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Diffstat (limited to 'src/devices/cpu/mips/mips3fe.cpp')
-rw-r--r--src/devices/cpu/mips/mips3fe.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/cpu/mips/mips3fe.cpp b/src/devices/cpu/mips/mips3fe.cpp
index 77b72c9b48b..ff0c59797d9 100644
--- a/src/devices/cpu/mips/mips3fe.cpp
+++ b/src/devices/cpu/mips/mips3fe.cpp
@@ -316,13 +316,13 @@ bool mips3_frontend::describe_special(uint32_t op, opcode_desc &desc)
return true;
case 0x10: // MFHI
- desc.regin[2] |= REGFLAG_HI;
+ desc.regin[0] |= REGFLAG_HI;
desc.regout[0] |= REGFLAG_R(RDREG);
return true;
case 0x11: // MTHI
desc.regin[0] |= REGFLAG_R(RSREG);
- desc.regout[2] |= REGFLAG_HI;
+ desc.regout[0] |= REGFLAG_HI;
return true;
case 0x12: // MFLO