port.asm

用来将电脑连接到电视荧幕, 并以15Khz输出的源码, 请只用在支援15Khz的荧幕上, 以免伤害荧幕

IDEAL
P386
SMART

MODEL COMPACT,C

GLOBAL C outportl:NEAR
GLOBAL C inportl:NEAR
GLOBAL C voodooport:NEAR


CODESEG

PROC outportl NEAR port:word, value:dword
USES DX,EAX
        mov     dx,[port]
        mov     eax,[value]
        out     dx, eax
        ret
ENDP

PROC inportl NEAR port:word
        mov     dx,[port]
        in      eax,dx
        mov     edx,eax
        shr     edx,16
        ret
ENDP

END