BCD1BinPlus:   ;converts BCD in ACC into bin in ACC; uses no extra resources
   jnb   acc.4,BCD1BX1
   add   a,#10 - 010h
BCD1BX1:
   jnb   acc.5,BCD1BX2
   add   a,#20 - 020h
BCD1BX2:
   jnb   acc.6,BCD1BX3
   add   a,#40 - 040h
BCD1BX3:
   jnb   acc.7,BCD1BX4
   add   a,#80 - 080h