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ppcopcodes: fix mcrf (again).

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This commit is contained in:
Maxim Poliakovski 2022-05-17 08:44:50 +02:00
parent d928d3ff55
commit 0c77cccb9e
1 changed files with 4 additions and 2 deletions
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6
cpu/ppc/ppcopcodes.cpp
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@ -1268,9 +1268,11 @@ void dppc_interpreter::ppc_cmpli() {
void dppc_interpreter::ppc_mcrf() {
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));
// extract and right justify source flags field
uint32_t grab_s = (ppc_state.cr >> (28 - crf_s)) & 0xF;
ppc_state.cr = (ppc_state.cr & ~(0xf0000000UL >> crf_d)) | (grab_s << (28 - crf_d));
}
void dppc_interpreter::ppc_crand() {