some support for vdp debug reg

[picodrive.git] / pico / pico_int.h

diff --git a/pico/pico_int.h b/pico/pico_int.h
index 48d5237..2249148 100644 (file)
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -281,6 +281,15 @@ extern SH2 sh2s[2];
 #define OSC_NTSC 53693100\r
 #define OSC_PAL  53203424\r
 \r
+#define PVD_KILL_A    (1 << 0)\r
+#define PVD_KILL_B    (1 << 1)\r
+#define PVD_KILL_S_LO (1 << 2)\r
+#define PVD_KILL_S_HI (1 << 3)\r
+#define PVD_KILL_32X  (1 << 4)\r
+#define PVD_FORCE_A   (1 << 5)\r
+#define PVD_FORCE_B   (1 << 6)\r
+#define PVD_FORCE_S   (1 << 7)\r
+\r
 struct PicoVideo\r
 {\r
   unsigned char reg[0x20];\r
@@ -292,7 +301,10 @@ struct PicoVideo
   unsigned char pending_ints; // pending interrupts: ??VH????\r
   signed char lwrite_cnt;     // VDP write count during active display line\r
   unsigned short v_counter;   // V-counter\r
-  unsigned char pad[0x10];\r
+  unsigned short debug;       // raw debug register\r
+  unsigned char debug_p;      // ... parsed: PVD_*\r
+  unsigned char addr_u;\r
+  unsigned char pad[0x0c];\r
 };\r
 \r
 struct PicoMisc\r
@@ -328,6 +340,21 @@ struct PicoMS
   unsigned char pad[0x4e];\r
 };\r
 \r
+// emu state and data for the asm code\r
+struct PicoEState\r
+{\r
+  int DrawScanline;\r
+  int rendstatus;\r
+  void *DrawLineDest;          // draw destination\r
+  unsigned char *HighCol;\r
+  int *HighPreSpr;\r
+  void *Pico_video;\r
+  void *Pico_vram;\r
+  int  *PicoOpt;\r
+  unsigned char *Draw2FB;\r
+  unsigned short HighPal[0x100];\r
+};\r
+\r
 // some assembly stuff depend on these, do not touch!\r
 struct Pico\r
 {\r
@@ -348,6 +375,7 @@ struct Pico
   struct PicoMisc m;\r
   struct PicoVideo video;\r
   struct PicoMS ms;\r
+  struct PicoEState est;\r
 };\r
 \r
 // sram\r
@@ -434,15 +462,7 @@ typedef struct
     unsigned char pcm_ram[0x10000];\r
     unsigned char pcm_ram_b[0x10][0x1000];\r
   };\r
-  union {\r
-    unsigned char s68k_regs[0x200];            // 110000: GA, not CPU regs\r
-    union {\r
-      struct {\r
-        unsigned char h;\r
-        unsigned char l;\r
-      } byte;\r
-    } regs[0x200/2];\r
-  };\r
+  unsigned char s68k_regs[0x200];              // 110000: GA, not CPU regs\r
   unsigned char bram[0x2000];                  // 110200: 8K\r
   struct mcd_misc m;                           // 112200: misc\r
   struct mcd_pcm pcm;                          // 112240:\r
@@ -582,19 +602,20 @@ extern void (*PicoCartUnloadHook)(void);
 int CM_compareRun(int cyc, int is_sub);\r
 \r
 // draw.c\r
+void PicoDrawInit(void);\r
 PICO_INTERNAL void PicoFrameStart(void);\r
 void PicoDrawSync(int to, int blank_last_line);\r
-void BackFill(int reg7, int sh);\r
-void FinalizeLine555(int sh, int line);\r
+void BackFill(int reg7, int sh, struct PicoEState *est);\r
+void FinalizeLine555(int sh, int line, struct PicoEState *est);\r
 extern int (*PicoScanBegin)(unsigned int num);\r
 extern int (*PicoScanEnd)(unsigned int num);\r
-extern int DrawScanline;\r
 #define MAX_LINE_SPRITES 29\r
 extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];\r
 extern void *DrawLineDestBase;\r
 extern int DrawLineDestIncrement;\r
 \r
 // draw2.c\r
+void PicoDraw2Init(void);\r
 PICO_INTERNAL void PicoFrameFull();\r
 \r
 // mode4.c\r
@@ -773,13 +794,13 @@ extern int line_base_cycles;
 PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);\r
 PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);\r
 PICO_INTERNAL_ASM unsigned int PicoVideoRead8(unsigned int a);\r
-extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp);\r
+extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);\r
 \r
 // misc.c\r
 PICO_INTERNAL_ASM void memcpy16(unsigned short *dest, unsigned short *src, int count);\r
 PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count);\r
-PICO_INTERNAL_ASM void memcpy32(int *dest, int *src, int count); // 32bit word count\r
-PICO_INTERNAL_ASM void memset32(int *dest, int c, int count);\r
+PICO_INTERNAL_ASM void memcpy32(void *dest, const void *src, int count); // 32bit word count\r
+PICO_INTERNAL_ASM void memset32(void *dest, int c, int count);\r
 \r
 // eeprom.c\r
 void EEPROM_write8(unsigned int a, unsigned int d);\r
@@ -864,7 +885,7 @@ void p32x_sh2_poll_event(SH2 *sh2, unsigned int flags, unsigned int m68k_cycles)
 \r
 // 32x/draw.c\r
 void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode);\r
-void FinalizeLine32xRGB555(int sh, int line);\r
+void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est);\r
 void PicoDraw32xLayer(int offs, int lines, int mdbg);\r
 void PicoDraw32xLayerMdOnly(int offs, int lines);\r
 extern int (*PicoScan32xBegin)(unsigned int num);\r