X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fpico_int.h;h=cb12bc10c1fdbf84cf9eaf8560735aa15532e45b;hb=45f2f245f51ef0c0d37df3c998595c132bfcaffa;hp=8c72bba2229b4c565b95533b7c48fde027b42d09;hpb=af37bca858874b5cbd5ab126eaba1fad6ff7ab72;p=picodrive.git diff --git a/pico/pico_int.h b/pico/pico_int.h index 8c72bba..cb12bc1 100644 --- a/pico/pico_int.h +++ b/pico/pico_int.h @@ -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