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Shadow
Account closed
Registered: Apr 2002
Posts: 355 |
Can't the LOAD command be used in a basic program?
1 LOAD"ROUTINE",8,1
2 SYS 49152
RUN
Ends up in a endless loop, so I guess it doesn't do what I expect it to do...
(This may seem stupid, but it would be very handy for me when crossdeving for the DTV, as I need to load the files from 64HDD all the time, with this I could just do "run" to load the lastest routine from disk and execute) |
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Oswald
Registered: Apr 2002
Posts: 5094 |
Jack, right. |
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WVL
Registered: Mar 2002
Posts: 902 |
Quote: "with this I could just do "run" to load the lastest routine from disk and execute"
Does this imply that a new RUN actually resets all basic vars to 0?
I.e.
RUN => Reset vars and restart program
LOAD => Only restarts program
?
/Andreas
yes. you can get around it with CONT i think.. (of maybe you had to use GOTO, can't remember) |
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Oswald
Registered: Apr 2002
Posts: 5094 |
I have coded a lot in basic, and I dont remember ever finding that cont does its job. It ended up always in "?cant continue". To go a bit off topic, you could do some nice tricks with basic. For example you could print new program lines on the screen, then fill the keyboard buffer with some 'returns'. Then put the cursor at the right place exit the program, and let the system and the 'returns' in the keybuffer add the new lines to your program, which were ended with a run 'linenumber'. ;) worked like a charm for generating DATA lines automagically. |
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enthusi
Registered: May 2004
Posts: 677 |
not THAT much harder to poke them into memory, including the data-token and the new basic-end. |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
@Oswald: You cannot continue if the BASIC-program has been changed. If you just change variables or just LIST etc you can continue. |
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TDJ
Registered: Dec 2001
Posts: 1879 |
Quote: :PPP right I am...
devia, I was ofcourse way too rude, just please dont explain one of the most simplest basic programs in the universe.
the key was that the program restarts, but there's no variable reset. An in depth ROM dissecting explanation on this would be welcome.
One of the 'most simplest' (sic)? There's not even a "Hello wolrd" in there! |
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enthusi
Registered: May 2004
Posts: 677 |
this one is so much nicer :)
0 poke55,138:poke56,228:clr
1 a$="ibm"
2 b$="macintosh"
3 print a$;"+";b$;"=";a$+b$ |
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Mace
Registered: May 2002
Posts: 1799 |
Hahaha, this one is cool! :) |
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Shadow
Account closed
Registered: Apr 2002
Posts: 355 |
Yeah, that was an unexpected program behavior. Cool! Now how does it work?? |
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AüMTRöN
Registered: Sep 2003
Posts: 44 |
I'm not completely sure how it works, but $37/38 (highest addr used by basic) is being set to $e48a. If you look at the ROM below $e48a it has the string "COMMODORE 64" (part of the startup text). I also think the length of the string "IBM"+"MACINTOSH" has something to do with it.
Anyone? :) |
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