Extensively cleaned up and changed the CD-ROM code;
Removed CD-ROM IOCTTL (it was causing performance and stability issues);
Turned a lot of things into device_t's;
Added the PS/1 Model 2011 XTA and standalone XTA hard disk controllers, ported from Varcem;
Numerous FDC fixes for the PS/1 Model 2121;
NVR changes ported from Varcem;
The PCap code no longer requires libpcap to be compiled;
Numerous fixes to various SCSI controllers;
Updated NukedOPL to 1.8;
Fixes to OpenAL initialization and closing, should give less Audio issues now;
Revorked parts of the common (S)VGA code (also based on code from QEMU);
Removed the Removable SCSI hard disks (they were a never finished experiment so there was no need to keep them there);
Cleaned up the SCSI hard disk and Iomega ZIP code (but more cleanups of that are coming in the future);
In some occasions (IDE hard disks in multiple sector mode and SCSI hard disks) the status bar icon is no longer updated, should improve performance a bit;
Redid the way the tertiary and quaternary IDE controllers are configured (and they are now device_t's);
Extensively reworked the IDE code and fixed quite a few bugs;
Fixes to XT MFM, AT MFM, and AT ESDI code;
Some changes to XTIDE and MCA ESDI code;
Some fixes to the CD-ROM image handler.
Fixed Sound Blaster 16 and earlier CD-ROM volume registers (and made them no longer default to 0);
Serial mouse now resets the FIFO before sending the ID, fixes mouse detection after clipping and moving the mouse;
Rewritten CD-ROM and SCSI disk Mode Select handling and changed things regarding Mode Sense as well, also fixes emulator segmentation faults when anything attempts to do a Mode Select;
Fixed the Microsoft InPort mouse emulation (used the Bochs code as reference for the polling/state update code), now it actually moves;
The PCjr initialization now sets the XT scan code table, makes the keyboard actually work on the PCjr again;
Several bugfixes regarding the Read CD commands, fixes CD Audio in digital mode on Windows ME;
Finally properly fixed the regular CD Audio MSF/LBA conversion mess;
Applied all applicable PCem commits.
The "Write data to mouse" command no longer times out when there is PS/2 mouse, and instead adds the 0xFF byte to the queue, properly fixes the hang when entering into the P55T2S BIOS' CMOS Setup with mouse set to anything other than PS/2;
Removed the incorrect implementation of the OPTi 495 register 0x27 bit 7, it had nothing to do with A20, and the A20 stuck error was caused by the previously incorrect implementation of the 8042 output port bit pulse commands which is no longer the case;
The 8042 now once again correctly initializes with A20 Gate on.
Fixed a bug in the SMC FDC37C932 emulation, fixes the FDC on the two Acer machines;
Re-added some Acer-specific I/O port handlers, fixes entry into CMOS Setup on the two Acer machines.
IBM.H is gone, video stuff re-organized. Keyboard stuff reorganized.
Machines that have their own video, mouse and/or keyboard now have all this in their machine file.
Fixed and other cleanups here and there.
