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The SB DMA callback ignores previously selected, but not currently selected, DMA channels. Fixes Visual Player 2 with SB16.

Bits 0 and 4 of the SBPro mixer volume registers are always set. Fixes SBPro detection in Wolfenstein 3D, Alone in the Dark (European versions), Visual Player 2, and possibly others.

ripsaw8080 2013-11-19

changed /dosbox/trunk/src/hardware/sblaster.cpp
/dosbox/trunk/src/hardware/sblaster.cpp Diff Switch to side-by-side view