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updated EEPROM code, gmv fixed

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@249 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-16 15:44:18 +00:00
parent 32826a1a22
commit 1dceadaee4
14 changed files with 306 additions and 170 deletions
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23
Pico/PicoInt.h
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@ -171,9 +171,9 @@ struct PicoMisc
unsigned char z80_fakeval;
unsigned char pad0;
unsigned char padDelay[2]; // 10 gamepad phase time outs, so we count a delay
unsigned short sram_addr; // EEPROM address register
unsigned char sram_cycle; // EEPROM SRAM cycle number
unsigned char sram_slave; // EEPROM slave word for X24C02 and better SRAMs
unsigned short eeprom_addr; // EEPROM address register
unsigned char eeprom_cycle; // EEPROM SRAM cycle number
unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs
unsigned char prot_bytes[2]; // simple protection faking
unsigned short dma_xfers;
unsigned char pad[2];
@ -204,10 +204,14 @@ struct PicoSRAM
unsigned char *data; // actual data
unsigned int start; // start address in 68k address space
unsigned int end;
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 unused1; // 0c: unused
unsigned char unused2;
unsigned char changed;
unsigned char pad;
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_bit_cl; // bit number for cl
unsigned char eeprom_bit_in; // bit number for in
unsigned char eeprom_bit_out; // bit number for out
};
// MCD
@ -291,6 +295,9 @@ PICO_INTERNAL int PicoAreaUnpackCpu(unsigned char *cpu, int is_sub);
PICO_INTERNAL int PicoCdSaveState(void *file);
PICO_INTERNAL int PicoCdLoadState(void *file);
// Cart.c
PICO_INTERNAL void PicoCartDetect(void);
// Draw.c
PICO_INTERNAL int PicoLine(int scan);
PICO_INTERNAL void PicoFrameStart(void);
@ -397,6 +404,10 @@ PICO_INTERNAL void z80_exit(void);
#define EL_VDPDMA 0x0040 /* VDP DMA transfers and their timing */
#define EL_BUSREQ 0x0080 /* z80 busreq r/w */
#define EL_Z80BNK 0x0100 /* z80 i/o through bank area */
#define EL_SRAMIO 0x0200 /* sram i/o */
#define EL_EEPROM 0x0400 /* eeprom debug */
#define EL_UIO 0x0800 /* unmapped i/o */
#define EL_IO 0x1000 /* all i/o */
#define EL_STATUS 0x4000 /* status messages */
#define EL_ANOMALY 0x8000 /* some unexpected conditions */