Clear bottom line when scrolling.

Fix provided by Jeff Tranter.

diff --git a/libsrc/osic1p/cputc.s b/libsrc/osic1p/cputc.s
index 47969df152d66c12cb364259ca8418ef1621f94a..058964573190ae7df27ff00157aa9bc039a4237f 100644 (file)
--- a/libsrc/osic1p/cputc.s
+++ b/libsrc/osic1p/cputc.s
@@ -58,6 +58,12 @@ scroll: lda     SCRNBASE+$00A5,x
         sta     SCRNBASE+$0285,x
         inx
         bne scroll
+bottom:
+        lda     #' '            ; Clear bottom line of screen
+        sta     SCRNBASE+$0385,x
+        inx
+        cpx     #SCR_LINELEN+1
+        bne     bottom
 
 plot:   ldy     CURS_Y
         lda     ScrLo,y