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Apple-1-Integer-BASIC
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Add error message pointers

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James McClanahan 2021-05-02 10:30:34 -04:00 committed by GitHub
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@ -75,6 +75,34 @@ If we delete line 35 (the print statement) and run it again, we can see that the
So there the value -32,768 was not excluded on a whim. The limit of -32,767 is the result of how the unary negation operator interacts with the magnitude of the number in certain situations.
## Error Messages
| Pointer | Message |
|:-----:|:--------:
| 00 | ">32767" |
| 06 | "TOO LONG" |
| 0E | "SYNTAX" |
| 14 | "MEM FULL" |
| 1C | "TOO MANY PARENS" |
| 2B | "STRING" |
| 31 | "NO END" |
| 37 | "BAD BRANCH" |
| 41 | ">8 GOSUBS" |
| 4A | "BAD RETURN" |
| 54 | ">8 FORS" |
| 5B | "BAD NEXT" |
| 63 | "STOPPED AT " |
| 6E | "*** " |
| 72 | " ERR.\n" |
| 77 | ">255" |
| 7B | "RANGE" |
| 80 | "DIM" |
| 83 | "STR OVFL" |
| 8B | "\\\n" |
| 8D | "RETYPE LINE\n" |
| 99 | "?" |
## Credits and Recognition
First and most obvious, thanks to Steve 'Woz' Wozniak for creating Apple 1 Integer BASIC in the first place.