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ppcopcodes: fix mcrf.

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This commit is contained in:
Maxim Poliakovski 2021-01-08 21:58:57 +01:00
parent 14d3874382
commit 358f018815
1 changed files with 4 additions and 5 deletions
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9
cpu/ppc/ppcopcodes.cpp
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@ -1201,12 +1201,11 @@ void dppc_interpreter::ppc_cmpli() {
// Condition Register Changes
void dppc_interpreter::ppc_mcrf() {
crf_d = (ppc_cur_instruction >> 23) & 7;
crf_d = crf_d << 2;
crf_s = (ppc_cur_instruction >> 18) & 7;
crf_s = crf_d << 2;
int crf_d = (ppc_cur_instruction >> 21) & 0x1C;
int crf_s = (ppc_cur_instruction >> 16) & 0x1C;
uint32_t grab_s = ppc_state.cr & (0xf0000000UL >> crf_s);
ppc_state.cr = (ppc_state.cr & ~(0xf0000000UL >> crf_d) | (grab_s << crf_d));
ppc_state.cr = (ppc_state.cr & ~(0xf0000000UL >> crf_d) | (grab_s >> crf_d));
}
void dppc_interpreter::ppc_crand() {