Fixed the last remaining ATAPI DMA bugs;
Fixed IDE hard disk DMA;
Fixed PIIX bus master DMA read and write;
The Settings dialog now accepts more than 16 heads for IDE hard disks;
Added the IDE READ DMA ALT and WRITE DMA ALT commands;
Reenabled current CHS translation reporting, with bugfixes, hopefully the bugfixes will prevent certain larger hard disks from being detected as 250 MB.
The CD-ROM buffer is now dynamically malloc'd;
Did a lot of bugfixing in cdrom.c and scsi_disk.c, Debian 8's modprobe aha1542 and the NT 3.10.404.1 Trantor 310b driver now work;
Fixed the IDE IRQ/MIRQ mess and ATAPI DMA transfer length;
Fixed the operation of mmutranslate() a bit;
Commented out several instances of excess logging;
Applied the mainline PCem commit prefetch commit;
Readded missing Sound Blaster DSP MIDI behavior and gave it the correct MPU struct;
All non-IBM 486 machines now correctly have the VLB flag set.
The AT keyboard "write to mouse" command now returns 0xFF (error) when no PS/2 mouse is attached - fixes hangs on AOpen AP53, ASUS P/I-P55T2S, and Tyan Titan Pro/ATX when not using PS/2 mouse;
Fixed the emulation of the SMC FDC37C669 Super I/O chip - serial ports now work correctly on the AOpen AP53 and the ASUS P/I-P55T2S.
Removed all the SCSI BIOS ID/LUN swapping nonsense as it's no longer needed;
The makefile now knows the .h dependencies for everything in SOUND/;
Moved hdd*.* and scsi*.* to the HDD and SCSI subdirectories, respectively;
Fixed some leftover path name miscapitalizations in the makefile;
BT-542B is now BT-545C and BT-946C is now BT-958D again;
Implemented the last missing commands for the BT-958D;
MUNT and network are now optional at compile time but enabled by default;
When compiling the development branch, you now have to choose what of (Pro Audio Spectrum 16, Cirrus Logic, NVidia Riva) you want your binary to include.
Thoroughly clean up the code to vastly reduce the number of compiler warnings and found and fixed several bugs in the process;
Applied all mainline PCem commits;
Added SCSI hard disk emulation;
Commented out all unfinished machines and graphics cards;
Added the AOpen AP53 and ASUS P/I-P55T2 machines as well as another Tyan 440FX machine, all three with AMI WinBIOS (patch from TheCollector1995);
Added the Diamond Stealth 3D 3000 (S3 ViRGE/VX) graphics card (patch from TheCollector1995);
Added the PS/2 XT IDE (AccuLogic) HDD Controller (patch from TheCollector1995);
Added Microsoft/Logitech Bus Mouse emulation (patch from waltje);
Overhauled the makefiles (patch from waltje);
Added the Adaptec AHA-1542CF SCSI controller (patch from waltje);
Added preliminary (but still unfinished) Adaptec AHA-154x SCSI controller BIOS support (patch from waltje);
Added an ISABugger debugging device (patch from waltje);
Added sanity checks to the Direct3D code.
Floppy disk controller is now COMPLETELY reset on hard reset;
NukedOPL is now optional (but enabled by default) so people on older hardware can gain a few % of performance by going back to DOSBox OPL;
*.CPP files now get all the correct optimization flags applied;
Added NEC PowerMate V emulation - you can get into CMOS SETUP but it hangs before booting, and PCI graphics card don't work (yet).
Fixed a link-breaking bug in cdrom.c;
The AHA-154x now supports commands 0x28 (GET EXTENDED BIOS INFO) and 0x29 (UNLOCK MAILBOX) and no longer reports a firmware revision with scatter/gather bug;
The BusLogic now supports command 0x20 (RESET);
Fixed the GPIO register mapping on the National Semiconductors PC87306 Super I/O chip.
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.
Added experimental NVidia Riva TNT2 emulation (patch from MoochMcGee);
ASUS P/I-P54TP4XE, ASUS P/I-P55T2P4, and ASUS P/I-P55TVP4 are back;
National Semiconductor PC87306 Super I/O chip now correctly reenables devices after a chip power cycle;
Several FDC improvements and the behavior is now a bit closer to real hardware (based on actual tests);
Added MR Intel Advanced/ATX with Microid Research BIOS with support for 4 floppy drives and up to 4 IDE controllers;
Added floppy drives 3 and 4, bringing the maximum to 4;
You can now connect hard disks to the tertiary IDE controller;
Correct undocumented behavior of the LEA instruction with register is back on 286 and later CPU's;
Pentium-rea models with Intel chipsets now have port 92 (with alternate reset and alternate A20 toggle);
Overhauled DMA channel read and write routines and fixed cascading;
Improved IMG detection of a bad BPB (or complete lack of a BPB);
Added preliminary emulation of PS/2 1.44 MB and PC-98 1.25 MB 3-mode drives (both have an inverted DENSEL pin);
Removed the incorrect Amstrad mouse patch from TheCollector1995;
Fixed ATAPI CD-ROM disk change detection;
Windows IOCTL CD-ROM handler now tries to use direct SCSI passthrough for more things, including obtaining CD-ROM capacity;
The Diamond Stealth32 (ET4000/W32p) now also works correctly on the two Award SiS 496/497 boxes;
The (S)VGA handler now converts 6-bit RAMDAC RGB channels to standard 8-bit RGB using a lookup table generated at emulator start, calculated using the correct intensity conversion method and treating intensity 64 as equivalent to 63;
Moved a few options from the Configuration dialog box to the menu;
SIO, PIIX, and PIIX3 now have the reset control register on port CF9 as they should;
Several bugfixes.
FDI stream images are now also handled by the 86F handler;
Both floppy drives' motors now spin separately;
Added Plantronics ColorPlus emulation per patch from PCem forum;
Applied all mainline PCem commits;
Fixed several bugs.
Replaced IMG handler with one that now proxies to the 86F handler;
Applies the remaining Mainline PCem speedup commit;
Fixed the National Semiconductors PC87306 Super I/O Chip's serial port IRQ assignment;
DMF images are now loaded with the correct sector interleave, improving read/write speed;
XDF images are now loaded in a way that emulates the real order of the sectors on the track, improving read/write speed;
Added 16-bit physical memory read/write routines (mem_phys_readw, mem_phys_writew) and modified the 16-bit DMA code to use them instead of two 8-bit reads/writes.
Fixed behavior of the FDC RECALIBRATE command for FDC's on certain Super I/O chips;
Several 86F-related fixes;
Added the Intel Advanced/ML (430HX, Socket 7, currently with non-working Flash) and Intel Advanced/ATX (430FX, Socket 7, works perfectly) motherboards;
Fixed handling of DENSEL when the FDC is in National Semiconductors PC87306 mode;
Brought 440FX initialization PCI parameters in line with Bochs;
Brought PIIX3 initialization PCI parameters in line with QEMU.
