163 lines
4 KiB
C
163 lines
4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Stepan Moskovchenko
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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#include "midiutil.h"
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int chVol[16] IBSS_ATTR; /* Channel volume */
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int chPan[16] IBSS_ATTR; /* Channel panning */
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int chPat[16] IBSS_ATTR; /* Channel patch */
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int chPW[16] IBSS_ATTR; /* Channel pitch wheel, MSB only */
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int chPBDepth[16] IBSS_ATTR; /* Channel pitch bend depth */
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int chPBNoteOffset[16] IBSS_ATTR; /* Pre-computed whole semitone offset */
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int chPBFractBend[16] IBSS_ATTR; /* Fractional bend applied to delta */
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unsigned char chLastCtrlMSB[16]; /* MIDI regs, used for Controller 6. */
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unsigned char chLastCtrlLSB[16]; /* The non-registered ones are ignored */
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struct GPatch * gusload(char *);
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struct GPatch * patchSet[128];
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struct GPatch * drumSet[128];
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struct SynthObject voices[MAX_VOICES] IBSS_ATTR;
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static void *alloc(int size)
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{
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static char *offset = NULL;
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static size_t totalSize = 0;
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char *ret;
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int remainder = size % 4;
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size = size + 4-remainder;
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if (offset == NULL)
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{
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offset = rb->plugin_get_audio_buffer(&totalSize);
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}
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if (size + 4 > (int)totalSize)
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{
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midi_debug("Out of Memory");
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midi_debug("MALLOC BARF");
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midi_debug("MALLOC BARF");
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midi_debug("MALLOC BARF");
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midi_debug("MALLOC BARF");
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midi_debug("MALLOC BARF");
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/* We've made our point. */
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return NULL;
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}
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ret = offset + 4;
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*((unsigned int *)offset) = size;
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offset += size + 4;
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totalSize -= size + 4;
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return ret;
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}
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/* Rick's code */
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/*
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void *alloc(int size)
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{
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static char *offset = NULL;
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static ssize_t totalSize = 0;
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char *ret;
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if (offset == NULL)
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{
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offset = rb->plugin_get_audio_buffer((size_t *)&totalSize);
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}
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if (size + 4 > totalSize)
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{
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return NULL;
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}
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ret = offset + 4;
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*((unsigned int *)offset) = size;
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offset += size + 4;
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totalSize -= size + 4;
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return ret;
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}
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*/
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#define malloc(n) my_malloc(n)
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void * my_malloc(int size)
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{
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return alloc(size);
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}
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unsigned char readChar(int file)
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{
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char buf[2];
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rb->read(file, &buf, 1);
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return buf[0];
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}
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void * readData(int file, int len)
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{
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void * dat = malloc(len);
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rb->read(file, dat, len);
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return dat;
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}
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int eof(int fd)
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{
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int curPos = rb->lseek(fd, 0, SEEK_CUR);
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int size = rb->lseek(fd, 0, SEEK_END);
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rb->lseek(fd, curPos, SEEK_SET);
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return size+1 == rb->lseek(fd, 0, SEEK_CUR);
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}
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/* Here is a hacked up printf command to get the output from the game. */
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int midi_debug(const char *fmt, ...)
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{
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static int p_xtpt = 0;
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char p_buf[50];
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va_list ap;
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va_start(ap, fmt);
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rb->vsnprintf(p_buf,sizeof(p_buf), fmt, ap);
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va_end(ap);
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int i=0;
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/* Device LCDs display newlines funny. */
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for(i=0; p_buf[i]!=0; i++)
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if(p_buf[i] == '\n')
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p_buf[i] = ' ';
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rb->lcd_putsxy(1,p_xtpt, (unsigned char *)p_buf);
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rb->lcd_update();
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p_xtpt+=8;
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if(p_xtpt>LCD_HEIGHT-8)
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{
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p_xtpt=0;
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rb->lcd_clear_display();
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}
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return 1;
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}
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