From 17a99a4dd9a57d96c4579779388361b4d687fcf3 Mon Sep 17 00:00:00 2001 From: cracyc Date: Sat, 21 Dec 2019 22:31:02 -0600 Subject: i386: feni and fdisi are nops on the 387+ (nw) --- src/devices/cpu/i386/x87ops.hxx | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/devices/cpu/i386/x87ops.hxx b/src/devices/cpu/i386/x87ops.hxx index ba2c97247af..3dbfd7c818e 100644 --- a/src/devices/cpu/i386/x87ops.hxx +++ b/src/devices/cpu/i386/x87ops.hxx @@ -5264,6 +5264,8 @@ 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 */ -- cgit v1.2.3