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32x: initial code (security code passes)

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@772 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-11 11:29:19 +00:00
parent 000f53350c
commit be2c420828
8 changed files with 340 additions and 5 deletions
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29
pico/pico_int.h
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@ -257,15 +257,15 @@ struct PicoMisc
unsigned char pal; // 08 1=PAL 0=NTSC
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 pad0;
unsigned short pad0;
unsigned char pad1;
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 cycle number
unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs
unsigned char eeprom_status;
unsigned char pad1;
unsigned char pad2;
unsigned short dma_xfers; // 18
unsigned char eeprom_wb[2]; // EEPROM latch/write buffer
unsigned int frame_count; // 1c for movies and idle det
@ -385,8 +385,17 @@ typedef struct
Rot_Comp rot_comp;
} mcd_state;
// XXX: this will need to be reworked for cart+cd support.
#define Pico_mcd ((mcd_state *)Pico.rom)
// 32X
struct Pico32x
{
unsigned short regs[0x20];
unsigned short vdp_regs[0x10];
unsigned char pending_fb;
unsigned char pad[3];
};
// area.c
PICO_INTERNAL void PicoAreaPackCpu(unsigned char *cpu, int is_sub);
@ -576,6 +585,19 @@ void PicoMemSetupMS(void);
void PicoFrameMS(void);
void PicoFrameDrawOnlyMS(void);
// 32x/32x.c
extern struct Pico32x Pico32x;
void Pico32xInit(void);
void Pico32xStartup(void);
void PicoReset32x(void);
// 32x/memory.c
unsigned int PicoRead8_32x(unsigned int a);
unsigned int PicoRead16_32x(unsigned int a);
void PicoWrite8_32x(unsigned int a, unsigned int d);
void PicoWrite16_32x(unsigned int a, unsigned int d);
void PicoMemSetup32x(void);
/* avoid dependency on newer glibc */
static __inline int isspace_(int c)
{
@ -606,6 +628,7 @@ static __inline int isspace_(int c)
#define EL_IDLE 0x00010000 /* idle loop det. */
#define EL_CDREGS 0x00020000 /* MCD: register access */
#define EL_CDREG3 0x00040000 /* MCD: register 3 only */
#define EL_32X 0x00080000
#define EL_STATUS 0x40000000 /* status messages */
#define EL_ANOMALY 0x80000000 /* some unexpected conditions (during emulation) */