[picodrive.git] / Pico / cd / cd_file.c

/*
#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"
*/

#include <sys/stat.h>
#include "cd_file.h"

#include "../PicoInt.h"

#define cdprintf printf
//#define cdprintf(x...)

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)
{
	struct stat file_stat;
	int i, j, num_track, Cur_LBA, index, ret;
	_scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks;
	FILE *tmp_file;
	char tmp_name[1024], tmp_ext[10];
	static char *exts[] = {
		"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
		"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.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].Lenght = file_stat.st_size;

	if (Tracks[0].Type == TYPE_ISO) Tracks[0].Lenght >>= 11;	// size in sectors
	else Tracks[0].Lenght /= 2352;					// size in sectors


	Tracks[0].F = fopen(iso_name, "rb");
	if (Tracks[0].F == NULL)
	{
		Tracks[0].Type = 0;
		Tracks[0].Lenght = 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

	SCD_TOC_Tracks[0].MSF.M = 0;
	SCD_TOC_Tracks[0].MSF.S = 2;
	SCD_TOC_Tracks[0].MSF.F = 0;

	cdprintf("\nTrack 0 - %02d:%02d:%02d %s\n", 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");

	Cur_LBA = Tracks[0].Lenght;				// Size in sectors

	strcpy(tmp_name, 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++)
		{
			tmp_name[strlen(iso_name) - 4] = 0;
			sprintf(tmp_ext, exts[j], i);
			strcat(tmp_name, tmp_ext);

			tmp_file = fopen(tmp_name, "rb");

			if (tmp_file)
			{
				float fs;
				index = num_track - Pico_mcd->scd.TOC.First_Track;

				stat(tmp_name, &file_stat);

				fs = (float) 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));

				cdprintf("\nTrack %i - %02d:%02d:%02d %s\n", index, SCD_TOC_Tracks[index].MSF.M,
					SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F,
					SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");

				// MP3 File
				Tracks[index].Type = TYPE_MP3;
				fs /= (128>>3); // (float) (MP3_Get_Bitrate(Tracks[num_track - 1].F) >> 3);
				fs *= 75;
				Tracks[index].Lenght = (int) fs;
				Cur_LBA += Tracks[index].Lenght;

				num_track++;
				break;
			}
		}
	}

	Pico_mcd->scd.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;

	LBA_to_MSF(Cur_LBA, &(SCD_TOC_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);

	return 0;
}


void Unload_ISO(void)
{
	int i;

	Track_Played = 99;

	for(i = 0; i < 100; i++)
	{
		if (Tracks[i].F) fclose(Tracks[i].F);
		Tracks[i].F = NULL;
		Tracks[i].Lenght = 0;
		Tracks[i].Type = 0;
	}
}


int FILE_Read_One_LBA_CDC(void)
{
	int where_read;
	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].Lenght) where_read = Tracks[0].Lenght - 1;
		else where_read = Pico_mcd->scd.Cur_LBA;

		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);

		cdprintf("\n\nRead file CDC 1 data sector :\n");
	}
	else									// AUDIO
	{
		// int rate, channel;

		if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3)
		{
			// TODO
			// MP3_Update(cp_buf, &rate, &channel, 0);
			// Write_CD_Audio((short *) cp_buf, rate, channel, 588);
		}

		cdprintf("\n\nRead file CDC 1 audio sector :\n");
	}

	// Update CDC stuff

	CDC_Update_Header();

	if (Pico_mcd->s68k_regs[0x36] & 1)		// DATA track
	{
		if (Pico_mcd->cdc.CTRL.B.B0 & 0x80)		// DECEN = decoding enable
		{
			if (Pico_mcd->cdc.CTRL.B.B0 & 0x04)	// WRRQ : this bit enable write to buffer
			{
				// CAUTION : lookahead bit not implemented

				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);

#ifdef DEBUG_CD
				cdprintf("\nRead -> WA = %d  Buffer[%d] =\n", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
				cdprintf("Header 1 = %.2X %.2X %.2X %.2X\n", Pico_mcd->cdc.HEAD.B.B0,
					Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
				cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
#endif
			}

		}
	}
	else		// music track
	{
		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;

		if (Pico_mcd->cdc.CTRL.B.B0 & 0x80)		// DECEN = decoding enable
		{
			if (Pico_mcd->cdc.CTRL.B.B0 & 0x04)	// WRRQ : this bit enable write to buffer
			{
				// CAUTION : lookahead bit not implemented

				memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
			}
		}
	}

	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80)		// DECEN = decoding enable
	{
		Pico_mcd->cdc.STAT.B.B0 = 0x80;

		if (Pico_mcd->cdc.CTRL.B.B0 & 0x10)	// determine form bit form sub header ?
		{
			Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
		}
		else
		{
			Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
		}

		if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20;	// ECC done
		else Pico_mcd->cdc.STAT.B.B3 = 0x00;	// ECC not done

		if (Pico_mcd->cdc.IFCTRL & 0x20)
		{
			if (Pico_mcd->s68k_regs[0x33] & (1<<5))
			{
				dprintf("cdc dec irq 5");
				SekInterruptS68k(5);
			}

			Pico_mcd->cdc.IFSTAT &= ~0x20;	// DEC interrupt happen
			CDC_Decode_Reg_Read = 0;	// Reset read after DEC int
		}
	}


	return 0;
}


int FILE_Play_CD_LBA(void)
{
	int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track;

	cdprintf("Play FILE Comp\n");

	if (Tracks[index].F == NULL)
	{
		return 1;
	}

	if (Tracks[index].Type == TYPE_MP3)
	{
		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;

		// MP3_Play(index, Track_LBA_Pos); // TODO
	}
	else
	{
		return 3;
	}

	return 0;
}
Commit	Line	Data
bf098bc5	1	/*
	2	#include <stdio.h>
	3	#include <string.h>
	4	#if defined(__WIN__)
	5	#include <windows.h>
	6	#else
	7	#include "port.h"
	8	#endif
	9	#include "cd_sys.h"
	10	#include "cd_file.h"
	11	#include "lc89510.h"
	12	#include "cdda_mp3.h"
	13	#include "star_68k.h"
	14	#include "rom.h"
	15	#include "mem_s68k.h"
	16	*/
	17
	18	#include <sys/stat.h>
	19	#include "cd_file.h"
	20
	21	#include "../PicoInt.h"
	22
	23	#define cdprintf printf
	24	//#define cdprintf(x...)
	25
	26	struct _file_track Tracks[100];
	27	char Track_Played;
	28
	29
	30	int FILE_Init(void)
	31	{
	32	// MP3_Init(); // TODO
	33	Unload_ISO();
	34
	35	return 0;
	36	}
	37
	38
	39	void FILE_End(void)
	40	{
	41	Unload_ISO();
	42	}
	43
	44
	45	int Load_ISO(const char *iso_name, int is_bin)
	46	{
	47	struct stat file_stat;
	48	int i, j, num_track, Cur_LBA, index, ret;
	49	_scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks;
	50	FILE *tmp_file;
	51	char tmp_name[1024], tmp_ext[10];
	52	static char *exts[] = {
	53	"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
	54	"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
	55	/* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
	56	"%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
	57	};
	58
	59	Unload_ISO();
	60
	61	Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO;
	62
	63	ret = stat(iso_name, &file_stat);
	64	if (ret != 0) return -1;
65
66	Tracks[0].Lenght = file_stat.st_size;
67
68	if (Tracks[0].Type == TYPE_ISO) Tracks[0].Lenght >>= 11; // size in sectors
69	else Tracks[0].Lenght /= 2352; // size in sectors
70
71
72	Tracks[0].F = fopen(iso_name, "rb");
73	if (Tracks[0].F == NULL)
74	{
75	Tracks[0].Type = 0;
76	Tracks[0].Lenght = 0;
77	return -1;
78	}
79
80	if (Tracks[0].Type == TYPE_ISO) fseek(Tracks[0].F, 0x100, SEEK_SET);
81	else fseek(Tracks[0].F, 0x110, SEEK_SET);
82
83	// fread(buf, 1, 0x200, Tracks[0].F);
84	fseek(Tracks[0].F, 0, SEEK_SET);
85
86	Pico_mcd->scd.TOC.First_Track = 1;
87
88	SCD_TOC_Tracks[0].Num = 1;
89	SCD_TOC_Tracks[0].Type = 1; // DATA
90
91	SCD_TOC_Tracks[0].MSF.M = 0;
92	SCD_TOC_Tracks[0].MSF.S = 2;
93	SCD_TOC_Tracks[0].MSF.F = 0;
94
95	cdprintf("\nTrack 0 - %02d:%02d:%02d %s\n", SCD_TOC_Tracks[0].MSF.M, SCD_TOC_Tracks[0].MSF.S, SCD_TOC_Tracks[0].MSF.F,
96	SCD_TOC_Tracks[0].Type ? "DATA" : "AUDIO");
97
98	Cur_LBA = Tracks[0].Lenght; // Size in sectors
99
100	strcpy(tmp_name, iso_name);
101
102	for(num_track = 2, i = 0; i < 100; i++)
103	{
104	if (sizeof(exts)/sizeof(char *) != 10) { printf("eee"); exit(1); }
105
106	for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
107	{
108	tmp_name[strlen(iso_name) - 4] = 0;
109	sprintf(tmp_ext, exts[j], i);
110	strcat(tmp_name, tmp_ext);
111
112	tmp_file = fopen(tmp_name, "rb");
113
114	if (tmp_file)
115	{
116	float fs;
117	index = num_track - Pico_mcd->scd.TOC.First_Track;
118
119	stat(tmp_name, &file_stat);
120
121	fs = (float) file_stat.st_size; // used to calculate lenght
122
123	Tracks[index].F = tmp_file;
124
125	SCD_TOC_Tracks[index].Num = num_track;
126	SCD_TOC_Tracks[index].Type = 0; // AUDIO
127
128	LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
129
130	cdprintf("\nTrack %i - %02d:%02d:%02d %s\n", index, SCD_TOC_Tracks[index].MSF.M,
131	SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F,
132	SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");
133
134	// MP3 File
135	Tracks[index].Type = TYPE_MP3;
136	fs /= (128>>3); // (float) (MP3_Get_Bitrate(Tracks[num_track - 1].F) >> 3);
137	fs *= 75;
138	Tracks[index].Lenght = (int) fs;
139	Cur_LBA += Tracks[index].Lenght;
140
141	num_track++;
142	break;
143	}
144	}
145	}
146
147	Pico_mcd->scd.TOC.Last_Track = num_track - 1;
148
149	index = num_track - Pico_mcd->scd.TOC.First_Track;
150	SCD_TOC_Tracks[index].Num = num_track;
151	SCD_TOC_Tracks[index].Type = 0;
152
153	LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
154
155	cdprintf("End CD - %02d:%02d:%02d\n\n", SCD_TOC_Tracks[index].MSF.M,
156	SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F);
157
158	return 0;
159	}
160
161
162	void Unload_ISO(void)
163	{
164	int i;
165
166	Track_Played = 99;
167
168	for(i = 0; i < 100; i++)
169	{
170	if (Tracks[i].F) fclose(Tracks[i].F);
171	Tracks[i].F = NULL;
172	Tracks[i].Lenght = 0;
173	Tracks[i].Type = 0;
174	}
175	}
176
177
178	int FILE_Read_One_LBA_CDC(void)
179	{
180	int where_read;
181	static char cp_buf[2560];
182
183	if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
184	{
185	if (Tracks[0].F == NULL) return -1;
186
187	if (Pico_mcd->scd.Cur_LBA < 0) where_read = 0;
188	else if (Pico_mcd->scd.Cur_LBA >= Tracks[0].Lenght) where_read = Tracks[0].Lenght - 1;
189	else where_read = Pico_mcd->scd.Cur_LBA;
190
191	if (Tracks[0].Type == TYPE_ISO) where_read <<= 11;
192	else where_read = (where_read * 2352 + 16);
193
194	fseek(Tracks[0].F, where_read, SEEK_SET);
195	fread(cp_buf, 1, 2048, Tracks[0].F);
196
197	cdprintf("\n\nRead file CDC 1 data sector :\n");
198	}
199	else // AUDIO
200	{
201	// int rate, channel;
202
203	if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3)
204	{
205	// TODO
206	// MP3_Update(cp_buf, &rate, &channel, 0);
207	// Write_CD_Audio((short *) cp_buf, rate, channel, 588);
208	}
209
210	cdprintf("\n\nRead file CDC 1 audio sector :\n");
211	}
212
213	// Update CDC stuff
214
215	CDC_Update_Header();
216
217	if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
218	{
219	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
220	{
221	if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
222	{
223	// CAUTION : lookahead bit not implemented
224
225	Pico_mcd->scd.Cur_LBA++;
226
227	Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
228	Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
229
230	memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
231	memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], &Pico_mcd->cdc.HEAD, 4);
232
233	#ifdef DEBUG_CD
234	cdprintf("\nRead -> WA = %d Buffer[%d] =\n", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
235	cdprintf("Header 1 = %.2X %.2X %.2X %.2X\n", Pico_mcd->cdc.HEAD.B.B0,
236	Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
237	cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
238	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
239	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
240	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
241	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
242	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
243	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
244	#endif
245	}
246
247	}
248	}
249	else // music track
250	{
251	Pico_mcd->scd.Cur_LBA++;
252
253	Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
254	Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
255
256	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
257	{
258	if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
259	{
260	// CAUTION : lookahead bit not implemented
261
262	memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
263	}
264	}
265	}
266
267	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
268	{
269	Pico_mcd->cdc.STAT.B.B0 = 0x80;
270
271	if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
272	{
273	Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
274	}
275	else
276	{
277	Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
278	}
279
280	if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
281	else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
282
283	if (Pico_mcd->cdc.IFCTRL & 0x20)
284	{
285	if (Pico_mcd->s68k_regs[0x33] & (1<<5))
286	{
287	dprintf("cdc dec irq 5");
288	SekInterruptS68k(5);
289	}
290
291	Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
292	CDC_Decode_Reg_Read = 0; // Reset read after DEC int
293	}
294	}
295
296
297	return 0;
298	}
299
300
301	int FILE_Play_CD_LBA(void)
302	{
303	int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track;
304
305	cdprintf("Play FILE Comp\n");
306
307	if (Tracks[index].F == NULL)
308	{
309	return 1;
310	}
311
312	if (Tracks[index].Type == TYPE_MP3)
313	{
314	int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track);
315	if (Track_LBA_Pos < 0) Track_LBA_Pos = 0;
316
317	// MP3_Play(index, Track_LBA_Pos); // TODO
318	}
319	else
320	{
321	return 3;
322	}
323
324	return 0;
325	}
326