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Search Again :: Adv Search 1000 results in 0.023s
<1234567…34>
  • 128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…

    When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without cancelling the shadow?
    Unique Unique February 2005 Development
  • About wireframe 3d animationAre there any demos or games that have very long 3d animation sequences? Some games have short, repeating animations and I only know of a demo (somet…

    ... games that have very long 3d animation sequences? Some games have short ... pre-rendered wireframe 3D to produce a very long animation clip on ... 3d, is there are program that can help create the animation ... thinking of Sprite designers and animation tools but a.f. ...
    zxbruno zxbruno December 2009 Sinclair Miscellaneous
  • Speccy 128 Shadow screen.How much is the shadow screen used in 128k commercial software? I ask because I am looking at putting 128k of memory in the 48k setup I have been bu…

    How much is the shadow screen used in 128k commercial software?< ...
    spodula spodula January 2011 Hardware
  • 128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?

    Hi

    How does the shadow screen feature work , and how can it be used?
    micken micken May 2014 Development
  • Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …

    ... using the 128K's shadow screen area and I can ... writing to and displaying the shadow screen
    ld b, 7 ... br /> ld c, 8 ; Screen Shadow
    call change_bank
    ... Select normal (0) or shadow (1) screen to be displayed.
    ...
    pointblnk pointblnk August 2016 Development
  • 3D Pool (Firebird) - a pleasant discoveryThis is one of those games whose memories just popped into my head, probably after all this 3D animation malarky and the fact that I love playing Wor…

    ... head, probably after all this 3D animation malarky and the fact that ... on my Xbox.

    3D Pool isn't brilliant, but ...
    NickH NickH June 2005 Games
  • Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…

    ... a big M on the screen.

    You could also ... a program that would convert 3D points, angle, rotation and speed ... an easy way of adding 3D animation to a BASIC program.
    JamesD JamesD February 2007 Development
  • Bug-Eyed Blob Things[URL="http://www.speccyjam.com/games/bug-eyed-blob-things/"]Bug-Eyed Blob Things[/URL] is a great game, that won the [URL="http://www.speccyjam.com/"…

    ... Similarly if each boss monster animation requires too many character updates ... /> update all at once on screen
    [/CODE]
    Although ... may require using the 128K shadow screen to make it look ... know if z88dk+sp1 supports shadow screen... If not, it may ...
    Einar Saukas Einar Saukas November 2014 New game ideas
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... much graphics [b]and[/b] animation into the damn 40K - minus ... (useless on 48K machine) and shadow screen, that is! The only downside ...
    TVzombie TVzombie December 2007 Games
  • filled shape creating codeDevelopment is continuing well on a resurrected project of mine from about 20 years ago. Speed and size optimizations are going well along with displ…

    ... the shadow screen. This way, you can always build the next animation frame ... using the shadow screen while displaying the regular screen, then ...
    Einar Saukas Einar Saukas October 2013 Development
  • Good Graphics CardsI'm i n the market for a new graphics card. I have about $200 (£240) to spend topps. Any recommendations or should I wait until after Christmas and g…

    ... least that on screen UI is drawn into a 3D scene as ... to 3, etc), Duke Nukem 3D, Shadow Warrior 3D, Alien vs. Predator, Descent ...
    ewgf ewgf December 2017 Chit chat
  • Not exactly an idea for a new game...... or even something new but more of an idea for existing games. However, I don't know if this has been tried before (or if it is possible to pul…

    ... a view for a 3D corridor block-maze that ... draw both 3D colour images on the screen at the ...
    The Master System 3D works by synchronising two full ... could) display the 128K shadow screen whilst the normal Spectrum ... accepted format is for 3D TV - if you ...
    joefish joefish August 2018 New game ideas
  • 2005 retro plans?So what's everyone here got planned for the retro scene? My conservative estimate is that I get out two new chapters of the documentary, plus write …

    ... the documentary, plus write a 3D animation package for some of the ... animations (I want the intro animation for 1985 to be a ... sense to model that in 3D rather than in 2D).
    NickH NickH January 2005 Sinclair Miscellaneous
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... of +3DOS interfere with the "shadow" screen area at the start of ...
    rbsfou rbsfou January 2007 Development
  • New Spectrum emulator for DS[url]http://zxds.raxoft.cz/[/url] [quote]Features already implemented: * Solid Z80 core - possible bugs aside, the Z80 emulation is as complete…

    ... and RAM bank paging and shadow screen support.
    * ... br /> * Reasonable screen emulation - the screen display code does ... It just samples the screen once per frame, though ... />
    * Better screen emulation - having the emulator with ...
    StuBruise StuBruise March 2007 Emulators
  • alternate BASIC ROMI've come up with a few patches to the standard ROM to make it use the 128 shadow screen by default. The ROM is reorganised as follows: RAMTOP is se…

    ... make it use the 128 shadow screen by default. The ROM is ...
    the shadow screen is selected by default
    the shadow screen is paged ... now write to the upper screen area, including PLOT

    screen when it was being written ...
    chev chev October 2008 Sinclair Basic
  • Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…

    ... graphic routines that use the shadow screen present in 128K Spectrum's ...
    mcleod_ideafix mcleod_ideafix August 2009 Development
  • Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …

    ... : Select normal (0) or shadow (1) screen to be displayed. The normal ... in bank 5, whilst the shadow screen is in bank 7. Note ...
    bverstee bverstee April 2010 Hardware
  • enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…

    ... written with 128K machines and shadow screen using in mind (so programmer ...
    Ketmar Ketmar April 2011 Development
  • VV - one of my favourite shows from the 80s So why was the game such utter dirge? I've added it to my blog at: [URL="http://zxspectrumgames.blogspot…

    ... from the nice loading screen and animation on the central character it ...
    Retrobrothers Retrobrothers January 2012 Games
  • 64x48 full colour graphicsHow feasible is this? Could an interrupt-driven routine be used to, for example, fill the top two thirds with a 64x32 blocky picture and leave the bo…

    ... you have to fill the screen with CHR$ 0x85 then change ... - just for 128K using the shadow screen it seems, but seems doable ...
    na_th_an na_th_an July 2012 Development
  • Enable 128kB paging in emulatorFrom Zx Spectrum documentation ([url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url]) [CODE][SIZE="1"]When memory is being pag…

    ... : Select normal (0) or shadow (1) screen to be displayed. The normal ... in bank 5, whilst the shadow screen is in bank 7. Note ...
    Ralf Ralf June 2013 Emulators
  • Pivot, it's like Star Quake but with a twist[B]Pivot[/B] by Podbot is a very recent Flash/browser game which is a perfect idea for a ZX Spectrum game. [url]http://jayisgames.com/archives/2013/…

    ... probably can't do a screen rotation animation. However I don't ... think a full animation is necessary. You could do ... visual idea which way the screen has rotated. So something like ... a black background -> Rotated screen

    Also, when you ...
    BdR BdR September 2013 New game ideas
  • ****ing Awesome Spectrum Engine (FASE)This is a new engine (sprites, tiles, map) for all ZX Spectrum machines. The engine set ups a runtime enviroment that leave between 24K and 30K byt…

    ... all the stuff in the screen every frame. With this engine ... machine (floating bus in 48K, shadow screen in 128K) so the comunication ... /> [CODE]
    5b00 number of screen to paint
    5b01-5b96 ... tiles codes of actual screen
    5bfe-5bff set to ...
    antoniovillena antoniovillena January 2014 Brand new software
  • RAM7 in 128K modelsWe are developing a game with lots of contents and we have already filled up RAM1, RAM3, RAM4 and RAM6. I was wondering if there's any problem in us…

    ... . I know it has the shadow screen and that it's used ...
    na_th_an na_th_an February 2014 Development
  • New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …

    ... the ULA actually fetches the screen bytes. Obviously the floating bus ... this out by paging the shadow screen in and out.

    Patrik Rak Patrik Rak March 2014 Emulators
  • Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…

    ... to simply produce a split-screen display, split the video ... and have it display its shadow screen whilst the new board ... a copy of its normal screen, or on a 48K ... of memory to the external screen RAM.

    ... off a copy of screen data from one machine ...
    joefish joefish April 2014 Hardware
  • Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…

    ... 128k game that uses the shadow screen for double buffering and when ... the wrong place on the screen.

    The double buffering ... ) and if so switches the screen. I don't know if ... quickly you can switch the screen after a HALT instruction.
    dave18 dave18 May 2017 Development
  • New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…

    ... options for adding a loading screen and it compresses the data ... add in a standard loading screen (which you can
    | change ...
    TomD TomD August 2020 Brand new software
  • What are editor scratchpads?I've been reading and experimenting with 128 bank switching and using the shadow screen. The technical reference [url="https://worldofspectrum.or…

    ... bank switching and using the shadow screen.

    The technical reference ...
    KrazyKattapilla KrazyKattapilla September 2020 Assembler
<1234567…34>

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  • About wireframe 3d animationAre there any demos or games that have very long 3d animation sequences? Some games have short, repeating animations and I only know of a demo (somet…
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