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93 Commits

Author SHA1 Message Date
OBattler
dd4e493f64 Applied the fix to the optional 486 implementation as well. 2025-03-17 00:07:41 +01:00
Cacodemon345
6bb2b447fd Revert "x87: Fix Final Reality discolored screen for all dynarecs" 
This reverts commit 03dd94f361.
 2025-02-28 16:51:33 +06:00
Cacodemon345
0bb89be0ad Revert "Fix compile on ARM64" 
This reverts commit c7153916eb.
 2025-02-28 16:51:13 +06:00
Cacodemon345
c7153916eb Fix compile on ARM64 2025-02-27 14:40:54 +06:00
Cacodemon345
03dd94f361 x87: Fix Final Reality discolored screen for all dynarecs 2025-02-27 13:50:45 +06:00
Jasmine Iwanek
5f273265ae Assorted warning fixes 2025-02-02 03:24:50 -05:00
OBattler
40fd79aeb9 FPU: Properly implement INT 10h FPU exception, fixes #5162. 2025-01-19 09:06:39 +01:00
OBattler
a94a5bb0b5 Improved the Linux new dynamic recompiler freeze workaround per patch by Dax. 2025-01-16 05:48:37 +01:00
OBattler
fbafb7507b Dynamic recompiler: Only disable inline if not on Windows or MacOS. 2025-01-16 01:14:23 +01:00
greblosdier
2f5940fee3 Update 386_dynarec.c 
Changed exec386_dynarec_dyn from inline to noinline to resolve NEW_DYNAREC build issue on Linux x86_64.
 2025-01-15 12:57:51 -08:00
OBattler
f19a5447be Improved the SCO Xenix fix, fixes OS/2 booting, fixes #4762. 2024-08-29 01:26:32 +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
OBattler
a369bc2d05 Reimplement S3 ViRGE reset and move PCI TRC CPU reset to outside the recompiled block, fixes #2903. 2024-06-12 20:46:27 +02:00
OBattler
969830ad83 New recompiler: Add a sanity check, fixes crash with RapidCAD, fixes #4487 . 2024-06-12 01:58:44 +02:00
OBattler
2273f563a5 Moved the offending SoftFloat-related stuff to x87_sf.h, fixes warnings. 2024-06-10 00:08:48 +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
cd03b6a31c Packard Bell machines: PS/2 mouse commands now suspend dynamic recompilation until the response byte is read, fixes #552. 2024-01-25 21:47:15 +01:00
Cacodemon345
a13a8efb39 Implement TSS debug trap bit 2024-01-14 04:04:04 +06:00
Jasmine Iwanek
f6a5229a98 Future support for higher clocked CPU's 2023-10-13 17:55:18 -04:00
OBattler
1d48363803 The 286/386 interpreter now has its own variant of x86seg.c. 2023-08-21 02:56:33 +02:00
OBattler
6c4a4be6be Timer clean-ups. 2023-08-19 05:26:49 +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
cold-brewed
3795016a82 Clean up some clang warnings on macOS 2023-08-09 07:37:45 -04:00
OBattler
b1c5cbaf47 Split the 286/386 interpreter away from the 486+ one (the 286/386 interpreter does not use the pccache's, readlookup's, and writelookup's as the emulated CPU's are too slow for them to be required, and also has more accurate FPU timings), also added a LPT status read function for future-proofing. 2023-08-08 19:39:52 +02:00
Jasmine Iwanek
922c4335ae Next round of sonarlint cleanups 2023-06-27 21:17:13 -04:00
OBattler
c76e8ff06c Replaced the codegen_ops_NULL table references with NULL pointers, as it has the same effect without requiring an extra table of opcodes, also made the new recompiler clear codegen_flags_changed after every interpreted instruction to prevent conditional jumps from occasionally taking the wrong turn (fixes CL-GD 54x6 driver glitches in 24bpp mode on Windows 98 SE), and added instruction length heuristics on fetching the instruction, fixes Jane's US Navy Fighters. 2023-06-09 14:55:13 +02:00
Jasmine Iwanek
83b220cb03 clang format in cpu 2022-11-19 11:53:09 -05:00
OBattler
27ebb27db7 Makefile.mingw corrections and made the code pass much stricter checks (now mandated by Makefile.mignw) to ensure GCC 14 readiness. 2022-11-17 22:44:06 +01:00
OBattler
535b19a027 Do not raise CPU trap if an exception has occurred, fixes #2577. 2022-10-28 04:12:31 +02:00
Cacodemon345
c743d36028 386: Set BS flag in DR6 other interpreter as well 2022-08-04 18:04:40 +06:00
OBattler
da5d451386 Preparation for SMI# and NMI# changes. 2022-07-16 02:45:46 +02:00
OBattler
1f144f1885 Fixed some #define's, as pointed out by lemondrops. 2022-04-13 02:47:37 +02:00
OBattler
3a40d9a807 Phase 1. 2022-04-13 02:03:48 +02:00
RichardG867
f57cbe36b1 GDB Stub: More progress 2022-03-16 00:33:01 -03:00
Jasmine Iwanek
4674756664 More newline and whitespace cleanups 2022-02-20 16:26:40 -05:00
OBattler
b3a8d0aaed And more. 2022-02-02 02:51:18 +01:00
OBattler
25e8801ede And more. 2022-02-02 02:46:11 +01:00
OBattler
b92d45125e Temporarily reverted that FPU clock cycles change. 2022-02-01 19:07:22 +01:00
linear cannon
04c89959f8 adjust CLOCK_CYCLES and related macros to handle fpu/iu concurrency 
add CLOCK_CYCLES_FPU, which does exactly what CLOCK_CYCLES already did.

add CONCURRENCY_CYCLES, which sets fpu_cycles, which is the number of
available concurrent execution cycles that the integer unit can do
"free" work in while the fpu is executing.

adjust CLOCK_CYCLES so that if there are fpu_cycles, the cycle count is
subtracted from fpu_cycles instead of cycles, emulating the behavior of
these concurrent cycles being "free" as on real hardware.
 2022-01-29 07:38:41 -08:00
OBattler
bc90f99350 Finally got rid of the AT and PCI global variables. 2021-12-19 20:00:27 +01:00
OBattler
4bf3c88a26 Reverted the peformance "improving" CPU change. 2021-09-05 23:59:52 +02:00
OBattler
ead818c5bd Disabled 286/386 prefetch queue timings emulation on 486+, improves performance. 2021-09-05 23:20:58 +02:00
OBattler
85a9aa4904 Merge branch 'master' of https://github.com/86Box/86Box 2021-09-03 19:24:01 +02:00
OBattler
136c136608 Ported some more Apple-related fixes from PCem. 2021-09-03 19:23:50 +02:00
Daniel Gurney
bd1117a13f Add missing include for arm64 macOS 2021-09-03 19:58:08 +03:00
OBattler
586066d891 Made NMI's always auto-clear, will revert if it makes things worse. 2021-09-02 15:24:17 +02:00
OBattler
ddc7c5b78a Reorganized some CPU structures a bit and fixed inappropriate behavior of some mem.c functions on 64-bit binaries (and made mem.c aware of ARM64 as well), fixes both 64-bit recompilers, closes #1215. 2021-08-27 13:31:47 +02:00
OBattler
c370ae7e18 CPU and MMU cleanups and fixes, and non-Debug builds are now stripped again. 2021-04-10 07:18:47 +02:00
OBattler
b83a32ccf8 Improved STI fix. 2020-11-21 04:02:58 +01:00