Don't clear all vectors, see #639.
; ------------------------------------------------------------------------
; ------------------------------------------------------------------------
sta VBASE+$1C00,y
sta VBASE+$1D00,y
sta VBASE+$1E00,y
sta VBASE+$1C00,y
sta VBASE+$1D00,y
sta VBASE+$1E00,y
+@L2: sta VBASE+$1F00,y
+ iny
+ cpy #$40
+ bne @L2
rts
; ------------------------------------------------------------------------
rts
; ------------------------------------------------------------------------
; ------------------------------------------------------------------------
; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).
; ------------------------------------------------------------------------
; SETDRAWPAGE: Set the drawable page. Called with the new page in A (0..n).