m p l e C c o d e :
o u t p o r tb (0 x 4 E , 0 x 3 0 ); / /L o g i c d e v i c e a c ti v a ti o n c o n t ro l o u t p
o r tb (0 x 4 F , ( i n p o r t b (0 x 4 F ) |0 x 2 ) ) ;
/ /S e t b it [1 ] t o e n a b l e G P IO P o r t2 i f L D N = 9
O r