The settings dialog now keeps track of MFM/XTIDE/ESDI/IDE channels and SCSI ID's and LUN's;
The IBM PS/2 Model 50 now installs a Model 80-style memory expansion card (MCA ID FCFF) when more than 2 MB RAM is selected, and now supports a maximum of 10 MB RAM.
Merged floppy.c and fdd.c and renamed floppy_*.c (the floppy image format handlers) to fdd_*.c;
Reading the AT or PS/2 keyboard controller status no longer clears the transmit timeout bit, fixes error 8601 (mouse error) on the IBM PS/2 Model 80;
MMU translate and DMA physical reads and writes now go through _mem_exec instead of directly to ram[], should fix the last remaining problems with remapped mappings;
Implemented the Sound gain dialog;
Added the resource for the "New floppy image" dialog and the needed functions for the functionality of exporting the currently mounted floppy image as 86F, both of which should be finished in the next commit;
Applied the CD-ROM fixes from the PCem commit;
Added the "Keep ratio" option for full screen stretch.
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.
The IBM PS/2 Model 486 now uses its own rom set ID;
The AHA-154x and Buslogic SCSI controllers no longer stop scanning for mailboxes when in aggressive round robin mode;
PIC interrupt processing fixes - no more IRQ-caused triple faults in Windows 98 SE.
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.
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.
SCSI controller is now reset on x86 soft reset, fixes DOS driver hangs after soft reset;
SCSI controller reset control is now implemented more accurately, on a 50 ms timer;
For the PS/1 Model 2011, the Keyboard Input Port bit 6 now correctly reports if the currently selected (in FDC DOR) floppy drive is 3.5" or 5.25";
Commented out excess DMA logging;
Added support for FDF floppy images;
Fixed handling of CDB allocated length field for the CD-ROM INQUIRY command;
(S)VGA port 03C1 write is back again (it was incorrectly gone in some builds);
Commented out Compaq/Paradise VGA;
PS/1 Model 2121+ISA now correctly allows selecting graphics card.
Fixed DMA emulation, fixes Olivetti M24;
(S)VGA emulation for PS/1 and PS/2 machines now uses the old, less accurate sense switches, fixes display error on POST;
Bit 2 of the AT keyboard input port is now always held active, fixes PS/2 mouse on PS/1 and PS/2 machines;
Fixed mouse type selection on non-AT boards;
Fixed RAM type selection;
The entire palette is now overwritten when a monochrome monitor type is selected, fixes graphics mode on Hercules;
Applied updated SCAT emulation patch from PCem forum;
Nvidia Riva and S3 Virge IRQ is now configurable;
Properly applied the mainline PCem commit that fixed the Bahamas64 on the Intel AMI BIOS boards;
Commented out the Diamond Stealth 64 and the Miro Crystal S3 Vision 964 due to their non-working state;
Changed version to 1.06.
The port 92 handler in mem.c now flushes MMU cache when toggling the A20 gate;
Added ability to reload previous disc after ejecting it;
Fixed the START/STOP UNIT command for both SCSI and ATAPI;
Applied mainline PCem commit: All XT models can now use 64kb RAM. Patch from ecksemmess .
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.