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https://github.com/RaySollium99/picodrive.git
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save event times to savestates
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parent
65514d85d5
commit
6a98f03eef
5 changed files with 26 additions and 11 deletions
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@ -1,6 +1,6 @@
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/*
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* PicoDrive
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* (C) notaz, 2009,2010
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* (C) notaz, 2009,2010,2013
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*
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* This work is licensed under the terms of MAME license.
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* See COPYING file in the top-level directory.
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@ -225,7 +225,7 @@ static void fillend_event(unsigned int now)
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typedef void (event_cb)(unsigned int now);
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static unsigned int event_times[P32X_EVENT_COUNT];
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unsigned int event_times[P32X_EVENT_COUNT];
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static unsigned int event_time_next;
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static event_cb *event_cbs[] = {
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[P32X_EVENT_PWM] = pwm_irq_event,
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@ -1619,9 +1619,11 @@ void PicoMemSetup32x(void)
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void Pico32xStateLoaded(void)
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{
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sh2s[0].m68krcycles_done = sh2s[1].m68krcycles_done = SekCycleCntT;
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p32x_poll_event(3, 0);
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bank_switch(Pico32x.regs[4 / 2]);
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Pico32xSwapDRAM((Pico32x.vdp_regs[0x0a / 2] & P32XV_FS) ^ P32XV_FS);
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p32x_poll_event(3, 0);
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Pico32x.dirty_pal = 1;
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memset(Pico32xMem->pwm, 0, sizeof(Pico32xMem->pwm));
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p32x_timers_recalc();
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@ -722,6 +722,13 @@ void PicoFrameDrawOnlyMS(void);
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// 32x/32x.c
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#ifndef NO_32X
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extern struct Pico32x Pico32x;
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enum p32x_event {
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P32X_EVENT_PWM,
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P32X_EVENT_FILLEND,
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P32X_EVENT_COUNT,
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};
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extern unsigned int event_times[P32X_EVENT_COUNT];
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void Pico32xInit(void);
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void PicoPower32x(void);
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void PicoReset32x(void);
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@ -731,12 +738,6 @@ void PicoFrame32x(void);
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void p32x_sync_sh2s(unsigned int m68k_target);
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void p32x_update_irls(int nested_call);
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void p32x_reset_sh2s(void);
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enum p32x_event {
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P32X_EVENT_PWM,
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P32X_EVENT_FILLEND,
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P32X_EVENT_COUNT,
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};
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void p32x_event_schedule(enum p32x_event event, unsigned int now, int after);
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// 32x/memory.c
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@ -219,7 +219,8 @@ PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub)
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cpu[0x4d] = (context->execinfo & FM68K_HALTED) ? 1 : 0;
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#endif
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*(unsigned int *)(cpu+0x40)=pc;
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*(unsigned int *)(cpu+0x40) = pc;
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*(unsigned int *)(cpu+0x50) = SekCycleCntT;
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}
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PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
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@ -256,6 +257,7 @@ PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
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context->execinfo &= ~FM68K_HALTED;
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if (cpu[0x4d]&1) context->execinfo |= FM68K_HALTED;
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#endif
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SekCycleCntT = *(unsigned int *)(cpu+0x50);
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}
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12
pico/state.c
12
pico/state.c
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@ -174,6 +174,7 @@ typedef enum {
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CHUNK_SDRAM,
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CHUNK_DRAM,
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CHUNK_32XPAL,
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CHUNK_32X_EVT,
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//
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CHUNK_DEFAULT_COUNT,
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CHUNK_CARTHW_ = CHUNK_CARTHW, // defined in PicoInt
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@ -222,6 +223,7 @@ static const char * const chunk_names[] = {
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"SDRAM",
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"DRAM",
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"PAL",
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"events",
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};
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static int write_chunk(chunk_name_e name, int len, void *data, void *file)
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@ -334,7 +336,9 @@ static int state_save(void *file)
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CHECKED_WRITE_BUFF(CHUNK_DRAM, Pico32xMem->dram);
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CHECKED_WRITE_BUFF(CHUNK_32XPAL, Pico32xMem->pal);
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sh2s[0].m68krcycles_done = sh2s[1].m68krcycles_done = SekCycleCnt;
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memset(buff, 0, 0x40);
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memcpy(buff, event_times, sizeof(event_times));
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CHECKED_WRITE(CHUNK_32X_EVT, 0x40, buff);
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}
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#endif
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@ -384,6 +388,7 @@ static int state_load(void *file)
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unsigned char buff_m68k[0x60], buff_s68k[0x60];
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unsigned char buff_z80[Z80_STATE_SIZE];
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unsigned char buff_sh2[SH2_STATE_SIZE];
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unsigned char buff[0x40];
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unsigned char chunk;
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void *ym2612_regs;
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char header[8];
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@ -478,6 +483,11 @@ static int state_load(void *file)
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case CHUNK_SDRAM: CHECKED_READ_BUFF(Pico32xMem->sdram); break;
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case CHUNK_DRAM: CHECKED_READ_BUFF(Pico32xMem->dram); break;
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case CHUNK_32XPAL: CHECKED_READ_BUFF(Pico32xMem->pal); break;
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case CHUNK_32X_EVT:
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CHECKED_READ_BUFF(buff);
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memcpy(event_times, buff, sizeof(event_times));
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break;
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#endif
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default:
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if (carthw_chunks != NULL)
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