X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2FPicoInt.h;h=18e779b51e3e9fc67c14b4fe27c923f3b83b6160;hb=48e8482fc2d74c9b96e581241390bade986acb22;hp=7d91df7bae688928cc1a10d476c45f9dbd246c67;hpb=cc68a136aa179a5f32fe40208371eb9c2b0aadae;p=picodrive.git

diff --git a/Pico/PicoInt.h b/Pico/PicoInt.h
index 7d91df7..18e779b 100644
--- a/Pico/PicoInt.h
+++ b/Pico/PicoInt.h
@@ -13,7 +13,7 @@
 #include "Pico.h"
 
 
-// to select core, define EMU_C68K, EMU_M68K or EMU_A68K in your makefile
+// to select core, define EMU_C68K, EMU_M68K or EMU_A68K in your makefile or project
 
 #ifdef __cplusplus
 extern "C" {
@@ -23,10 +23,16 @@ extern "C" {
 // ----------------------- 68000 CPU -----------------------
 #ifdef EMU_C68K
 #include "../cpu/Cyclone/Cyclone.h"
-extern struct Cyclone PicoCpu;
-#define SekCyclesLeft PicoCpu.cycles // cycles left for this run
-#define SekSetCyclesLeft(c) PicoCpu.cycles=c
+extern struct Cyclone PicoCpu, PicoCpuS68k;
+#define SekCyclesLeftNoMCD PicoCpu.cycles // cycles left for this run
+#define SekCyclesLeft \
+	(((PicoMCD&1) && (PicoOpt & 0x2000)) ? (SekCycleAim-SekCycleCnt) : SekCyclesLeftNoMCD)
+#define SekSetCyclesLeftNoMCD(c) PicoCpu.cycles=c
+#define SekSetCyclesLeft(c) { \
+	if ((PicoMCD&1) && (PicoOpt & 0x2000)) SekCycleCnt=SekCycleAim-(c); else SekSetCyclesLeftNoMCD(c); \
+}
 #define SekPc (PicoCpu.pc-PicoCpu.membase)
+#define SekPcS68k (PicoCpuS68k.pc-PicoCpuS68k.membase)
 #endif
 
 #ifdef EMU_A68K
@@ -54,8 +60,13 @@ extern int m68k_ICount;
 extern m68ki_cpu_core PicoM68kCPU; // MD's CPU
 extern m68ki_cpu_core PicoS68kCPU; // Mega CD's CPU
 #ifndef SekCyclesLeft
-#define SekCyclesLeft m68k_cycles_remaining()
-#define SekSetCyclesLeft(c) SET_CYCLES(c)
+#define SekCyclesLeftNoMCD m68k_cycles_remaining()
+#define SekCyclesLeft \
+	(((PicoMCD&1) && (PicoOpt & 0x2000)) ? (SekCycleAim-SekCycleCnt) : SekCyclesLeftNoMCD)
+#define SekSetCyclesLeftNoMCD(c) SET_CYCLES(c)
+#define SekSetCyclesLeft(c) { \
+	if ((PicoMCD&1) && (PicoOpt & 0x2000)) SekCycleCnt=SekCycleAim-(c); else SET_CYCLES(c); \
+}
 #define SekPc m68k_get_reg(&PicoM68kCPU, M68K_REG_PC)
 #define SekPcS68k m68k_get_reg(&PicoS68kCPU, M68K_REG_PC)
 #endif
@@ -123,7 +134,9 @@ struct PicoMisc
   unsigned char sram_cycle;  // EEPROM SRAM cycle number
   unsigned char sram_slave;  // EEPROM slave word for X24C02 and better SRAMs
   unsigned char prot_bytes[2]; // simple protection fakeing
-  unsigned char pad1[8];
+  unsigned short dma_bytes;  //
+  unsigned char pad[2];
+  unsigned int  frame_count; // mainly for movies
 };
 
 // some assembly stuff depend on these, do not touch!
@@ -147,11 +160,11 @@ struct Pico
 // sram
 struct PicoSRAM
 {
-  unsigned char *data; // actual data
-  unsigned int start;  // start address in 68k address space
+  unsigned char *data;		// actual data
+  unsigned int start;		// start address in 68k address space
   unsigned int end;
-  unsigned char resize; // 1=SRAM size changed and needs to be reallocated on PicoReset
-  unsigned char reg_back; // copy of Pico.m.sram_reg to set after reset
+  unsigned char resize;		// 0c: 1=SRAM size changed and needs to be reallocated on PicoReset
+  unsigned char reg_back;	// copy of Pico.m.sram_reg to set after reset
   unsigned char changed;
   unsigned char pad;
 };
@@ -159,24 +172,81 @@ struct PicoSRAM
 // MCD
 #include "cd/cd_sys.h"
 #include "cd/LC89510.h"
+#include "cd/gfx_cd.h"
+
+struct mcd_pcm
+{
+	unsigned char control; // reg7
+	unsigned char enabled; // reg8
+	unsigned char cur_ch;
+	unsigned char bank;
+	int pad1;
+
+	struct pcm_chan			// 08, size 0x10
+	{
+		unsigned char regs[8];
+		unsigned int  addr;	// .08: played sample address
+		int pad;
+	} ch[8];
+};
+
+struct mcd_misc
+{
+	unsigned short hint_vector;
+	unsigned char  busreq;
+	unsigned char  s68k_pend_ints;
+	unsigned int   state_flags;	// 04: emu state: reset_pending,
+	unsigned int   counter75hz;
+	unsigned short audio_offset;	// 0c: for savestates: play pointer offset (0-1023)
+	unsigned char  audio_track;	// playing audio track # (zero based)
+	char pad1;
+	int            timer_int3;	// 10
+	unsigned int   timer_stopwatch;
+	int pad[10];
+};
 
 typedef struct
 {
-	unsigned char bios[0x20000];
-	union {
+	unsigned char bios[0x20000];			// 000000: 128K
+	union {						// 020000: 512K
 		unsigned char prg_ram[0x80000];
 		unsigned char prg_ram_b[4][0x20000];
 	};
-	unsigned char word_ram[0x40000];
-	unsigned char s68k_regs[0x200];
-	unsigned char m68k_regs[0x10];
+	union {						// 0a0000: 256K
+		struct {
+			unsigned char word_ram2M[0x40000];
+			unsigned char unused[0x20000];
+		};
+		struct {
+			unsigned char unused[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:
+	_scd_toc TOC;					// not to be saved
 	CDD  cdd;
 	CDC  cdc;
 	_scd scd;
+	Rot_Comp rot_comp;
 } mcd_state;
 
 #define Pico_mcd ((mcd_state *)Pico.rom)
 
+// Area.c
+int PicoAreaPackCpu(unsigned char *cpu, int is_sub);
+int PicoAreaUnpackCpu(unsigned char *cpu, int is_sub);
+
+// cd/Area.c
+int PicoCdSaveState(void *file);
+int PicoCdLoadState(void *file);
+int PicoCdLoadStateGfx(void *file);
 
 // Draw.c
 int PicoLine(int scan);
@@ -188,15 +258,18 @@ void PicoFrameFull();
 // Memory.c
 int PicoInitPc(unsigned int pc);
 unsigned int CPU_CALL PicoRead32(unsigned int a);
-int  PicoMemInit();
+void PicoMemSetup();
 void PicoMemReset();
-void PicoDasm(int start,int len);
+//void PicoDasm(int start,int len);
 unsigned char z80_read(unsigned short a);
 unsigned short z80_read16(unsigned short a);
 void z80_write(unsigned char data, unsigned short a);
 void z80_write16(unsigned short data, unsigned short a);
 
 // cd/Memory.c
+void PicoMemSetupCD(void);
+void PicoMemResetCD(int r3);
+void PicoMemResetCDdecode(int r3);
 unsigned char  PicoReadCD8 (unsigned int a);
 unsigned short PicoReadCD16(unsigned int a);
 unsigned int   PicoReadCD32(unsigned int a);
@@ -208,6 +281,7 @@ void PicoWriteCD32(unsigned int a, unsigned int d);
 extern struct Pico Pico;
 extern struct PicoSRAM SRam;
 extern int emustatus;
+int CheckDMA(void);
 
 // cd/Pico.c
 int  PicoInitMCD(void);
@@ -225,6 +299,10 @@ int SekInitS68k(void);
 int SekResetS68k(void);
 int SekInterruptS68k(int irq);
 
+// sound/sound.c
+extern int PsndLen_exc_cnt;
+extern int PsndLen_exc_add;
+
 // VideoPort.c
 void PicoVideoWrite(unsigned int a,unsigned short d);
 unsigned int PicoVideoRead(unsigned int a);
@@ -233,6 +311,14 @@ unsigned int PicoVideoRead(unsigned int a);
 void SRAMWriteEEPROM(unsigned int d);
 unsigned int SRAMReadEEPROM();
 void SRAMUpdPending(unsigned int a, unsigned int d);
+void memcpy16(unsigned short *dest, unsigned short *src, int count);
+void memcpy16bswap(unsigned short *dest, void *src, int count);
+void memcpy32(int *dest, int *src, int count);
+void memset32(int *dest, int c, int count);
+
+// cd/Misc.c
+void wram_2M_to_1M(unsigned char *m);
+void wram_1M_to_2M(unsigned char *m);
 
 
 #ifdef __cplusplus