; function to do multiplication ; all values are big endian ; INPUT ; FF96-FF98 = multiplicand ; FF99 = multiplier ; OUTPUT ; FF95-FF98 = product Multiply:: push hl push bc callfar _Multiply pop bc pop hl ret ; function to do division ; all values are big endian ; INPUT ; FF95-FF98 = dividend ; FF99 = divisor ; b = number of bytes in the dividend (starting from FF95) ; OUTPUT ; FF95-FF98 = quotient ; FF99 = remainder Divide:: push hl push de push bc homecall _Divide pop bc pop de pop hl ret