FEAT: added integer division by zero runtime error catching. FEAT: documented registers usage for division routine.
FEAT: added integer division by zero runtime error catching.
FEAT: documented registers usage for division routine.

rheber/red,red-eco/red,iArnold/red,NikolayShubenkovProgSchool/red,vehar/red,NikolayShubenkovProgSchool/red,rheber/red,vehar/red,iArnold/red,red-eco/red