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Re: A BASIC interpreter to run StarTrek

by roboticus (Chancellor)
on Aug 11, 2021 at 14:07 UTC ( [id://11135788]=note: print w/replies, xml ) Need Help??


in reply to A BASIC interpreter to run StarTrek

GrandFather:

Very fun! I had created a version of Star Trek to run on a 4K TRS-80 with Level II BASIC back in the stone age. In order to make it fit, I had to keep cutting bits out, and I eventually called it "RandoTrek" because there was so little storage available I had to randomly generate each sector on demand. (I still remember "3284 bytes free" as the amount of RAM I had until I could afford the 16K upgrade.)

Anyway, I just wanted to mention that I had to change the chomp statement to s/\r?\n// because the line endings on the BASIC program were CR+LF and cygwin perl was expecting LF. That caused the interpreter to fail when trying to branch to line "1200\r". I've not played the game yet, as I'm at work now, but at least that let me get to the first COMMAND prompt. I'll likely give it a go on my lunch break. ;^)

...roboticus

When your only tool is a hammer, all problems look like your thumb.

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Re^2: A BASIC interpreter to run StarTrek
by GrandFather (Saint) on Aug 11, 2021 at 21:47 UTC

    Those were pretty insane days, and a lot of fun!

    Thanks for the heads up about the line endings issue. Now fixed as suggested.

    Note that I left a srand 1; in the code which I'd been using while debugging to get a consistent game world. Probably best to comment that out.

    Maybe of interest is that the interpreter provides support for TRACE statements (see ParesTrace for usage hints) and break statements (that break into the debugger) - just in case you feel inclined to do a little exploration.

    Optimising for fewest key strokes only makes sense transmitting to Pluto or beyond

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