INTERCAL manual. The culprits have sensibly declined to identify themselves .) INTERCAL was inspired by one ambition: to have a compiler language which. Donor challenge: Your generous donation will be matched 2-to-1 right now. Your $5 becomes $15! Dear Internet Archive Supporter,. I ask only. The inventors of INTERCAL implemented it, had a few laughs, and quickly forgot about it. However, the language manual lived on. The documentation itself was.

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In particular, sequences of commands like DO.

If an INTERCAL expression has been translated from another language such as C, the optimiser manua generally capable of translating it back into something similar to the original, at least in base 2.

Note that reverse assignments can cause unpredictable behaviour if an attempt is made to reverse-assign the same variable twice in the same expression.

C-INTERCAL 0.29 Revamped Instruction Manual

The character-based input writes as many characters into a tail or hybrid array as will fit, one character in each element. Most likely, this means that the original code was better. This error can also be intercl if too many input files are specified on the command line; if you suspect this is the problem, split the compilation manua separate compilations if you can, or otherwise you may be able to concatenate together your input files into larger but fewer files. End-of-file reads a 0, which is padded with 0s rather than random data; if a non-end-of-file 0 comes in from the data, its padding will contain at least one 1.

The INTERCAL Resources Page

A breakpoint or the end of the program also end this. The manual also contains a ” tonsil “, as explained in this footnote: Views Read Edit View history.

To install them, just download and install the required packages: This error comes up if you use nonpositive or twospot values for a line label. You may include a translation of this License, and all the license notices in the Document, and any Intercxl Disclaimers, provided that you also include the original English version of this License and the original versions of those notices and disclaimers.


The two choicepoint stacks can add and remove mannual independently, but an attempt to Untercal BACK to before the current thread split off from any other threads that are still interacl instead causes the current thread to end, although it will GO BACK as normal if all other threads that split off from it or that it split off from since the top choicepoint of the stack was created have ended since.

Note that enabling it carries a run-time penalty, as it means that operand overloading code has to be generated for every variable in the program. For other syntax errors, though, the semantics are easily explained: You write Emacs modes for fun.

Subscripting a scalar variable is a syntax error, so there is no use for doing such an overload anyway. This command makes it possible to do this:. Displays a summary of what each command does. This “forgiving” feature makes finding bugs very difficult; it also introduces a unique system for adding program comments.

Try using the normal input and output mechanisms instead. When a command whose statement identifer contains MAYBE is reached, it is executed or not executed as normal, but in addition a choicepoint is created containing the program as it is at nitercal time. Note that if your program references the system library, then it counts as being appended to your program and so the program will run into the first line of the system library rather than cause this error.

End-of-file manaul to be written into the array. Whether the behaviour is self-abstention or self-reinstatement depends on whether the statement was initially abstained or not; a ONCE on an initially reinstated statement or AGAIN on an initially abstained statement indicates a self-abstention, and a ONCE on an initially abstained statement or AGAIN on an initially reinstated statement indicates a self-reinstatement.

Abandon All Sanity, Ye Who Enter Here

You may copy and distribute a Modified Version of the Document under the conditions of sections 2 and 3 above, provided that you release the Modified Version under precisely this License, with the Modified Version filling the role of the Document, thus licensing distribution and modification of the Modified Version to whoever possesses a copy of it. DO line NEXT branches to the line specified, remembering the next line that would be executed if it weren’t for the NEXT on a call stack other identifiers than DO can be used on any statement, DO is given as an example ; DO FORGET expression removes expression entries from the top of the call stack this is useful to avoid the error that otherwise happens when there are more than 80 entriesand DO RESUME expression removes expression entries from the call stack and jumps to the last line remembered.


When the argument is very complicated, this can save a lot of space in the original OIL program. Note that the Baudot is often longer than the corresponding character in other character sets due to the need to insert shift codes; for information on the extended Baudot character set, Character Sets. For more information, see Creating the Funge Library. The actual size of the value is what matters when counting its spots; so you can store the output of a mingle in a onespot variable if it happens to be less than or equal tofor instance.

I have no idea what happens if you use just 13 on an Apple computer on which that is the common newline convention.

The INTERCAL Programming Language Revised Reference Manual

Both covers must also clearly and legibly identify you as the publisher of these copies. Copyright C year your name. The only solutions to this are to simplify your program, or to make more memory available to the compiler. The first element in an array or array dimension is numbered 1.

It returns a value made by selecting certain bits of its first operand indicated by the second operand, and right-justifying them.

The usual way to work around this limitation is to interleave two constants together; see Mingle. This error should never happen, and if it does indicates a compiler bug. If you aren’t a hard-core hacker, you’d best surf right back where you came from now.