) ▁and ▁vertical ▁( 1 × , ▁ 2 × , ▁ 4 × ▁or ▁ 8 × ) ▁Mir ror ing : ▁horizontal ▁and ▁vertical ▁Coll ision ▁detection : ▁sprite ▁to ▁sprite , ▁sprite ▁to ▁background , ▁and ▁sprite ▁to ▁screen ▁border ▁Prior ity : ▁selects ▁whether ▁sprite ▁appears ▁in ▁front ▁of ▁or ▁behind ▁background . ▁ ▁fine ▁horizontal ▁and ▁vertical ▁pixel ▁scrolling ▁ ▁all ▁ST IC ▁attributes ▁and ▁G RAM ▁re - program m able ▁at ▁V BL AN K , ▁ 6 0 ▁times ▁a ▁second ▁Three - channel ▁sound , ▁with ▁one ▁noise ▁generator , ▁audio ▁chip : ▁General ▁Inst rument ▁A Y - 3 - 8 9 1 4 ▁( A Y - 3 - 8 9 1 4 A / A Y - 3 - 8 9 1 6 ▁Int ell iv ision ▁II ) ▁Con ne ctions : ▁ 4 4 - pin ▁cart ridge / exp ansion ▁port ▁ 6 4 K ▁address able ▁( approx ▁ 5 0 K ▁available ), ▁more ▁with ▁memory ▁bank ▁switching ▁typical ▁cart rid ges : ▁ 4 K , ▁ 6 K , ▁ 8 K , ▁ 1 2 K , ▁ 1 6 K , ▁ 2 4 K ▁( 1 0 - bit ▁R OM s ) ▁ 2 ▁x ▁ 9 - pin ▁controller ▁connect ors inline ▁pin ▁connect ors ▁internally ▁accessible ▁on ▁original ▁Int ell iv ision ▁and ▁IN TV ▁systems DE - 9 ▁connect ors ▁extern ally ▁accessible ▁on ▁Super ▁Video ▁Ar