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OS/2 Shareware BBS: 10 Tools
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IOPL32.ZIP
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IO.ASM
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Assembly Source File
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1992-11-28
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702b
|
48 lines
.286
IO_TEXT segment word public 'CODE'
assume cs:IO_TEXT
public WPORT
WPORT proc far
push bp
mov bp,sp
push ax
push dx
mov ax,[bp+6]
mov dx,[bp+8]
out dx,al
pop dx
pop ax
pop bp
ret 4
WPORT endp
public RPORT
RPORT proc far
push bp
mov bp,sp
push dx
mov dx,[bp+6]
in al,dx
xor ah,ah
pop dx
pop bp
ret 2
RPORT endp
IO_TEXT ends
end