ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #7145 from lioncash/mtspr 

Interpreter_SystemRegisters: Handle mtspr to HID1 and PVR properly
This commit is contained in:
Markus Wick 2018-06-21 11:36:12 +02:00 committed by GitHub
parent ec209fea49 d0fbba9ac1
commit 52990d215d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Source/Core/Core/PowerPC/Interpreter/Interpreter_SystemRegisters.cpp
View File

@ -306,6 +306,11 @@ void Interpreter::mtspr(UGeckoInstruction inst)
SystemTimers::TimeBaseSet(); SystemTimers::TimeBaseSet();
break; break;
case SPR_PVR:
// PVR is a read-only register so maintain its value.
rSPR(index) = old_value;
break;
case SPR_HID0: // HID0 case SPR_HID0: // HID0
{ {
UReg_HID0 old_hid0; UReg_HID0 old_hid0;
@ -328,6 +333,14 @@ void Interpreter::mtspr(UGeckoInstruction inst)
} }
} }
break; break;
case SPR_HID1:
// Despite being documented as a read-only register, it actually isn't. Bits
// 0-4 (27-31 from a little endian perspective) are modifiable. The rest are not
// affected, as those bits are reserved and ignore writes to them.
rSPR(index) &= 0xF8000000;
break;
case SPR_HID2: // HID2 case SPR_HID2: // HID2
// TODO: generate illegal instruction for paired inst if PSE or LSQE // TODO: generate illegal instruction for paired inst if PSE or LSQE
// not set. // not set.