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Initial submission of the PCem-Experimental source code.

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OBattler
2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
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58
src/timer.h Normal file
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#ifndef _TIMER_H_
#define _TIMER_H_
#include "cpu.h"
extern int timer_start;
#define timer_start_period(cycles) \
timer_start = cycles;
#define timer_end_period(cycles) \
do \
{ \
int diff = timer_start - (cycles); \
timer_count -= diff; \
timer_start = cycles; \
if (timer_count <= 0) \
{ \
timer_process(); \
timer_update_outstanding(); \
} \
} while (0)
#define timer_clock() \
do \
{ \
int diff; \
if (AT) \
{ \
diff = timer_start - (cycles << TIMER_SHIFT); \
timer_start = cycles << TIMER_SHIFT; \
} \
else \
{ \
diff = timer_start - (cycles * xt_cpu_multi); \
timer_start = cycles * xt_cpu_multi; \
} \
timer_count -= diff; \
timer_process(); \
timer_update_outstanding(); \
} while (0)
void timer_process();
void timer_update_outstanding();
void timer_reset();
int timer_add(void (*callback)(void *priv), int *count, int *enable, void *priv);
void timer_set_callback(int timer, void (*callback)(void *priv));
#define TIMER_ALWAYS_ENABLED &timer_one
extern int timer_count;
extern int timer_one;
#define TIMER_SHIFT 6
extern int TIMER_USEC;
#endif /*_TIMER_H_*/