// misc_char.cpp
// Miscellaneous character devices
// Author: Josh Holtrop
// Date: 05/11/05
// Modified: 05/11/05

#define _HOS_CPP_ _HOS_CPP_

#include "hos_defines.h"
#include "devices.h"
#include "misc_char.h"
#include "sys/io.h"

int MiscChar::char_read(minor_t minor)
{
	switch (minor)
	{
	case	MISC_CHAR_NULL:
		return DEV_EOF;
	case	MISC_CHAR_ZERO:
		return 0;
	case	MISC_CHAR_LP0:
		return DEV_INVALID_ACCESS;
	default:
		return DEV_INVALID_ACCESS;
	}
}

int MiscChar::char_write(minor_t minor, int c)
{
	switch (minor)
	{
	case	MISC_CHAR_NULL:
		return 0;
	case	MISC_CHAR_ZERO:
		return 0;
	case	MISC_CHAR_LP0:
		outportb(0x37a, 0xc);
		outportb(0x378, c);
		outportb(0x37a, 0x1);
		return 0;
	default:
		return DEV_INVALID_ACCESS;
	}
}