OBattler
345a61fa7c
Removed the redundant mem_write_null* functions (the few mappings that use them, now use NULL pointers instead) and made the _phys function used by DMA not write to the exec buffer if the address has no write mapping (as in that case, it's clearly not intended to be writable), fixes #1332 .
2021-03-30 02:16:01 +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
OBattler
b9b753c9aa
Fixed the SCAMP chipset emulation and the Commodore SL386SX-25 (it was using the SL386SX-16 BIOS), added the SL386-SX16 (NEAT) and the Samsung SPC-4620P, SPC-6033P, and SPC-6000A.
2020-12-28 05:34:33 +01:00
RichardG867
29a0ce48e7
Merge branch 'master' of https://github.com/86Box/86Box
2020-12-03 01:46:04 -03:00
OBattler
c5f4cda6db
Fixed the AIX fix.
2020-12-01 05:05:44 +01:00
qeeg
62dc0b0154
Readd the AIX fix
2020-11-30 20:09:13 -06:00
OBattler
1ddee67aa6
Got rid of the last differences between the old and new recompilers with regards to the readmem*/writemem* functions.
2020-12-01 02:41:22 +01:00
RichardG867
ee0d9f79f3
Make the ram(2) allocation failed fatals more user friendly
2020-11-30 20:12:35 -03:00
qeeg
f7dcd358f0
i386 CPUs don't have the WP bit in CR0. Fixes IBM AIX 1.3
2020-11-30 09:46:35 +01:00
OBattler
a5ae4cfba5
Got completely rid of readmemb386l() and writememb386l().
2020-11-30 05:27:04 +01:00
OBattler
6e233f4ac8
SDL renderer improvements and fixes and added SDL OpenGL option;
...
Various performance improvements;
Fixed USB UHCI HCHalt;
Cirrus Logic CL-GD 5422/24 fixes and removed them from the Dev branch;
The Storage controllers sections of Settings now has its own corresponding section of the configuration file;
Fixed the AT clock divisors for some Pentium OverDrive CPU's;
Added the ACPI RTC status (no ACPI RTC alarm event yet).
2020-11-26 18:20:24 +01:00
OBattler
26bffcb91f
Reenabled addreadlookup() and addwritelookup() in mem/mem.c, fixes performance of the emulator.
2020-11-17 21:05:13 +01:00
OBattler
ab8f9d3866
The new 808x-only memory read/write functions now apply the RAM mask to the address so addresses now correctly wrap around 1 MB, fixes #1062 ;
...
More 808x bug fixes.
2020-11-17 02:20:19 +01:00
OBattler
bf4b5b781f
Implemented PIC IRQ latch and delay (per the datasheet), IBM PCjr now works without a workaround delay in cpu/808x.c which was therefore removed; also redid memory and I/O accesses in cpu/808x.c to fix word writes on 8086.
2020-11-17 00:25:28 +01:00
OBattler
795a6017d2
PIC rewrite, proper SMRAM API, complete SiS 471 rewrite and addition of 40x, 460, and 461, changes to mem.c/h, disabled Voodoo memory dumping on exit, bumped SDL Hardware scale quality to 2, bumped IDE/ATAPI drives to ATA-6, finally bumped emulator version to 3.0, redid the bus type ID's to allow for planned ATAPI hard disks, made SST flash set its high mappings to the correct address if the CPU is 16-bit, and added the SiS 401 AMI 486 Clone, AOpen Vi15G, and the Soyo 4SA2 (486 with SiS 496/497 that can boot from CD-ROM), assorted 286+ protected mode fixes (for slightly more accuracy), and fixes to 808x emulation (MS Word 1.0 and 1.10 for DOS now work correctly from floppy).
2020-10-14 23:15:01 +02:00
TC1995
49ec3903a5
Fixed the crashes the IBM PS/1 2133 issued with Windows 95 running with 8MB-16MB of memory.
2020-10-11 14:40:29 +02:00
OBattler
6ba0d715cc
Some mem.c fixes.
2020-07-19 05:54:09 +02:00
OBattler
c7f4aabbf0
Fixed the previous fix.
2020-07-16 01:14:24 +02:00
OBattler
a4afacfe0e
Fixed a very bad flaw in mem.c which was causing lookup arrays for memory above 1 MB but below 2 MB to point to a bogus area of memory, also fixes 64-bit 86Box.
2020-07-15 23:22:26 +02:00
OBattler
0b4b2b4d2f
A number of recompiler fixes and put some of the timer/cycle-related changes behind #ifdef's as they are no longer used but someone may want to still try them out.
2020-07-15 18:30:27 +02:00
OBattler
96228bc41d
Overhauled the SiS 496/497 chipset emulation (and added the DRB locking to it) (later Zida Tomato 4DPS BIOS'es now work, and we now use the actual 1.72), fixed the W83787F and FDC37C932FR Super I/O chips, removed the no longer needed Acer M3A registers (that's now correctly handled as FDC37C932FR GPIO), and a number of bugfixes here and there.
2020-06-29 01:10:20 +02:00
OBattler
8bf15f535b
Pages above the top of RAM now have mem[] pointing to a 4096-byte array of FF's, and fixed the naming and indentation of the P5MP3 in machine/machine_table.c.
2020-06-21 04:03:14 +02:00
OBattler
8837d5d882
Implemented the National Semiconductors PC87307, PC87309, PC87332, and PC97307 Super I/O chips, fixed a number of bugs, and removed two machines from the Dev branch due to them now having the correct Super I/O chips.
2020-06-14 21:59:45 +02:00
OBattler
611dd62fab
Some chipset extended SMRAM-related clean-ups and SMM-supporting chipsets now correctly set shadow RAM states for SMM mode in addition to non-SMM mode, fixes Windows 98 SE hanging in a SMI# handler.
2020-06-14 14:50:30 +02:00
OBattler
ca55e2a12a
More reorganization and finally merged the two makefiles.
2020-06-13 12:32:09 +02:00
