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simh.simh/3B2/3b2_dmac.c
Seth Morabito 6e7127d954 3b2: Properly initialize DMAC Current Word Count 
- The DMAC controller "Current Word Count" expects to decrement
  beyond 0 to 0xffff. Its initial value should also be 0xffff.
  Setting the initial value to 0 introduced a very subtle bug
  related to DUART self-test following a soft power reset.
2018-12-13 19:50:20 -08:00

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