-/*
-#include <stdio.h>
-#include <string.h>
-#if defined(__WIN__)
-#include <windows.h>
-#else
-#include "port.h"
-#endif
-#include "cd_sys.h"
-#include "cd_file.h"
-#include "lc89510.h"
-#include "cdda_mp3.h"
-#include "star_68k.h"
-#include "rom.h"
-#include "mem_s68k.h"
-*/
+/***********************************************************
+ * *
+ * This source was taken from the Gens project *
+ * Written by Stéphane Dallongeville *
+ * Copyright (c) 2002 by Stéphane Dallongeville *
+ * Modified/adapted for PicoDrive by notaz, 2007 *
+ * *
+ ***********************************************************/
#include <sys/stat.h>
-#include "cd_file.h"
#include "../PicoInt.h"
+#include "cd_file.h"
#define cdprintf dprintf
//#define cdprintf(x...)
#define DEBUG_CD
-struct _file_track Tracks[100];
-char Track_Played;
-
-
-int FILE_Init(void)
-{
-// MP3_Init(); // TODO
- Unload_ISO();
-
- return 0;
-}
-
-
-void FILE_End(void)
-{
- Unload_ISO();
-}
-
-int Load_ISO(const char *iso_name, int is_bin)
+PICO_INTERNAL int Load_ISO(const char *iso_name, int is_bin)
{
- struct stat file_stat;
int i, j, num_track, Cur_LBA, index, ret, iso_name_len;
- _scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks;
- FILE *tmp_file;
+ _scd_track *Tracks = Pico_mcd->TOC.Tracks;
char tmp_name[1024], tmp_ext[10];
+ pm_file *pmf;
static char *exts[] = {
"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
+ "%02d.MP3", " %02d.MP3", "-%02d.MP3", "_%02d.MP3", " - %02d.MP3",
/* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
"%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
};
Unload_ISO();
- Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO;
-
- ret = stat(iso_name, &file_stat);
- if (ret != 0) return -1;
-
- Tracks[0].Length = file_stat.st_size;
-
- if (Tracks[0].Type == TYPE_ISO) Tracks[0].Length >>= 11; // size in sectors
- else Tracks[0].Length /= 2352; // size in sectors
+ Tracks[0].ftype = is_bin ? TYPE_BIN : TYPE_ISO;
-
- Tracks[0].F = fopen(iso_name, "rb");
+ Tracks[0].F = pmf = pm_open(iso_name);
if (Tracks[0].F == NULL)
{
- Tracks[0].Type = 0;
+ Tracks[0].ftype = 0;
Tracks[0].Length = 0;
return -1;
}
- if (Tracks[0].Type == TYPE_ISO) fseek(Tracks[0].F, 0x100, SEEK_SET);
- else fseek(Tracks[0].F, 0x110, SEEK_SET);
-
- // fread(buf, 1, 0x200, Tracks[0].F);
- fseek(Tracks[0].F, 0, SEEK_SET);
-
- Pico_mcd->scd.TOC.First_Track = 1;
-
- SCD_TOC_Tracks[0].Num = 1;
- SCD_TOC_Tracks[0].Type = 1; // DATA
+ if (Tracks[0].ftype == TYPE_ISO)
+ Tracks[0].Length = pmf->size >>= 11; // size in sectors
+ else Tracks[0].Length = pmf->size /= 2352;
- SCD_TOC_Tracks[0].MSF.M = 0; // minutes
- SCD_TOC_Tracks[0].MSF.S = 2; // seconds
- SCD_TOC_Tracks[0].MSF.F = 0; // frames
+ Tracks[0].MSF.M = 0; // minutes
+ Tracks[0].MSF.S = 2; // seconds
+ Tracks[0].MSF.F = 0; // frames
- cdprintf("Track 0 - %02d:%02d:%02d %s", SCD_TOC_Tracks[0].MSF.M, SCD_TOC_Tracks[0].MSF.S, SCD_TOC_Tracks[0].MSF.F,
- SCD_TOC_Tracks[0].Type ? "DATA" : "AUDIO");
+ cdprintf("Track 0 - %02d:%02d:%02d DATA", Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F);
Cur_LBA = Tracks[0].Length; // Size in sectors
- strcpy(tmp_name, iso_name);
iso_name_len = strlen(iso_name);
for (num_track = 2, i = 0; i < 100; i++)
{
- if (sizeof(exts)/sizeof(char *) != 10) { printf("eee"); exit(1); }
-
for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
{
int ext_len;
+ FILE *tmp_file;
sprintf(tmp_ext, exts[j], i);
ext_len = strlen(tmp_ext);
if (tmp_file)
{
- // float fs;
int fs;
- index = num_track - Pico_mcd->scd.TOC.First_Track;
+ struct stat file_stat;
+ index = num_track - 1;
ret = stat(tmp_name, &file_stat);
fs = file_stat.st_size; // used to calculate lenght
Tracks[index].F = tmp_file;
- SCD_TOC_Tracks[index].Num = num_track;
- SCD_TOC_Tracks[index].Type = 0; // AUDIO
-
- LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
+ LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
// MP3 File
- Tracks[index].Type = TYPE_MP3;
+ Tracks[index].ftype = TYPE_MP3;
fs *= 75;
fs /= Tracks[index].KBtps * 1000;
Tracks[index].Length = fs;
Cur_LBA += Tracks[index].Length;
- cdprintf("Track %i: %s - %02d:%02d:%02d len=%i %s", index, tmp_name, SCD_TOC_Tracks[index].MSF.M,
- SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F, fs,
- SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");
+ cdprintf("Track %i: %s - %02d:%02d:%02d len=%i AUDIO", index, tmp_name, Tracks[index].MSF.M,
+ Tracks[index].MSF.S, Tracks[index].MSF.F, fs);
num_track++;
break;
}
}
- Pico_mcd->scd.TOC.Last_Track = num_track - 1;
+ Pico_mcd->TOC.Last_Track = num_track - 1;
- index = num_track - Pico_mcd->scd.TOC.First_Track;
- SCD_TOC_Tracks[index].Num = num_track;
- SCD_TOC_Tracks[index].Type = 0;
+ index = num_track - 1;
- LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
+ LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
- cdprintf("End CD - %02d:%02d:%02d\n\n", SCD_TOC_Tracks[index].MSF.M,
- SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F);
+ cdprintf("End CD - %02d:%02d:%02d\n\n", Tracks[index].MSF.M,
+ Tracks[index].MSF.S, Tracks[index].MSF.F);
return 0;
}
-void Unload_ISO(void)
+PICO_INTERNAL void Unload_ISO(void)
{
int i;
- Track_Played = 99;
+ if (Pico_mcd == NULL) return;
- for(i = 0; i < 100; i++)
+ if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
+
+ for(i = 1; i < 100; i++)
{
- if (Tracks[i].F) fclose(Tracks[i].F);
- Tracks[i].F = NULL;
- Tracks[i].Length = 0;
- Tracks[i].Type = 0;
+ if (Pico_mcd->TOC.Tracks[i].F) fclose(Pico_mcd->TOC.Tracks[i].F);
}
+ memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks));
}
-int FILE_Read_One_LBA_CDC(void)
+PICO_INTERNAL int FILE_Read_One_LBA_CDC(void)
{
- int where_read;
- static char cp_buf[2560];
+// static char cp_buf[2560];
if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
{
- if (Tracks[0].F == NULL) return -1;
-
- if (Pico_mcd->scd.Cur_LBA < 0) where_read = 0;
- else if (Pico_mcd->scd.Cur_LBA >= Tracks[0].Length) where_read = Tracks[0].Length - 1;
- else where_read = Pico_mcd->scd.Cur_LBA;
+ if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;
- if (Tracks[0].Type == TYPE_ISO) where_read <<= 11;
- else where_read = (where_read * 2352 + 16);
-
- fseek(Tracks[0].F, where_read, SEEK_SET);
- fread(cp_buf, 1, 2048, Tracks[0].F);
+ // moved below..
+ //fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
+ //fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F);
cdprintf("Read file CDC 1 data sector :\n");
}
{
// int rate, channel;
- if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3)
+ // if (Pico_mcd->TOC.Tracks[Pico_mcd->scd.Cur_Track - 1].ftype == TYPE_MP3)
{
// TODO
// MP3_Update(cp_buf, &rate, &channel, 0);
{
if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
{
+ int where_read = 0;
+
// CAUTION : lookahead bit not implemented
+ if (Pico_mcd->scd.Cur_LBA < 0)
+ where_read = 0;
+ else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length)
+ where_read = Pico_mcd->TOC.Tracks[0].Length - 1;
+ else where_read = Pico_mcd->scd.Cur_LBA;
+
Pico_mcd->scd.Cur_LBA++;
Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], &Pico_mcd->cdc.HEAD, 4);
+ *(unsigned int *)(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N;
+ //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
+
+ //pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
+ //pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F);
+ PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read);
#ifdef DEBUG_CD
cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
{
// CAUTION : lookahead bit not implemented
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
+ //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
}
}
}
SekInterruptS68k(5);
}
- Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
- CDC_Decode_Reg_Read = 0; // Reset read after DEC int
+ Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
+ Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int
}
}
}
-int FILE_Play_CD_LBA(void)
+PICO_INTERNAL int FILE_Play_CD_LBA(void)
{
- int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track;
+ int index = Pico_mcd->scd.Cur_Track - 1;
+ Pico_mcd->m.audio_track = index;
- cdprintf("Play FILE Comp");
+ cdprintf("Play track #%i", Pico_mcd->scd.Cur_Track);
- if (Tracks[index].F == NULL)
+ if (Pico_mcd->TOC.Tracks[index].F == NULL)
{
return 1;
}
- if (Tracks[index].Type == TYPE_MP3)
+ if (Pico_mcd->TOC.Tracks[index].ftype == TYPE_MP3)
{
- int pos1000 = 0;
+ int pos1024 = 0;
int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track);
if (Track_LBA_Pos < 0) Track_LBA_Pos = 0;
if (Track_LBA_Pos)
- pos1000 = Track_LBA_Pos * 1024 / Tracks[index].Length;
+ pos1024 = Track_LBA_Pos * 1024 / Pico_mcd->TOC.Tracks[index].Length;
- mp3_start_play(Tracks[index].F, pos1000);
+ mp3_start_play(Pico_mcd->TOC.Tracks[index].F, pos1024);
}
else
{
notaz.gp2x.de / picodrive.git / blobdiff