Macintosh-Tools/dingusppc
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Author SHA1 Message Date
joevt
ff895aa8a4 ppcfpopcodes: Remove some globals. 
ppc_result64_d and ppc_dblresult64_d don't need to be globals. The rest are unused.
 2024-02-10 13:56:07 -07:00
joevt
c9c4280e6e ppcfpopcodes: No float cast for operand check. 2024-02-10 13:02:49 -07:00
joevt
dac9c1e52c ppcfpopcodes: Fix fctiw* round to nearest. 
0.3 should not round up to 1.
 2024-02-10 12:58:58 -07:00
joevt
a7e6ab33a1 ppcfpopcodes: Make fctiw* results QNaN. 2024-02-10 12:58:29 -07:00
joevt
6c49b87a06 ppcopcodes: Fix rlwnm when shift > 31. 2024-02-10 12:54:41 -07:00
joevt
29e5bbdcc0 ppcopcodes: Fix divw. 2024-02-10 12:54:12 -07:00
joevt
4fcb357e2f ppcfpopcodes: add 601 variant of mffs. 2024-02-10 12:51:48 -07:00
joevt
ddb5259464 ppcexec: Make illegal operations per CPU model. 2024-02-10 12:51:00 -07:00
dingusdev
52dfc0cf93 Slightly faster typecasting 2024-01-31 08:06:33 -07:00
Maxim Poliakovski
ad58d102df machinecatalyst: implement board register 1. 2024-01-30 00:34:24 +01:00
Maxim Poliakovski
9847f5ba6c machinecatalyst: remove video properties. 
They will be implemented in the Platinum source.
 2024-01-30 00:34:24 +01:00
Maxim Poliakovski
5f06be6226 control: implement HW cursor rendering. 2024-01-19 23:48:22 +01:00
Maxim Poliakovski
a68afbf79a videoctrl: add one more cursor rendering callback. 2024-01-19 23:48:22 +01:00
joevt
bf425884fb ppcopcodes: Add ppc_grab_dab. 
For instructions that don't use the general purpose registers.
 2024-01-19 12:09:24 +01:00
joevt
4430fd89a9 ppcopcodes: Fix subfic. 2024-01-19 12:00:55 +01:00
Maxim Poliakovski
7432369162 display_sdl.cpp: improve formatting and add license header. 2024-01-19 09:48:54 +01:00
Maxim Poliakovski
43dc9ed88a control: remove unused defines and variables. 2024-01-19 09:48:54 +01:00
Maxim Poliakovski
d413e4a278 control: incorporate recent HW knowledge. 2024-01-19 09:48:54 +01:00
joevt
5c460c9f3b videoctrl: Add VBL callback. 
Allows overriding the method used to post interrupts.
 2024-01-13 00:41:08 +01:00
joevt
cf9237f7d6 control: Fixes. 
- Fix video vram endianness. It should behave like RAM.
- Add read for registers ENABLE, INT_STATUS, INT_ENABLE.
- Add write for registers CNTTST, INT_ENABLE.
- Add support for 16bpp and 32bpp.
- Add vbl interrupt.
 2024-01-13 00:41:08 +01:00
dingusdev
a0b1d6394a Another revert 
This affects Virtus VR - With the lmw checks, the opening sign doesn't display and the intro crashes sooner
 2024-01-07 17:45:05 -07:00
dingusdev
c6af1e31fe Partial revert of previous commit 2024-01-07 17:21:11 -07:00
dingusdev
a5ce6a806f CPU clean-up 2024-01-07 17:04:51 -07:00
dingusdev
a59475af1c Further lha(*) fixes 2024-01-05 19:10:05 -07:00
dingusdev
1cc1ac2e68 Fixing lha(*) opcodes 2024-01-05 17:19:03 -07:00
dingusdev
924b80574a Further fix from last commit 2024-01-05 15:53:56 -07:00
dingusdev
f3a759c80d CPU code clean-up 2024-01-05 15:11:37 -07:00
dingusdev
79ee8543f5
Merge pull request #77 from mihaip/upstream-machineid 
machinepdm: fix machine ID
 2024-01-03 07:44:38 -07:00
Maxim Poliakovski
9b30dfb474 ppcfpopcodes: refactor fctiw/fctiwz emulation. 2024-01-03 01:27:21 +01:00
joevt
0100e67ebf ppcfpopcodes: Fix fctiw/fctiwz. 2024-01-03 01:07:53 +01:00
joevt
bd419912b5 ppcfpopcodes: Fix stfs*. 
It should try to convert its operand to a single precision
floating point number at least.
 2024-01-02 21:53:03 +01:00
Maxim Poliakovski
cb85d358d1 Remove unused globals. 2024-01-02 17:51:12 +01:00
Maxim Poliakovski
5b114c2412 ppcopcodes: refactor mtcrf emulation. 2024-01-02 17:44:35 +01:00
Maxim Poliakovski
c25b027de4 ppcfpopcodes: fix mtfsf emulation. 2024-01-02 17:21:08 +01:00
Maxim Poliakovski
8595dd7d99 ppcfpopcodes: fix mtfsfi emulation. 2024-01-02 17:21:08 +01:00
joevt
61a90e2cfb ppcfpopcodes: Fix mcrfs. 2024-01-02 15:52:30 +01:00
Maxim Poliakovski
593508df22 Refactor subfze. 2024-01-02 13:44:56 +01:00
joevt
1f3505f371 ppcopcodes: Fix subfze. 2024-01-02 13:44:13 +01:00
Maxim Poliakovski
679e80a7c3 atahd: basic commands for disk I/O. 2023-12-30 16:23:00 +01:00
Maxim Poliakovski
ebdefb5acd atabasedevice: transfer data in chunks. 2023-12-30 16:23:00 +01:00
Mihai Parparita
e36e1cf282 machinepdm: fix machine ID 
Handle 4 byte reads from the machine ID MMIO region. Also change the 6100
machine ID to match the one used by MAME.
 2023-12-29 23:31:16 +00:00
Maxim Poliakovski
fef5bde0c7 Refactor recent subfme fix. 2023-12-24 02:56:47 +01:00
joevt
dc00879419 ppcopcodes: Fix subfme. 2023-12-24 02:36:34 +01:00
joevt
bae488fd97 ppcfpopcodes: Fix lfs* opcodes. 2023-12-22 13:11:13 +01:00
joevt
0a8c1df968 ppcopcodes: Fix sraw. 2023-12-19 16:30:02 +01:00
joevt
4c49558120 ppcopcodes: Fix subfe. 2023-12-19 14:57:41 +01:00
Maxim Poliakovski
750f91e339 ppcemu.h: add enum for XER bits. 2023-12-19 14:57:41 +01:00
Maxim Poliakovski
d24b5d21b8 CRx_bit enum stores masks for now. 2023-12-19 14:27:57 +01:00
Maxim Poliakovski
9dbfde1a4c Cleanup previous commit. 2023-12-19 13:15:10 +01:00
joevt
7f229b0fe8 ppcfpopcodes: Fix fcmpo/fcmpu. 
It was always changing CR1 (starting at CR bit 4) instead of the CR selected by crfD.
Also, it was clearing all but the FL,FG,FE,FU bits of FPRF of FPSCR.
 2023-12-19 13:15:10 +01:00