Retro/pcem
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102 commits 3 branches 0 tags 5.5 MiB
Commit graph pcem/src
Author SHA1 Message Date
TomW
8c8d70c3cf S3 changes : 
Altered endianness of multi-word image transfers - fixes icons on Windows NT
Current position registers now updated at the end of commands - fixes some drawing issues on Windows NT
Hack to reset indicator of which half of colour registers will be accessed - fixed intermittent 32-bit colour issues
 2014-05-03 13:39:03 +01:00
TomW
b22dc91f67 Fixed inverted vertical axis on Amstrad mouse. 2014-04-28 21:01:38 +01:00
TomW
81e24b9cb5 Register operands on BOUND/LEA/LDS/LES/LFS/LGS/LSS now cause invalid opcode faults. Fixes NTVDM. 2014-04-27 11:40:03 +01:00
TomW
876db9f38c Cancel IDE callback on early IDE reset. 2014-04-18 11:54:52 +01:00
TomW
491a885ab2 Slowed down serial transfer - fixes mouse on OS/2. 2014-04-09 20:32:54 +01:00
TomW
1493306d5e Restore correct ESP value on fault during IRET - fixes issues in at least Windows NT 3.51, NT 4.0, OS/2 2.0, OS/2 Warp. Thanks to SA1988. 
Hack to mirror IDE register writes to both drives, fixes IDE issues on NT.
Fixed occasional PCem crash when accessing a faulting page, fixes crash in OS/2 2.0.
 2014-04-09 19:55:14 +01:00
TomW
06c003f3d4 Return sane values for absolute & relative addresses in CD-ROM Get Subchannel command. Fixes display in Windows 9x CD player. 2014-04-08 20:45:09 +01:00
TomW
7bfadae7f2 Fixed trap handling. 2014-03-29 17:35:50 +00:00
TomW
b4bea10c06 Set transmitter shift register empty bit in serial LSR. Windows 3.1 no longer hangs when DOS mouse driver loaded. 2014-03-29 15:17:23 +00:00
TomW
e737d2fa45 Loading a segment register in real mode no longer clears USE32. 
CR3 no longer masks values written to it.
Real mode interrupts now take IDT base into account.
Fixes 'huge unreal' mode (flat assembler).
 2014-03-29 14:28:13 +00:00
TomW
2610c6c230 Added 32-bit command registers for S3 864/Trio64. 2014-03-26 22:14:13 +00:00
TomW
62eff69ab4 Marked RAM areas as 'internal only'. Fixed bugs in mem_mapping_recalc(). 
Should no longer cause problems when peripherals map over main memory (Trio64).
 2014-03-26 21:52:53 +00:00
TomW
cb5f14349d Added ability to eject hard drive. 
ALT no longer opens menus when mouse captured or in fullscreen mode.
Patches from HalfMinute.
 2014-03-24 19:15:11 +00:00
TomW
0a1c4dcdf0 Fixed dirty screen updating in high resolution modes. 2014-03-22 19:10:00 +00:00
TomW
43d7050c9c Fixed vblankstart on Mach64, ET4000/W32p and ViRGE. 
Implemented clock generation on ViRGE.
 2014-03-22 17:04:25 +00:00
TomW
f51d8bead4 Fixed vblank start on S3 864/Trio64 - fixes 1280x1024. 2014-03-22 15:37:36 +00:00
TomW
92c45591c7 ViRGE: Preliminary stream processor emulation - enough to fix double buffering in DirectX. 
Implemented transparent blit mode with colour sources.
Implemented old style MMIO.
 2014-03-20 16:33:31 +00:00
TomW
2ca4ead570 Implemented preliminary S3 ViRGE 2D blitter emulation. 
Misc ViRGE fixes.
Changes to memory mapping.
Changes to PCI handling.
Disabled 'AMI WinBIOS 486 PCI' due to incomplete chipset emulation.
Invalid GUS register reads no longer kill the emulator.
 2014-03-20 14:03:55 +00:00
TomW
4c4b3df51f SVGA now handles vblank start < vertical total. Fixes The Incredible Machine. 2014-03-09 11:24:58 +00:00
TomW
778c8f5fee Fixed PC when faulting on INT3. Screamtracker now works with EMM386 loaded. 2014-03-08 16:49:29 +00:00
TomW
f48b0cf7b8 PIC fixes. OAKCDROM.SYS works again. 2014-03-08 15:10:55 +00:00
TomW
536b95576b SB16 input and output share the same sampling rate. Fixes Fast Tracker 2. 2014-03-06 18:01:11 +00:00
TomW
f030e72816 Fixed VGA character set selection (bad documentation). Fixes Impulse Tracker. 2014-03-05 19:51:23 +00:00
TomW
cb4d1ad67d Fixed MIX bug on S3. 2014-03-04 21:34:27 +00:00
TomW
8252a0c066 Set FIFO empty flag on S3 graphics cards. 2014-03-04 19:48:38 +00:00
TomW
f02d507962 Implement cascade interrupt correctly. Fixes crashes in Civilization. 
Re-add 0x82 opcode (same as 0x80).
 2014-02-27 22:12:57 +00:00
TomW
32868c1ce0 Added missing support for 1.2MB discs. 2014-02-27 19:53:54 +00:00
TomW
78f2d4a229 Switched to OPL emulation to DOSBox dbopl emulator. 
Fixed SB Pro v2.
Clarified GPL license in readme.txt.
 2014-02-27 19:42:06 +00:00
TomW
31bc0ef789 Middle button now releases mouse. Based on patch from HalfMinute. 2014-02-11 19:44:32 +00:00
TomW
d69f638a59 Fixed ROM count - 430VX is listed again. 2014-02-09 08:54:48 +00:00
TomW
f18f10574a Preliminary PCjr emulation. 
Improvements to PIT and serial emulation.
 2014-01-12 11:37:09 +00:00
TomW
f8575b7b97 Fixed false detection of IBM XT ROMs. 2014-01-03 20:48:12 +00:00
TomW
aff104977d Updated version number to v8.1. Updated documentation for bugfix release. 2014-01-03 17:53:16 +00:00
TomW
61d987e4f2 Fixed handshaking in XT & Amstrad keyboards - no more stuck keys. 2014-01-03 16:16:23 +00:00
TomW
409f9f42b3 IBM XT BIOS switched from 01/10/86 version to 11/08/82. 2014-01-03 15:26:54 +00:00
TomW
b9da18252c Removed erroneous free in tandy_close. 2014-01-02 16:58:32 +00:00
TomW
b1b59f0069 Memory configuration changed from drop-down list to up/down control. 2014-01-01 21:09:30 +00:00
TomW
fce6ba5ea8 Implemented DMA controller disable, PC2086/3086 self test works properly. 2013-12-29 16:05:24 +00:00
TomW
c05d6693b6 Fixed ROM autoselection. 
Video card menu now only lists cards for which ROMs are present again.
 2013-12-29 15:33:29 +00:00
TomW
3116b7078b Disable memory dumps on release builds 2013-12-21 20:22:50 +00:00
TomW
8cc1da7f3e Updated version number to v8. 2013-12-21 09:55:49 +00:00
TomW
2c54a1701b Video card menu now enabled/disabled correctly when configuration window opened. 2013-12-21 08:01:31 +00:00
TomW
f715f9a034 Fixed memory corruption bug when using PC1640. 2013-12-20 22:49:39 +00:00
TomW
677d47a109 CGA, Hercules, MDA and PC1512 video read/writes now represented in status window. 2013-12-20 22:24:15 +00:00
TomW
d83683c6db Fixed stupid bug in DMA length handling - should fix sound clicking on some games. 2013-12-19 18:17:37 +00:00
TomW
8ccd4544ec Disabled more debug. 2013-12-18 21:40:58 +00:00
TomW
b280b9929c Mach64: Added colour compare, X/Y destination tiling, MMIO RAMDAC access. 2013-12-15 21:30:23 +00:00
TomW
6c631adc7e Added quick hack to FCOMPP to fix 80387 detection. Quake (and presumably some other stuff) works in Windows again. 2013-12-15 15:41:29 +00:00
TomW
74793aaf99 Mach64 now disables VGA data processing on LFB writes. Windows 9x DOS boxes now rendered correctly. 2013-12-15 14:29:52 +00:00
TomW
7671f1e90d FPU opcode 0xd9 0xd8-0xdf are aliases for FSTP1. Doom v1.0 now works when FPU enabled. 
Fixed TAG manipulation on several instructions.
 2013-12-14 11:31:37 +00:00