If you see VERIFY ERROR, rewind your tape and try it again. If you still get VERIFY ERROR, save your program and start over. (Note: be sure to use music-quality low noise cassette tapes.) You can use any name you like for your program. Because your PET will only display 16 of the characters used in a program name, you'll probably want to keep the names short. even a third SAVE may prevent loss of your program and will prove to he worth the extra few minutes it takes to save and verify the extra copies. Using your cassette to load a program When you name your programs, remember that PET doesn't need to have the whole name typed on the keyboard in order to find it, when you ask PET to load it.
If you name your program "ROCKETSHIP", you may ask PET to LOAD - ROCK" and it will find the right pro gram and load it. This means you must he careful to avoid naming one program "ROCK" and another program on the same tape "ROCKET". PET won't know which is which, and will load the first program with the letters ROCK in its name. The built-in cassette drive in your PET computer is your easy access to a library of BASIC programs, either created by you or purchased from the extensive COMMODORE library. You do not need to incorporate the program name into the program itself. PET saves the program name in a file header when it saves the program, and that the only identification it looks for.
PET is like a pocket calculator in that it forgets everything when you turn the power off. (Remember what happens to time) That is why PET has a built-in cassette drive. Programs can be saved on tape before power is turned off. They may he restored to PET's memory when power is turned on again. This means you can save your program in small pieces as you write it. You may find it worthwhile to SAVE your work every 20 to 30 lines or so, to avoid losing it in event of a power failure. But, since you may not want to type the full program name each time, PET is designed not to REQUIRE: a name: Take a cassette, open the cover, and place the cassette in just as you would a normal audio cassette.
Do not push any cassette keys at [Ii is time. Type SAVE and press . PET will display Now, hold down the key. If you see: key and touch and release the and_ when you do so. PET will show And as soon as the program is saved, PET will add the word READY to the display. www.commodore.ca You may want to save your program more than once on the same tape to be sure you have a good copy. As cassette tapes age, they frequently stretch or wrinkle, especially at the ends. A second, or 32 33 I Free for personal use but you must have written permission to reproduce