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-rw-r--r--sys/src/cmd/aux/realemu/decode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/cmd/aux/realemu/decode.c b/sys/src/cmd/aux/realemu/decode.c
index e2022a2a5..2cfe9286b 100644
--- a/sys/src/cmd/aux/realemu/decode.c
+++ b/sys/src/cmd/aux/realemu/decode.c
@@ -348,7 +348,7 @@ getmodrm32(Iarg *ip, Inst *i)
i->off = ar(areg(ip->cpu, 4, i->rm + RAX));
break;
case 4:
- b = ar(ip); i->off++;
+ b = ar(ip); ip->off++;
i->scale = b>>6;
i->index = (b>>3)&7;
i->base = b&7;