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⌂ ∞ ▽ Revs on the BBC Micro

Sound: FlushSoundBuffers

       Name: FlushSoundBuffers                                       [Show more]
       Type: Subroutine
   Category: Sound
    Summary: Flush all four specified sound buffers
  Deep dive: The engine sounds

    Context: See this subroutine in context in the source code
 References: This subroutine is called as follows:
             * CheckForCrash calls FlushSoundBuffers
             * KillCustomScreen calls FlushSoundBuffers
             * MainDrivingLoop (Part 4 of 5) calls FlushSoundBuffers
             * MakeDrivingSounds calls FlushSoundBuffers
             * ProcessShiftedKeys calls FlushSoundBuffers




.FlushSoundBuffers

 LDX #3                 \ We are about to flush all four sound channel buffers
                        \ (0 to 3), so set a loop counter in X

.flub1

 JSR FlushSoundBuffer   \ Flush the buffer for sound channel X

 DEX                    \ Decrement the loop counter

 BPL flub1              \ Loop back until we have flushed all four buffers

 RTS                    \ Return from the subroutine

 EQUB &00               \ This byte appears to be unused