c7c9cc2430
DMA functions defined. Most of the changes are based on the "bochs sync"
version of plex86. Here is the list of changes:
* register/unregister functions for DMA channels added. The DMA controller
can use the DMA read/write handlers of registered devices directly.
* "hardwired" code in dma.cc removed
* all DMA related code in devices.cc and iodev.h removed
* DMA related code in pc_system.* removed except HRQ handling
* macros for DMA functions defined in bochs.h
* floppy and SB16 code modified to use the changes described above
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| bochs-performance | ||
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