v1.6
- fixed: some port trap variables weren't initialized if real-mode port
trapping was disabled. - fixed: debug displays may have caused a GPF.
- VSBHDA16: option /DIVE added; enable Borland "Runtime error 200" fix.
- fixed: VPIC EOI check now tests bits 5/6 of OCW2; handles specific EOIs.
- fixed VMPU: set UART mode cmd 0x3F added.
- fixed regression v1.4-v1.5: if DAC had no amplifier, volume was very low
and couldn't be changed with /VOL.