| 1 | // |
| 2 | // EVENT.H: System timing support functionality |
| 3 | // |
| 4 | // by James Hammons |
| 5 | // |
| 6 | |
| 7 | #ifndef __EVENT_H__ |
| 8 | #define __EVENT_H__ |
| 9 | |
| 10 | enum { EVENT_MAIN, EVENT_JERRY }; |
| 11 | |
| 12 | //NTSC Timings... |
| 13 | #define RISC_CYCLE_IN_USEC 0.03760684198 |
| 14 | #define M68K_CYCLE_IN_USEC (RISC_CYCLE_IN_USEC * 2) |
| 15 | //PAL Timings |
| 16 | #define RISC_CYCLE_PAL_IN_USEC 0.03760260812 |
| 17 | #define M68K_CYCLE_PAL_IN_USEC (RISC_CYCLE_PAL_IN_USEC * 2) |
| 18 | |
| 19 | #define HORIZ_PERIOD_IN_USEC_NTSC 63.555555555 |
| 20 | #define HORIZ_PERIOD_IN_USEC_PAL 64.0 |
| 21 | |
| 22 | #define USEC_TO_RISC_CYCLES(u) (uint32_t)(((u) / (vjs.hardwareTypeNTSC ? RISC_CYCLE_IN_USEC : RISC_CYCLE_PAL_IN_USEC)) + 0.5) |
| 23 | #define USEC_TO_M68K_CYCLES(u) (uint32_t)(((u) / (vjs.hardwareTypeNTSC ? M68K_CYCLE_IN_USEC : M68K_CYCLE_PAL_IN_USEC)) + 0.5) |
| 24 | |
| 25 | void InitializeEventList(void); |
| 26 | void SetCallbackTime(void (* callback)(void), double time, int type = EVENT_MAIN); |
| 27 | void RemoveCallback(void (* callback)(void)); |
| 28 | void AdjustCallbackTime(void (* callback)(void), double time); |
| 29 | double GetTimeToNextEvent(int type = EVENT_MAIN); |
| 30 | void HandleNextEvent(int type = EVENT_MAIN); |
| 31 | |
| 32 | #endif // __EVENT_H__ |