Clear bottom line when scrolling.

Fix provided by Jeff Tranter.
2025-01-10 19:29:45 +00:00 · 2015-02-23 19:06:22 +01:00 · 2015-02-23 19:06:22 +01:00 · 73ae95bd1c
commit 73ae95bd1c
parent 7a975fa182
1 changed files with 6 additions and 0 deletions
--- 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