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<1…16171819202122…34>
  • Spectrum 48k video and keyboard issueHi all, few days ago I experimented with battery supply for my speccy (48k issue 2), and I was measuring the voltage and how much current it used. A…

    ... speccy on again, it showed vertical lines on the screen:
    dimewos dimewos September 2013 Hardware
  • The Evolution of Some Nonsense[center] [B]TIMINGS FOR 100 BOUNCES[/B] [b]Ten Bouncy UDGs in BASIC[/b] [img]http://www.users.globalnet.co.uk/~jg27paw4/pourri/a000test.gif[/img] [u…

    ... .co.uk/~jg27paw4/pourri/a000tempmc.asm[/url]
    12 seconds
    asm[/url]
    3 seconds
    Battle Bunny Battle Bunny September 2013 Sinclair Basic
  • Upper RAM replacement module issues with the DivideI got my new upper ram replacement module from Zorn yesterday and seem to be having some issues. When the machine is without the Divide it boots up …

    ... black border and paper with vertical white lines on the paper ...
    gtsamour gtsamour September 2013 Hardware
  • Returning to BASIC from asmI never had to do it till now but there is always the first time :) At machine code program start I preserved SP register and all the other ones. A…

    I never had to do it till now but there is always the first time :)

    At machine code program start I preserved SP register and all the other ones.

    At the program end I restore them all and do RET.

    And instead of "[B]OK ...
    Ralf Ralf September 2013 Development
  • Looking for a Rastan-like coin-op game.Just remembered seeing a very high-quality arcade game (quality as in good graphics and, from what I remember, high resolution). This was summer of …

    ... have to jump down a vertical cliff and I think there ...
    ZnorXman ZnorXman October 2013 Chit chat
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ... br />


    #asm



    LD ... ,1);

    #asm
    LD BC,37000
    #asm
    rst 56
    # ... br /> int main()
    {
    #asm
    LD BC,37000
    slenkar slenkar October 2013 Development
  • Faulty grey +2, or not?While I?m still fighting with two to three grey +2 computers, which doesn?t give a video signal, I received another grey +2, which acts very strangel…

    ... from coloured, blinking blocks to vertical stripes etc. In maybe one ...
    schombi schombi November 2013 Hardware
  • SkoolKit 3.6SkoolKit 3.6 has been released. In case you are unaware, SkoolKit is a set of command line utilities (written in Python) for disassembling Spectrum …

    ... ) for disassembling Spectrum software, into ASM format (for consumption by assemblers ... a single source file, produce ASM files with or without bug ...
    SkoolKid SkoolKid November 2013 Announcements
  • Hikoki's new gameSo putting together all Hikoki's suggestions: This is going to be an arcade maze but also a vertical/horizontal scrolling game; with puzzle element…

    ... arcade maze but also a vertical/horizontal scrolling game; with puzzle ...
    gabriele amore gabriele amore November 2013 New game ideas
  • 128k programmingOk, I have had the normal man look (ie. not really), I want a good resource for 128k asm programming. Mostly just to find out how the RAM bank switc…

    ... a good resource for 128k asm programming.

    Mostly just ...
    Kiwi Kiwi November 2013 Development
  • Throwing this up for anyone who wants to finish itThere's a thread somewhere, about my little side-scroller, that never got very far into development. It got some kind and enthusiastic feedback such…

    ... somewhere, about my little side-scroller, that never got very far ...
    dmsmith dmsmith November 2013 Development
  • that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…

    ... .co.uk/~jg27paw4/pourri/dumpvars.asm[/url]
    NOTES:
    * ... .co.uk/~jg27paw4/pourri/scrdol0.asm[/url]
    NOTES:
    ; ... .co.uk/~jg27paw4/pourri/printa0.asm[/url]
    NOTES:
    * ... InitSCR sections in Adjust.ASM and DumpVARS.ASM give examples of its ...
    Battle Bunny Battle Bunny November 2013 Sinclair Basic
  • idea: new gaming interface for ZX Spectrum (48k)First of all, I am not an expert this is just an idea of what I would like to see happening in the modern era of the ZX Spectrum. A compact, small, …

    ... .

    A compact, small, vertical interface adding some important features ... similar to interface 1 bis. Vertical orientation and as compact as ...
    maiki maiki November 2013 Hardware
  • Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…

    ... of the screen still with vertical red lines.

    First ...
    Falco-F8L Falco-F8L December 2013 Hardware
  • life meaningYeah, so, I was thinking of doing a game for a while now (20-23 years now). Overcoming some hp issues these past years I made my decision to do one. …

    ... /> I would do the coding - asm - need a gfx man if ...
    XelotX XelotX December 2013 Development
  • Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…

    ... , but there is a light vertical shadow in the background of ... ISSUE 6A board... sometimes the vertical shadow is stronger, sometimes almost ...
    jimre jimre January 2014 Hardware
  • Santa's Xmas Capers wrong ending in rzx archive?I played this game last weekend and completed it in the same way that the rzx from rzxarchive is finished, but now, by reading the instructions, and …

    ... , maybe somebody can check the ASM code of the game? :)
    Ivanzx Ivanzx January 2014 Games
  • Convert .mid files to .asm for AYI've had a mess about with Midibeep for converting midi files to Basic BEEP statements with little success, it got me wondering if there were a progr…

    I've had a mess about with Midibeep for converting midi files to Basic BEEP statements with little success, it got me wondering if there were a program that would convert midi files to assembly code (for 128k AY) in a similar way Beepola does?

    ...
    daveysludge daveysludge January 2014 Development
  • ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…

    ... 's a quick and dirty scroller 'like' effect based on that ...
    Hikaru Hikaru January 2014 Development
  • Convert AT co-ordinates to PLOT co-ordinatesHow do you convert the 2 from MC? I don't know how to convert the vertical value as they're differently ordered... Heres what I have so far: [CODE]…

    ... know how to convert the vertical value as they're differently ... />
    ld a,(50000-3) ;vertical AT co-ord


    ld (x),a ;store vertical plot point
    ret[/CODE]
    daveysludge daveysludge January 2014 Development
  • Colission detection problems.G'ah...it's always the same (I've asked before too) - I'm always struggling when it comes to doing box colission checks, so I'm basically hoping you …

    ... /> jr nc,cc02 ; not within vertical range.
    ; now horizontal check ... /> jr nc,cc02 ; not within vertical range.
    [/CODE]

    Sokurah Sokurah February 2014 Development
  • GEDit syntax highlighting for Boriel's ZX BasicHi! I just tailored this syntax highlighting code and would like to share with he community. Suggestions are always welcome, though the file works w…

    ...
    and
    align
    asm
    asn
    at
    pkersey pkersey February 2014 Development
  • Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…

    Hi all,

    Please does anyone have any examples of tile routines in pure asm to set up maptile screens.

    I would like to try and understand them and tinker around and learn.

    Thankyou for your help :-)
    alienbanana alienbanana February 2014 Development
  • Help! +3Just got my +3 working after replacing the drive belt. All was OK until I plugged in my Multiface 3 (known working with a +2a) and the computer went…

    ... . Now all I get are vertical flashing yellow lines, plus noise ...
    Witbear Witbear March 2014 Hardware
  • Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…

    ... -around attribute map to allow vertical attribute-based scrolling.
    ;Use ...
    joefish joefish March 2014 Development
  • Z80 Asm EditorHi, I think this goes in here but if not then the mods can move it.... :) I have been knocking up a multi-tabbed, customizable docking editor for w…

    Hi,

    I think this goes in here but if not then the mods can move it.... :)

    I have been knocking up a multi-tabbed, customizable docking editor for writing Z80 assembler.
    It will allow assembling code using your own preferred ...
    polomint polomint March 2014 Development
  • TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…

    ... the tokens (see also Token.ASM).
    [/list]

    Things ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • Does this addressing technique have a name?Hi All, Bit of a weird/unnecessary question, but can anyone help build on my knowledge of asm terminology by telling me what the *second* method of …

    ... build on my knowledge of asm terminology by telling me what ...
    Jagd Tiger Jagd Tiger March 2014 Development
  • Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …

    ... ld a,(ycoord) ; fetch vertical coordinate.
    ld e,a ... a,e ; restore the vertical.
    and 192 ; ... /> ld e,a ; vertical coordinate calculation done.
    ...
    Jagd Tiger Jagd Tiger April 2014 Development
  • Might need a new ROM for an MF128Had some trouble recently that has apparently killed my MF128, basically on pressing the NMI I get black paper and multicoloured vertical lines, and …

    ... get black paper and multicoloured vertical lines, and just for curiosity ...
    Macc Macc April 2014 Hardware
<1…16171819202122…34>

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