Retro/pcem
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Author SHA1 Message Date
SarahW
696f25a8a4 Fixed OPL3 percussion mode. 2016-05-19 21:18:00 +01:00
SarahW
02153343ab Fixed clamping issue with RGB iterator in Voodoo code generation. Fixes artifacts in Alien vs Predator. 2016-05-18 20:08:13 +01:00
SarahW
abf975e2af x86-64 recompiler now saves/restores correct registers on entry/exit of code block. 2016-05-18 20:06:28 +01:00
SarahW
4024be8e52 ViRGE 2D blitter wraps X coordinates at 11 bits. Fixes missing text with some Windows drivers. 2016-05-15 21:09:26 +01:00
SarahW
693d6fe757 Removed incomplete ATAPI Get Configuration command, Windows XP setup now works again. 2016-05-15 19:54:56 +01:00
SarahW
ffb1a46fc1 Brought Linux GUI up to date. 2016-05-15 11:58:58 +01:00
SarahW
512c8e5d44 Winchip FPU timings now more accurate. 2016-05-14 19:36:40 +01:00
SarahW
2909742567 Re-wrote broken codeblock_tree_delete() function. 2016-05-12 21:21:49 +01:00
SarahW
75ed8c9641 ViRGE fixes : 
- Create 2D FIFO thread and events on ViRGE 325 as well as DX - fixes crash when blitter first used
- Wake 2D FIFO thread when writing to empty/nearly empty FIFO - fixes ViRGE 325 Windows 95 drivers
- Read status register on byte access - fixes ViRGE 325 Windows 95 drivers
 2016-05-10 21:07:13 +01:00
SarahW
5da7de098e Tweaks to PC speaker code - fixes sound in Castle Wolfenstein. 2016-05-09 20:11:03 +01:00
SarahW
a93df8e16b Fixed Mach64 linear source mode - fixes text in Corel Linux in 8-bit colour. 2016-05-08 21:52:57 +01:00
SarahW
b39eb20237 Mach64 fixes : 
- Added support for 8-bit RAMDAC mode
- Added ABGR8888 mode
- Add support for mono blitter source
- Identify RAMDAC type correctly
- Use correct colours for hardware cursor
Fixes issues in Corel Linux.
 2016-05-08 20:41:51 +01:00
SarahW
a151e90aeb x86 recompiler now saves/restores correct registers on entry/exit of code block. 2016-05-07 15:34:08 +01:00
SarahW
3597ae1873 If POP SS causes a fault then don't run the following instruction. Fixes Virtual Pool. 2016-05-05 19:24:18 +01:00
SarahW
6ac7faf14f Correct FDI head count. 2016-05-04 20:51:51 +01:00
SarahW
52636936e9 Limited how long REP instructions are uninterruptable for, improves sound on games/demos that use high-frequency timer interrupts for sound output (eg Crystal Dream, Cronologia) 2016-05-03 21:31:05 +01:00
SarahW
27545dbd62 Sound Blaster Write Buffer Status register now set to full on data write and cleared after a short wait - sound in Crystal Dream no longer cuts off after the first few seconds. 2016-05-03 21:29:33 +01:00
SarahW
57e2a4d678 Added PIC auto-EOI mode - Crystal Dream now runs 2016-05-03 21:27:35 +01:00
SarahW
0724cfcae4 Add emulation of IBM PS/1 Model 2121. 
As part of this :
- FDC Specify command now completes immediately
- Implemented keyboard system flag status
- Added ability to remap 384kb reserved memory to above extended memory
 2016-05-02 20:06:49 +01:00
SarahW
f6a4c54741 Floppy drive type defaults to sensible value. 2016-05-01 12:27:26 +01:00
SarahW
d83249648f Limited PS/1 to 10 MHz. 2016-05-01 12:24:08 +01:00
SarahW
db9ea69a32 Move Trident TGUI9440 blitter to seperate thread. 2016-05-01 11:32:48 +01:00
SarahW
2d74bd563d Move ET4000/W32p blitter to seperate thread. 2016-04-30 12:45:37 +01:00
SarahW
dad8eeaf2e Tweaked 6x86 timings. 2016-04-30 10:26:06 +01:00
SarahW
97d77e73c2 Use correct Mach64 blitter host data size - fixes Windows XP Mach64 drivers. 2016-04-30 10:25:08 +01:00
SarahW
86687e68aa Move ATI Mach64 blitter to seperate thread. 2016-04-30 10:24:27 +01:00
SarahW
1e8bc05795 Move S3 Vision864/Trio32/Trio64 blitter to seperate thread. 2016-04-28 21:58:28 +01:00
SarahW
e236fb6d16 Added missing FCMOV instruction for 6x86MX. 2016-04-28 19:34:46 +01:00
SarahW
153c22e442 Cyrix 6x86 emulation. Based on patch from leilei. 
Moved MOV TRx, reg to correct opcode - required by Award 430VX BIOS with 6x86.
 2016-04-27 22:23:49 +01:00
SarahW
c81a91fd72 Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%). 2016-04-20 21:39:41 +01:00
SarahW
1fe6233d4c Fixed bug in SCAT A20 handling. Patch from Greatpsycho. 2016-04-17 15:40:44 +01:00
SarahW
9329a997cc Added Award 286 (using SCAT chipset). Patch from Greatpsycho. 2016-04-14 21:15:00 +01:00
SarahW
61d7cf2276 Added PS/1 Audio Card emulation. 2016-04-13 21:56:15 +01:00
SarahW
10739b9618 Fixed missing update function in Adlib Gold - stops looping samples when sample playback is disabled. 2016-04-12 19:47:44 +01:00
SarahW
3030325bd2 Implemented Adlib Gold mixer. 2016-04-11 21:42:43 +01:00
SarahW
60440726a9 Added Adlib Gold surround module emulation. 2016-04-10 21:01:34 +01:00
SarahW
9970f030c5 Fixed off-by-one error in Voodoo when Y coordinates are reversed. 2016-04-09 20:53:21 +01:00
SarahW
c83e9ed14e Changes to Voodoo recompiler : 
- Invalid cc_mselect values now return zero
- Fixed texture alpha in colour combiner
- Fixed typo in cca_invert_output
- Only clip alpha value if it's actually used
 2016-04-09 20:43:19 +01:00
SarahW
74786231c5 Added Voodoo depth biasing. 2016-04-08 21:40:15 +01:00
SarahW
14df80109b Added recompiler block tree to x86-64 recompiler. Fixed return value in codeblock_tree_find() that could cause GCC to generate bad code. 2016-04-08 20:49:03 +01:00
SarahW
36bb949126 If recompiler block hash table points to wrong block, then walk tree to find correct block instead of recompiling. Speedups of 10-20% on games that were seeing hash aliasing, eg Quake III, System Shock 2, UltraHLE etc 2016-04-06 20:48:36 +01:00
TomW
c9111b22a2 Updates and fixes to Linux IOCTL CD-ROM code. Based on patch from Battler 2016-04-04 15:15:08 +01:00
SarahW
11eb87b436 Implemented ATAPI audio channel select. Based on patch from Battler. 2016-04-04 11:44:40 +01:00
TomW
99df1f6d87 Adjust MSF->LBA conversion in Windows IOCTL CD-ROM code. 
Improve raw sector read in Windows IOCTL CD-ROM code.
Patch from Battler.
 2016-04-04 11:08:23 +01:00
TomW
db3519657a Windows IOCTL CD-ROM code no longer stops CD audio when reading disc size. Fixes CD audio in OS/2. 2016-03-31 21:24:01 +01:00
TomW
c00b16a44c Added IDE Verify Once command. Fixes hard disc formatting on early OS/2 versions. Patch from Battler. 2016-03-30 21:00:03 +01:00
TomW
0ecd777257 Added CTRL-ALT-DEL menu option to Allegro GUI. Patch from Greatpsycho. 2016-03-29 20:49:30 +01:00
TomW
b0dceca71a Move memory files around: *.nvr, eeprom files -> nvr/ ; mda.rom -> roms/. Patch from cooprocks123e. 2016-03-29 20:11:43 +01:00
TomW
8d90f77279 Access bit now set in selector descriptors. 2016-03-29 20:06:55 +01:00
TomW
c06d8913ce Corrected faulted selector on not present fault when JMPing to call gate pointing to not-present selector. Fixes OS/2 2.0 with some video drivers. Patch from Battler. 2016-03-24 20:21:56 +00:00