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| author | ptitSeb <sebastien.chev@gmail.com> | 2023-12-07 13:41:59 +0100 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2023-12-07 13:41:59 +0100 |
| commit | 98959e902b76ba4d818d3d8293b4ee6bfc82b5dc (patch) | |
| tree | f9f470a056e33c695bef1c570ecfd88f9ea9c638 /src/emu | |
| parent | 548a8ac87b5bcbefb17a31722f9eceb80beb62cf (diff) | |
| download | box64-98959e902b76ba4d818d3d8293b4ee6bfc82b5dc.tar.gz box64-98959e902b76ba4d818d3d8293b4ee6bfc82b5dc.zip | |
Better way to handle multiple 3E/26 and F2/F3 prefixes ([DYNAREC] too)
Diffstat (limited to 'src/emu')
| -rw-r--r-- | src/emu/x64run.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/emu/x64run.c b/src/emu/x64run.c index b9b6ddf7..7faa06c9 100644 --- a/src/emu/x64run.c +++ b/src/emu/x64run.c @@ -81,12 +81,15 @@ x64emurun: opcode = F8; rep = 0; - while((opcode==0xF2) || (opcode==0xF3)) { - rep = opcode-0xF1; + while((opcode==0xF2) || (opcode==0xF3) || (opcode==0x3E) || (opcode==0x26)) { + switch (opcode) { + case 0xF2: rep = 1; break; + case 0xF3: rep = 2; break; + case 0x3E: + case 0x26: /* ignored*/ break; + } opcode = F8; } - while((opcode==0x3E) || (opcode==0x26)) //Branch Taken Hint ignored - opcode = F8; rex.rex = 0; rex.is32bits = is32bits; if(!is32bits) |