( Macros )
( clear carry + SBC )
: SUBHLss, A ORr, SBCHLss, ;
: PUSH0, BC 0 LDddnn, BC PUSHqq, ;
: PUSH1, BC 1 LDddnn, BC PUSHqq, ;
: PUSHZ, BC 0 LDddnn, IFZ, BC INCss, THEN, BC PUSHqq, ;