X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcd%2Fcd_sys.c;h=581583b82688def1d060b03d7b266345ea54c534;hb=583ab72c0b42549235191fd4fad239074dd896af;hp=5bcd3cf119885d4df2ea4d228dbda7807af070d0;hpb=721cd3963fa4ba82ca218345e8f543703dc46c90;p=picodrive.git diff --git a/Pico/cd/cd_sys.c b/Pico/cd/cd_sys.c index 5bcd3cf..581583b 100644 --- a/Pico/cd/cd_sys.c +++ b/Pico/cd/cd_sys.c @@ -1,11 +1,18 @@ +/*********************************************************** + * * + * This source file was taken from the Gens project * + * Written by Stéphane Dallongeville * + * Copyright (c) 2002 by Stéphane Dallongeville * + * Modified/adapted for PicoDrive by notaz, 2007 * + * * + ***********************************************************/ + #include -#include "cd_sys.h" -#include "cd_file.h" #include "../PicoInt.h" +#include "cd_sys.h" +#include "cd_file.h" -#define cdprintf dprintf -//#define cdprintf(x...) #define DEBUG_CD #define TRAY_OPEN 0x0500 // TRAY OPEN CDD status @@ -17,19 +24,7 @@ #define PLAYING 0x0100 // PLAYING audio track CDD status -/* -int CDDA_Enable; - -int CD_Audio_Buffer_L[8192]; -int CD_Audio_Buffer_R[8192]; -int CD_Audio_Buffer_Read_Pos = 0; -int CD_Audio_Buffer_Write_Pos = 2000; -int CD_Audio_Starting; -*/ - static int CD_Present = 0; -// int CD_Timer_Counter = 0; // TODO: check refs - #define CHECK_TRAY_OPEN \ @@ -65,27 +60,13 @@ if (!CD_Present) \ } -#if 0 -static void MSB2DWORD(unsigned int *d, unsigned char *b) -{ - unsigned int retVal; - - retVal = (unsigned int )b[0]; - retVal = (retVal<<8) + (unsigned int )b[1]; - retVal = (retVal<<8) + (unsigned int )b[2]; - retVal = (retVal<<8) + (unsigned int )b[3]; - - *d = retVal; -} -#endif - static int MSF_to_LBA(_msf *MSF) { return (MSF->M * 60 * 75) + (MSF->S * 75) + MSF->F - 150; } -void LBA_to_MSF(int lba, _msf *MSF) +PICO_INTERNAL void LBA_to_MSF(int lba, _msf *MSF) { if (lba < -150) lba = 0; else lba += 150; @@ -139,7 +120,7 @@ static void Track_to_MSF(int track, _msf *MSF) } -int Track_to_LBA(int track) +PICO_INTERNAL int Track_to_LBA(int track) { _msf MSF; @@ -148,7 +129,7 @@ int Track_to_LBA(int track) } -void Check_CD_Command(void) +PICO_INTERNAL void Check_CD_Command(void) { cdprintf("CHECK CD COMMAND"); @@ -192,19 +173,19 @@ void Check_CD_Command(void) } -int Init_CD_Driver(void) +PICO_INTERNAL int Init_CD_Driver(void) { return 0; } -void End_CD_Driver(void) +PICO_INTERNAL void End_CD_Driver(void) { - FILE_End(); + Unload_ISO(); } -void Reset_CD(void) +PICO_INTERNAL void Reset_CD(void) { Pico_mcd->scd.Cur_Track = 0; Pico_mcd->scd.Cur_LBA = -150; @@ -219,9 +200,6 @@ int Insert_CD(char *iso_name, int is_bin) { int ret = 0; -// memset(CD_Audio_Buffer_L, 0, 4096 * 4); -// memset(CD_Audio_Buffer_R, 0, 4096 * 4); - CD_Present = 0; Pico_mcd->scd.Status_CDD = NOCD; @@ -245,14 +223,15 @@ void Stop_CD(void) } -void Change_CD(void) +/* +PICO_INTERNAL void Change_CD(void) { if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) Close_Tray_CDD_cC(); else Open_Tray_CDD_cD(); } +*/ - -int Get_Status_CDD_c0(void) +PICO_INTERNAL int Get_Status_CDD_c0(void) { cdprintf("Status command : Cur LBA = %d", Pico_mcd->scd.Cur_LBA); @@ -270,7 +249,7 @@ int Get_Status_CDD_c0(void) } -int Stop_CDD_c1(void) +PICO_INTERNAL int Stop_CDD_c1(void) { CHECK_TRAY_OPEN @@ -293,7 +272,7 @@ int Stop_CDD_c1(void) } -int Get_Pos_CDD_c20(void) +PICO_INTERNAL int Get_Pos_CDD_c20(void) { _msf MSF; @@ -325,7 +304,7 @@ int Get_Pos_CDD_c20(void) } -int Get_Track_Pos_CDD_c21(void) +PICO_INTERNAL int Get_Track_Pos_CDD_c21(void) { int elapsed_time; _msf MSF; @@ -359,7 +338,7 @@ int Get_Track_Pos_CDD_c21(void) } -int Get_Current_Track_CDD_c22(void) +PICO_INTERNAL int Get_Current_Track_CDD_c22(void) { cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status); @@ -388,7 +367,7 @@ int Get_Current_Track_CDD_c22(void) } -int Get_Total_Lenght_CDD_c23(void) +PICO_INTERNAL int Get_Total_Lenght_CDD_c23(void) { CHECK_TRAY_OPEN @@ -412,7 +391,7 @@ int Get_Total_Lenght_CDD_c23(void) } -int Get_First_Last_Track_CDD_c24(void) +PICO_INTERNAL int Get_First_Last_Track_CDD_c24(void) { CHECK_TRAY_OPEN @@ -435,7 +414,7 @@ int Get_First_Last_Track_CDD_c24(void) } -int Get_Track_Adr_CDD_c25(void) +PICO_INTERNAL int Get_Track_Adr_CDD_c25(void) { int track_number; @@ -469,7 +448,7 @@ int Get_Track_Adr_CDD_c25(void) } -int Play_CDD_c3(void) +PICO_INTERNAL int Play_CDD_c3(void) { _msf MSF; int delay, new_lba; @@ -527,7 +506,7 @@ int Play_CDD_c3(void) } -int Seek_CDD_c4(void) +PICO_INTERNAL int Seek_CDD_c4(void) { _msf MSF; @@ -565,7 +544,7 @@ int Seek_CDD_c4(void) } -int Pause_CDD_c6(void) +PICO_INTERNAL int Pause_CDD_c6(void) { CHECK_TRAY_OPEN CHECK_CD_PRESENT @@ -588,7 +567,7 @@ int Pause_CDD_c6(void) } -int Resume_CDD_c7(void) +PICO_INTERNAL int Resume_CDD_c7(void) { CHECK_TRAY_OPEN CHECK_CD_PRESENT @@ -630,7 +609,7 @@ int Resume_CDD_c7(void) } -int Fast_Foward_CDD_c8(void) +PICO_INTERNAL int Fast_Foward_CDD_c8(void) { CHECK_TRAY_OPEN CHECK_CD_PRESENT @@ -651,7 +630,7 @@ int Fast_Foward_CDD_c8(void) } -int Fast_Rewind_CDD_c9(void) +PICO_INTERNAL int Fast_Rewind_CDD_c9(void) { CHECK_TRAY_OPEN CHECK_CD_PRESENT @@ -672,14 +651,14 @@ int Fast_Rewind_CDD_c9(void) } -int Close_Tray_CDD_cC(void) +PICO_INTERNAL int Close_Tray_CDD_cC(void) { CD_Present = 0; //Clear_Sound_Buffer(); Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read - printf("tray close\n"); + elprintf(EL_STATUS, "tray close\n"); if (PicoMCDcloseTray != NULL) CD_Present = PicoMCDcloseTray(); @@ -698,13 +677,13 @@ int Close_Tray_CDD_cC(void) } -int Open_Tray_CDD_cD(void) +PICO_INTERNAL int Open_Tray_CDD_cD(void) { CHECK_TRAY_OPEN Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read - printf("tray open\n"); + elprintf(EL_STATUS, "tray open\n"); Unload_ISO(); CD_Present = 0; @@ -726,7 +705,7 @@ int Open_Tray_CDD_cD(void) } -int CDD_cA(void) +PICO_INTERNAL int CDD_cA(void) { CHECK_TRAY_OPEN CHECK_CD_PRESENT @@ -747,7 +726,7 @@ int CDD_cA(void) } -int CDD_Def(void) +PICO_INTERNAL int CDD_Def(void) { Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;