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Commit Graph

40 Commits

Author SHA1 Message Date
OBattler
fb3b46f648 Unbroke SCO Xenix on the 286/386 interpreter, this will do until the prefetch queue is finally implemented. 2024-08-29 01:57:22 +02:00
OBattler
7c7cc921ee Non-808x interpreters: fetch the next instruction after a CR0 paging bit toggle with the old CR0 paging bit value, fixes SCO Unix. 2024-08-27 02:34:59 +02:00
Jasmine Iwanek
bda8fe7b9b Compile fix for cpu/x86.c logging 2024-08-07 01:07:49 -04:00
OBattler
95894198bf Genoa Unknown 486: Reset BIOS memory state on soft reset, fixes hangs on soft reset after saving CMOS Setup. 2024-07-22 18:26:10 +02:00
Alexander Babikov
a07ffdecab Restore the debug register operation on 486+ 
But put it behind a compile-time option due to performance hits
Also add the DE flag to CPUID on supported CPUs
 2024-05-24 03:35:08 +05:00
OBattler
6de7c7cd5e Fixed LOCK legality with prefixes, closes #4189. 2024-02-23 07:10:15 +01:00
OBattler
3f8952a558 More (S)VGA horizontal blanking fixes and CPU CR0 bit 4 fixes. 2024-02-09 18:02:33 +01:00
OBattler
5a3d74d64f 286/386 interpreter fixes - the correct opcode arrays are now used and fixed the debug registers. 2024-02-09 12:14:35 +01:00
OBattler
937e2a52f8 SiS 5571, Daewoo Compaq, speed up AT / PS/2 KBC (does not appear to break anything from months of testing) and fix AT / PS/2 keyboard reset to fix the Samsung SPC7700LP-W soft reset. 2024-01-06 01:51:20 +01:00
OBattler
084fd441d3 Logging fixes in cpu/x86.c. 2023-08-25 03:49:06 +02:00
OBattler
782117dbbd Fixed some GCC pedantic warnings. 2023-08-25 02:28:51 +02:00
Alexander Babikov
ef631a8133 8514/A and XGA handling refactor: 
* separate (ibm8514|xga)_enabled into (ibm8514|xga)_standalone_enabled
  and (ibm8514|xga)_active, the former being enabled only for standalone
  8514/A or XGA cards, the latter for all 8514/A and XGA-capable cards
  and not saved into the config file;
* remove (ibm8514|xga)_has_vga and replace all uses of it with
  (ibm8514|xga)_standalone_enabled;
* Qt UI: the checkboxes for standalone 8514/A and XGA are now correctly
  grayed out if an (S)VGA card with 8514/A or XGA capability is selected,
  including cases when the card is an internal/onboard one; said cards are
  now no longer appear as SVGA multi-monitor compatible.
 2023-08-22 23:48:32 +05:00
OBattler
1d48363803 The 286/386 interpreter now has its own variant of x86seg.c. 2023-08-21 02:56:33 +02:00
Jasmine Iwanek
5cd18f3fbb Clang-formatting in src/cpu 2023-08-11 19:11:37 -04:00
Jasmine Iwanek
be79ea78c7 sonarlinting and formatting in src/cpu 2023-08-11 19:11:32 -04:00
OBattler
19d155cdd7 Keyboard controller file split and assorted clean-ups and fixes 2023-04-19 23:34:32 +02:00
OBattler
4eb902d853 More keyboard controller fixes. 2023-04-09 19:44:15 +02:00
Jasmine Iwanek
83b220cb03 clang format in cpu 2022-11-19 11:53:09 -05:00
Jasmine Iwanek
bd75bc141a Header cleanups 
Tabs to spaces
Consistency
 2022-11-13 21:15:47 -05:00
OBattler
645c4e6902 ALi M6117-related CPU fixes. 2022-07-18 23:38:06 +02:00
TC1995
63b4209414 And finally, more fixes to the XGA implementation including: 
Cursor and mapping on Windows 2.x' 286/808x XGA driver.
Pattern and DMA bus master fixes to OS/2 2.x/Warp's XGA driver.
Software reset no longer causes glitches to the screen using XGA (x86.c)
 2022-06-27 17:01:02 +02:00
TC1995
1ac46d792f Fixed the 8514/A to VGA soft reset and made the vga_on variable a global one to make sure it's used by the soft reset. 
Updated copyright holder that was accidentally reverted while committing the IBM 8514/A source files.
 2022-05-19 20:07:06 +02:00
Jasmine Iwanek
4674756664 More newline and whitespace cleanups 2022-02-20 16:26:40 -05:00
OBattler
bc90f99350 Finally got rid of the AT and PCI global variables. 2021-12-19 20:00:27 +01:00
OBattler
9ec4fd3bdd Fixed a CPU reset mess. 2021-12-19 19:14:21 +01:00
OBattler
1c2d1e702b Assorted changes and bugfixes and added the two IMS 8848 machines. 2021-10-09 17:37:09 +02:00
OBattler
5ad606a8f2 UMC HB4 shadow RAM overhaul and SMRAM fixes, slight changes to SiS 85c4xx, a fix for SiS 85c50x, fixed SMBASE on 486 (it should *NOT* zero the most significant 8 bits!), various improvements to mem.c (eg. mem_invalidate_range() is now faster), fixed resetting PCI on soft reset, and made the KBC soft reset again. 2021-09-25 15:30:06 +02:00
OBattler
b8a2fdfd0a KBC reset is now hard reset. 2021-09-17 02:55:43 +02:00
OBattler
80b75ee433 CPU changes. 2021-08-09 09:58:01 +02:00
OBattler
4f6df76f10 Revert "Revert "Merge branch 'feature/machine_and_kb' into master"" 
This reverts commit f2cd3756dd.
 2021-07-04 17:40:39 +02:00
Daniel Gurney
f2cd3756dd Revert "Merge branch 'feature/machine_and_kb' into master" 
This reverts commit 6604a29d7e, reversing
changes made to 1d7fca0abd.
 2021-07-04 18:22:52 +03:00
OBattler
fd4817a87b All the current WIP work (warning: the PIT is currently using some temporary test rewrite that is going to be undone). 2021-06-29 19:11:19 +02:00
OBattler
166f64d422 Some CPU fixes, should fix compiling. 2021-06-07 00:06:17 +02:00
OBattler
e7a859adc5 More fixes - the Goldstar machine now fully works. 2021-04-27 04:10:59 +02:00
nerd73
5e89a9d775 fix more compile issues 2021-04-15 23:34:53 -06:00
nerd73
791bae3560 Add the AMD Am486DXL and DXL2. 
Has otherwise Intel-compatible SMM with an SMBase at 60000h.
 2021-04-15 23:28:07 -06:00
nerd73
8e3b09f323 Various 486 improvements 
- Added SL-Enhanced versions of Intel 486 CPUs and Enhanced AMD Am486DX2/DX4 CPUs
- Cleaned up the 486 CPU types and updated intel_4x0.c to reflect this
- Fixed some incorrect EDX reset and CPUID values
- Blacklisted non-SMM capable 486 CPUs on the Soyo 4SA2 motherboard
- Merged the non-OverDrive and OverDrive Intel DX4s because of further research confirming them to be functionally identical
- Removed SMM support on early 486 CPUs
 2021-04-15 21:38:03 -06:00
OBattler
8b6f9707d5 More CPU fixes, and SMM now implemented on Cyrix Cx486 and Cx5x86 CPU's as well as on Intel/AMI SX, DX, and SX2 CPU's. 2021-04-11 07:25:08 +02:00
OBattler
8175289c9d Am486 SMBASE is now correctly initialized to 30000, 60000 is for the Am486DXL and Am486DXL2, which we do not emulate. 2021-04-10 22:22:19 +02:00
OBattler
5990663881 Keyboard reset fixes and the two files I forgot in the previous commit. 2021-04-10 07:22:49 +02:00