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author cracyc <cracyc@users.noreply.github.com>2019-12-21 22:31:02 -0600
committer Vas Crabb <vas@vastheman.com>2019-12-22 16:02:59 +1100
commit95318ad8353299dc38a34dd0240900f22e9bc5cc (patch)
tree7b440d27734123b7791a0c53744862db745c0b62
parentba06ed32c5758edf0c86a074e7bb49faaacbcc20 (diff)
i386: feni and fdisi are nops on the 387+ (nw)
-rw-r--r--src/devices/cpu/i386/x87ops.hxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/devices/cpu/i386/x87ops.hxx b/src/devices/cpu/i386/x87ops.hxx
index c9503732784..52b1a00ea0c 100644
--- a/src/devices/cpu/i386/x87ops.hxx
+++ b/src/devices/cpu/i386/x87ops.hxx
@@ -5225,6 +5225,8 @@ void i386_device::build_x87_opcode_table_db()
case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf: ptr = &i386_device::x87_fcmovne_sti; break;
case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7: ptr = &i386_device::x87_fcmovnbe_sti; break;
case 0xd8: case 0xd9: case 0xda: case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf: ptr = &i386_device::x87_fcmovnu_sti; break;
+ case 0xe0: ptr = &i386_device::x87_fnop; break; /* FENI */
+ case 0xe1: ptr = &i386_device::x87_fnop; break; /* FDISI */
case 0xe2: ptr = &i386_device::x87_fclex; break;
case 0xe3: ptr = &i386_device::x87_finit; break;
case 0xe4: ptr = &i386_device::x87_fnop; break; /* FSETPM */