RaySollium99/picodrive
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Finish migrating to new mem handling. Make carthw db external.

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Still need to fix asm and protection emulation.


git-svn-id: file:///home/notaz/opt/svn/PicoDrive@769 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-05 21:13:30 +00:00
parent af37bca858
commit 45f2f245f5
30 changed files with 948 additions and 1027 deletions
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46
pico/pico_int.h
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@ -255,18 +255,19 @@ struct PicoMisc
char dirtyPal; // 06 Is the palette dirty (1 - change @ this frame, 2 - some time before)
unsigned char hardware; // 07 Hardware value for country
unsigned char pal; // 08 1=PAL 0=NTSC
unsigned char sram_status; // 09 SRAM status. See SRS_* below
unsigned char sram_reg; // 09 SRAM reg. See SRR_* below
unsigned short z80_bank68k; // 0a
unsigned short z80_lastaddr; // this is for Z80 faking
unsigned char z80_fakeval;
unsigned char pad0;
unsigned char z80_reset; // z80 reset held
unsigned char padDelay[2]; // 10 gamepad phase time outs, so we count a delay
unsigned short eeprom_addr; // EEPROM address register
unsigned char eeprom_cycle; // EEPROM SRAM cycle number
unsigned char eeprom_cycle; // EEPROM cycle number
unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs
unsigned char prot_bytes[2]; // simple protection faking
unsigned char eeprom_status;
unsigned char pad1;
unsigned short dma_xfers; // 18
unsigned char pad[2];
unsigned char eeprom_wb[2]; // EEPROM latch/write buffer
unsigned int frame_count; // 1c for movies and idle det
};
@ -293,24 +294,26 @@ struct Pico
};
// sram
#define SRS_MAPPED (1 << 0)
#define SRS_READONLY (1 << 1)
#define SRS_EEPROM (1 << 2)
#define SRS_DETECTED (1 << 4)
#define SRR_MAPPED (1 << 0)
#define SRR_READONLY (1 << 1)
#define SRF_ENABLED (1 << 0)
#define SRF_EEPROM (1 << 1)
struct PicoSRAM
{
unsigned char *data; // actual data
unsigned int start; // start address in 68k address space
unsigned int end;
unsigned char unused1; // 0c: unused
unsigned char flags; // 0c: SRF_*
unsigned char unused2;
unsigned char changed;
unsigned char eeprom_type; // eeprom type: 0: 7bit (24C01), 2: device with 2 addr words (X24C02+), 3: dev with 3 addr words
unsigned char eeprom_abits; // eeprom access must be odd addr for: bit0 ~ cl, bit1 ~ out
unsigned char eeprom_type; // eeprom type: 0: 7bit (24C01), 2: 2 addr words (X24C02+), 3: 3 addr words
unsigned char unused3;
unsigned char eeprom_bit_cl; // bit number for cl
unsigned char eeprom_bit_in; // bit number for in
unsigned char eeprom_bit_out; // bit number for out
unsigned int size;
};
// MCD
@ -414,6 +417,7 @@ extern areaseek *areaSeek;
extern areaclose *areaClose;
// cart.c
extern void (*PicoCartMemSetup)(void);
extern void (*PicoCartUnloadHook)(void);
// debug.c
@ -441,10 +445,6 @@ void PicoDrawSetColorFormatMode4(int which);
PICO_INTERNAL void PicoInitPc(unsigned int pc);
PICO_INTERNAL unsigned int PicoCheckPc(unsigned int pc);
PICO_INTERNAL void PicoMemSetup(void);
PICO_INTERNAL void PicoMemResetHooks(void);
extern unsigned int (*PicoRead16Hook)(unsigned int a, int realsize);
extern void (*PicoWrite8Hook) (unsigned int a,unsigned int d,int realsize);
extern void (*PicoWrite16Hook)(unsigned int a,unsigned int d,int realsize);
unsigned int PicoRead8_io(unsigned int a);
unsigned int PicoRead16_io(unsigned int a);
void PicoWrite8_io(unsigned int a, unsigned int d);
@ -537,14 +537,16 @@ PICO_INTERNAL_ASM unsigned int PicoVideoRead8(unsigned int a);
extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp);
// misc.c
PICO_INTERNAL void EEPROM_write(unsigned int d);
PICO_INTERNAL void EEPROM_upd_pending(unsigned int a, unsigned int d);
PICO_INTERNAL_ASM unsigned int EEPROM_read(void);
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);
// eeprom.c
void EEPROM_write8(unsigned int a, unsigned int d);
void EEPROM_write16(unsigned int d);
unsigned int EEPROM_read(void);
// z80 functionality wrappers
PICO_INTERNAL void z80_init(void);
PICO_INTERNAL void z80_pack(unsigned char *data);
@ -574,6 +576,12 @@ void PicoMemSetupMS(void);
void PicoFrameMS(void);
void PicoFrameDrawOnlyMS(void);
/* avoid dependency on newer glibc */
static __inline int isspace_(int c)
{
return (0x09 <= c && c <= 0x0d) || c == ' ';
}
// emulation event logging
#ifndef EL_LOGMASK
#define EL_LOGMASK 0