Merge branch 'c1p_kbhit' into c1p_scrsize

diff --cc libsrc/osic1p/cputc.s
index 9f3ff0dc052c1fa1340d265cbcfe8df925cb0280,4e16e92df0db8deb979cc629185749d88baede49..e4416682ad831230480c70567c5ec47c9289811e
--- 1/libsrc/osic1p/cputc.s
--- 2/libsrc/osic1p/cputc.s
+++ b/libsrc/osic1p/cputc.s
@@@ -58,11 -58,12 +58,12 @@@ scroll: lda     SCRNBASE+$00A5,
          sta     SCRNBASE+$0285,x
          inx
          bne scroll
- bottom:
+ 
          lda     #' '            ; Clear bottom line of screen
+ bottom:
          sta     SCRNBASE+$0385,x
          inx
 -        cpx     #SCR_LINELEN+1
 +        cpx     #SCR_WIDTH
          bne     bottom
  
  plot:   ldy     CURS_Y