▁thanks ▁to ▁its ▁office ▁software ▁in ▁Swedish . ▁The ▁computer ▁was ▁robust ▁and ▁well ▁engine ered , ▁mechan ically ▁and ▁elect r ically ▁and ▁its ▁B AS IC ▁was ▁fast ▁enough ▁that ▁it ▁could ▁be ▁used ▁to ▁write ▁ar cade ▁games , ▁without ▁resort ing ▁to ▁assembly ▁language . ▁However , ▁despite ▁such ▁technical ▁virt ues , ▁it ▁couldn ' t ▁defend ▁the ▁home ▁market ▁against ▁the ▁dedicated ▁g aming ▁computers ▁with ▁color ▁and ▁sound ▁that ▁appeared ▁in ▁the ▁early ▁ 1 9 8 0 s , ▁neither ▁against ▁the ▁cheap ▁ult ra ▁simpl istic ▁home ▁computers ▁of ▁the ▁same ▁era , ▁even ▁though ▁a ▁new ▁low ▁cost ▁version ▁was ▁released ▁that ▁could ▁use ▁an ▁ordinary ▁TV ▁instead ▁of ▁the ▁dedicated ▁monitor . ▁▁ ▁Lux or ▁( and ▁Fac it ) ▁held ▁on ▁to ▁its ▁more ▁professional ▁mark ets ▁for ▁some ▁more ▁years ▁with ▁the ▁ABC ▁ 8 0 0 ▁series ▁( also ▁sold ▁as ▁Fac it ▁D TC ). ▁It ▁had ▁a ▁more ▁extensive ▁B AS IC , ▁more ▁memory , ▁color , ▁and ▁a ▁ 5 1 2 × 2 4 0 ▁graphics ▁mode . ▁From ▁ 1 9 8 5 ▁DI AB ▁and ▁Lux or ▁also ▁tried ▁to ▁comp ete ▁against ▁the ▁IBM ▁PC ▁in ▁the ▁industrial ▁and ▁office ▁mark ets ▁with ▁its ▁high ▁performance ▁ABC ▁ 1 6 0 0 ▁and ▁ABC ▁ 9 0 0 0 ▁series ▁of ▁computers ▁based ▁on ▁DI AB s ▁real ▁time ▁operating ▁system ▁called ▁D N IX , ▁but ▁failed . ▁ ▁However