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<1234567…34>
  • BIN shorter than NOT PI?Some time ago I checked many loaders and want to ask why coders are using BIN and not NOT PI? NOT PI is only 2 Bytes, BIN would be better if it would…

    ... coders are using BIN and not NOT PI?
    NOT PI is only 2 Bytes ... code. But memory saving is not possible with BIN.
    I ...
    LCD LCD June 2009 Sinclair Basic
  • More random questionsWay back in the mists of time I remember reading a couple of articles in an ancient copy of Sinclair User, ZX Computing or the like (can't remember w…

    ... line 0 so it could not be deleted. What was this ... such commands as SGN PI instead of 1, NOT PI for 0 and ... INT PI for 3. Can anyone ...
    The Mighty Dopethrone The Mighty Dopethrone July 2003 Games
  • Important for Game/Demo DevelopersHello Spectrum-friends, I just finished our new Disc-Magazine SCENE+ with newest games, demos, graphics and sounds from the Spectrum Scene. However,…

    ... example PAPER 0) with NOT PI (so PAPER NOT PI)
    - exchange any ... one with SIGN PI, so INK ...
    3. Use filenames. Do not write something like LOAD "" CODE ... />
    Unfortunately we do not support at the moment other ...
    Speccyman Speccyman April 2008 Development
  • Speeding up select processing...Hi Folks, I have the following code in my program and it works fine but is rather "sluggish". I have even moved it to the beginning of the program …

    ... the program but it does not make much difference.

    340 OVER NOT PI:
    LET s$="":
    POKE ... ]- if the key pressed is not left/right/up/down and ... [/B]- if left/right has not been pressed then go to ...
    Paddy Coleman Paddy Coleman June 2011 Sinclair Basic
  • Generating a constant of 2?Hi Folks, Through "The Wizard of WOS" I learnt that you can generate constants as follows: [B]NOT PI=0 SGN PI=1 INT PI=3[/B] Is there a quick way …

    ... />
    [B]NOT PI=0
    SGN PI=1
    INT PI=3[/B ... ]COS[/B] etc. with [B]PI[/B] but none seem to ... from [B]INT PI-SGN PI[/B] which does not save me anything ...
    Paddy Coleman Paddy Coleman February 2012 Sinclair Basic
  • Computer Haiku (converted from C64)[url=https://archive.org/details/Computer_Haiku_1983_CES]Here's the original C64/PET program - "Computer Haiku" by Commodore Educational Software, 19…

    ... ZX81 trick of using NOT PI, SGN PI, INT PI and a ton of ...
    The Mighty Dopethrone The Mighty Dopethrone September 2020 Sinclair Basic
  • Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …

    ... BIN as 0 (zero), use NOT PI! I testet it with a ... . Some "Crackers/Hackers" do still not know this, they are just ...
    LCD LCD August 2002 Sinclair Miscellaneous
  • Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …

    ... a reader's program using NOT PI, and saying he could have ...
    Alessandro Tommasi Alessandro Tommasi August 2002 Sinclair Miscellaneous
  • Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …

    Some usefull short numbers

    [code]
    -1 : COS PI
    0 : NOT PI
    1 : SGN PI
    > 1 : SQR PI
    3 : INT PI
    > 6 : PI+PI
    > 9 : PI*PI
    >36 : PI^PI
    [/code]
    Dr BEEP Dr BEEP August 2002 Sinclair Miscellaneous
  • Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …

    ... 00| 0D
    10 PRINT NOT PI
    _________________________________
    l-num ... | l-len| PRINT| NOT| PI| Cr
    a0 00| 04 ...
    JHutcheson JHutcheson August 2002 Sinclair Miscellaneous
  • Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …

    ... less memory. Let A =SGN PI is better still...I think ... loads more ie. LET A =NOT PI (a=0) etc......

    BadBeard BadBeard April 2003 Sinclair Basic
  • Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …

    The use of VAL / NOT PI etc... is slower!
    The ...
    Dr BEEP Dr BEEP May 2003 Sinclair Basic
  • Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …

    ...just one thing, it's not NOT PI that one should use to represent '0', but rather BIN, as it saves an extra byte. :)
    Alessandro Tommasi Alessandro Tommasi May 2003 Sinclair Basic
  • Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …

    ... most of the crackers did not realised this... After BIN you ... storage format, for faster calculations. NOT PI is still the smallest representation ... a variable.
    LET o=NOT PI
    PRINT o
    Okay ...
    LCD LCD May 2003 Sinclair Basic
  • Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …

    Handy thread, this. So...

    0 = NOT PI
    1 = SGN PI
    2 = VAL "2"
    3 = INT PI

    Is there a better one for 2?
    What about 4?



    [ This Message was edited by: trellis on 2003-06-06 14:13 ]
    trellis trellis June 2003 Sinclair Basic
  • More random questionsWay back in the mists of time I remember reading a couple of articles in an ancient copy of Sinclair User, ZX Computing or the like (can't remember w…

    ... BIN. Check it out...
    NOT PI is the shortest representation of ...
    LCD LCD July 2003 Games
  • More random questionsWay back in the mists of time I remember reading a couple of articles in an ancient copy of Sinclair User, ZX Computing or the like (can't remember w…

    ... commands as SGN PI instead of 1, NOT PI for 0 and ... INT PI for 3. ... execute faster than BORDER NOT PI. You may not notice it but ... INT ( RND*50 - ( SGN PI*INT ( PI ) - RND*5))
    30 ... of the dumb ( well not always dumb but irritating when ...
    Amigo Amigo July 2003 Games
  • Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …

    ... ( a game for instance ) or not ( a database program or something ... /s you defined with your not pi or whatver, youll save memory ... at normal speed. but constant not pis, sgn pis, etc etc ...
    Amigo Amigo July 2003 Sinclair Basic
  • BASIC OptimisationsOk, BASin is maturing fast and now I want to add some more special "stuff". A guy called Chris requested by email that I include a REM killer, to s…

    ... to constants such as INT PI, NOT PI, SGN PI which I'm sure ...
    cyborg cyborg June 2004 Development
  • BASIC OptimisationsOk, BASin is maturing fast and now I want to add some more special "stuff". A guy called Chris requested by email that I include a REM killer, to s…

    ... as 0 become NOT PI, 1 SGN PI, 3 INT PI etc... and all ...
    Mr. Anonymous Mr. Anonymous June 2004 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... " or things like NOT PI for 0 or SGN PI for 1.
    not work as any program line ... Basic system and generally should not be POKEd. However, some of ...
    na_th_an na_th_an April 2005 Development
  • Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…

    ... tend to RANDOMIZE USR NOT PI.

    POINT - Not that useful, I ...
    emleymoor emleymoor July 2006 Sinclair Basic
  • Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…

    [QUOTE=Philip Kendall]Ummm... wouldn't just "Press any key at exactly 09:30" and INKEY$ be easier?[/QUOTE]

    Not when you've got a cat walking about... and PAUSE NOT PI would be better than waiting for INKEY$ not to be empty.
    emleymoor emleymoor July 2006 Sinclair Basic
  • Sintech titles no longer denienced!8 years after the initial denience ( June 1998 ), the 3 Ultrasoft titles that [URL="http://www.worldofspectrum.org/infoseekpub.cgi?regexp=Sintech"]Si…

    ... denote it's a number (not sure 'bout that). Storing it ... bytes. Other savings are using "NOT PI" instead of 0 (saves 8 ...
    icabod icabod July 2006 Games
  • ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…

    ... arguement.
    [/QUOTE]

    Not me. The original requirement ruled ... , addressing this issue, should not be in the form of ... Note that your proposal is not helping us in what we ... 3 LOAD "" SCREEN$ : PAUSE NOT PI : GOTO PI which must work with them...
    zilog zilog July 2006 Emulators
  • ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…

    ... of such an OS) does not satisfy this goal.

    not conforming to the ZXLFN spec ... 3 LOAD "" SCREEN$ : PAUSE NOT PI : GOTO PI[/quote]
    the BASIC program ... as long as I'm not forced down that route.
    gasman gasman July 2006 Emulators
<1234567…34>

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