PICO_INTERNAL int Get_Track_Pos_CDD_c21(void)
{
int elapsed_time;
_msf MSF;
cdprintf("command 201 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);
CHECK_TRAY_OPEN
Pico_mcd->cdd.Status &= 0xFF;
if (!CD_Present)
{
Pico_mcd->scd.Status_CDD = NOCD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
elapsed_time = Pico_mcd->scd.Cur_LBA - Track_to_LBA(LBA_to_Track(Pico_mcd->scd.Cur_LBA));
LBA_to_MSF(elapsed_time - 150, &MSF);
cdprintf(" elapsed = %d", elapsed_time);
Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);
Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);
Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
int
Get_Pos_CDD_c20 (void)
{
_msf MSF;
#ifdef DEBUG_CD
fprintf (debug_SCD_file, "command 200 : Cur LBA = %d\n", SCD.Cur_LBA);
#endif
CHECK_TRAY_OPEN CDD.Status &= 0xFF;
if (!CD_Present)
{
SCD.Status_CDD = NOCD;
CDD.Status |= SCD.Status_CDD;
}
//else if (!(CDC.CTRL.B.B0 & 0x80)) CDD.Status |= SCD.Status_CDD; //aggiunta
CDD.Status |= SCD.Status_CDD;
#ifdef DEBUG_CD
fprintf (debug_SCD_file, "Status CDD = %.4X Status = %.4X\n",
SCD.Status_CDD, CDD.Status);
#endif
LBA_to_MSF (SCD.Cur_LBA, &MSF);
CDD.Minute = INT_TO_BCDW (MSF.M);
CDD.Seconde = INT_TO_BCDW (MSF.S);
CDD.Frame = INT_TO_BCDW (MSF.F);
CDD.Ext = 0;
CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Get_Pos_CDD_c20(void)
{
_msf MSF;
cdprintf("command 200 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);
CHECK_TRAY_OPEN
Pico_mcd->cdd.Status &= 0xFF;
if (!CD_Present)
{
Pico_mcd->scd.Status_CDD = NOCD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);
LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);
Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);
Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);
Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Get_Track_Adr_CDD_c25(void)
{
int track_number;
CHECK_TRAY_OPEN
// track number in TC4 & TC5
track_number = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);
Pico_mcd->cdd.Status &= 0xFF;
if (!CD_Present)
{
Pico_mcd->scd.Status_CDD = NOCD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
if (track_number > Pico_mcd->TOC.Last_Track) track_number = Pico_mcd->TOC.Last_Track;
else if (track_number < 1) track_number = 1;
Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.M);
Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.S);
Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.F);
Pico_mcd->cdd.Ext = track_number % 10;
if (track_number == 1) Pico_mcd->cdd.Frame |= 0x0800; // data track
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
int
Get_Track_Pos_CDD_c21 (void)
{
int elapsed_time;
_msf MSF;
#ifdef DEBUG_CD
fprintf (debug_SCD_file, "command 201 : Cur LBA = %d", SCD.Cur_LBA);
#endif
CHECK_TRAY_OPEN CDD.Status &= 0xFF;
if (!CD_Present)
{
SCD.Status_CDD = NOCD;
CDD.Status |= SCD.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) CDD.Status |= SCD.Status_CDD;
CDD.Status |= SCD.Status_CDD;
elapsed_time = SCD.Cur_LBA - Track_to_LBA (LBA_to_Track (SCD.Cur_LBA));
LBA_to_MSF (elapsed_time - 150, &MSF);
#ifdef DEBUG_CD
fprintf (debug_SCD_file, " elapsed = %d\n", elapsed_time);
#endif
CDD.Minute = INT_TO_BCDW (MSF.M);
CDD.Seconde = INT_TO_BCDW (MSF.S);
CDD.Frame = INT_TO_BCDW (MSF.F);
CDD.Ext = 0;
CDD_Complete = 1;
return 0;
}
int
Get_Track_Adr_CDD_c25 (void)
{
CHECK_TRAY_OPEN
// track number in TC4 & TC5
track_number = (CDD.Trans_Comm[4] & 0xF) + (CDD.Trans_Comm[5] & 0xF) * 10;
CDD.Status &= 0xFF;
if (!CD_Present)
{
SCD.Status_CDD = NOCD;
CDD.Status |= SCD.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) CDD.Status |= SCD.Status_CDD;
CDD.Status |= SCD.Status_CDD;
if (track_number > SCD.TOC.Last_Track)
track_number = SCD.TOC.Last_Track;
else if (track_number < SCD.TOC.First_Track)
track_number = SCD.TOC.First_Track;
CDD.Minute =
INT_TO_BCDW (SCD.TOC.Tracks[track_number - SCD.TOC.First_Track].MSF.M);
CDD.Seconde =
INT_TO_BCDW (SCD.TOC.Tracks[track_number - SCD.TOC.First_Track].MSF.S);
CDD.Frame =
INT_TO_BCDW (SCD.TOC.Tracks[track_number - SCD.TOC.First_Track].MSF.F);
CDD.Ext = track_number % 10;
if (SCD.TOC.Tracks[track_number - SCD.TOC.First_Track].Type)
CDD.Frame |= 0x0800;
CDD_Complete = 1;
return 0;
}
int
Get_Total_Lenght_CDD_c23 (void)
{
CHECK_TRAY_OPEN CDD.Status &= 0xFF;
if (!CD_Present)
{
SCD.Status_CDD = NOCD;
CDD.Status |= SCD.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) CDD.Status |= SCD.Status_CDD;
CDD.Status |= SCD.Status_CDD;
CDD.Minute =
INT_TO_BCDW (SCD.TOC.Tracks[SCD.TOC.Last_Track - SCD.TOC.First_Track + 1].
MSF.M);
CDD.Seconde =
INT_TO_BCDW (SCD.TOC.Tracks[SCD.TOC.Last_Track - SCD.TOC.First_Track + 1].
MSF.S);
CDD.Frame =
INT_TO_BCDW (SCD.TOC.Tracks[SCD.TOC.Last_Track - SCD.TOC.First_Track + 1].
MSF.F);
CDD.Ext = 0;
CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Get_Current_Track_CDD_c22(void)
{
cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);
CHECK_TRAY_OPEN
Pico_mcd->cdd.Status &= 0xFF;
if (!CD_Present)
{
Pico_mcd->scd.Status_CDD = NOCD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);
if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;
else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);
Pico_mcd->cdd.Seconde = 0;
Pico_mcd->cdd.Frame = 0;
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
int
Get_Current_Track_CDD_c22 (void)
{
#ifdef DEBUG_CD
fprintf (debug_SCD_file, "Status CDD = %.4X Status = %.4X\n",
SCD.Status_CDD, CDD.Status);
#endif
CHECK_TRAY_OPEN CDD.Status &= 0xFF;
if (!CD_Present)
{
SCD.Status_CDD = NOCD;
CDD.Status |= SCD.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) CDD.Status |= SCD.Status_CDD;
CDD.Status |= SCD.Status_CDD;
SCD.Cur_Track = LBA_to_Track (SCD.Cur_LBA);
if (SCD.Cur_Track == 100)
CDD.Minute = 0x0A02;
else
CDD.Minute = INT_TO_BCDW (SCD.Cur_Track);
CDD.Seconde = 0;
CDD.Frame = 0;
CDD.Ext = 0;
CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Play_CDD_c3(void)
{
_msf MSF;
int delay, new_lba;
CHECK_TRAY_OPEN
CHECK_CD_PRESENT
// MSF of the track to play in TC buffer
MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);
MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);
MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);
Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);
new_lba = MSF_to_LBA(&MSF);
delay = new_lba - Pico_mcd->scd.Cur_LBA;
if (delay < 0) delay = -delay;
delay >>= 12;
if (Pico_mcd->scd.Cur_LBA > 0 && delay < 13)
// based on genplus GX
delay = 13;
Pico_mcd->scd.Cur_LBA = new_lba;
CDC_Update_Header();
cdprintf("Read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);
if (Pico_mcd->scd.Status_CDD != PLAYING) delay += 20;
Pico_mcd->scd.Status_CDD = PLAYING;
Pico_mcd->cdd.Status = 0x0102;
// Pico_mcd->cdd.Status = COMM_OK;
if (Pico_mcd->scd.File_Add_Delay == 0) Pico_mcd->scd.File_Add_Delay = delay;
if (Pico_mcd->scd.Cur_Track == 1)
{
Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA
}
else
{
Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO
cdda_start_play();
}
if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;
else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);
Pico_mcd->cdd.Seconde = 0;
Pico_mcd->cdd.Frame = 0;
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int CDD_cA(void)
{
CHECK_TRAY_OPEN
CHECK_CD_PRESENT
Pico_mcd->scd.Status_CDC &= ~1;
Pico_mcd->scd.Status_CDD = READY;
Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Minute = 0;
Pico_mcd->cdd.Seconde = INT_TO_BCDW(1);
Pico_mcd->cdd.Frame = INT_TO_BCDW(1);
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Get_First_Last_Track_CDD_c24(void)
{
CHECK_TRAY_OPEN
Pico_mcd->cdd.Status &= 0xFF;
if (!CD_Present)
{
Pico_mcd->scd.Status_CDD = NOCD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Minute = INT_TO_BCDW(1);
Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Last_Track);
Pico_mcd->cdd.Frame = 0;
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
int
Get_First_Last_Track_CDD_c24 (void)
{
CHECK_TRAY_OPEN CDD.Status &= 0xFF;
if (!CD_Present)
{
SCD.Status_CDD = NOCD;
CDD.Status |= SCD.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) CDD.Status |= SCD.Status_CDD;
CDD.Status |= SCD.Status_CDD;
CDD.Minute = INT_TO_BCDW (SCD.TOC.First_Track);
CDD.Seconde = INT_TO_BCDW (SCD.TOC.Last_Track);
CDD.Frame = 0;
CDD.Ext = 0;
CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Get_Total_Lenght_CDD_c23(void)
{
CHECK_TRAY_OPEN
Pico_mcd->cdd.Status &= 0xFF;
if (!CD_Present)
{
Pico_mcd->scd.Status_CDD = NOCD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
}
// else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;
Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.M);
Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.S);
Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.F);
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Fast_Rewind_CDD_c9(void)
{
CHECK_TRAY_OPEN
CHECK_CD_PRESENT
Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read
Pico_mcd->scd.Status_CDD = FAST_REV;
Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;
Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);
Pico_mcd->cdd.Seconde = 0;
Pico_mcd->cdd.Frame = 0;
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
PICO_INTERNAL int Resume_CDD_c7(void)
{
CHECK_TRAY_OPEN
CHECK_CD_PRESENT
Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);
#ifdef DEBUG_CD
{
_msf MSF;
LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);
cdprintf("Resume read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);
}
#endif
Pico_mcd->scd.Status_CDD = PLAYING;
Pico_mcd->cdd.Status = 0x0102;
if (Pico_mcd->scd.Cur_Track == 1)
{
Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA
}
else
{
Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO
cdda_start_play();
}
if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;
else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);
Pico_mcd->cdd.Seconde = 0;
Pico_mcd->cdd.Frame = 0;
Pico_mcd->cdd.Ext = 0;
Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC
Pico_mcd->scd.CDD_Complete = 1;
return 0;
}
int
Play_CDD_c3 (void)
{
_msf MSF;
int delay, new_lba;
CHECK_TRAY_OPEN CHECK_CD_PRESENT if (CD_Load_System == CDROM_) //aggiunta
{
SCD.Status_CDC &= ~1; // Stop read data with CDC
Wait_Read_Complete ();
}
// MSF of the track to play in TC buffer
MSF.M = (CDD.Trans_Comm[2] & 0xF) + (CDD.Trans_Comm[3] & 0xF) * 10;
MSF.S = (CDD.Trans_Comm[4] & 0xF) + (CDD.Trans_Comm[5] & 0xF) * 10;
MSF.F = (CDD.Trans_Comm[6] & 0xF) + (CDD.Trans_Comm[7] & 0xF) * 10;
SCD.Cur_Track = MSF_to_Track (&MSF);
new_lba = MSF_to_LBA (&MSF);
delay = new_lba - SCD.Cur_LBA;
if (delay < 0)
delay = -delay;
delay >>= 12;
SCD.Cur_LBA = new_lba;
CDC_Update_Header ();
#ifdef DEBUG_CD
fprintf (debug_SCD_file, "Read : Cur LBA = %d, M=%d, S=%d, F=%d\n",
SCD.Cur_LBA, MSF.M, MSF.S, MSF.F);
#endif
if (CD_Load_System == CDROM_)
{
delay += 20;
//delay >>= 2;
//ASPI_Seek (SCD.Cur_LBA, 1, ASPI_Fast_Seek_COMP); //aggiunta
}
else if (SCD.Status_CDD != PLAYING)
delay += 20;
SCD.Status_CDD = PLAYING;
CDD.Status = 0x0102;
// CDD.Status = COMM_OK;
if (File_Add_Delay == 0)
File_Add_Delay = delay;
if (SCD.TOC.Tracks[SCD.Cur_Track - SCD.TOC.First_Track].Type)
{
CDD.Control |= 0x0100; // DATA
}
else
{
CDD.Control &= ~0x0100; // AUDIO
CD_Audio_Starting = 1;
if (CD_Load_System == FILE_ISO)
FILE_Play_CD_LBA ();
}
if (SCD.Cur_Track == 100)
CDD.Minute = 0x0A02;
else
CDD.Minute = INT_TO_BCDW (SCD.Cur_Track);
CDD.Seconde = 0;
CDD.Frame = 0;
CDD.Ext = 0;
SCD.Status_CDC |= 1; // Read data with CDC
CDD_Complete = 1;
return 0;
}
