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  • using the ROM's FP calculatorIs it possible to use the ROM's FP calculator to evaluate any FP expression in a single sequence of commands without breaking out to stack some other…

    ... use the ROM's FP calculator to evaluate any FP expression in a ...
    Battle Bunny Battle Bunny March 2012 Development
  • Back to BASIC[U][B]Archaeology guide to programs compiled used MCODERII.d[/B][/U] After various people have been talking about "Frank'n'stein" I decided to finis…

    ... value we use the ZX FP calculator
    RST 40 ; 28054 239 ...
    Jimmy Jimmy May 2011 Development
  • Best mag to learn programming Machine CodeDear all, Back in the day, I was a Crash reader; I loved it. However, not having the money to buy the other big two mags on offer in the UK, I was n…

    ... particularly recommend the Machine Code Calculator series, which gives detailed instructions ... ; use of the ROM's FP calculator.

    These three machine ...
    Battle Bunny Battle Bunny January 2012 Sinclair Miscellaneous
  • using the ROM's FP calculatorIs it possible to use the ROM's FP calculator to evaluate any FP expression in a single sequence of commands without breaking out to stack some other…

    ... use the ROM's FP calculator to evaluate any FP expression in a ... is only used by PRINT-FP

    You can have ...
    Geoff Geoff March 2012 Development
  • using the ROM's FP calculatorIs it possible to use the ROM's FP calculator to evaluate any FP expression in a single sequence of commands without breaking out to stack some other…

    ... use the ROM's FP calculator to evaluate any FP expression in a ...
    antoniovillena antoniovillena March 2012 Development
  • Graph Plothi! please, help with code: [PHP]For x=-100 To 100 For y=-100 To 100 If (x/2-25)*(x/2-25)+(y-50)*(y-50)<200 Or (x/2+25)*(x/2+25)+(y-50)*(y-50)<200 th…

    ... quickly by not using the FP calculator but I expect that it ...
    Battle Bunny Battle Bunny November 2012 Development
  • Graph Plothi! please, help with code: [PHP]For x=-100 To 100 For y=-100 To 100 If (x/2-25)*(x/2-25)+(y-50)*(y-50)<200 Or (x/2+25)*(x/2+25)+(y-50)*(y-50)<200 th…

    ... to assembler by using the FP calculator as it has functions directly ... the same picture as the FP calculator version.

    In that ... ; whereas in the BASIC and FP versions fractions will be preserved ...
    Battle Bunny Battle Bunny November 2012 Development
  • Unravelling the Spectrum Floating Point Number formatHi Guys, In my head I pretty much understand how the Spectrum's 5 byte FP number format works. The first byte is the signed exponent and the follow…

    ... -comp/mccalc.zip]Machine Code Calculator[/url] articles, which include a ... 1000 : decimal to FP
    * RUN 2000 : FP to decimal
    * RUN ... 3000 : decimal to FP & calculator "stack ...
    Battle Bunny Battle Bunny March 2013 Sinclair Miscellaneous
  • Game from an ancient old calculatorOne for the mathematicians, this (possibly). Bear with me on this one... Many, many years ago, when I was a nipper, I had a Casio calculator which …

    ... nipper, I had a Casio calculator which was also equipped with ... the original game on the calculator, it was always possible to ...
    The Mighty Dopethrone The Mighty Dopethrone April 2004 Games
  • the exploding calculator?!hi i am trying to find out a little bit more about the sinclair pocket calculator and a story i heard which involved one exploding in the pocket of …

    ... more about the sinclair pocket calculator and a story i heard ...
    falloa falloa July 2005 Sinclair Basic
  • FP Calc QuestionWhen using the FP Calc (RST 28h) to perform a subtraction how do you find out what the sign of the result is? ie. +/-. For example if I stack two va…

    When using the FP Calc (RST 28h) to perform ...
    dmsmith dmsmith March 2006 Development
  • Sinclair Cambridge Scientific CalculatorHi, Been having a clear out and I found this neat little calculator to sell. Thought I would let you guys know about it. [URL="http://cgi.ebay.co.u…

    ... I found this neat little calculator to sell. Thought I would ...
    MackTheKnife MackTheKnife July 2006 Sales
  • SPECTRUM Amplifier and Calculator for saleI am selling on Ebay a Sinclair President Calculator and a Sinclair Project Sixty amplifier if anyone is interested. The Links are below. Amplifier…

    ... on Ebay a Sinclair President Calculator and a Sinclair Project Sixty ... ;rd=1[/url]

    Calculator:
    [url]http://cgi.ebay ...
    Scottie_uk Scottie_uk August 2006 Sales
  • Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…

    ... , and getting stuck into the calculator routines. But before I do ... : integer plus integer, FP plus integer, integer plus FP, FP plus FP. (Well, to ...
    gasman gasman October 2006 Development
  • TI calculator gaming...There's some dedicated people out there. Maybe this is old news, but I had no idea someone was converting modern games to monochrome versions in Z80 …

    ... played on an 8-bit calculator.

    [url]http://www ...
    zxbruno zxbruno January 2009 Development
  • Need a pointer to using the spectrum calculator from MCHi all, Can anyone point me to a good resource on using the spectrum calculator stack from machine code? I need to work out the number of seconds f…

    ... resource on using the spectrum calculator stack from machine code?
    calculator (to me anyway!)

    dickydodds dickydodds February 2009 Development
  • CALCULATOR on ZXExist any calculator for ZX Spectrum ? I find only this version: [url]http://velesoft.speccy.cz/other/kalkulacka.sna[/url] [img]http://velesoft.spe…

    Exist any calculator for ZX Spectrum ?

    ... [/img]

    I need calculator with HEX/BIN/DEC modes ...
    velesoft velesoft February 2009 Development
  • logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…

    ... commands needed for the ROM calculator to evaluate a logical expression ... logical expression and output the calculator commands, with an option to ...
    Battle Bunny Battle Bunny September 2010 Development
  • Sinclair calculator reverse-engineered[url]http://files.righto.com/calculator/sinclair_scientific_simulator.html[/url]

    [url]http://files.righto.com/calculator/sinclair_scientific_simulator.html[/url]
    mjwilson mjwilson August 2013 Sinclair Miscellaneous
  • Reverse engineering Sinclair's 1974 calculatorInteresting read: [url]http://files.righto.com/calculator/sinclair_scientific_simulator.html[/url]

    Interesting read:

    [url]http://files.righto.com/calculator/sinclair_scientific_simulator.html[/url]
    Vanamonde Vanamonde September 2013 Sinclair Miscellaneous
  • ROM Calculator TrigHello, These Christmas holidays I finally have time to devote myself a little to the speccy . I have a question about how the ROM calculator implem…

    ... question about how the ROM calculator implements cosine.

    I ...
    rtunes rtunes December 2014 Development
  • "ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…

    ... he showed us an RPN calculator program he'd written on ... ago could write an RPN calculator program, why couldn't I ... bit ambitious to make a calculator with all the scientific functions ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Basic
  • Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…

    ... : integer plus integer, FP plus integer, integer plus FP, FP plus FP. (Well, to ... some mc programs using the calculator would have constructed integers directly ...
    Alcoholics Anonymous Alcoholics Anonymous October 2006 Development
  • Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…

    ... some mc programs using the calculator would have constructed integers directly ... /> Yep, sure... all of my calculator routines will at least have ... as long as FP-TO-A and FP-TO-BC behave correctly ...
    gasman gasman October 2006 Development
  • The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…

    ... the graphic routines, the calculator using the FP Unit, 32bit code etc ...
    Dunny Dunny November 2006 Emulators
<1234567…34>

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Related Threads

  • using the ROM's FP calculatorIs it possible to use the ROM's FP calculator to evaluate any FP expression in a single sequence of commands without breaking out to stack some other…
  • Game from an ancient old calculatorOne for the mathematicians, this (possibly).<br /> <br /> Bear with me on this one...<br /> <br /> Many, many years ago, when I was a nipper, I had a…
  • Sinclair Calculator TV AdvertI recently come across this old Sinclair advert on a tape I got sent, not sure if it covers this site but it's very interesting to see anyway!<br /> …
  • the exploding calculator?!hi <br /> i am trying to find out a little bit more about the sinclair pocket calculator and a story i heard which involved one exploding in the pock…
  • FP Calc QuestionWhen using the FP Calc (RST 28h) to perform a subtraction how do you find out what the sign of the result is? ie. +/-.<br /> <br /> For example if I …
  • Sinclair Cambridge Scientific CalculatorHi,<br /> <br /> Been having a clear out and I found this neat little calculator to sell. Thought I would let you guys know about it.<br /> <br /> [U…
  • SPECTRUM Amplifier and Calculator for saleI am selling on Ebay a Sinclair President Calculator and a Sinclair Project Sixty amplifier if anyone is interested.<br /> <br /> The Links are below…
  • Sinclair Wrist CalculatorAny one got one of these gizmos?<br /> <br /> [url]http://www.youandyesterday.co.uk/articles/Image:Sinclairwristcalc.jpg[/url]
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