( also works for cc )
0xc0 OP1r RETcc,
( r -- )
: OP1r0
    CREATE C,
    DOES>
    C@              ( r op )
    OR A,
;
0x80 OP1r0 ADDr,               0x88 OP1r0 ADCr,
0xa0 OP1r0 ANDr,               0xb8 OP1r0 CPr,
0xb0 OP1r0 ORr,                0x90 OP1r0 SUBr,
0x98 OP1r0 SBCr,               0xa8 OP1r0 XORr,
: CP(IXY+), CPr, A, ;
