relative jump to lael if carry flag set carry flag is set if a calculation passes past zero, like: ld a,3 cp 5 3-5 = -2, (or 253, in unsigned integers) so the compare passed past 0, thus the carry flag is set. (works when going up past 0 too (eg. 255+3...) > > > Could someone please tell me what the command "jr c" does? > Thanks. > >