Commodore 16 User Manual page 15

Tne lour keys on the right side of
your keyboard (apart from the
rest of the keys) are specie)
function keys that let you save
time by performing repetitive
tasks with the stroke of Just one
key. The top of each key reads
,
12. t3, and HELP. You can
gel these functions by Just
pressing the key by itself. The
fronts of the keys read f4, f5, f6
and ft Press
SHIFT
and It, f2,
f3 and HELP. respectively. to get
these functions
f4
f2
/
f 5
\
f3
/ f6
1
HELP
f7
Here's what each key does.
Function Keys
the keys from BASIC programs, or change them at any firne in direct
mode A situation where you might want to redefine a function key Is
when you use a command frequently, and want to save time instead of
repeatedly typing in the command. The new definitions are erased
when you turn off your computer. You can redefine as many keys as
you want and as many times as you want.
The Help Key
When you make an error in a program, your computer displays an error
message to tell you what you did wrong These error messages are
further explained in the Appendices in the back of this manual
You
can get more assistance with errors by using the HELP key. After
an error message. press HELP to locale your error exactly. When you
press HELP, the line with the error is displayed on the screen with the
error flashing on and off. For example
KEY 1 enters one of the GRAPHICS modes when you supply the
number of the grapnics area and press
Ur= .
The
GRAPHICS command is necessary for giving graphics
commands such as CIRCLE or PAINT More on GRAPHICS in
Chapter 6
KEY 2 prints DLOAD"
on me screen. All you do is enter the program
name to load a program from disk and hit
Car
instead of
typing out DLOAD"
yourself.
KEY 3 lists a DIRECTORY of files on the disk in the disk drive.
KEY 4 clears the screen using the SCNCLR command.
KEY 5 prints DSAVE"
on the screen. All you do is enter the program
name to save the current program on disk and press .juntiet .
KEY 6 RUNs the current program
KEY 7 displays a LISTing of the current program.
KEY 8 (the HELP key) highlights errors in program statements in
flashing print.
?SYNTAX ERROR IN LINE 10
HELP
10 PRONT "COMMODORE
COMPUTERS"
Your computer displays this
You press HELP
•
The mistake is displayed flashing
on and off
You can redefine any of these keys to perform a function that suits your
needs. Redefining is easy. using the KEY command. You can redefine
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