/* Extended Module Player
 * Copyright (C) 1996-1999 Claudio Matsuoka and Hipolito Carraro Jr
 *
 * This file is part of the Extended Module Player and is distributed
 * under the terms of the GNU General Public License. See doc/COPYING
 * for more information.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#define __XMP_LOADERS_COMMON

#include "xmp.h"
#include "period.h"
#include "load.h"


void set_xxh_defaults (struct xxm_header *xxh)
{
    memset (xxh, 0, sizeof (struct xxm_header));
    xxh->gvl = 0x40;
    xxh->tpo = 6;
    xxh->bpm = 125;
    xxh->chn = 4;
    xxh->ins = 31;
    xxh->smp = xxh->ins;
}


void cvt_pt_event (struct xxm_event *event, uint8 *mod_event)
{
    event->note = period_to_note ((LSN (mod_event[0]) << 8) + mod_event[1]);
    event->ins = ((MSN (mod_event[0]) << 4) | MSN (mod_event[2]));
    event->fxt = LSN (mod_event[2]);
    event->fxp = mod_event[3];

    disable_continue_fx (event);    
}


void disable_continue_fx (struct xxm_event *event)
{
    if (!event->fxp) {
	switch (event->fxt) {
	case 0x05:
	    event->fxt = 0x03;
	    break;
	case 0x06:
	    event->fxt = 0x04;
	    break;
	case 0x01:
	case 0x02:
	case 0x0a:
	    event->fxt = 0x00;
	}
    }
}