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bugfixes, cd/Memory.s

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@70 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-03-19 18:55:28 +00:00
parent 66fdc0f0d5
commit 4ff2d52753
14 changed files with 2043 additions and 124 deletions
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35
Pico/PicoInt.h
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@ -160,11 +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;
};
@ -182,10 +182,10 @@ struct mcd_pcm
unsigned char bank;
int pad1;
struct pcm_chan
struct pcm_chan // 08, size 0x10
{
unsigned char regs[8];
unsigned int addr; // played sample address
unsigned int addr; // .08: played sample address
int pad;
} ch[8];
};
@ -195,24 +195,24 @@ struct mcd_misc
unsigned short hint_vector;
unsigned char busreq;
unsigned char s68k_pend_ints;
unsigned int state_flags; // emu state: reset_pending,
unsigned int state_flags; // 04: emu state: reset_pending,
unsigned int counter75hz;
unsigned short audio_offset; // for savestates: play pointer offset (0-1023)
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;
int timer_int3; // 10
unsigned int timer_stopwatch;
int pad[10];
};
typedef struct
{
unsigned char bios[0x20000]; // 128K
union { // 512K
unsigned char bios[0x20000]; // 000000: 128K
union { // 020000: 512K
unsigned char prg_ram[0x80000];
unsigned char prg_ram_b[4][0x20000];
};
union { // 256K
union { // 0a0000: 256K
struct {
unsigned char word_ram2M[0x40000];
unsigned char unused[0x20000];
@ -222,19 +222,19 @@ typedef struct
unsigned char word_ram1M[2][0x20000];
};
};
union { // 64K
union { // 100000: 64K
unsigned char pcm_ram[0x10000];
unsigned char pcm_ram_b[0x10][0x1000];
};
unsigned char bram[0x2000]; // 8K
unsigned char s68k_regs[0x200]; // GA, not CPU regs
struct mcd_pcm pcm;
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;
struct mcd_misc m;
} mcd_state;
#define Pico_mcd ((mcd_state *)Pico.rom)
@ -268,6 +268,7 @@ void z80_write16(unsigned short data, unsigned short a);
// cd/Memory.c
void PicoMemSetupCD(void);
void PicoMemResetCD(int r3);
unsigned char PicoReadCD8 (unsigned int a);
unsigned short PicoReadCD16(unsigned int a);
unsigned int PicoReadCD32(unsigned int a);