/*
 * cmdport.c -- command port i/o routine
 *
 *	Copyright (C) 1997 by Sony Computer Entertainment
 *			All rights Reserved
 */
#include <stdio.h>
#include <time.h>
#include "cbuffer.h"
#include "getioadr.h"
#include "misc.h"
#include "cmdport.h"
#include "rs.h"

extern void check_exit();

unsigned char oldcomsts;
static	int   cmdportfree;

static cbuffer	outcbuf;

int cmdport_init(long baud)
{
    long bps;

    bps = baud;
    rs_open( &bps, psxbase, irqvect, irqmask);
    clean_cbuffer(outcbuf);
    return OK;
}

void cmdport_term()
{
    rs_close();
}


int scan_cmd_port()
{

    unsigned char outch;
    static time_t starttime = 0;

	if( !is_empty_cbuffer(outcbuf) ) {
		get_cbuffer(outcbuf,outch);
		rs_putch(outch);
	}
    return 0;
}

int get_cmd_port()
{
    unsigned char inch;
	DWORD bytesRead;

	ReadFile(hFile, (LPVOID)&inch, 1, &bytesRead, NULL);

    return inch;
}

void put_cmd_port(int ch)
{
	if( !is_full_cbuffer(outcbuf) ) {
	    put_cbuffer(outcbuf, ch);
	}
}