Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

LOCK prefix on recompiler no longer causes following instruction to be executed twice - fixes Windows 2000.

Browse source
This commit is contained in:
TomW 2014-11-16 15:01:31 +00:00
commit ac01998c1e
1 changed files with 5 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/x86_ops_misc.h
View file

@ -535,8 +535,12 @@ static int opHLT(uint32_t fetchdat)
static int opLOCK(uint32_t fetchdat) static int opLOCK(uint32_t fetchdat)
{ {
fetchdat = fastreadl(cs + pc);
if (abrt) return 0;
pc++;
CLOCK_CYCLES(4); CLOCK_CYCLES(4);
return 0; return x86_opcodes[(fetchdat & 0xff) | op32](fetchdat >> 8);
} }