IEI Technology TANK -870-Q170 S eries, Руководство пользователя, Страница: 140 / 143

TANK -870-Q170 E mbedded S ys tem
Page 127
E .2 As s embly L anguage S ample 1
MOV AX, 6F08H ;setting the digital port as input
INT 15H ;
AL low byte = value
AH – 6FH
AL – 9 :Set the digital port as OUTPUT
Sub-function:
BL :Digital I/O input value
E .3 As s embly L anguage S ample 2
MOV AX, 6F09H ;setting the digital port as output
MOV BL, 09H ;digital value is 09H
INT 15H ;
Digital Output is 1001b