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<1…17181920212223…34>
  • Short Sinclair BASIC tutorialsHello, if anyone is new to Sinclair BASIC (the built-in ROM one) or feeling the need for a refresh there are (currently eleven) quick 'Under 5 m…

    ... "][quote="SKR;951270"]I learned BASIC from the book
    "30 ... Hour BASIC for the BBC microcomputer"
    Which I read over and ... over again before even touched a computer keyboard ...
    dmsmith dmsmith August 2019 BASIC
  • What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…

    ... sense in learning how to read the keyboard or move a sprite ... don’t know what a keyboard is or what it actually ... understand something at a very basic level before I can begin ...
    Ast_A_Moore Ast_A_Moore March 2020 Development
  • run statement clears dimensional arraysis there any way round this? id rather not type goto 1 all the time, to stop this

    ... 't affected by CLEAR, then read from those locations on running ... statements in your BASIC in that case, would be faster and far ...
    Luny Luny May 2020 Sinclair Basic
  • run statement clears dimensional arraysis there any way round this? id rather not type goto 1 all the time, to stop this

    ... 't affected by CLEAR, then read from those locations on running ... statements in your BASIC in that case, would be faster and far ... between runs though. Self modifying BASIC to store stuff in the ...
    Antiriad2097 Antiriad2097 May 2020 Sinclair Basic
  • Getting Better at TZXThere are possibly fewer "rules" in chit chat so I thought I would put this here. it is a couple of years since I attempted doing any TZX files so…

    ... I meant ,with my pretty basic Multifacing abilties, a simple button ... ?

    1)I could read the instructions .Can it be ... table . So maybe it is KEYBOARD only? ( no joystick controls for ... worked well with the "proper keyboard" of the +2 and had ...
    harriusherbartio harriusherbartio November 2020 Chit chat
  • New Spectrum ROM: Arcade Game DesignerIn the last few days I've completely rewritten the Spectrum ROM from scratch to include AGD. Some of the functionality from version 4.8 has been los…

    ... /> [quote="Timmy;972280"]I've read this text and I still ... of powering up with Sinclair BASIC, your Spectrum becomes a game ... 30%. And they can type faster ;)

    Vickers' ROM was ...
    jonathan jonathan November 2020 Announcements
  • New Spectrum ROM: Arcade Game DesignerIn the last few days I've completely rewritten the Spectrum ROM from scratch to include AGD. Some of the functionality from version 4.8 has been los…

    ... "][quote="Timmy;972280"]I've read this text and I still ... of powering up with Sinclair BASIC, your Spectrum becomes a game ... 30%. And they can type faster ;)

    Vickers' ROM was ...
    Timmy Timmy November 2020 Announcements
  • If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…

    ... trying to be crammed in, BASIC is SLOW. In fact, for ... all the code for screen, keyboard, sound, tape, microdrive, RS232, network ... the OS ROM routines.
    BASIC would then be in its ... routines and BASIC could have been programmed to run much faster.
    1024MAK 1024MAK February 2021 Hardware
  • Microdrive logic flow.Hi all, I've finally gotten my hands on an Interface 1 and Microdrive to continue my project, and have been analyzing the Microdrive with a logic …

    ... can work about 8 times faster, so then the load time ... Spectrum command-line or from Basic. Also a DOS style console ... ";8;"SHELL" might load a basic SHELL program to talk more ... on a SD card, then read and write them straight from ...
    cj7hawk cj7hawk June 2021 Hardware
  • Problem with Pasmo Assembler/Speccy emulator?I'm at the start of trying to learn Z80 assembly for the ZX Spectrum. I'm using Speccy 1.7 as my emulator, Pasmo as my assembler, and am following t…

    ... when you should see 3 basic lines.

    ... displays those three lines of basic that it mentioned, I ... 've never used the basic in the emulator until ... this picture of the keyboard of an actual ZX Spectrum ... they can enter a program faster this way, than by ...
    c354r_0x7cb c354r_0x7cb July 2021 Development
  • Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …

    ... /det/12269/LMT-68FX2-Keyboard-for-the-Spectrum/"]computinghistory. ... by Fox Electronics until I read this .

    ...
    The implemtation of the Keyboard BASIC is also a bit different ... bored" currently with this LMT keyboard , but the original owner ...
    harriusherbartio harriusherbartio August 2021 Hardware
  • One question...Is it all worth it?

    ... of making a game in Basic or any other language. The ... into Fuse using 128 mode Basic as its easier to do ... do it you need a keyboard overlay as the supplied graphic ... of the original keyboard is too damn small to read even at ...
    mik3d3nch mik3d3nch August 2021 Chit chat
  • Who's NEXT?How about having a category just for Spectrum NEXT owners? I got mine on Monday, its the original issue, plain jane and quite enough for me to ge…

    ... account to read them.

    For plain Sinclair basic there is ... chapter is on original Spectrum basic.

    These pdfs come ... % so that the machine runs faster by that amount. All the ... appears as if everything is faster. You want a 50Hz frame ...
    Alcoholics Anonymous Alcoholics Anonymous September 2021 Sinclair Miscellaneous
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... ... Basic games would still run. The Hobbit would have been much faster ... game RGB monitor, 640K, a keyboard and a 286 motherboard, and ...
    cj7hawk cj7hawk September 2021 Hardware
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... coprocessor, which the z280H could read directly via the bus. I ... Spectrum is retained for CPU/Keyboard etc) and a ZX Bus ... Loki due to it being faster. And unlike the 128 where ...
    cj7hawk cj7hawk October 2021 Hardware
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... about the membrane working much faster than 7MHz. The reason is ... a normal i/o read cycle to read the keyboard state. As cpu ... lines to drive the membrane faster. In the Spectrum Next, ... when the machine is running faster.

    * There are always ...
    Alcoholics Anonymous Alcoholics Anonymous October 2021 Hardware
  • ZX Spectrum keyboards : all and everything about them and how can the Speccy keyboard be improved? This discussion can include of all the main types of Spectrum keyboard from the past (inc addon / aftermarket) , their strengths and weaknesses , …

    ... even now... Sure, 48k basic runs slightly faster, but I didn't ... to the original built in keyboard and all in one concept ... preferring a system where the keyboard is treated as a replaceable ... build on the original Amstrad keyboard system, Ill point you to ...
    kgmcneil kgmcneil February 2022 Hardware
  • The "Kiddification" Continuum : "serious" 48k software versus "kiddified"128k software?Of course this is a gross simplification . The idea of a straight line continuum with "serious" 48k software on one side and "kiddified" 128k softwa…

    ... and-how-can-the-speccy-keyboard-be-improved/p3"]https://worldofspectrum ... and-how-can-the-speccy-keyboard-be-improved/p3[/url]
    BASIC was being increarsingly marketed as ... element of this ( Learn to Read etc) so because the change ...
    harriusherbartio harriusherbartio February 2022 Games
  • What Good Serious Successful Software Was Written Exclusively in 128K BASIC?I realize now that 128K BASIC has its serious enthusiasts . But I know very little about this type of BASIC . What good titles were written exclusi…

    ... keyboard entries would undoubtedly be able to knock up a basic ... listing far faster than a 128k ... />
    As for the keyboard stickers, you might be right ... targeting the Emulator PC keyboard users over 128k keyboard users... Personally, ...
    kgmcneil kgmcneil February 2022 Games
  • Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…

    ... $, MID$ and RIGHT$ of “standard” BASIC.

    Although not unique ... extra chip to process the keyboard data, in order to free ... lot better than the Microsoft BASIC on the Commodore machines, I ... if it was a bit faster (it’s actually embarrassing slow ...
    1024MAK 1024MAK March 2022 Sinclair Basic
  • Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…

    ... really convinced that Sinclair BASIC string splitting was better, ... limited by the number of keyboard keys.

    ... a lot of other BASIC dialects lacked was handle ... when you look at Locomotive BASIC on the CPC range, ... and runs a lot faster you can't help ...
    AndyC AndyC March 2022 Sinclair Basic
  • Easiest way to figure instruction lengthGiven a start address, what is the easiest way to find out instruction length at that address in Z80? I found [url="http://www.z80.info/decoding.htm"…

    ... "compiling" and tracking basic blocks. Basic block is a block ... is always FEh for reading keyboard ports
    Read_Keyboard_0:
    IN A,(C) ; Read the row of keys in ... /> IN A,(C) ; Read the row of keys in ...
    tstih tstih March 2022 Development
  • Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…

    ... sophisticated user. Just having the Basic commands visible was a tremendous ... to argue I could right BASIC code faster than them.
    But ... keywords right there on the keyboard is precisely how I got ...
    Gwyn Gwyn March 2022 Sinclair Basic
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... sprite8x8

    ; Read these ports to scan keyboard
    ; bit N ... , (#FE)
    ; to do the read of the port
    ; exit ... /> Press space to return to basic.

    The sprite8x8 routine ...
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... fetchan
    ret ; back to basic


    ; Print text ... />
    ;common words/tokens to read instead off numbers

    faster than the ROM routine if ...
    Paradigm Shifter Paradigm Shifter June 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... performance over doing this in Basic though I think :)

    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    ... /> ; not sure if this is faster than copying 1 reg at ...
    read_keyboard:
    ; Read these ports to scan keyboard
    ; bit N ... , (#FE)
    ; to do the read of the port
    ; exit ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    main, mainloop, read keyboard and update player

    [ ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... shift + space: return to basic. Originally had this as caps ... produce printable chars in basic in extended mode (they ... br /> ; scan all keys on keyboard into kbd_buff
    scankeys:
    in a, (c) ; read keyboard half-line
    cpl
    Paradigm Shifter Paradigm Shifter August 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ...
    SymShift+Space: Exit to basic

    [code]
    ; Console ... />
    ; scan all keys on keyboard into kbd_buff
    scankeys:
    .nexthalfline
    in a, (c) ; read keyboard half-line
    cpl
    Paradigm Shifter Paradigm Shifter September 2022 Development
<1…17181920212223…34>

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