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120 Commits

Author SHA1 Message Date
OBattler
e6321d952a More V20/V30 fixes. 2022-10-26 16:45:17 +02:00
Jasmine Iwanek
51f84ce0be Merge remote-tracking branch 'upstream/master' into nec-v20 2022-10-19 16:24:10 -04:00
Jasmine Iwanek
b4673117fd Some clang-formatting in src/cpu 2022-09-20 01:00:45 -04:00
Cacodemon345
7b29c30819 Implement immediate IMUL operands (#13) 
* Implement immediate IMUL operands

Implement PUSH segment underflow behaviour on SP = 1 values for 8018x

* Limit bit-shifts and rotates to 31 on Intel 8018x

* NEC/8018x ENTER/LEAVE instructions

* NEC/8018x bound checking instruction
 2022-09-07 08:50:30 -04:00
Jasmine Iwanek
cc72ab21e8 Some missing bits 2022-09-04 17:11:14 -04:00
Cacodemon345
028cbe7b4e NEC V20/V30: Cycle count fixes (#1) 
* Correct the names of NEC V20/V30 in Settings

Make NEC V30 have correct CPU types

* Treat NEC V20 as a Intel 8088 variant
 2022-09-03 05:55:53 -04:00
Jasmine Iwanek
9eaee6e20d Merge branch '86Box:master' into nec-v20 2022-08-31 16:42:10 -04:00
Jasmine Iwanek
672c15076c Merge branch '86Box:master' into nec-v20 2022-08-21 17:07:34 -04:00
RichardG867
d41bf191a5 Merge branch 'master' of ssh://github.com/86Box/86Box 2022-08-18 17:23:47 -03:00
RichardG867
48b372c60a gdbstub: Always ignore dynarec choice when compiled in 2022-08-18 17:23:41 -03:00
Alexander Babikov
603cdcbb37 Clear unfilled registers when returning CPUID results on K6-2/III/+ CPUs 2022-08-13 15:41:00 +05:00
Jasmine Iwanek
a31612b440 Merge branch '86Box:master' into nec-v20 2022-08-02 23:47:12 -04:00
OBattler
754058e2e5 AAM and AAD instruction fixes, fixes #2551. 2022-08-01 23:40:11 +02:00
Jasmine Iwanek
b3bca26471 Merge branch 'master' into nec-v20 2022-07-24 17:20:53 -04:00
Jasmine Iwanek
c430fbe84c Assorted cleanups I've discovered over time 2022-07-21 22:08:36 -04:00
Jasmine Iwanek
5f1e64fab7 Merge branch 'master' into nec-v20 2022-07-19 20:00:03 -04:00
Jasmine Iwanek
6233027c9e Named initializers in machine table 2022-07-19 18:51:18 -04:00
OBattler
645c4e6902 ALi M6117-related CPU fixes. 2022-07-18 23:38:06 +02:00
Jasmine Iwanek
1ecbc1cd3c Fix build 2022-03-19 06:05:52 -04:00
Jasmine Iwanek
8ef1d28b2c Merge branch '86Box:master' into nec-v20 2022-03-18 15:05:25 -04:00
RichardG867
f57cbe36b1 GDB Stub: More progress 2022-03-16 00:33:01 -03:00
Jasmine Iwanek
b4d134f969 Fix errors 2022-03-13 09:02:34 -04:00
Jasmine Iwanek
6bccf983e5 Merge branch '86Box:master' into nec-v20 2022-02-20 21:08:06 -05:00
Jasmine Iwanek
4674756664 More newline and whitespace cleanups 2022-02-20 16:26:40 -05:00
Jasmine Iwanek
a349823c7d Initial proddings at NEC V20/V30 2022-01-31 13:39:06 -05:00
linear cannon
31aed306c9 x87_timings: new timings for fpu/iu concurrency 2022-01-29 07:34:58 -08:00
Alexander Babikov
ee79348885 Implement machine check exception/architecture MSRs and CPUID flags 2021-12-22 05:33:26 +05:00
Alexander Babikov
1a04b93165 Make MSR 17h read-only and return a suitable Platform ID 
Fixes some programs misidentifying Celeron Mendocinos as Slot 1 instead of Socket 370
 2021-12-22 05:30:28 +05:00
OBattler
c53613deb7 Removed excess logs from cpu.c. 2021-11-14 20:25:07 +01:00
OBattler
1c2d1e702b Assorted changes and bugfixes and added the two IMS 8848 machines. 2021-10-09 17:37:09 +02:00
OBattler
aa3a52da3c Reordered some CPU variables and rewrote codegen emitted by the old recompiler's 64-bit version of codegen_accumulate_flush() to not assume 32-bit pointers, fixes 64-bit old recompiler, closes #1615. 2021-08-26 13:53:13 +02:00
OBattler
fed369c56f AMD K6 CPU's are no longer treated as K6 for SMM purposes. 2021-08-20 17:29:12 +02:00
OBattler
f0e84f7f13 More fixes, fixes CMOS Setup on the Acrosses AR-B4179. 2021-08-09 16:10:55 +02:00
OBattler
0d5c5f361a Added a separate CPU_STPC CPU type with RDTSC, fixes the ITOX STAR. 2021-08-09 09:51:58 +02:00
OBattler
166f64d422 Some CPU fixes, should fix compiling. 2021-06-07 00:06:17 +02:00
RichardG867
62afe31757 Remove EBGA368 due to poor research (CPUs are Samuel 2 and newer only) 2021-06-03 16:26:08 -03:00
OBattler
736eb46847 Reverted the ROM read cycles back to the old (and evidently, more correct) ones. 2021-06-03 05:02:22 +02:00
OBattler
e7a859adc5 More fixes - the Goldstar machine now fully works. 2021-04-27 04:10:59 +02:00
OBattler
957b538c4a Rewrote memory access handling to properly split execute from read, bus from CPU (but the mappings will still match until otherwise specified), and fixed exec[] usage by the mem_*_phys() functions. 2021-04-22 04:27:50 +02:00
RichardG867
644ba28e18 Remove another redundant Socket 7 multiplier check 2021-04-17 16:34:04 -03:00
RichardG867
841ac25297 3.5x multiplier on Socket 5/7 should always be equivalent to 1.5x 2021-04-17 16:25:11 -03:00
nerd73
53270408ce add another am486dxl thing 2021-04-15 23:59:09 -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
27ddd856df Remove some unnecessary parentheses 2021-04-15 21:42:02 -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
9587a254bc Removed excess logging from cpu/cpu.c. 2021-04-11 07:30:01 +02:00
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
c370ae7e18 CPU and MMU cleanups and fixes, and non-Debug builds are now stripped again. 2021-04-10 07:18:47 +02:00
OBattler
1a643ab040 Reworked some memory and CPU parts to fix bugs, improve performance by getting rid of excess calls to mmutranslate(), and properly invalidate page bytes on page invalidation on new recompiler. 2021-03-24 19:52:44 +01:00
RichardG867
dfee1165ea Add custom ISA/PCI/AGP clock facility, and fix PIT clock calculation oversight for CPU clocks ending in (but not equal to) 33 and 66 MHz 2021-03-14 19:42:21 -03:00