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- Short: busywait-fixed ProTracker-replay
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-
- the old routine wasted about 2*10 rasterlines for switching the DMA off and on.
- this routine needs 2-8 lines for the dmawait (depending on the module). It was
- tested on an A500/A3000/A4000 and seems to play all modules ok (or at least the modules the original pt 1.1b replay plays ok).
- a very simple ProTracker-player for DeliTracker is included.
- BTW, using this new technique it should be no problem to fix the busywait-loops
- of almost every other replay !
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-
- known bugs:
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- sometimes when a module starts playing and the first note is played on
- a channel, the routine needs ~100 rasterlines (in the mt_Wait2 loop).
- perhaps this is a dma problem ?
-
- if you know how to fix these bugs please contact me:
- kunath@informatik.tu-muenchen.de (Peter Kunath)
-