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base repository: GlasgowEmbedded/glasgow
base: 77d98ea283b5
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head repository: GlasgowEmbedded/glasgow
compare: 50ce60b666fa
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  • 2 commits
  • 1 file changed
  • 1 contributor

Commits on Mar 12, 2019

  1. applet.audio.yamaha_opl: replace ~CS pin with A1. 

    This applet does not really need ~CS, since the chip can be safely
always selected. On the other hand, having A0 and A1 allows us to
interface almost every OPx device, with the chief exception of OPL4.
    @whitequark
    whitequark committed Mar 12, 2019
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  2. applet.audio.yamaha_opl: separate CPU and DAC buses. NFC. 

    This helps to make clear the distinction between these interfaces,
which are essentially unrelated and not synchronized. Also, some
chips, like OPL3, have dual DAC outputs. (Really quad, but dual
electrically.)
    @whitequark
    whitequark committed Mar 12, 2019
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