X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=blobdiff_plain;f=pico%2Fpico_int.h;h=551dcbc72f3625933a5b596a8024daa3255601a7;hp=1acc1b08f5c0fe5b9a000671e70befab5013f9ed;hb=4f2cdbf551ad1a7f487b65b4754cbf7983e80b8a;hpb=835122bc0c583a74707847f350349e6050b42bb5

diff --git a/pico/pico_int.h b/pico/pico_int.h
index 1acc1b0..551dcbc 100644
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -51,6 +51,9 @@ extern struct Cyclone PicoCpuCM68k, PicoCpuCS68k;
 #define SekIsStoppedS68k() (PicoCpuCS68k.state_flags&1)
 #define SekShouldInterrupt() (PicoCpuCM68k.irq > (PicoCpuCM68k.srh&7))
 
+#define SekNotPolling     PicoCpuCM68k.not_pol
+#define SekNotPollingS68k PicoCpuCS68k.not_pol
+
 #define SekInterrupt(i) PicoCpuCM68k.irq=i
 #define SekIrqLevel     PicoCpuCM68k.irq
 
@@ -79,6 +82,9 @@ extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k;
 #define SekIsStoppedS68k() (PicoCpuFS68k.execinfo&FM68K_HALTED)
 #define SekShouldInterrupt() fm68k_would_interrupt()
 
+#define SekNotPolling     PicoCpuFM68k.not_polling
+#define SekNotPollingS68k PicoCpuFS68k.not_polling
+
 #define SekInterrupt(irq) PicoCpuFM68k.interrupts[0]=irq
 #define SekIrqLevel       PicoCpuFM68k.interrupts[0]
 
@@ -108,6 +114,9 @@ extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k;
 #define SekIsStoppedS68k() (PicoCpuMS68k.stopped==STOP_LEVEL_STOP)
 #define SekShouldInterrupt() (CPU_INT_LEVEL > FLAG_INT_MASK)
 
+#define SekNotPolling     PicoCpuMM68k.not_polling
+#define SekNotPollingS68k PicoCpuMS68k.not_polling
+
 #define SekInterrupt(irq) { \
 	void *oldcontext = m68ki_cpu_p; \
 	m68k_set_context(&PicoCpuMM68k); \
@@ -134,8 +143,6 @@ extern unsigned int SekCycleAim;
 #define SekCyclesBurn(c)    SekCycleCnt += c
 #define SekCyclesBurnRun(c) { \
   SekCyclesLeft -= c; \
-  if (SekCyclesLeft < 0) \
-    SekCyclesLeft = 0; \
 }
 
 // note: sometimes may extend timeslice to delay an irq
@@ -274,6 +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];
@@ -285,7 +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
@@ -300,7 +319,7 @@ struct PicoMisc
   unsigned char sram_reg;      // 09 SRAM reg. See SRR_* below
   unsigned short z80_bank68k;  // 0a
   unsigned short pad0;
-  unsigned char  pad1;
+  unsigned char  ncart_in;     // 0e !cart_in
   unsigned char  z80_reset;    // 0f z80 reset held
   unsigned char  padDelay[2];  // 10 gamepad phase time outs, so we count a delay
   unsigned short eeprom_addr;  // EEPROM address register
@@ -321,6 +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
 {
@@ -341,6 +375,7 @@ struct Pico
   struct PicoMisc m;
   struct PicoVideo video;
   struct PicoMS ms;
+  struct PicoEState est;
 };
 
 // sram
@@ -367,9 +402,7 @@ struct PicoSRAM
 };
 
 // MCD
-#include "cd/cd_sys.h"
-#include "cd/LC89510.h"
-#include "cd/gfx_cd.h"
+#define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)
 
 struct mcd_pcm
 {
@@ -377,7 +410,7 @@ struct mcd_pcm
 	unsigned char enabled; // reg8
 	unsigned char cur_ch;
 	unsigned char bank;
-	int pad1;
+	unsigned int update_cycles;
 
 	struct pcm_chan			// 08, size 0x10
 	{
@@ -391,53 +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;
-	Rot_Comp rot_comp;
+  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.
@@ -445,6 +479,7 @@ typedef struct
 
 // 32X
 #define P32XS_FM    (1<<15)
+#define P32XS_nCART (1<< 8)
 #define P32XS_REN   (1<< 7)
 #define P32XS_nRES  (1<< 1)
 #define P32XS_ADEN  (1<< 0)
@@ -567,19 +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
@@ -598,8 +634,47 @@ 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);
+void gfx_update(unsigned int cycles);
+int gfx_context_save(unsigned char *state);
+int gfx_context_load(const unsigned char *state);
+
+// cd/gfx_dma.c
+void DmaSlowCell(unsigned int source, unsigned int a, int len, unsigned char inc);
+
 // cd/memory.c
 PICO_INTERNAL void PicoMemSetupCD(void);
+unsigned int PicoRead8_mcd_io(unsigned int a);
+unsigned int PicoRead16_mcd_io(unsigned int a);
+void PicoWrite8_mcd_io(unsigned int a, unsigned int d);
+void PicoWrite16_mcd_io(unsigned int a, unsigned int d);
 void pcd_state_loaded_mem(void);
 
 // pico.c
@@ -638,10 +713,19 @@ 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);
+void pcd_soft_reset(void);
 void pcd_state_loaded(void);
 
+// cd/pcm.c
+void pcd_pcm_sync(unsigned int to);
+void pcd_pcm_update(int *buffer, int length, int stereo);
+void pcd_pcm_write(unsigned int a, unsigned int d);
+unsigned int pcd_pcm_read(unsigned int a);
+
 // pico/pico.c
 PICO_INTERNAL void PicoInitPico(void);
 PICO_INTERNAL void PicoReratePico(void);
@@ -671,15 +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);
@@ -704,16 +790,17 @@ void ym2612_unpack_state(void);
 
 
 // videoport.c
+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);
@@ -731,11 +818,9 @@ 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 PsndStartFrame(void);
 PICO_INTERNAL void PsndDoDAC(int line_to);
 PICO_INTERNAL void PsndClear(void);
 PICO_INTERNAL void PsndGetSamples(int y);
@@ -801,7 +886,7 @@ 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);
@@ -835,9 +920,9 @@ void sh2_peripheral_reset(SH2 *sh2);
 unsigned int sh2_peripheral_read8(unsigned int a, SH2 *sh2);
 unsigned int sh2_peripheral_read16(unsigned int a, SH2 *sh2);
 unsigned int sh2_peripheral_read32(unsigned int a, SH2 *sh2);
-void sh2_peripheral_write8(unsigned int a, unsigned int d, SH2 *sh2);
-void sh2_peripheral_write16(unsigned int a, unsigned int d, SH2 *sh2);
-void sh2_peripheral_write32(unsigned int a, unsigned int d, SH2 *sh2);
+void REGPARM(3) sh2_peripheral_write8(unsigned int a, unsigned int d, SH2 *sh2);
+void REGPARM(3) sh2_peripheral_write16(unsigned int a, unsigned int d, SH2 *sh2);
+void REGPARM(3) sh2_peripheral_write32(unsigned int a, unsigned int d, SH2 *sh2);
 
 #else
 #define Pico32xInit()
@@ -966,7 +1051,7 @@ void pevt_dump(void);
 #define cdprintf(x...)
 #endif
 
-#ifdef __i386__
+#if defined(__GNUC__) && defined(__i386__)
 #define REGPARM(x) __attribute__((regparm(x)))
 #else
 #define REGPARM(x)