Comments (4)
The reference interpreter will store the value as a signed char, i.e. -95, but there is a wide variation in behaviour by other interpreters. Some use signed values, some use unsigned, and they can range from 8 bits to unbounded.
from befunge-93.
Thanks for the clarification. I'm guessing it's not against the specification to use a signed long
to store your code? (That's what I've done in my interpreter)
from befunge-93.
The specification just refers to the playfield cells as "characters", which leaves some room for interpretation, but a signed long seems a bit of a stretch. Also, speaking as a Befunge programmer, I personally prefer interpreters that match the behaviour of the reference interpreter exactly, since it makes it easier to write portable code.
That said, nobody is going to stop you doing things your own way. Plenty of other interpreters have done the same thing. Just bear in mind that your interpreter may then not be able to run some Befunge code that relies on the reference behaviour. As a compromise, you could always have an option in your interpreter to be more standard compliant.
from befunge-93.
That's a good idea. I'll add a command line switch to disable all custom features (I've added a few instructions, such as a primitive jump that I'll also disable).
from befunge-93.
Related Issues (16)
- audit befprof and bef2c HOT 2
- Audit compilability HOT 1
- Support compiling on MSVC HOT 5
- I/O fails in debug mode when CONSOLE not defined HOT 4
- Typos in the documentation HOT 1
- Missing/incorrect authors for the example programs HOT 3
- put more example programs under (explicit) permissive license HOT 13
- Examples that don't appear to work HOT 18
- signedness of char HOT 2
- Debugger never leave loops? HOT 1
- Get GitHub to display the languages used in this repo less incorrectly HOT 1
- Fix for bridgeit.bf HOT 1
- Acknowlage the existence of infinite grid interpreters? HOT 3
- Commands misnamed in Appendix A HOT 2
- Strange behaviour of & command on invalid input and end-of-file HOT 2
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