Macintosh-Tools/dingusppc
1
0
Fork 0
mirror of https://github.com/dingusdev/dingusppc.git synced 2025-01-11 20:29:46 +00:00
Code Issues Projects Releases Wiki Activity

ppcopcodes: fix mcrf (again).

Browse Source
This commit is contained in:
Maxim Poliakovski 2022-05-17 08:44:50 +02:00
parent b26baaaeff
commit 9d89c5f64e
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
cpu/ppc/ppcopcodes.cpp
View File

@ -1268,9 +1268,11 @@ void dppc_interpreter::ppc_cmpli() {
void dppc_interpreter::ppc_mcrf() { void dppc_interpreter::ppc_mcrf() {
int crf_d = (ppc_cur_instruction >> 21) & 0x1C; int crf_d = (ppc_cur_instruction >> 21) & 0x1C;
int crf_s = (ppc_cur_instruction >> 16) & 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() { void dppc_interpreter::ppc_crand() {