Bouncing Ball - Commodore VIC-20 User Manual

Try the PRINT statement directly. Type it into the VIC. Does the
screen clear?
Yes1
" Works in the
immediate mode
Now, mess up the screen. Put some birds, characters, numbers,
and graphics symbols all over the place. When your screen is
sufficiently full, type this line:
PRINT"
Did you notice a difference from before with the other PRINT
statement? Yes, this time the cursor went home but the screen
did not clear. If you don't press the ■■• si i key while typing
into the message field, the reverse S image appears
instead of the heart. The reverse S tells the VIC to home the
cursor, but do not erase the screen.
Type:
BOUNCING BALL
Clear the screen and enter the following into the VIC:
(Press | i,.,u | after typing each line.)
NEW
1 PRINT"