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FreeWare Collection 3
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FreeSoftwareCollection3pd199x-jp.img
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oh_fm
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inkyoku
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ioport.asm
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Assembly Source File
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1980-01-02
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1KB
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80 lines
code segment dword public use32 'code'
assume cs:code
;*****************************
; I/O direct access routines
;*****************************
;int INPB(addr)
public INPB
INPB proc near
xor eax,eax
mov dx,[esp+4]
in al,dx
ret
INPB endp
;int INPW(addr)
public INPW
INPW proc near
xor eax,eax
mov dx,[esp+4]
in ax,dx
ret
INPW endp
;void OUTPB(addr,dat)
public OUTPB
OUTPB proc near
mov dx,[esp+4]
mov al,[esp+8]
out dx,al
ret
OUTPB endp
;void OUTPW(addr,dat)
public OUTPW
OUTPW proc near
mov dx,[esp+4]
mov ax,[esp+8]
out dx,ax
ret
OUTPW endp
;******************************
; I/O register access
;******************************
;void OUTREGB(addr,num,dat)
public OUTREGB
OUTREGB proc near
mov dx,[esp+4]
mov al,[esp+8]
out dx,al
add dx,2
mov al,[esp+12]
out dx,al
ret
OUTREGB endp
;void OUTREGW(addr,num,dat)
public OUTREGW
OUTREGW proc near
mov dx,[esp+4]
mov al,[esp+8]
out dx,al
add dx,2
mov ax,[esp+12]
out dx,ax
ret
OUTREGW endp
code ends
end