native_mode .macro
    clc
    xce
.endmacro

long_a .macro
    rep #$20
    .al
.endmacro

short_a .macro
    sep #$20
    .as
.endmacro

long_i .macro
    rep #$10
    .xl
.endmacro

short_i .macro
    sep #$10
    .xs
.endmacro