X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=blobdiff_plain;f=pico%2Fpico_int.h;h=2249148f5fb15bdd2113df02c0c75d5e04f94d33;hp=a33051ccf560c244c5c2b20f1594b6172fc1fde4;hb=e0bcb7a90d06b295b1ca989b6ad70412912cca5b;hpb=a93a80deda2211dc89ea543841e71cdaf6f65917

diff --git a/pico/pico_int.h b/pico/pico_int.h
index a33051c..2249148 100644
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -281,6 +281,15 @@ extern SH2 sh2s[2];
 #define OSC_NTSC 53693100
 #define OSC_PAL  53203424
 
+#define PVD_KILL_A    (1 << 0)
+#define PVD_KILL_B    (1 << 1)
+#define PVD_KILL_S_LO (1 << 2)
+#define PVD_KILL_S_HI (1 << 3)
+#define PVD_KILL_32X  (1 << 4)
+#define PVD_FORCE_A   (1 << 5)
+#define PVD_FORCE_B   (1 << 6)
+#define PVD_FORCE_S   (1 << 7)
+
 struct PicoVideo
 {
   unsigned char reg[0x20];
@@ -292,7 +301,10 @@ struct PicoVideo
   unsigned char pending_ints; // pending interrupts: ??VH????
   signed char lwrite_cnt;     // VDP write count during active display line
   unsigned short v_counter;   // V-counter
-  unsigned char pad[0x10];
+  unsigned short debug;       // raw debug register
+  unsigned char debug_p;      // ... parsed: PVD_*
+  unsigned char addr_u;
+  unsigned char pad[0x0c];
 };
 
 struct PicoMisc
@@ -328,6 +340,21 @@ struct PicoMS
   unsigned char pad[0x4e];
 };
 
+// emu state and data for the asm code
+struct PicoEState
+{
+  int DrawScanline;
+  int rendstatus;
+  void *DrawLineDest;          // draw destination
+  unsigned char *HighCol;
+  int *HighPreSpr;
+  void *Pico_video;
+  void *Pico_vram;
+  int  *PicoOpt;
+  unsigned char *Draw2FB;
+  unsigned short HighPal[0x100];
+};
+
 // some assembly stuff depend on these, do not touch!
 struct Pico
 {
@@ -348,6 +375,7 @@ struct Pico
   struct PicoMisc m;
   struct PicoVideo video;
   struct PicoMS ms;
+  struct PicoEState est;
 };
 
 // sram
@@ -374,9 +402,6 @@ struct PicoSRAM
 };
 
 // MCD
-#include "cd/cd_sys.h"
-#include "cd/LC89510.h"
-
 #define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)
 
 struct mcd_pcm
@@ -399,55 +424,54 @@ struct mcd_pcm
 
 struct mcd_misc
 {
-	unsigned short hint_vector;
-	unsigned char  busreq;		// not s68k_regs[1]
-	unsigned char  s68k_pend_ints;
-	unsigned int   state_flags;	// 04
-	unsigned int   stopwatch_base_c;
-	unsigned short m68k_poll_a;
-	unsigned short m68k_poll_cnt;
-	unsigned short s68k_poll_a;
-	unsigned short s68k_poll_cnt;
-	unsigned int   s68k_poll_clk;
-	unsigned char  bcram_reg;	// 18: battery-backed RAM cart register
-	unsigned char  dmna_ret_2m;
-	unsigned short pad3;
-	int pad4[9];
+  unsigned short hint_vector;
+  unsigned char  busreq;          // not s68k_regs[1]
+  unsigned char  s68k_pend_ints;
+  unsigned int   state_flags;     // 04
+  unsigned int   stopwatch_base_c;
+  unsigned short m68k_poll_a;
+  unsigned short m68k_poll_cnt;
+  unsigned short s68k_poll_a;
+  unsigned short s68k_poll_cnt;
+  unsigned int   s68k_poll_clk;
+  unsigned char  bcram_reg;       // 18: battery-backed RAM cart register
+  unsigned char  dmna_ret_2m;
+  unsigned char  need_sync;
+  unsigned char  pad3;
+  int pad4[9];
 };
 
 typedef struct
 {
-	unsigned char bios[0x20000];			// 000000: 128K
-	union {						// 020000: 512K
-		unsigned char prg_ram[0x80000];
-		unsigned char prg_ram_b[4][0x20000];
-	};
-	union {						// 0a0000: 256K
-		struct {
-			unsigned char word_ram2M[0x40000];
-			unsigned char unused0[0x20000];
-		};
-		struct {
-			unsigned char unused1[0x20000];
-			unsigned char word_ram1M[2][0x20000];
-		};
-	};
-	union {						// 100000: 64K
-		unsigned char pcm_ram[0x10000];
-		unsigned char pcm_ram_b[0x10][0x1000];
-	};
-	// FIXME: should be short
-	unsigned char s68k_regs[0x200];			// 110000: GA, not CPU regs
-	unsigned char bram[0x2000];			// 110200: 8K
-	struct mcd_misc m;				// 112200: misc
-	struct mcd_pcm pcm;				// 112240:
-	_scd_toc TOC;					// not to be saved
-	CDD  cdd;
-	CDC  cdc;
-	_scd scd;
-	int pcm_mixbuf[PCM_MIXBUF_LEN * 2];
-	int pcm_mixpos;
-	int pcm_mixbuf_dirty;
+  unsigned char bios[0x20000];			// 000000: 128K
+  union {					// 020000: 512K
+    unsigned char prg_ram[0x80000];
+    unsigned char prg_ram_b[4][0x20000];
+  };
+  union {					// 0a0000: 256K
+    struct {
+      unsigned char word_ram2M[0x40000];
+      unsigned char unused0[0x20000];
+    };
+    struct {
+      unsigned char unused1[0x20000];
+      unsigned char word_ram1M[2][0x20000];
+    };
+  };
+  union {					// 100000: 64K
+    unsigned char pcm_ram[0x10000];
+    unsigned char pcm_ram_b[0x10][0x1000];
+  };
+  unsigned char s68k_regs[0x200];		// 110000: GA, not CPU regs
+  unsigned char bram[0x2000];			// 110200: 8K
+  struct mcd_misc m;				// 112200: misc
+  struct mcd_pcm pcm;				// 112240:
+  void *cdda_stream;
+  int cdda_type;
+  int pcm_mixbuf[PCM_MIXBUF_LEN * 2];
+  int pcm_mixpos;
+  char pcm_mixbuf_dirty;
+  char pcm_regs_dirty;
 } mcd_state;
 
 // XXX: this will need to be reworked for cart+cd support.
@@ -578,19 +602,20 @@ extern void (*PicoCartUnloadHook)(void);
 int CM_compareRun(int cyc, int is_sub);
 
 // draw.c
+void PicoDrawInit(void);
 PICO_INTERNAL void PicoFrameStart(void);
 void PicoDrawSync(int to, int blank_last_line);
-void BackFill(int reg7, int sh);
-void FinalizeLine555(int sh, int line);
+void BackFill(int reg7, int sh, struct PicoEState *est);
+void FinalizeLine555(int sh, int line, struct PicoEState *est);
 extern int (*PicoScanBegin)(unsigned int num);
 extern int (*PicoScanEnd)(unsigned int num);
-extern int DrawScanline;
 #define MAX_LINE_SPRITES 29
 extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];
 extern void *DrawLineDestBase;
 extern int DrawLineDestIncrement;
 
 // draw2.c
+void PicoDraw2Init(void);
 PICO_INTERNAL void PicoFrameFull();
 
 // mode4.c
@@ -609,6 +634,31 @@ void PicoWrite16_io(unsigned int a, unsigned int d);
 // pico/memory.c
 PICO_INTERNAL void PicoMemSetupPico(void);
 
+// cd/cdc.c
+void cdc_init(void);
+void cdc_reset(void);
+int  cdc_context_save(unsigned char *state);
+int  cdc_context_load(unsigned char *state);
+int  cdc_context_load_old(unsigned char *state);
+void cdc_dma_update(void);
+int  cdc_decoder_update(unsigned char header[4]);
+void cdc_reg_w(unsigned char data);
+unsigned char  cdc_reg_r(void);
+unsigned short cdc_host_r(void);
+
+// cd/cdd.c
+void cdd_reset(void);
+int cdd_context_save(unsigned char *state);
+int cdd_context_load(unsigned char *state);
+int cdd_context_load_old(unsigned char *state);
+void cdd_read_data(unsigned char *dst);
+void cdd_read_audio(unsigned int samples);
+void cdd_update(void);
+void cdd_process(void);
+
+// cd/cd_image.c
+int load_cd_image(const char *cd_img_name, int *type);
+
 // cd/gfx.c
 void gfx_init(void);
 void gfx_start(unsigned int base);
@@ -663,6 +713,7 @@ enum pcd_event {
 extern unsigned int pcd_event_times[PCD_EVENT_COUNT];
 void pcd_event_schedule(unsigned int now, enum pcd_event event, int after);
 void pcd_event_schedule_s68k(enum pcd_event event, int after);
+void pcd_prepare_frame(void);
 unsigned int pcd_cycles_m68k_to_s68k(unsigned int c);
 int  pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync);
 void pcd_run_cpus(int m68k_cycles);
@@ -704,15 +755,17 @@ void SekTrace(int is_s68k);
 PICO_INTERNAL void SekInitS68k(void);
 PICO_INTERNAL int  SekResetS68k(void);
 PICO_INTERNAL int  SekInterruptS68k(int irq);
+void SekInterruptClearS68k(int irq);
 
 // sound/sound.c
-PICO_INTERNAL void cdda_start_play();
 extern short cdda_out_buffer[2*1152];
 extern int PsndLen_exc_cnt;
 extern int PsndLen_exc_add;
 extern int timer_a_next_oflow, timer_a_step; // in z80 cycles
 extern int timer_b_next_oflow, timer_b_step;
 
+void cdda_start_play(int lba_base, int lba_offset, int lb_len);
+
 void ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new);
 void ym2612_pack_state(void);
 void ym2612_unpack_state(void);
@@ -741,13 +794,13 @@ extern int line_base_cycles;
 PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);
 PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);
 PICO_INTERNAL_ASM unsigned int PicoVideoRead8(unsigned int a);
-extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp);
+extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);
 
 // misc.c
 PICO_INTERNAL_ASM void memcpy16(unsigned short *dest, unsigned short *src, int count);
 PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count);
-PICO_INTERNAL_ASM void memcpy32(int *dest, int *src, int count); // 32bit word count
-PICO_INTERNAL_ASM void memset32(int *dest, int c, int count);
+PICO_INTERNAL_ASM void memcpy32(void *dest, const void *src, int count); // 32bit word count
+PICO_INTERNAL_ASM void memset32(void *dest, int c, int count);
 
 // eeprom.c
 void EEPROM_write8(unsigned int a, unsigned int d);
@@ -765,9 +818,6 @@ PICO_INTERNAL void z80_exit(void);
 PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m);
 PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m);
 
-// cd/buffering.c
-PICO_INTERNAL void PicoCDBufferRead(void *dest, int lba);
-
 // sound/sound.c
 PICO_INTERNAL void PsndReset(void);
 PICO_INTERNAL void PsndDoDAC(int line_to);
@@ -835,7 +885,7 @@ void p32x_sh2_poll_event(SH2 *sh2, unsigned int flags, unsigned int m68k_cycles)
 
 // 32x/draw.c
 void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode);
-void FinalizeLine32xRGB555(int sh, int line);
+void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est);
 void PicoDraw32xLayer(int offs, int lines, int mdbg);
 void PicoDraw32xLayerMdOnly(int offs, int lines);
 extern int (*PicoScan32xBegin)(unsigned int num);