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Author SHA1 Message Date
Stanislav Shwartsman
58663d3c68 fix bug intoduced in c4689f284c 2024-01-27 23:05:38 +02:00
Volker Ruppert
3ec05e8f05 Voodoo 1/2: Added support for 8 and 16 byte writes (issue #241). 
Also added 16-bit read support. Odd data size and address support not done yet.
 2024-01-27 18:58:22 +01:00
Stanislav Shwartsman
c4689f284c fix spurious read of potentially non-existing SECONDARY_VMEXIT_CTRLS 2024-01-27 18:38:14 +02:00
Stanislav Shwartsman
b685996081 fixed compilation 2024-01-27 18:30:22 +02:00
Stanislav Shwartsman
ae61538847 create classes for Vmexec controls for robustness 2024-01-27 18:04:00 +02:00
Stanislav Shwartsman
035fb1edaa create class for Pin-Based VMEXEC controls for robustness 
create class for Vmentry controls for robustness
create class for Vmexit controls for robustness
 2024-01-27 15:14:29 +02:00
Stanislav Shwartsman
38b1bbf4ff Implemented VMX 'Shadow Stack Prematurely Busy' and secondary VMEXIT controls 2024-01-27 13:34:51 +02:00
Stanislav Shwartsman
e14b126198 fixed rounding to float16 (found during AVX512_FP16 development) 
used Softfloat3 code as reference
 2024-01-26 22:53:39 +02:00
Stanislav Shwartsman
093d4428ec read less bits for mask with DOUBLE precision elements 2024-01-26 20:36:29 +02:00
Shwartsman
0e1c5e35ff added error message for unimplemented access len in bx_voodoo_1_2_c::mem_read_handler 2024-01-26 09:45:00 +02:00
Volker Ruppert
30a61c2a51 Banshee/Voodoo3 fixes in mem_write_linear (issue #231). 
- Applied memory mask to start address.
- Consider half mode and double width for redraw setup.
 2024-01-25 19:57:28 +01:00
Shwartsman
437ddc96fc Addressing Black screen in Descent II: Destination Quartzon 3dfx OEM with Voodoo #238 2024-01-24 17:04:21 +02:00
Shwartsman
995e8fb6c6 let Bochs debugger switch CPU by simply typing 'cpu N' command insetad of doing 'set $cpu = N' 2024-01-23 23:13:20 +02:00
Shwartsman
164772103a use 'a' as 'all' in debugger 2024-01-23 19:25:56 +02:00
Shwartsman
b5bcbfced0 fix segfault @exit with debugger introduced by previous commit 2024-01-23 16:11:15 +02:00
Shwartsman
fb42896000 better support of SMP in debugger methods 2024-01-23 11:08:05 +02:00
Stanislav Shwartsman
ae0c9df317 compile stand alone disasm tool even if BX_DEBUGGER is configured in 2024-01-22 22:13:28 +02:00
Volker Ruppert
a663b9d1d0 Minor Banshee/Voodoo3 changes. 
- Update pens when switching from / to 3D mode.
- Improved BX_ERROR message for unimplemented feature.
 2024-01-22 20:23:40 +01:00
Volker Ruppert
75757e9852 Banshee/Voodoo3: Fixed overlay stride. 2024-01-22 16:37:18 +01:00
Stanislav Shwartsman
a2296e5d2a when printing instruction disassembly in debugger add status "(halted)" about halted CPU 2024-01-21 23:00:55 +02:00
Stanislav Shwartsman
c1a65ff7c4 introduce a method to switch dbg_cpu when needed 2024-01-21 22:39:59 +02:00
Shwartsman
0141f2767c fixed compilation for i386 config and with no SVM 2024-01-21 22:03:53 +02:00
Shwartsman
e960e574f4 this annoying message happens always when debugger is closed 
change to BX_INFO
 2024-01-21 17:44:17 +02:00
Shwartsman
8abfde13d7 complete support of SVM Nested Walk in dbg including 'page' command 2024-01-21 17:44:17 +02:00
Volker Ruppert
ea0b208970 Cirrus: Implemented double scan support for color depth > 8. 
TODO: Screen width not adjusted yet (should be done similar to Voodoo3).
 2024-01-21 10:09:30 +01:00
Benjamin David Lunt
9820cf934e
Update ohci_core.cc (#232) 
On a buffer underrun (Short Packet), we still need to update the CBP

---------

Co-authored-by: Volker Ruppert <Volker.Ruppert@t-online.de>
 2024-01-21 06:56:35 +01:00
Benjamin David Lunt
7851bf8ce1
Update hdimage.cc (#233) 
Change an ERROR to a PANIC when a .lock file is found.
 2024-01-21 06:39:48 +01:00
Volker Ruppert
7ad1fd0088 Update CHANGES. 2024-01-20 23:27:30 +01:00
Volker Ruppert
db0d16ff09 Banshee: Double the screen width in 'half mode' if height > width. 2024-01-20 22:30:47 +01:00
Shwartsman
f014160835 Add Bochs intenal debugger welcome message and improve help command 2024-01-20 21:09:46 +02:00
Volker Ruppert
ab32c8a2bb Update CHANGES and 'vga: update_freq' in docs. 2024-01-20 10:59:34 +01:00
Shwartsman
4eae91f1ca addressing issue Possible Undefined Behavior in NEG_EdR() and NEG_EdM() #227 2024-01-20 08:19:43 +02:00
Shwartsman
35abc682cb Merge fix for "Crash when floppy image file is missing #229" 2024-01-20 07:53:26 +02:00
Shwartsman
d9d07c03ec update CHANGES with critical ADOX fix 2024-01-19 20:35:54 +02:00
Shwartsman
dd9aaa7325 Fixed OF flag for ADOX instruction 
The OF flag defintion is different from OF of other instructions
Instead it is defined as:
The instruction sets the OF flag with the **carry** generated by the unsigned addition of the operands.
 2024-01-19 20:30:47 +02:00
Volker Ruppert
6e48bc78fc VGA core: Implemented a more accurate vertical timing. 
Now using one timer with two alternating periods. A modification of the timer code
wasn't necessary. The update mode vsync is not yet affected by this change.
 2024-01-19 18:40:13 +01:00
Volker Ruppert
4112a10fbd Update changes 2024-01-18 23:42:45 +01:00
Volker Ruppert
b382358e80 Banshee: Attempt to fix redraw in case bitblt is used in 3D mode. 2024-01-18 20:32:29 +01:00
Volker Ruppert
6770a355ae Cirrus: Fixed redraw issue caused by misaligned bitblt region. 
If x0 + width exceeds the screen width, mark tile(s) on the left side of the screen, too.
This should finally fix issue #221.
 2024-01-17 22:12:30 +01:00
Volker Ruppert
c66d6f1a0e Cirrus: Fixed possible segfault caused by missing address wrap. 
- Added address wrap in cpu-to-video transparent bitblt.
- Added BX_DEBUG for address wrap detection and fixed redraw parameters.
TODO: Check other methods for possible segfaults.
 2024-01-17 19:23:08 +01:00
Shwartsman
9d5bfa9064 UINTR: uitt_addr[3:0] are reserved and must be cleared before reading UITT entry 2024-01-17 14:52:49 +02:00
Stanislav Shwartsman
0f677ccfc6 change comments 2024-01-16 21:23:45 +02:00
Stanislav Shwartsman
c5436a4891 update CHANGES 2024-01-16 20:58:39 +02:00
finnbrudal
3455581a71
Cirrus: BLT System-to-screen Dword Pointer (GR2F[6:5]) implemented (#223) 
Bits 5-6 of the left side clipping register have been implemented.

Co-authored-by: Volker Ruppert <Volker.Ruppert@t-online.de>
 2024-01-16 19:10:06 +01:00
Stanislav Shwartsman
f8d1050a3f
Implemented SVM VM_CR_MSR and INIT redirection feature (#220) 
Save and restore SVM MSRs
 2024-01-16 07:42:28 +02:00
Vort
ba7c8ed57a
Cancel topmost mode after leaving fullscreen mode (#224) 
`HWND_TOPMOST` should be cancelled with `HWND_NOTOPMOST` when it is not
needed anymore.

Co-authored-by: Volker Ruppert <Volker.Ruppert@t-online.de>
 2024-01-16 00:03:32 +01:00
Volker Ruppert
8528604888 Cirrus: Corrected redraw fix for backward BitBlt. 2024-01-15 23:28:23 +01:00
Volker Ruppert
bcfe5e129f Cirrus: Fixed redraw values for backward BitBlt. 2024-01-15 17:11:25 +01:00
Shwartsman
d965a16a7d cosmetic updates for SVM code 2024-01-14 20:30:04 +02:00
Volker Ruppert
77fffc1336 SDL: Cleaned up fullscreen toggle functions. 
FIXME: Window height sometimes not restored correctly (observed on Linux / X11).
 2024-01-14 17:49:44 +01:00