( qq -- also works for ss )
: OP1qq
    CREATE C,
    DOES>
    C@              ( qq op )
    SWAP            ( op qq )
    <<4             ( op qq<<4 )
    OR A,
;
0xc5 OP1qq PUSHqq,             0xc1 OP1qq POPqq,
0x03 OP1qq INCss,              0x0b OP1qq DECss,
0x09 OP1qq ADDHLss,

: ADDIXss, 0xdd A, ADDHLss, ;  : ADDIXIX, HL ADDIXss, ;
: ADDIYss, 0xfd A, ADDHLss, ;  : ADDIYIY, HL ADDIYss, ;