; Helpers for frame buffer which pretty much have to to be 
; written in asm

global serial_control
global serial_read_buffer

serial_control:
	;push ebp
	;mov ebp, esp
	;add esp, 0xc 	; ebp + 2 local vars (32-bit kernel)

	mov al, [esp+8]
	mov dx, [esp+4]
	out dx, al

	;mov esp, ebp
	;pop ebp
	ret

; Read byte from serial port
serial_read_buffer:
	;push ebp
	;mov ebp, esp
	;push ebx

	xor eax, eax
	mov dx, [esp + 4] 	; grab the address of the targeted port
	in al, dx 			; read byte from the port 

	;mov esp, ebp
	;pop ebx
	;pop ebp
	ret