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ppcexceptions: fix ISI exception target address.

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This commit is contained in:
Maxim Poliakovski 2023-07-10 14:06:20 +02:00
parent f7a1412ec7
commit 25150268cd
1 changed files with 6 additions and 2 deletions
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8
cpu/ppc/ppcexceptions.cpp
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@ -1,6 +1,6 @@
/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-21 divingkatae and maximum
Copyright (C) 2018-23 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
@ -56,7 +56,11 @@ void ppc_exception_handler(Except_Type exception_type, uint32_t srr1_bits) {
break;
case Except_Type::EXC_ISI:
ppc_state.spr[SPR::SRR0] = ppc_next_instruction_address;
if (exec_flags & ~EXEF_TIMER) {
ppc_state.spr[SPR::SRR0] = ppc_next_instruction_address;
} else {
ppc_state.spr[SPR::SRR0] = ppc_state.pc & 0xFFFFFFFCUL;
}
ppc_next_instruction_address = 0x0400;
break;