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section .asm
global insb
global insw
global outb
global outw
insb:
push ebp
mov ebp, esp
xor eax, eax ; Zero out eax
mov dx, [ebp+8]
in al, dx
mov esp, ebp
pop ebp
ret
insw:
push ebp
mov ebp, esp
xor eax, eax ; Zero out eax
mov dx, [ebp+8]
in ax, dx
mov esp, ebp
pop ebp
ret
outb:
push ebp
mov ebp, esp
xor eax, eax
mov ax, [ebp+12] ; val to write
mov dx, [ebp+8] ; to this port
out dx, al
mov esp, ebp
pop ebp
ret
outw:
push ebp
mov ebp, esp
xor eax, eax
mov ax, [ebp+12] ; val to write
mov dx, [ebp+8] ; to this port
out dx, ax
mov esp, ebp
pop ebp
ret
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