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  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... changed every second attribute each line, so I was forever fiddling ... attributes per line and move them up and down a pixel at ...
    joefish joefish May 2009 Development
  • The point of fixing a QLHi All Recently picked up an old QL that was in pieces, all the screws are missing and the keyboard membrane is shot, but it does work. Gave the me…

    ... in Spectrum?
    2) Every pixel has its own color?
    2) Each pixel can have its own colour ... off at end of flashing line), although most emulators do not ...
    rwap rwap June 2009 Hardware
  • The point of fixing a QLHi All Recently picked up an old QL that was in pieces, all the screws are missing and the keyboard membrane is shot, but it does work. Gave the me…

    ... , yellow, black.
    2) Each pixel can have its own colour ... off at end of flashing line), although most emulators do not ...
    Mister Beep Mister Beep June 2009 Hardware
  • BASin Loading ScreensHi all, I've got a code for a program from the 2nd Issue of INPUT magazine and I wanted to create a loading screen for it. I've tried making the scre…

    ... bar which says Program: Line 1
    Is it ... /> Leave your first 8 pixel empty in your loading screen ... />
    SO when program line appears, it will shown at ... You can control where that line appears using print at. eg ... . add this line to above loader: 15 ...
    Arda Arda July 2009 Sinclair Basic
  • BASin Loading ScreensHi all, I've got a code for a program from the 2nd Issue of INPUT magazine and I wanted to create a loading screen for it. I've tried making the scre…

    ... Second don't type Save "Line 1" it's :
    ... /> Leave your first 8 pixel empty in your loading screen ...
    SO when program line appears, it will shown at ... You can control where that line appears using print at. ... eg. add this line to above loader: 15 ...
    speccyfan1945 speccyfan1945 July 2009 Sinclair Basic
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    ... character block is 1 pixel too high. So half ... right side is 1 pixel higher when it settles ... -states to copy each line, allowing for some contention ... exactly 224 T-states per line, without contention.
    < ... to provide a separate line-by-line function for the + ...
    joefish joefish August 2009 Development
  • New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…

    ... sure this solves the 176 pixel width issue, but do you ... think 176 pixel depth is achievable?[/QUOTE]Still ... load these attributes for one line into register pairs AF,BC ... , then your code for that line pushes any of these four ...
    joefish joefish August 2009 Development
  • New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…

    ... there's lots of repeated pixel patterns in it. Small rewards ... I can actually tweak a pixel here and there if I ... with beginning of line and compute offset in line (efectively one OR ...
    joefish joefish August 2009 Development
  • How do the swingy ropes in Jet Set Willy work?Not sure if this should go in the programming forum but here goes. I remember back in '84 being totally blown away by the realistically swinging rope…

    ... the length of the line.
    Each pixel is 2 in length ...
    Dr BEEP Dr BEEP September 2009 Games
  • PitPatI am coding the digital version of PIT-PAT [IMG]http://www.berg-en-dal.be/images/thumb/pitpat_spelen_2_kleur.jpg[/IMG] In fact it is golf on a tabl…

    ... ? (don't need an 8 pixel border for the cue to ... />
    There is a full line round each level to rotate ... need to draw a long line then no swap must be ...
    Dr BEEP Dr BEEP September 2009 New game ideas
  • I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…

    ... which may have allowed for line-by-line vertical scrolling).

    line aligned to any given ... vertical scroll in pixel increments, and a 16 pixel horizontal scroll.< ... get horizontal movements in 4 pixel increments. There are some ...
    Matt_B Matt_B September 2009 Chit chat
  • Framerate of Spectrum gamesI was reading a bit about framerates in modern games and it got me wondering about the Speccy. First off I'd hoped to find what framerate my old gam…

    ... a pixel with an occasional edge update. The buffer draw (straight line ...
    frobush frobush November 2009 Games
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... palette registers at each scan line. There will be so ... border of one scan line, but once would be ... palette registers during a pixel update will contend until ... is changed during a pixel display update. It will ... [i]during[/i] the pixel part of the scanline.... ...
    csmith csmith November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... be reflected on the next line of the border, and apply ... border colour register during the pixel display portion may be possible ... border colour multiple times per line.

    Either way, ... the CPU is contended anyway (pixel display update) seems the ...
    csmith csmith November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... border colour register during the pixel display portion may be possible ... the palette ram outside the pixel display area to avoid contention ... the border colour once per line, you probably want the right ... the left-hand half to line up. From experience, the ...
    joefish joefish November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... the border colour once per line, you probably want the right ... the left-hand half to line up. From experience, the only ... you change it during the pixel phase, you end up with ... the border colour during the pixel phase would help much.[/QUOTE ...
    csmith csmith November 2009 Emulators
  • Zon xDid anyone ever use a ZON X sound generator? I've been rummaging around in the loft and found it (along with Machine Language for the absolute beginn…

    ... hit the end of the line, which was signalled by a ... it wait for the next line). That meant it could only ... phases, not during the screen pixel rows.

    By turning ...
    joefish joefish November 2009 Games
  • POKING graphicsI remember using binary code (in BASIC) to POKE graphics (thanks Input magazine!) Using a FOR..NEXT loop you would POKE each square in the 8X8 charac…

    ... /> so if you wanted a line.. you'd add all of ... top right pixel , it'd be 1 for that line.. you have ...
    fog fog November 2009 Games
  • While we're on about graphics...I did this for ZXSpin: [img]http://sites.google.com/site/pauldunn/CRT.png[/img] Which is a 2x filter, simulating (badly) a CRTdisplay. This is the…

    ... the intensity of a given pixel is affected by the intensity ... red pixel on a black background looks much smaller than a line ... is one "triad" per Spectrum pixel (logical I guess), but given ... . 2x2 "badly" simulated triads per pixel) would give the most natural ...
    Fred Fred November 2009 Emulators
  • Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…

    ... address with the appropriate command line option to zcc.

    54 ; d1f7 - d1fe SP1.LIB pixel buffer
    55 ; d1ed - d1f6 ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Development
  • Shooter Racer TypeThingA bit like Spy Hunter flipped on it's side but actually plays a bit more like R-Type on wheels... A mock up screen: [IMG]http://img.photobucket.com…

    ... took the Batman The Movie line, and reset to horizontal scrolling ... .. where you have the 1 pixel rope? do the same with ...
    fog fog December 2009 New game ideas
  • border graphics / text tricks ?just curious if it was possible.. I mean in basic, when you scroll a program you have "scroll ?" in the lower border? is there trickery that you can…

    ... part of pixel area. just try edit a long basic line.
    line, so AT character can be ...
    Fikee Fikee December 2009 Development
  • Print at 128,87? :)The advanced search function didn't help me find the answer to this, and I don't remember seeing anything similar in magazines or books... so please …

    ... /paper to black/white. Bring line 500 to the bottom of ... 9400 to avoid
    y - pixel start from top
    xs ... 7 for 36 characters per line. Set to 4 for 64 ...
    Geoff Geoff January 2010 Sinclair Miscellaneous
  • Star Wars scroll/crawl/title effectI may have seen this type of scroll on a Speccy game before, but I've never seen it as a type-in or part of a cover tape. Does anyone know how to do …

    ... upwards by copying each line up a pixel. As I copy it ... have to be a different pixel each row though so as ...
    joefish joefish January 2010 Sinclair Miscellaneous
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... />
    Full(ish) screen colour pixel scrolling (within reason - some colours ... you will need a score line thingy).

    Loads of ...
    frobush frobush February 2010 Development
  • Graphics problemHi guys. Finally got a REAL zx spectrum, cost ?20 from a friend. When i draw plots and circles, it takes time to do it, but how do i do it instantly…

    ... the circle look smooth. Each line segment's endpoint is found ... to move over by single pixel amounts versus computing them from ... pixel coordinates, the latter is done ... it computes screen addresses from pixel coordinates.
    Alcoholics Anonymous Alcoholics Anonymous February 2010 Sinclair Basic
  • Z80 compressorIs there one available? Is it any good? Peeps have been suggesting we should look into this, so here's a new thread! I'd do the compressor on the …

    ... script file to a command-line executable. The GUI can then ... invoke this command-line executable. That makes it all ... ', e.g. '32' for 16x16 pixel-only sprites. The compressor will ...
    joefish joefish February 2010 Development
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... shutting down the FX when line 288 is reached, so if ... of course be displayed upto line 312 in Eightyone because the ... outputting to port #FE after line 288, but that does not ... output a 352 x 288 pixel array that can be fitted ...
    Madonna Mk 2 Madonna Mk 2 March 2010 Emulators
  • Easy way to print text in machine code?Please? It sounds so simple, but I've never done it. At the moment I'm grabbing the start address for each letter then printing them out one at a t…

    ...
    rrca ;isolated number of line in third * 32 which is ... /> or c ;add collumn in line
    ld e, a ;or ... , d ;computing attr adress from pixel adress
    and %00011000 ;looks ...
    Fikee Fikee March 2010 Development
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... than having a solid black line as the edge of each ... the tiles,maybe the odd pixel to make it look less ...
    redballoon redballoon March 2010 Development
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Latest Posts

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