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86b9ccc8f9c85f2712e7121872b0fb4dfe105ae6
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190 Commits

Author SHA1 Message Date
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
b0542322bf Fixed DRB DIMM splitting (AMI Apollo now boots with 8 MB RAM), and extended the MB500N workaround to MR BIOS'es as well. 2024-05-09 00:47:45 +02:00
OBattler
15e3876e21 Prepare WD76C10 for 286/386 interpreter selection, exempt IBM 486BL and all Cyrix'es from the 286/386 interpreter. 2024-04-24 06:06:09 +02:00
OBattler
2ab99dda0b Made LOCK instruction legality more accurate on 386, closes #4132. 2024-02-10 03:05:56 +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
0a5d25fdde Memory: Disable _mem_exec in phys() accesses when not using the 486+ interpreter or dynamic recompiler, and write protect support in preparation for the WD76C10 rewrite. 2024-02-02 05:25:40 +01:00
OBattler
13330322b4 Interim mem.c/h code and a slight optimization to do_mmutranslate(). 2024-01-24 05:56:50 +01:00
OBattler
485e73d4da Added the Gateway Tomahawk (430TX machine). 2024-01-21 01:55:05 +01:00
OBattler
f2971a132f Disable the debug registers on 486+. 2024-01-14 21:47:52 +01:00
Cacodemon345
ea5729c802 Revert "Add more missing memory checking" 
This reverts commit 2eb39a8c5c.

Likely unneeded
 2024-01-15 02:07:13 +06:00
Cacodemon345
2eb39a8c5c Add more missing memory checking 2024-01-15 01:19:21 +06:00
Cacodemon345
911deeab1a Fix single-step trap flag setting 2024-01-15 01:09:52 +06:00
Cacodemon345
c3fa0fc18b Also account for data address breakpoints 2024-01-14 21:32:43 +06:00
Cacodemon345
f4f252c0b7 Implement x86 debug registers 2024-01-14 15:26:40 +06:00
RichardG867
313bf84b04 i2c_eeprom: Random cleanups 2023-12-18 15:42:24 -03:00
OBattler
c9b092be3e Fixed accidentally swapped conditions in mem/spd.c, fixes RAM detection on 686 boards. 2023-11-02 05:53:05 +01:00
OBattler
88934ab0ca IDE fixes and finished the SiS 5511. 2023-10-20 02:57:50 +02:00
OBattler
fc8edd47fa Did the same in mem/mmu_2386.c. 2023-10-07 22:55:44 +02:00
Jasmine Iwanek
ef41b7c3bf More linting in src/mem 2023-08-22 23:54:07 -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
565421a252 Serial receive/transmit rework (uses the new fifo.c API) and a small GDB stub fix. 2023-08-18 05:57:32 +02:00
OBattler
f0ab35132b Always allocate 16 more bytes of RAM to mitigate potential segmentation faults on certain accessed by the old recompilers. 2023-08-18 03:16:37 +02:00
OBattler
bf38c4adef More UI work, added Slovak and Catalan translations, and fixed mmutranslate on the 286/386, fixes #3587, #3591. 2023-08-17 02:46:37 +02:00
OBattler
e781d4905e 286/386 interpreter fixes. 2023-08-15 22:11:32 +02:00
OBattler
b203b28350 Assorted copyright header fixes. 2023-08-14 21:51:47 +02:00
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
16714b399b Fix another mistake I made in row.c 2023-08-04 11:09:26 -04:00
Jasmine Iwanek
998cfe5cc8 Constification 2023-07-25 17:59:24 -04:00
Jasmine Iwanek
ee695e71f9 More sonarlint work 2023-07-25 17:59:22 -04:00
OBattler
da98030f80 Part 6. 2023-07-12 00:40:51 +02:00
OBattler
b2d7dd6f9c Part 5. 2023-07-12 00:38:22 +02:00
OBattler
22d84443a8 DRAM row implementation, part 1. 2023-07-12 00:15:43 +02:00
Jasmine Iwanek
1116aadb6f Another round of sonarlint work 2023-07-04 10:53:44 -04:00
OBattler
feece51403 Fixed low BIOS mapping so it maps correctly with a 512k or biggeer BIOS as well. 2023-07-03 02:34:54 +02:00
Jasmine Iwanek
922c4335ae Next round of sonarlint cleanups 2023-06-27 21:17:13 -04:00
OBattler
2fe3bcd5d2 Do the wraparounds properly on 64-bit binaries, fixes #3421. 2023-06-25 22:20:11 +02:00
OBattler
e4d860c025 Replaced calls to flushmmucache_cr3() to direct calls to flushmmucache_nopc() and removed the #define. 2023-06-11 22:12:18 +02:00
OBattler
f4c59e907d Removed mmu_invalidate(). 2023-06-11 22:07:32 +02:00
OBattler
cf8a2aa50a Added a sanity check to mem_invalidate_range() when compiled with the new recompiler, fixes segmentation fault on with OS/2 on IBM PS/2 Model 80. 2023-06-10 19:24:44 +02:00
Jasmine Iwanek
ce451a2bf4 More fixes for sonarcloud findings 2023-05-28 21:02:17 -04:00
Jasmine Iwanek
6c1e4a8e2c Some code smell fixes from sonarlint 2023-05-15 19:25:56 -04:00
OBattler
69f76176fe Removed unncessary files. 2023-05-07 03:30:42 +02:00
OBattler
ecb8091d41 Fixed Cacodemon345's OHCI mess and implemented proper OHCI IRQ updating, fixes the Gigabyte GA-5AX POST. 2023-05-07 02:53:04 +02:00
OBattler
5d9de974ee More keyboard controller clean-ups and fixes to mem/mem.c and port_92.c - OS/2 1.3 now works on IBM PS/2 MCA machines. 2023-04-22 03:48:50 +02:00
RichardG867
321d33f626 Merge branch 'master' of ssh://github.com/86Box/86Box 2023-04-11 20:19:38 -03:00
OBattler
ef17003f1b Fixed the "minor bug fix" in the AT / PS/2 keyboard controller, reworked PS/2 keyboard controller IRQ latches, and correctly disabled memory top remaps if there's more than (16 MB - remap size) RAM (fixes segmentation faults on some machines with 16+ MB of RAM). 2023-04-11 23:21:52 +02:00
RichardG867
d6d509ff45 mem: Fix RAM size integer overflow with a not-yet-supported size 2023-04-11 12:04:07 -03:00
RichardG867
7c2ec22e49 mem: Add memory map logging 2023-04-11 12:02:38 -03:00
OBattler
4eb902d853 More keyboard controller fixes. 2023-04-09 19:44:15 +02:00
Jasmine Iwanek
e2d545eeb7 Add many more flash rom options 2023-02-03 01:11:17 -05:00