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32x: rework scheduling/timing

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- don't run in line quantity
- decouple from 68k
- some things to tune..
This commit is contained in:
notaz 2013-07-08 02:38:42 +03:00
parent ed4402a7df
commit a8fd6e3761
9 changed files with 325 additions and 130 deletions
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40
pico/pico_int.h
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@ -237,13 +237,22 @@ extern SH2 sh2s[2];
#define ssh2 sh2s[1]
#ifndef DRC_SH2
# define ash2_end_run(after) if (sh2->icount > (after)) sh2->icount = after
# define ash2_end_run(after) do { \
if (sh2->icount > (after)) { \
sh2->cycles_timeslice -= sh2->icount; \
sh2->icount = after; \
} \
} while (0)
# define ash2_cycles_done() (sh2->cycles_timeslice - sh2->icount)
#else
# define ash2_end_run(after) { \
if ((sh2->sr >> 12) > (after)) \
{ sh2->sr &= 0xfff; sh2->sr |= (after) << 12; } \
}
# define ash2_end_run(after) do { \
int left = sh2->sr >> 12; \
if (left > (after)) { \
sh2->cycles_timeslice -= left; \
sh2->sr &= 0xfff; \
sh2->sr |= (after) << 12; \
} \
} while (0)
# define ash2_cycles_done() (sh2->cycles_timeslice - (sh2->sr >> 12))
#endif
@ -460,6 +469,7 @@ typedef struct
#define P32XF_68KVPOLL (1 << 3)
#define P32XF_MSH2VPOLL (1 << 4)
#define P32XF_SSH2VPOLL (1 << 5)
#define P32XF_PWM_PEND (1 << 6)
#define P32XI_VRES (1 << 14/2) // IRL/2
#define P32XI_VINT (1 << 12/2)
@ -493,7 +503,10 @@ struct Pico32x
unsigned short dmac_fifo[DMAC_FIFO_LEN];
unsigned int dmac_ptr;
unsigned int pwm_irq_sample_cnt;
unsigned int reserved[9];
unsigned char comm_dirty_68k;
unsigned char comm_dirty_sh2;
unsigned short pad;
unsigned int reserved[8];
};
struct Pico32xMem
@ -719,6 +732,13 @@ void p32x_sync_sh2s(unsigned int m68k_target);
void p32x_update_irls(int nested_call);
void p32x_reset_sh2s(void);
enum p32x_event {
P32X_EVENT_PWM,
P32X_EVENT_FILLEND,
P32X_EVENT_COUNT,
};
void p32x_event_schedule(enum p32x_event event, unsigned int now, int after);
// 32x/memory.c
struct Pico32xMem *Pico32xMem;
unsigned int PicoRead8_32x(unsigned int a);
@ -747,9 +767,9 @@ extern int Pico32xDrawMode;
unsigned int p32x_pwm_read16(unsigned int a);
void p32x_pwm_write16(unsigned int a, unsigned int d);
void p32x_pwm_update(int *buf32, int length, int stereo);
void p32x_timers_do(int line_call);
void p32x_timers_do(unsigned int cycles);
void p32x_timers_recalc(void);
extern int pwm_frame_smp_cnt;
void p32x_pwm_schedule(unsigned int now);
#else
#define Pico32xInit()
#define PicoPower32x()
@ -805,10 +825,10 @@ static __inline int isspace_(int c)
#if EL_LOGMASK
#define elprintf(w,f,...) \
{ \
do { \
if ((w) & EL_LOGMASK) \
lprintf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__); \
}
} while (0)
#elif defined(_MSC_VER)
#define elprintf
#else