SCSI LUN is now selectable for the CD-ROM drives;
Made sure every BusLogic RequestSetup ends in a StartMailbox sooner or later, fixes freezes with the DOS BusLogic drivers;
Commented out execess logging from mem.c;
Applied the mainline PCem commit that fixes the Bahamas64 on some boards.
Fixed several ATAPI CD-ROM bugs;
Added some missing CPL override checks to the MMU translate functions;
Tertiary and quaternary IDE controllers are now automatically disabled if not a single device is attached to them;
Changed sleep time on compile from 10 seconds to 2 seconds.
Fixed IDE and ATAPI 8-bit data reads and writes by rewriting the IDE and CD-ROM PIO data read and write code so that the base code is now 8-bit;
Added some compiler directives that if set, will enable togglable logging and log breakpoints;
Empty IDE channels now always report a status of 0x10 rather than 0x20, and do it on port 3F6h/376h/36Eh/3EEh too, fixes OAKCDROM.SYS infinite loop when hitting an empty IDE channel.
Four CD-ROM drives are now emulated;
ATAPI DMA is now emulated;
Unified CD-ROM pass through to host drive handling;
Applied all (applicable) mainline PCem commits.
Some cleanup.
End the SCSI request if the transfer length is already 0.
Additional fixes to support OS/2 1.3 and DOS buslogic drivers, still not 100% working for those, however, but CD-ROM is recognized.
Moved CD-ROM read data buffer declaration and definitions to SCSI source files and headers, but still applying to IDE when needed.
SCSI Read commands now return the correct sectors on callback.
DMA bug fixes.
