( Macros )
( clear carry + SBC )
: SUBHLd, A ORr, SBCHLd, ;
: PUSH0, BC 0 LDdn, BC PUSH, ;
: PUSH1, BC 1 LDdn, BC PUSH, ;
: PUSHZ, BC 0 LDdn, IFZ, BC INCd, THEN, BC PUSH, ;
: PUSHA, B 0 LDri, C A LDrr, BC PUSH, ;
: HLZ, A H LDrr, L ORr, ;
: DEZ, A D LDrr, E ORr, ;
: LDDE(HL), E (HL) LDrr, HL INCd, D (HL) LDrr, ;
: OUTHL, DUP A H LDrr, OUTiA, A L LDrr, OUTiA, ;
: OUTDE, DUP A D LDrr, OUTiA, A E LDrr, OUTiA, ;