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Annotation of hatari/src/uae-cpu/events.h, revision 1.1.1.4

1.1       root        1:  /*
                      2:   * Events
                      3:   * These are best for low-frequency events. Having too many of them,
                      4:   * or using them for events that occur too frequently, can cause massive
                      5:   * slowdown.
                      6:   */
                      7: 
1.1.1.4 ! root        8: #ifndef UAE_EVENTS_H
        !             9: #define UAE_EVENTS_H
        !            10: 
1.1       root       11: #include "../includes/main.h"
1.1.1.3   root       12: #include "../includes/decode.h"
1.1.1.4 ! root       13: #include "../includes/mfp.h"
        !            14: 
1.1       root       15: 
                     16: STATIC_INLINE void do_cycles(unsigned long cycles_to_add)
                     17: {
1.1.1.4 ! root       18:   cycles_to_add = (cycles_to_add+3)&0xfffffffc;
        !            19:   lastInstructionCycles = cycles_to_add;     /* Store to find how many cycles last instruction took to execute */
        !            20:   SoundCycles += cycles_to_add;              /* Add in cycle time to get cycle-accurate sample playback */
        !            21:   PendingInterruptCount -= (short)cycles_to_add;     /* Add cycle time including effective address time */
        !            22:   if( PendingInterruptCount<=0 || PendingInterruptFlag)        /* Check for any interrupts or flag to service */
1.1       root       23:   {
1.1.1.4 ! root       24:     if( PendingInterruptFlag&PENDING_INTERRUPT_FLAG_MFP )
        !            25:       MFP_CheckPendingInterrupts();
        !            26:     if( PendingInterruptCount<=0 && PendingInterruptFunction )
        !            27:       CALL_VAR(PendingInterruptFunction);
1.1       root       28:   }
                     29: }
1.1.1.4 ! root       30: 
        !            31: #endif  /* UAE_EVENTS_H */

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