DOSBox-Staging Git (2022/02/02) is compiled. This repository attempts to modernize the DOSBox project by using current development practices and tools, fixing issues, adding features that better support today's systems, and sending patches upstream.

DOSBox-Staging Git Changelog:
* Update bit operation in keyboard to new format
* Add bit-operations helper functions
* Slightly refactor port 62h reads with bit-ops calls
* Differentiate time 2 for XT and AT on port 61h reads
* Add port 61h keyboard buffer clearing for XT
* Document ports 61h and 62h of the Intel 8255 PPI device
* Add bit-operations helper functions
* Make the machine-type enum a bitmask
* Use a 12% expansion envelope for the GUS
* Make the audio enveloper directional
* Adjust the DMA size to use 16-bit per the count-size
* Limit the DMA wrap size to 32-bit
* Avoid a potential null-dereference in DMA_Read_Port
* Avoid a potential null-dereference in DMA_Write_Port
* Collapse duplicate DMA::Read and Write calls into one
* Refactor the new DMA block read and write routines
* Make DMA block read and writes behave like emm386.exe
* Hold the GUS playback rate in a normal integer
* Assert the GUS DMA channel's terminal-count on end
* Update GUS DMA address after transfering
* Refactor the GUS's DMA read/write section
* Fix GUS handling of the next address when interpolating
* Fix intermediate names in the GUS Read16BitSample function
* Keep track of the GUS's remaining DMA nibble
* Refactor GUS GetSample to use a 16-bit check instead of 8-bit
* Allow GUS to use IRQs up to 12
* Fix an array overrun issue in shell

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