piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-08-01 18:49:11 -06:00
Code Issues Packages Projects Releases Wiki Activity

verify writable msr bits

Browse Source
This commit is contained in:
Jaklyy
2024-06-11 10:09:40 -04:00
parent 048b0b8878
commit 42218106b0
2 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/ARMInterpreter_LoadStore.cpp
View File

@ -411,7 +411,7 @@ void A_SWP(ARM* cpu)
// rd only gets updated if both read and write succeed
u32 rd = (cpu->CurInstr >> 12) & 0xF;
if (rd != 15) cpu->R[rd] = ROR(val, 8*(base&0x3));
else if (cpu->Num) cpu->JumpTo(ROR(val, 8*(base&0x3)) & ~1); // for some reason these jumps don't work on the arm 9?
else if (cpu->Num==1) cpu->JumpTo(ROR(val, 8*(base&0x3)) & ~1); // for some reason these jumps don't work on the arm 9?
}
cpu->DataCycles += numD;
}
@ -433,7 +433,7 @@ void A_SWPB(ARM* cpu)
// rd only gets updated if both read and write succeed
u32 rd = (cpu->CurInstr >> 12) & 0xF;
if (rd != 15) cpu->R[rd] = val;
else if (cpu->Num) cpu->JumpTo(val & ~1); // for some reason these jumps don't work on the arm 9?
else if (cpu->Num==1) cpu->JumpTo(val & ~1); // for some reason these jumps don't work on the arm 9?
}
cpu->DataCycles += numD;
}