Macros to ease generating code modregrm: generate mod reg r/m field modregxrm: reg could be R8..R15 modregrmx: rm could be R8..R15 modregxrmx: reg or rm could be R8..R15 NEWREG: change reg field of x to r genorreg: OR t,f
See Implementation
Macros to ease generating code modregrm: generate mod reg r/m field modregxrm: reg could be R8..R15 modregrmx: rm could be R8..R15 modregxrmx: reg or rm could be R8..R15 NEWREG: change reg field of x to r genorreg: OR t,f