diff options
author | 2019-12-21 22:31:02 -0600 | |
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committer | 2019-12-21 22:31:02 -0600 | |
commit | 17a99a4dd9a57d96c4579779388361b4d687fcf3 (patch) | |
tree | cf6ae8b8a2a71ba0ce51f9b40c2ecf89d7b629d6 | |
parent | 441ec9efb7e54d4ae3331beb9b5452b464312298 (diff) |
i386: feni and fdisi are nops on the 387+ (nw)
-rw-r--r-- | src/devices/cpu/i386/x87ops.hxx | 2 |
1 files changed, 2 insertions, 0 deletions
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 */ |