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<1…12131415161718…34>
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... them frequently but what about Basic?

    If you have ... , and there`s lots of Sin and Cos`s etc etc ... `d be worth it in Basic, but I`ve always liked ...
    CKay CKay April 2005 Sinclair Basic
  • Looking for 'Your Computer' gravity simulation type inHi, In one of the old Your Computer mags, in the type in progs section near the back, there was a Speccy program which simulated interaction between…

    ... 'll test it on visual basic to see it on a ... *COS a3: LET v3y=v3*SIN a3
    100 REM Processing ... )
    150 LET f1y=fg12*SIN phi12*SGN (y2-y1)+fg13 ... (y3-y1): LET f2y=fg12*SIN phi12*SGN (y1-y2)+fg23 ... (y3-y2): LET f3y=fg13*SIN phi13*SGN (y1-y3)+fg23 ...
    Matt_B Matt_B November 2006 Sinclair Basic
  • Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…

    ... to write the following BASIC program which draws the ... www.wearmouth.demon.co.uk/BASIC/shapes.bas[/URL]
    BASIC/shapes.sna[/URL][/quote ... br /> 106 DRAW 70*SIN a,70*COS a,- ... br /> 115 DRAW r*SIN a,r*COS a, ... /> 116 DRAW -r*SIN a,-r*COS a,PI ...
    Marcelo Marcelo February 2007 Development
  • New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…

    [QUOTE=aowen;200626]Personally I think it's ugly as sin.[/QUOTE]
    Andrew, I have a lot of respect for the work that you've done on SE Basic and the Spectrum SE, but I was hoping for something a bit more constructive than these words.
    Paul van der Laan Paul van der Laan July 2007 Hardware
  • Vector`scan anyone give me any advice or a description of vector`s... don`t mean line drawing vector`s but directional vector`s, I think there called vector`…

    ... from north), then X = M * sin b, Y = M * cos b ... ever tried using them in Basic). You only have to look ...
    gasman gasman July 2007 Sinclair Basic
  • plotting and rotating wireframesCan anyone point me to an example of plotting a (2d) shape and rotating it in basic. Unfortunately my trig was never that good and I want to get a h…

    ... was time to write a basic program again. Here's an ... ,y
    830 LET sr=SIN (r)
    840 LET cr ...
    NotANumber NotANumber September 2007 Sinclair Basic
  • Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?

    ... B]ALWAYS[/B] faster than BASIC?[/QUOTE]

    ... I wrote a naive SIN algorithm in machine code ... ends up slower than BASIC's implementation using [ ... code. But Spectrum BASIC doesn't provide a ... br /> That said... Spectrum BASIC is optimised for size rather ...
    Philip Kendall Philip Kendall March 2008 Sinclair Basic
  • Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?

    ... If I wrote a naive SIN algorithm in machine code, it ... it ends up slower than BASIC's implementation using [url=http ... br />
    That said... Spectrum BASIC is optimised for size rather ... to write something slower than BASIC :-)[/QUOTE]

    Does ...
    zxspecticle zxspecticle March 2008 Sinclair Basic
  • Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?

    ... If I wrote a naive SIN algorithm in machine code, it ... it ends up slower than BASIC's implementation using [URL="http ... br />
    That said... Spectrum BASIC is optimised for size rather ... to write something slower than BASIC :-)[/quote]

    Well ...
    Dr BEEP Dr BEEP March 2008 Sinclair Basic
  • Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?

    ... . If I wrote a naive SIN algorithm in machine code, it ... it ends up slower than BASIC's implementation using [url=http ... .)

    That said... Spectrum BASIC is optimised for size rather ... to write something slower than BASIC :-)[/QUOTE]

    Bah, ...
    Metalbrain Metalbrain March 2008 Sinclair Basic
  • BASIC Keyword ReferenceHi. I do most of my ZX work on a grey-case +2 which, as we all know, is devoid of most of the 48k BASIC keywords (it has LOAD and stuff, but not much…

    ... welcome:
    [CODE]SINCLAIR BASIC Keyword Reference

    devices, 48k BASIC has generally become the ... Keypress

    Sinclair BASIC has several modes of entry ... SGN : E : F
    SIN : E : Q
    SQR ...
    icabod icabod March 2008 Sinclair Miscellaneous
  • Please help an absolute novice with some simple(ish) programming.I'm very, very rusty at BASIC. I'm using BASin, for my GCSE Astronomy coursework [quote] Use a spreadsheet and/or a graphing package, or write a com…

    ... to create elipse in Spectrum Basic but you can write in ... I will assume it is basic.

    An elipse has ...
    30 PLOT X+ R*SIN I,Y+R*COS I ...
    30 PLOT X+ Haxis*SIN I,Y+Vaxis*COS I ...
    Ralf Ralf December 2008 Sinclair Basic
  • Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…

    ... to start in 2D. The basic formula for rotation around axis ... /> x' = x * cos(angle) + y * sin(angle)
    y' = y * cos ... (angle) - x * sin(angle)

    Please, DO ...
    baze baze January 2009 Development
  • Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…

    ... to start in 2D. The basic formula for rotation around axis ... x' = x * cos(angle) + y * sin(angle)
    y' = y * cos ... (angle) - x * sin(angle)

    [/QUOTE]
    SIN (angle)
    170 LET ... y1=t(x,1)*SIN (angle)+t(x,2)* ...
    Arda Arda January 2009 Development
  • Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…

    ... we have to generate a sin/cos table to avoid floating ... math. It will remove the sin/cos calculation though which will ... is even possible under ZX BASIC - it doesn't differentiate between ... when you generate your own sin/cos tables you really don ...
    evilpaul evilpaul January 2009 Development
  • Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…

    ... is even possible under ZX BASIC - it doesn't differentiate between ... Taylor (well, Chebyshev) series for SIN and COS should help though ... use precalculated tables even in BASIC. Maybe something along the lines ...
    baze baze January 2009 Development
  • Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…

    ... with basic here's a version that pre-calculates the sin and ... radians: LET r(b,4)=SIN radians
    1070 LET b ...
    Saboteur Saboteur January 2009 Development
  • How do you start?ok just humour me, ive always wanted to code but never got round to it apart from the real basics ie:- 10 print "hello" 20 print 30 goto 10 i coul…

    ... complicated maths (say tables of sin, cos and tan) or find ... have got some of the basic (no pun intended) ideas and ...
    ADJB ADJB January 2010 Development
  • tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …

    ... get a copy of ZX BASIC, and also look at the ... 't want to use a basic compiler, the asm library folder ... hear from you). All the basic operations are laid bare in ... a fast square roots, fast sin (and thus cosine and tangent ...
    Gedlion Gedlion March 2010 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... over again to do the basic requirements for you. You should ... calculating velocity, gravity, rotation and SIN/COS
    20 - A fast ...
    ASM ASM October 2010 Development
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... been fascinated by those small BASIC routines that generate patterns (there ... /> 80 LET v=y+r*SIN (t+i*2*PI/n ...
    Meurglys68 Meurglys68 October 2010 Sinclair Basic
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... isn't related to Speccy BASIC (much), but your first algorithm ... ):
    LET v=y+r*SIN(t+i*2*PI/n ...
    Dunny Dunny October 2010 Sinclair Basic
  • Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…

    ... not supported the way Sinclair BASIC does for the reason ... /> If the user enters "2 * SIN x", this expression is parsed ... and so ZX BASIC does.

    ZX BAsic implements FreeBasic INPUT ... Syntax (closer to the original BASIC) can be implemented, but people ...
    boriel boriel February 2011 Development
  • Fast LogsAnyone know of a fast ln function I can steal? The ROM function seems to be hideously slow. I wrote a look-up table dirty and less accurate sin func…

    ... you'd expect from a basic ROM.

    I'm ... these (for example, I did sin as a fast and near ... />
    But if the SE basic ROM uses the calculator better ...
    Gedlion Gedlion March 2011 Development
  • Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …

    ... is functionally compatible with SE Basic 2.21 ([url]http://www ... :
    [code]LOAD, CODE, RUN, SIN, COS, TAN, ASN, ACS[/code ...
    chev chev April 2011 Sinclair Basic
  • Hi there ;) New development groupHi everybody! I'm Baron Ashler, founder and member of a new very little development group called "Kabuto Factory" and this is my first post ;) We'v…

    ... Beep;538287]Games in compiled Basic can be very good or ... or Beyker Soft's compiled Basic titles. My first "serious" game ... , es un proyecto peque?o, sin el nivel de los maravillosos ... Beyker Soft en cuanto a basic compilado se refiere, pero est ...
    Baron Ashler Baron Ashler May 2011 Development
  • BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…

    No, it's an ordinary loader. And an ordinary Speccy screen. It's just less than 3K, is all.

    I've just had to optimise the BASIC loader too, since it starts with CLEAR 24005, so it's full of INK SIN PI : PAPER SIN PI etc.
    joefish joefish August 2011 Development
  • BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…

    ... just had to optimise the BASIC loader too, since it starts ... 's full of INK SIN PI : PAPER SIN PI etc.[/QUOTE]
    R-Tape R-Tape August 2011 Development
  • Technical Help Forums - Am I expecting too much?A common problem I observe when on technical forums for programming questions is arrogance. I really hate it when you ask e a simple question, but …

    ... you really needed was the basic "How do I position a ... /> 2) You committed the cardinal sin of saying "Don't tell ...
    AndyC AndyC November 2011 Chit chat
<1…12131415161718…34>

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