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<1…16171819202122…34>
  • Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…

    BTW, I think most BASIC compilers still depend on the ROM routines so even if you compile it a slow ROM can result in slow code. Compiling a BASIC program does let it skip the parsing and searching for line numbers/variables which are very slow.
    JamesD JamesD September 2006 Sinclair Miscellaneous
  • SjASMPlus cross compiler of Z80 assembly languageHi! I want to present you cross-compiler of Z80 assembly language: [B]SjASMPlus[/B]. [SIZE="4"]Features:[/SIZE] [LIST] [*]Z80/R800 documented and un…

    ... return to BASIC, because his variables was not initialized.
    If ...
    aprisobal aprisobal September 2006 Development
  • Which would be fasterSay you want to use a variable value of 0 to 255 in a BASIC program, which way would be fastest? Say for arguments sake you wanted to use two variabl…

    ... POKE are generally faster than variables but make a program cryptic ... beautiful programs ever written.
    Variables have to be searched for ... alphabet so that the 'A' variables are never encountered in a ... search for 'B' variables. Again it would ruin the ...
    Geoff Geoff September 2006 Development
  • Which would be fasterSay you want to use a variable value of 0 to 255 in a BASIC program, which way would be fastest? Say for arguments sake you wanted to use two variabl…

    ... .
    I would still use variables though. If you are going ...
    Geoff Geoff September 2006 Development
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... . This was used for the IF2 cartridge thingy and by that ...
    Alcoholics Anonymous Alcoholics Anonymous October 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... . This was used for the IF2 cartridge thingy and by that ...
    JamesD JamesD October 2006 Sinclair Miscellaneous
  • Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.

    ... manual, the chapter entitled "system variables". This is the place to ...
    Dunny Dunny October 2006 Development
  • SjASMPlus cross compiler of Z80 assembly languageHi! I want to present you cross-compiler of Z80 assembly language: [B]SjASMPlus[/B]. [SIZE="4"]Features:[/SIZE] [LIST] [*]Z80/R800 documented and un…

    ... return to BASIC, because his variables was not initialized.
    If ...
    Dunny Dunny October 2006 Development
  • Programs detecting Spectrum modelsHi. I'm curious about knowing how some speccy games detect if they are runnning in a 128k or 48k model. What tricks can be used to make this in a Spe…

    ... -basic (hence not requiring system variables) version of woody's code ...
    icabod icabod October 2006 Development
  • Amazon SystemsIn the 1980s, my company, Amazon Systems, did quite a few Arcade to Home Computer conversions for Parker Games. The games Panama Joe and Death Star…

    ... /> Star Wars Death Star Battle (IF2 version)
    Montezuma's Revenge ... (IF2 version of Panama Joe)
    ...
    Gilby Gilby October 2006 Games
  • +3 Joystick interfaceI have just purchased a +3, never had one and I wanted to here the 128K music on my games. I know the built in JS ports are wired differently, so do…

    ... ROM carts plugged in tho - IF2 and the RAM Turbo specifically ... line etc) I doubt the IF2/RAM Turbo will work properly ...
    DEATH DEATH October 2006 Hardware
  • 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…

    ... to precomile the addresses of variables the same way if they ... of the program. Searching for variables and line numbers are two ...
    JamesD JamesD October 2006 Development
  • Alittle pic of the two different rubber key mats Grey and BlueAnd they are naked too :o Can someone please post a pic of one of the supposed faun coloured speccys i am desperate to see one :) [url]http://www.s…

    A very early Spectrum should have the very early manual.
    Check out page 176

    [url]http://gwearmouth.googlepages.com/p176.jpg[/url]

    which mistakenly uses ZX81 system variables in the final programs.
    Geoff Geoff November 2006 Sinclair Miscellaneous
  • Rst #38This, as far as I know, is the ROM procedure that does the keyboard check. (and, at the same time, is what's being executed by interrupt in IM 1 mode…

    ... /writing anything to/from system variables nor having any regard to ...
    S.9 S.9 November 2006 Development
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... " to set up the environment variables. Then you're ready to ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • 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…

    ... use arrays rather than numbered variables.
    Matt_B Matt_B November 2006 Sinclair Basic
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    it works fine if you use your supported commands. if you use unsupported ones eg. variables when I try to "RUN" a program, I get an error C, and your interpreter exits. (eg. to standart basic interpreter)
    Arda Arda November 2006 Development
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... availabe, so for tiny tests variables can be simulated,

    NotFound NotFound November 2006 Development
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... ]

    Now it has variables... limited to names of 1 ...
    NotFound NotFound November 2006 Development
  • Some things I bet you didn't know about Microdrives...Quote: This can be attached to any 16k, 48k, & 128k Spectrum Computer, it always for increased performance, and more detailed BASIC code. The Micro …

    ... use of the NMI system variables NMIADD but no Sinclair hardware ...
    Geoff Geoff November 2006 Hardware
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... /basizx/[/url]

    String variables.

    Now the errors ...
    NotFound NotFound December 2006 Development
  • TS2068 - SPECTRUM 48k Compatible Games ListHey guys... Follows the list. These are just the games I tested, there is still a long way ahead... As soon as more games are tested, their names w…

    ... basic uses more RAM for variables and hooks before PROG.
    Alcoholics Anonymous Alcoholics Anonymous December 2006 Games
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... already added LET command. So variables are supported now.
    Where ... do you store variables in memory map?

    Arda Arda December 2006 Development
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... already added LET command. So variables are supported now.
    Where ... do you store variables in memory map?
    [/QUOTE ... variable VARS point to the variables area. The way they are ... is the same (arrays and variables with more than one letter ...
    NotFound NotFound December 2006 Development
  • Bug in CONTINUE?I've found this anomaly in Spectrum Basic, but I don't remember have seen it in lists of ROM bugs: 10 FOR i=1 to 3 20 PRINT i 30 IF i=2 then PRINT a…

    ... made another test with no variables and no errors involved:
    NotFound NotFound December 2006 Sinclair Basic
  • Anyone have any pics of their collection?I'm an Atari 800XL owner and the main media that games were on for that were tape. Trouble is I've seen loads of pics on the net of peoples collectio…

    ... /> ZX Printer
    IF1
    IF2
    Microdrive
    Joystick
    NickH NickH December 2006 Games
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... save and load include the variables.

    load "b:" change ...
    NotFound NotFound December 2006 Development
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... the addresses of the system variables, actually is hardcoded but another ...
    NotFound NotFound December 2006 Development
  • New years resolutions (Spectrum)Spectrum related only please Mine to finally get into Jonathan Cauldwell's Anno Domini

    ... the API in your Form variables. If I remember right the ...
    Vampyre Vampyre December 2006 Chit chat
  • Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…

    ... C doesn't support static variables inside functions, just turn it ...
    Alcoholics Anonymous Alcoholics Anonymous December 2006 Development
<1…16171819202122…34>

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