--- /dev/null
+/***********************************************************\r
+ * *\r
+ * This source file was taken from the Gens project *\r
+ * Written by Stéphane Dallongeville *\r
+ * Copyright (c) 2002 by Stéphane Dallongeville *\r
+ * Modified/adapted for PicoDrive by notaz, 2007 *\r
+ * *\r
+ ***********************************************************/\r
+\r
+#include <stdio.h>\r
+\r
+#include "../pico_int.h"\r
+#include "cd_sys.h"\r
+#include "cd_file.h"\r
+\r
+#define DEBUG_CD\r
+\r
+#define TRAY_OPEN 0x0500 // TRAY OPEN CDD status\r
+#define NOCD 0x0000 // CD removed CDD status\r
+#define STOPPED 0x0900 // STOPPED CDD status (happen after stop or close tray command)\r
+#define READY 0x0400 // READY CDD status (also used for seeking)\r
+#define FAST_FOW 0x0300 // FAST FORWARD track CDD status\r
+#define FAST_REV 0x10300 // FAST REVERSE track CDD status\r
+#define PLAYING 0x0100 // PLAYING audio track CDD status\r
+\r
+\r
+static int CD_Present = 0;\r
+\r
+\r
+#define CHECK_TRAY_OPEN \\r
+if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) \\r
+{ \\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r
+ \\r
+ Pico_mcd->cdd.Minute = 0; \\r
+ Pico_mcd->cdd.Seconde = 0; \\r
+ Pico_mcd->cdd.Frame = 0; \\r
+ Pico_mcd->cdd.Ext = 0; \\r
+ \\r
+ Pico_mcd->scd.CDD_Complete = 1; \\r
+ \\r
+ return 2; \\r
+}\r
+\r
+\r
+#define CHECK_CD_PRESENT \\r
+if (!CD_Present) \\r
+{ \\r
+ Pico_mcd->scd.Status_CDD = NOCD; \\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r
+ \\r
+ Pico_mcd->cdd.Minute = 0; \\r
+ Pico_mcd->cdd.Seconde = 0; \\r
+ Pico_mcd->cdd.Frame = 0; \\r
+ Pico_mcd->cdd.Ext = 0; \\r
+ \\r
+ Pico_mcd->scd.CDD_Complete = 1; \\r
+ \\r
+ return 3; \\r
+}\r
+\r
+\r
+static int MSF_to_LBA(_msf *MSF)\r
+{\r
+ return (MSF->M * 60 * 75) + (MSF->S * 75) + MSF->F - 150;\r
+}\r
+\r
+\r
+PICO_INTERNAL void LBA_to_MSF(int lba, _msf *MSF)\r
+{\r
+ if (lba < -150) lba = 0;\r
+ else lba += 150;\r
+ MSF->M = lba / (60 * 75);\r
+ MSF->S = (lba / 75) % 60;\r
+ MSF->F = lba % 75;\r
+}\r
+\r
+\r
+static unsigned int MSF_to_Track(_msf *MSF)\r
+{\r
+ int i, Start, Cur;\r
+\r
+ Start = (MSF->M << 16) + (MSF->S << 8) + MSF->F;\r
+\r
+ for(i = 1; i <= (Pico_mcd->TOC.Last_Track + 1); i++)\r
+ {\r
+ Cur = Pico_mcd->TOC.Tracks[i - 1].MSF.M << 16;\r
+ Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.S << 8;\r
+ Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.F;\r
+\r
+ if (Cur > Start) break;\r
+ }\r
+\r
+ --i;\r
+\r
+ if (i > Pico_mcd->TOC.Last_Track) return 100;\r
+ else if (i < 1) i = 1;\r
+\r
+ return (unsigned) i;\r
+}\r
+\r
+\r
+static unsigned int LBA_to_Track(int lba)\r
+{\r
+ _msf MSF;\r
+\r
+ LBA_to_MSF(lba, &MSF);\r
+ return MSF_to_Track(&MSF);\r
+}\r
+\r
+\r
+static void Track_to_MSF(int track, _msf *MSF)\r
+{\r
+ if (track < 1) track = 1;\r
+ else if (track > Pico_mcd->TOC.Last_Track) track = Pico_mcd->TOC.Last_Track;\r
+\r
+ MSF->M = Pico_mcd->TOC.Tracks[track - 1].MSF.M;\r
+ MSF->S = Pico_mcd->TOC.Tracks[track - 1].MSF.S;\r
+ MSF->F = Pico_mcd->TOC.Tracks[track - 1].MSF.F;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Track_to_LBA(int track)\r
+{\r
+ _msf MSF;\r
+\r
+ Track_to_MSF(track, &MSF);\r
+ return MSF_to_LBA(&MSF);\r
+}\r
+\r
+\r
+PICO_INTERNAL void Check_CD_Command(void)\r
+{\r
+ cdprintf("CHECK CD COMMAND");\r
+\r
+ // Check CDC\r
+ if (Pico_mcd->scd.Status_CDC & 1) // CDC is reading data ...\r
+ {\r
+ cdprintf("Got a read command");\r
+\r
+ // DATA ?\r
+ if (Pico_mcd->scd.Cur_Track == 1)\r
+ Pico_mcd->s68k_regs[0x36] |= 0x01;\r
+ else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r
+\r
+ if (Pico_mcd->scd.File_Add_Delay == 0)\r
+ {\r
+ FILE_Read_One_LBA_CDC();\r
+ }\r
+ else Pico_mcd->scd.File_Add_Delay--;\r
+ }\r
+\r
+ // Check CDD\r
+ if (Pico_mcd->scd.CDD_Complete)\r
+ {\r
+ Pico_mcd->scd.CDD_Complete = 0;\r
+\r
+ CDD_Export_Status();\r
+ }\r
+\r
+ if (Pico_mcd->scd.Status_CDD == FAST_FOW)\r
+ {\r
+ Pico_mcd->scd.Cur_LBA += 10;\r
+ CDC_Update_Header();\r
+\r
+ }\r
+ else if (Pico_mcd->scd.Status_CDD == FAST_REV)\r
+ {\r
+ Pico_mcd->scd.Cur_LBA -= 10;\r
+ if (Pico_mcd->scd.Cur_LBA < -150) Pico_mcd->scd.Cur_LBA = -150;\r
+ CDC_Update_Header();\r
+ }\r
+}\r
+\r
+\r
+PICO_INTERNAL int Init_CD_Driver(void)\r
+{\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL void End_CD_Driver(void)\r
+{\r
+ Unload_ISO();\r
+}\r
+\r
+\r
+PICO_INTERNAL void Reset_CD(void)\r
+{\r
+ Pico_mcd->scd.Cur_Track = 0;\r
+ Pico_mcd->scd.Cur_LBA = -150;\r
+ Pico_mcd->scd.Status_CDC &= ~1;\r
+ Pico_mcd->scd.Status_CDD = CD_Present ? READY : NOCD;\r
+ Pico_mcd->scd.CDD_Complete = 0;\r
+ Pico_mcd->scd.File_Add_Delay = 0;\r
+}\r
+\r
+\r
+int Insert_CD(char *cdimg_name, int type)\r
+{\r
+ int ret = 1;\r
+\r
+ CD_Present = 0;\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+\r
+ if (cdimg_name != NULL && type != CIT_NOT_CD)\r
+ {\r
+ ret = Load_CD_Image(cdimg_name, type);\r
+ if (ret == 0) {\r
+ CD_Present = 1;\r
+ Pico_mcd->scd.Status_CDD = READY;\r
+ }\r
+ }\r
+\r
+ return ret;\r
+}\r
+\r
+\r
+void Stop_CD(void)\r
+{\r
+ Unload_ISO();\r
+ CD_Present = 0;\r
+}\r
+\r
+\r
+/*\r
+PICO_INTERNAL void Change_CD(void)\r
+{\r
+ if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) Close_Tray_CDD_cC();\r
+ else Open_Tray_CDD_cD();\r
+}\r
+*/\r
+\r
+PICO_INTERNAL int Get_Status_CDD_c0(void)\r
+{\r
+ cdprintf("Status command : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r
+\r
+ // Clear immediat status\r
+ if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0200)\r
+ Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r
+ else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0700)\r
+ Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r
+ else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0E00)\r
+ Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Stop_CDD_c1(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r
+\r
+ if (CD_Present) Pico_mcd->scd.Status_CDD = STOPPED;\r
+ else Pico_mcd->scd.Status_CDD = NOCD;\r
+ Pico_mcd->cdd.Status = 0x0000;\r
+\r
+ Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Get_Pos_CDD_c20(void)\r
+{\r
+ _msf MSF;\r
+\r
+ cdprintf("command 200 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r
+\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->cdd.Status &= 0xFF;\r
+ if (!CD_Present)\r
+ {\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ }\r
+// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+\r
+ cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r
+\r
+ LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r
+ Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r
+ Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Get_Track_Pos_CDD_c21(void)\r
+{\r
+ int elapsed_time;\r
+ _msf MSF;\r
+\r
+ cdprintf("command 201 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r
+\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->cdd.Status &= 0xFF;\r
+ if (!CD_Present)\r
+ {\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ }\r
+// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+\r
+ elapsed_time = Pico_mcd->scd.Cur_LBA - Track_to_LBA(LBA_to_Track(Pico_mcd->scd.Cur_LBA));\r
+ LBA_to_MSF(elapsed_time - 150, &MSF);\r
+\r
+ cdprintf(" elapsed = %d", elapsed_time);\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r
+ Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r
+ Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Get_Current_Track_CDD_c22(void)\r
+{\r
+ cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r
+\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->cdd.Status &= 0xFF;\r
+ if (!CD_Present)\r
+ {\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ }\r
+// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+\r
+ Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r
+\r
+ if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r
+ else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Get_Total_Lenght_CDD_c23(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->cdd.Status &= 0xFF;\r
+ if (!CD_Present)\r
+ {\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ }\r
+// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.M);\r
+ Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.S);\r
+ Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.F);\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Get_First_Last_Track_CDD_c24(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->cdd.Status &= 0xFF;\r
+ if (!CD_Present)\r
+ {\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+ }\r
+// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(1);\r
+ Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Last_Track);\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Get_Track_Adr_CDD_c25(void)\r
+{\r
+ int track_number;\r
+\r
+ CHECK_TRAY_OPEN\r
+\r
+ // track number in TC4 & TC5\r
+\r
+ track_number = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r
+\r
+ Pico_mcd->cdd.Status &= 0xFF;\r
+ if (!CD_Present)\r
+ {\r
+ Pico_mcd->scd.Status_CDD = NOCD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ }\r
+// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+ Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r
+\r
+ if (track_number > Pico_mcd->TOC.Last_Track) track_number = Pico_mcd->TOC.Last_Track;\r
+ else if (track_number < 1) track_number = 1;\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.M);\r
+ Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.S);\r
+ Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.F);\r
+ Pico_mcd->cdd.Ext = track_number % 10;\r
+\r
+ if (track_number == 1) Pico_mcd->cdd.Frame |= 0x0800; // data track\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Play_CDD_c3(void)\r
+{\r
+ _msf MSF;\r
+ int delay, new_lba;\r
+\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ // MSF of the track to play in TC buffer\r
+\r
+ MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r
+ MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r
+ MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r
+\r
+ Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r
+\r
+ new_lba = MSF_to_LBA(&MSF);\r
+ delay = new_lba - Pico_mcd->scd.Cur_LBA;\r
+ if (delay < 0) delay = -delay;\r
+ delay >>= 12;\r
+\r
+ Pico_mcd->scd.Cur_LBA = new_lba;\r
+ CDC_Update_Header();\r
+\r
+ cdprintf("Read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r
+\r
+ if (Pico_mcd->scd.Status_CDD != PLAYING) delay += 20;\r
+\r
+ Pico_mcd->scd.Status_CDD = PLAYING;\r
+ Pico_mcd->cdd.Status = 0x0102;\r
+// Pico_mcd->cdd.Status = COMM_OK;\r
+\r
+ if (Pico_mcd->scd.File_Add_Delay == 0) Pico_mcd->scd.File_Add_Delay = delay;\r
+\r
+ if (Pico_mcd->scd.Cur_Track == 1)\r
+ {\r
+ Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r
+ }\r
+ else\r
+ {\r
+ Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r
+ cdda_start_play();\r
+ }\r
+\r
+ if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r
+ else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Seek_CDD_c4(void)\r
+{\r
+ _msf MSF;\r
+\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ // MSF to seek in TC buffer\r
+\r
+ MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r
+ MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r
+ MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r
+\r
+ Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r
+ Pico_mcd->scd.Cur_LBA = MSF_to_LBA(&MSF);\r
+ CDC_Update_Header();\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r
+\r
+ Pico_mcd->scd.Status_CDD = READY;\r
+ Pico_mcd->cdd.Status = 0x0200;\r
+\r
+ // DATA ?\r
+ if (Pico_mcd->scd.Cur_Track == 1)\r
+ Pico_mcd->s68k_regs[0x36] |= 0x01;\r
+ else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Pause_CDD_c6(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read to start a new one if raw data\r
+\r
+ Pico_mcd->scd.Status_CDD = READY;\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r
+\r
+ Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Resume_CDD_c7(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r
+\r
+#ifdef DEBUG_CD\r
+ {\r
+ _msf MSF;\r
+ LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r
+ cdprintf("Resume read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r
+ }\r
+#endif\r
+\r
+ Pico_mcd->scd.Status_CDD = PLAYING;\r
+ Pico_mcd->cdd.Status = 0x0102;\r
+\r
+ if (Pico_mcd->scd.Cur_Track == 1)\r
+ {\r
+ Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r
+ }\r
+ else\r
+ {\r
+ Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r
+ cdda_start_play();\r
+ }\r
+\r
+ if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r
+ else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Fast_Foward_CDD_c8(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r
+\r
+ Pico_mcd->scd.Status_CDD = FAST_FOW;\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Fast_Rewind_CDD_c9(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r
+\r
+ Pico_mcd->scd.Status_CDD = FAST_REV;\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r
+\r
+ Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Close_Tray_CDD_cC(void)\r
+{\r
+ CD_Present = 0;\r
+ //Clear_Sound_Buffer();\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r
+\r
+ elprintf(EL_STATUS, "tray close\n");\r
+\r
+ if (PicoMCDcloseTray != NULL)\r
+ CD_Present = PicoMCDcloseTray();\r
+\r
+ Pico_mcd->scd.Status_CDD = CD_Present ? STOPPED : NOCD;\r
+ Pico_mcd->cdd.Status = 0x0000;\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int Open_Tray_CDD_cD(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r
+\r
+ elprintf(EL_STATUS, "tray open\n");\r
+\r
+ Unload_ISO();\r
+ CD_Present = 0;\r
+\r
+ if (PicoMCDopenTray != NULL)\r
+ PicoMCDopenTray();\r
+\r
+ Pico_mcd->scd.Status_CDD = TRAY_OPEN;\r
+ Pico_mcd->cdd.Status = 0x0E00;\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int CDD_cA(void)\r
+{\r
+ CHECK_TRAY_OPEN\r
+ CHECK_CD_PRESENT\r
+\r
+ Pico_mcd->scd.Status_CDC &= ~1;\r
+\r
+ Pico_mcd->scd.Status_CDD = READY;\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = INT_TO_BCDW(1);\r
+ Pico_mcd->cdd.Frame = INT_TO_BCDW(1);\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ Pico_mcd->scd.CDD_Complete = 1;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
+PICO_INTERNAL int CDD_Def(void)\r
+{\r
+ Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r
+\r
+ Pico_mcd->cdd.Minute = 0;\r
+ Pico_mcd->cdd.Seconde = 0;\r
+ Pico_mcd->cdd.Frame = 0;\r
+ Pico_mcd->cdd.Ext = 0;\r
+\r
+ return 0;\r
+}\r
+\r
+\r
notaz.gp2x.de / picodrive.git / blobdiff