B2R2


MPref Type

Mandatory prefixes. The 66H, F2H, and F3H prefixes are mandatory for opcode extensions.

Record fields

Record Field Description

MPrx66

Full Usage: MPrx66

Field type: MPref
Modifiers: static

66 prefix.

Field type: MPref

MPrx66F2

Full Usage: MPrx66F2

Field type: MPref
Modifiers: static

66 & F2 prefix.

Field type: MPref

MPrxF2

Full Usage: MPrxF2

Field type: MPref
Modifiers: static

F2 prefix.

Field type: MPref

MPrxF3

Full Usage: MPrxF3

Field type: MPref
Modifiers: static

F3 prefix.

Field type: MPref

MPrxNP

Full Usage: MPrxNP

Field type: MPref
Modifiers: static

Indicates the use of 66/F2/F3 prefixes (beyond those already part of the instructions opcode) are not allowed with the instruction.

Field type: MPref