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mcd, preparations for msu support

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This commit is contained in:
kub 2023-05-26 19:09:37 +00:00
parent 178a9b683c
commit 02ff025479
15 changed files with 153 additions and 170 deletions
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7
pico/pico_int.h
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@ -566,9 +566,6 @@ typedef struct
char pcm_regs_dirty;
} mcd_state;
// XXX: this will need to be reworked for cart+cd support.
#define Pico_mcd ((mcd_state *)Pico.rom)
// 32X
#define P32XS_FM (1<<15)
#define P32XS_nCART (1<< 8)
@ -773,6 +770,7 @@ int gfx_context_load(const unsigned char *state);
void DmaSlowCell(u32 source, u32 a, int len, unsigned char inc);
// cd/memory.c
extern unsigned int pcd_base_address;
PICO_INTERNAL void PicoMemSetupCD(void);
u32 PicoRead8_mcd_io(u32 a);
u32 PicoRead16_mcd_io(u32 a);
@ -797,6 +795,8 @@ PICO_INTERNAL void PicoSyncZ80(unsigned int m68k_cycles_done);
#define PCDS_IEN5 (1<<5)
#define PCDS_IEN6 (1<<6)
extern mcd_state *Pico_mcd;
PICO_INTERNAL void PicoInitMCD(void);
PICO_INTERNAL void PicoExitMCD(void);
PICO_INTERNAL void PicoPowerMCD(void);
@ -811,6 +811,7 @@ enum pcd_event {
PCD_EVENT_COUNT,
};
extern unsigned int pcd_event_times[PCD_EVENT_COUNT];
void pcd_event_schedule(unsigned int now, enum pcd_event event, int after);
void pcd_event_schedule_s68k(enum pcd_event event, int after);
void pcd_prepare_frame(void);