cd: rewrite pcm

[picodrive.git] / pico / pico_int.h

diff --git a/pico/pico_int.h b/pico/pico_int.h
index 3a530ca..ccc1a9b 100644 (file)
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -307,7 +307,7 @@ struct PicoMisc
   unsigned char sram_reg;      // 09 SRAM reg. See SRR_* below\r
   unsigned short z80_bank68k;  // 0a\r
   unsigned short pad0;\r
-  unsigned char  pad1;\r
+  unsigned char  ncart_in;     // 0e !cart_in\r
   unsigned char  z80_reset;    // 0f z80 reset held\r
   unsigned char  padDelay[2];  // 10 gamepad phase time outs, so we count a delay\r
   unsigned short eeprom_addr;  // EEPROM address register\r
@@ -378,13 +378,15 @@ struct PicoSRAM
 #include "cd/LC89510.h"\r
 #include "cd/gfx_cd.h"\r
 \r
+#define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)\r
+\r
 struct mcd_pcm\r
 {\r
        unsigned char control; // reg7\r
        unsigned char enabled; // reg8\r
        unsigned char cur_ch;\r
        unsigned char bank;\r
-       int pad1;\r
+       unsigned int update_cycles;\r
 \r
        struct pcm_chan                 // 08, size 0x10\r
        {\r
@@ -445,6 +447,9 @@ typedef struct
        CDC  cdc;\r
        _scd scd;\r
        Rot_Comp rot_comp;\r
+       int pcm_mixbuf[PCM_MIXBUF_LEN * 2];\r
+       int pcm_mixpos;\r
+       int pcm_mixbuf_dirty;\r
 } mcd_state;\r
 \r
 // XXX: this will need to be reworked for cart+cd support.\r
@@ -452,6 +457,7 @@ typedef struct
 \r
 // 32X\r
 #define P32XS_FM    (1<<15)\r
+#define P32XS_nCART (1<< 8)\r
 #define P32XS_REN   (1<< 7)\r
 #define P32XS_nRES  (1<< 1)\r
 #define P32XS_ADEN  (1<< 0)\r
@@ -607,6 +613,10 @@ PICO_INTERNAL void PicoMemSetupPico(void);
 \r
 // cd/memory.c\r
 PICO_INTERNAL void PicoMemSetupCD(void);\r
+unsigned int PicoRead8_mcd_io(unsigned int a);\r
+unsigned int PicoRead16_mcd_io(unsigned int a);\r
+void PicoWrite8_mcd_io(unsigned int a, unsigned int d);\r
+void PicoWrite16_mcd_io(unsigned int a, unsigned int d);\r
 void pcd_state_loaded_mem(void);\r
 \r
 // pico.c\r
@@ -647,8 +657,16 @@ void pcd_event_schedule(unsigned int now, enum pcd_event event, int after);
 void pcd_event_schedule_s68k(enum pcd_event event, int after);\r
 unsigned int pcd_cycles_m68k_to_s68k(unsigned int c);\r
 int  pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync);\r
+void pcd_run_cpus(int m68k_cycles);\r
+void pcd_soft_reset(void);\r
 void pcd_state_loaded(void);\r
 \r
+// cd/pcm.c\r
+void pcd_pcm_sync(unsigned int to);\r
+void pcd_pcm_update(int *buffer, int length, int stereo);\r
+void pcd_pcm_write(unsigned int a, unsigned int d);\r
+unsigned int pcd_pcm_read(unsigned int a);\r
+\r
 // pico/pico.c\r
 PICO_INTERNAL void PicoInitPico(void);\r
 PICO_INTERNAL void PicoReratePico(void);\r