runs code in 1M wram, cell arrange, decode (untested)

[picodrive.git] / Pico / PicoInt.h

diff --git a/Pico/PicoInt.h b/Pico/PicoInt.h
index 2be566b..0cbeb80 100644 (file)
--- a/Pico/PicoInt.h
+++ b/Pico/PicoInt.h
@@ -164,6 +164,22 @@ struct PicoSRAM
 #include "cd/LC89510.h"\r
 #include "cd/gfx_cd.h"\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
+\r
+       struct pcm_chan\r
+       {\r
+               unsigned char regs[8];\r
+               unsigned int  addr; // played sample address\r
+               int pad;\r
+       } ch[8];\r
+};\r
+\r
 struct mcd_misc\r
 {\r
        unsigned short hint_vector;\r
@@ -171,19 +187,39 @@ struct mcd_misc
        unsigned char  s68k_pend_ints;\r
        unsigned int   state_flags;     // emu state: reset_pending,\r
        unsigned int   counter75hz;\r
-\r
+       unsigned short audio_offset;    // for savestates: play pointer offset (0-1023)\r
+       unsigned char  audio_track;     // playing audio track # (zero based)\r
+       char pad1;\r
+       int            timer_int3;\r
+       unsigned int   timer_stopwatch;\r
+       int pad[10];\r
 };\r
 \r
 typedef struct\r
 {\r
        unsigned char bios[0x20000];                    // 128K\r
-       union {\r
-               unsigned char prg_ram[0x80000];         // 512K\r
+       union {                                         // 512K\r
+               unsigned char prg_ram[0x80000];\r
                unsigned char prg_ram_b[4][0x20000];\r
        };\r
-       unsigned char word_ram[0x40000];                // 256K\r
+       union {                                         // 256K\r
+               struct {\r
+                       unsigned char word_ram2M[0x40000];\r
+                       unsigned char unused[0x20000];\r
+               };\r
+               struct {\r
+                       unsigned char unused[0x20000];\r
+                       unsigned char word_ram1M[2][0x20000];\r
+               };\r
+       };\r
+       union {                                         // 64K\r
+               unsigned char pcm_ram[0x10000];\r
+               unsigned char pcm_ram_b[0x10][0x1000];\r
+       };\r
        unsigned char bram[0x2000];                     // 8K\r
-       unsigned char s68k_regs[0x200];\r
+       unsigned char s68k_regs[0x200];                 // GA, not CPU regs\r
+       struct mcd_pcm pcm;\r
+       _scd_toc TOC;                                   // not to be saved\r
        CDD  cdd;\r
        CDC  cdc;\r
        _scd scd;\r
@@ -250,6 +286,10 @@ int SekInitS68k(void);
 int SekResetS68k(void);\r
 int SekInterruptS68k(int irq);\r
 \r
+// sound/sound.c\r
+extern int PsndLen_exc_cnt;\r
+extern int PsndLen_exc_add;\r
+\r
 // VideoPort.c\r
 void PicoVideoWrite(unsigned int a,unsigned short d);\r
 unsigned int PicoVideoRead(unsigned int a);\r
@@ -258,6 +298,13 @@ unsigned int PicoVideoRead(unsigned int a);
 void SRAMWriteEEPROM(unsigned int d);\r
 unsigned int SRAMReadEEPROM();\r
 void SRAMUpdPending(unsigned int a, unsigned int d);\r
+void memcpy16(unsigned short *dest, unsigned short *src, int count);\r
+void memcpy32(int *dest, int *src, int count);\r
+void memset32(int *dest, int c, int count);\r
+\r
+// cd/Misc.c\r
+void wram_2M_to_1M(unsigned char *m);\r
+void wram_1M_to_2M(unsigned char *m);\r
 \r
 \r
 #ifdef __cplusplus\r