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In some occasions (IDE hard disks in multiple sector mode and SCSI hard disks) the status bar icon is no longer updated, should improve performance a bit;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.
Slightly reworked the Cirrus Logic hardware cursor handler, it now loads the foreground and background colors from the special color palette;
Implemented Cirrus Logic SR 0x12 bit 7 that if set, makes the card use special color palette entry 2 for the overscan border color instead of attribute register 0x11.
The CD-ROM and Iomega ZIP drives now clear the error bit when the PACKET COMMAND command is issued, fixes the Iomega GUEST.EXE for DOS hang when run while the Iomega ZIP drive is empty.
The buffers are now memset'd to 0x00's on allocation;
The Iomega ZIP drive now issues an IRQ on receipt of the PACKET COMMAND command, fixes it on Windows 98 SE.
Reimplemented saving of all the non-volatile things of the Toshiba T1000 and T1200;
Applied the latest T1200 patch from John Elliott;
Applied the latest ATI Korean VGA patch from greatpsycho.
Slight reworking in the mouse and network code (ported from VARCem) in preparation for a major change that will const a lot of things to further reduce RAM usage.
