#define z80_nmi() drZ80.Z80IF |= 8\r
\r
#define z80_cyclesLeft drZ80.cycles\r
+#define z80_subCLeft(c) drZ80.cycles -= c\r
#define z80_pc() (drZ80.Z80PC - drZ80.Z80PC_BASE)\r
\r
#elif defined(_USE_CZ80)\r
#define z80_nmi() Cz80_Set_IRQ(&CZ80, IRQ_LINE_NMI, 0)\r
\r
#define z80_cyclesLeft (CZ80.ICount - CZ80.ExtraCycles)\r
+#define z80_subCLeft(c) CZ80.ICount -= c\r
#define z80_pc() Cz80_Get_Reg(&CZ80, CZ80_PC)\r
\r
#else\r
#define OSC_NTSC 53693100\r
#define OSC_PAL 53203424\r
\r
+// PicoVideo.debug_p\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
+// PicoVideo.status, not part of real SR\r
+#define SR_PAL (1 << 0)\r
+#define SR_DMA (1 << 1)\r
+#define SR_HB (1 << 2)\r
+#define SR_VB (1 << 3)\r
+#define SR_ODD (1 << 4)\r
+#define SR_C (1 << 5)\r
+#define SR_SOVR (1 << 6)\r
+#define SR_F (1 << 7)\r
+#define SR_FULL (1 << 8)\r
+#define SR_EMPT (1 << 9)\r
+// not part of real SR\r
+#define PVS_ACTIVE (1 << 16)\r
+\r
struct PicoVideo\r
{\r
unsigned char reg[0x20];\r
unsigned char pending; // 1 if waiting for second half of 32-bit command\r
unsigned char type; // Command type (v/c/vsram read/write)\r
unsigned short addr; // Read/Write address\r
- int status; // Status bits\r
+ unsigned int status; // Status bits (SR) and extra flags\r
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; // bit16 of .addr\r
+ unsigned char hint_cnt;\r
+ unsigned char pad[0x0b];\r
};\r
\r
struct PicoMisc\r
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
struct PicoMisc m;\r
struct PicoVideo video;\r
struct PicoMS ms;\r
+ struct PicoEState est;\r
};\r
\r
// sram\r
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
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
extern struct PicoSRAM SRam;\r
extern int PicoPadInt[2];\r
extern int emustatus;\r
-extern int scanlines_total;\r
extern void (*PicoResetHook)(void);\r
extern void (*PicoLineHook)(void);\r
PICO_INTERNAL int CheckDMA(void);\r
extern int line_base_cycles;\r
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
+unsigned char PicoVideoRead8DataH(void);\r
+unsigned char PicoVideoRead8DataL(void);\r
+unsigned char PicoVideoRead8CtlH(void);\r
+unsigned char PicoVideoRead8CtlL(void);\r
+unsigned char PicoVideoRead8HV_H(void);\r
+unsigned char PicoVideoRead8HV_L(void);\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
\r
// sound/sound.c\r
PICO_INTERNAL void PsndReset(void);\r
+PICO_INTERNAL void PsndStartFrame(void);\r
PICO_INTERNAL void PsndDoDAC(int line_to);\r
+PICO_INTERNAL void PsndDoPSG(int line_to);\r
PICO_INTERNAL void PsndClear(void);\r
PICO_INTERNAL void PsndGetSamples(int y);\r
PICO_INTERNAL void PsndGetSamplesMS(void);\r
-extern int PsndDacLine;\r
+extern int PsndDacLine, PsndPsgLine;\r
\r
// sms.c\r
#ifndef NO_SMS\r
\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