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  • Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…

    ... example I mentioned (copying from buffer to screen), clearly code ... like when you're vertically scrolling an 8x1 mode screen on ... together in your buffer? In this case, the buffer would store ... referencing the corresponding pair in buffer address. In this case, ...
    Einar Saukas Einar Saukas October 2013 Development
  • Abbaye Des Morts Halloween DEMO ! ! !Hi to all creepy ZX brothers and sisters!!! Me and Jerri are proud to announce you the first Abbaye Des Morts Demo !!! Finally with real colour clash…

    ... you tell something about the engine used?

    It was ... smooth? Are you using a buffer screen or not?

    Ralf Ralf November 2013 Brand new software
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... /> Are you using some memory buffer? I suppose you do, so ... he decides to use this engine?
    Ralf Ralf November 2013 Brand new software
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... ]Are you using some memory buffer? I suppose you do, so ... he decides to use this engine?[/QUOTE]

    The entire ... [B]NIRVANA ENGINE[/B] takes 8481 bytes, occupying ... directly inside the engine (there's no memory buffer), so the rest ...
    Einar Saukas Einar Saukas November 2013 Brand new software
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... are selected inside the main engine isr, in order to allow ... possibilities (so that the attribute buffer, eg, is not at fixed ... building on top of this engine. If you'd prefer to ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Brand new software
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... are selected inside the main engine isr, in order to allow ... possibilities (so that the attribute buffer, eg, is not at fixed ... make further changes to this engine and distribute your new version ... building on top of this engine.[/QUOTE]

    Good ...
    Einar Saukas Einar Saukas November 2013 Brand new software
  • FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…

    ... fzx text into a back buffer and then make that part ... thinking of getting my GAC engine out again. (If I can ...
    Timmy Timmy November 2013 Announcements
  • Cross platform developmentI'm just vaguely considering supporting a few more retro 8 bit platforms for something I have in mind to do. Just Z80 and 6502 really, but that cove…

    ... to the ascii buffer and zero terminate the buffer
    ; if radix ... , 16); // write hex number to buffer

    The generated asm ... contemplating.

    The sprite engine sp1 that is in z88dk ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Development
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    [QUOTE=Sokurah;734917]Pretty awesome engine. I wish I had an ... more appropriate for games without scrolling (either flip-screen or single ...
    Einar Saukas Einar Saukas December 2013 Brand new software
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... on a puzzle, platform, or scrolling shooter. The only other type ... not really suited to the engine. Also there seems to be ...
    chev chev December 2013 Brand new software
  • Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …

    ... sprites. The key in this engine is a very fast routine ... your play area is - each buffer corresponding to a screen third ... you erase/draw, process each buffer in order of appearance so ...
    Hikaru Hikaru December 2013 Development
  • Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …

    ... complete a 48k engine. Then make the 128k engine. And finally put ... ) and although a 128 back buffer method will work on those ... this trick :D But the engine is open so people are ...
    Alcoholics Anonymous Alcoholics Anonymous December 2013 Development
  • Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …

    ... ) and although a 128 back buffer method will work on those ... this trick :D But the engine is open so people are ... to join with another 128k engine (without floating bus) and support ...
    antoniovillena antoniovillena December 2013 Development
  • Why?I'm just wondering why people are here? Why are we working on or using old hardware? Why are some of you putting a lot of effort in upgrading the ha…

    ... can make to their game engine. But I'm struggling to ... an existing puzzle, platform, side scrolling shooter, or text adventure.
    chev chev December 2013 Sinclair Miscellaneous
  • Why?I'm just wondering why people are here? Why are we working on or using old hardware? Why are some of you putting a lot of effort in upgrading the ha…

    ... can make to their game engine. But I'm struggling to ... an existing puzzle, platform, side scrolling shooter, or text adventure.[/QUOTE ...
    Ivanzx Ivanzx December 2013 Sinclair Miscellaneous
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... on a puzzle, platform, or scrolling shooter. The only other type ... not really suited to the engine.[/QUOTE]

    An interesting ... .


    [*] [I]No scrolling.[/I] Limited CPU means trying ...
    Einar Saukas Einar Saukas December 2013 Brand new software
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... concern? Nirvana is a display engine; it just draws what it ... 3x3-based pseudo-3D RPG engine.[/QUOTE]

    That would ... be flip-screen instead of scrolling, thus more like [URL="http ...
    Einar Saukas Einar Saukas January 2014 Brand new software
  • ****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…

    ... language
    stak-ramt buffer for sprite erasing
    ...
    ruti-fd4f assembler engine and map compressed
    ... language
    stak-ramt buffer for sprite erasing
    ...
    ruti-fc20 assembler engine and map compressed
    ...
    antoniovillena antoniovillena January 2014 Brand new software
  • Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …

    ... some my discoveries about the engine. Maybe it will be interesting ... />
    Both versions have no scrolling but there are some hints ... in the code that the scrolling was considered at some moment ... 8 pixels and get the scrolling done. Still the author must ...
    Ralf Ralf January 2014 Games
  • Reaxxion and Joe Gunn, what happened to these?These 2 games which were coming from the C-64 were announced in development or almost finished some time ago, but we never got any other update in th…

    ... will probably be in a buffer that will be overwritten when ... Beepola's "The Music Studio" engine [url=http://www.youtube.com ...
    Jmk Jmk January 2014 Development
  • Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …

    ... learnt a lot about the engine and still hope to colourize ... said I'd need extra buffer in memory for this but ...
    Ralf Ralf January 2014 Games
  • Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …

    ... learnt a lot about the engine and still hope to colourize ... said I'd need extra buffer in memory for this but ...
    ANDREW RYALS ANDREW RYALS January 2014 Games
  • Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…

    ... is antoniovillena's FASE sprite engine (which, btw, you could use ... draw completed graphics to a buffer and then copy the finished ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Development
  • Isometric GamesAs a longer term project I'm thinking of attempting an isometric game, along the lines of Alien8, but with Magic Knight. No promises though, because …

    ... each sprite drawn to a buffer. The rectangles around the sprites ... is redrawn, so it's buffer is much smaller. Arguably quicker ... complicated!

    My isometric engine is undergoing its third iteration ...
    csmith csmith January 2014 Development
  • By The Power Of Grayskull![img]http://old.he-man.org/cartoon/cmotu/seriesinformation/moral1.jpg[/img] "In today's story, deadpan666 discovered that some fans have decided to …

    ... Open BoR engine (Beats of Rage). There are numerous scrolling fighters made ... using that engine and I have ... 's using the Future Pinball engine and I found it to ...
    Bermondsey Bob Bermondsey Bob January 2014 Chit chat
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... libraries and the sp1 sprite engine alone is about 10k ... write number to ascii buffer
    .....

    buffer:
    defs 6 ... declaration above

    char buffer[6];

    utoa( ... [/code]

    The sprite engine is about 12 years old ...
    Alcoholics Anonymous Alcoholics Anonymous February 2014 Development
  • Has anything about the Speccy been discovered since the 90sAs the title says. What im talking about is, have recent programmers unlocked anything on the speccy to improve games/gameplay since the computer was…

    ... on the board enabling hardware scrolling? A new graphic mode? Some ... , Prince of Persia, Wolfenstein, Chaos Engine... These are bigger and more ...
    Ralf Ralf February 2014 Games
  • Metal SlugWonder what that could/would look like? Still play it now on emulators, great game.

    ... ], like all of Joffa's scrolling games, works on a very ... it's a different game engine altogether. Plus you also end ...
    joefish joefish February 2014 New game ideas
  • FBSThis is one of those things that is more like an experiment than a real project. I was trying to do this in BASIC, then realised my BASIC was too ru…

    ... =9"] simplified way[/URL] (scrolling a buffer of char cell tops and ...
    R-Tape R-Tape February 2014 Development
  • FBSThis is one of those things that is more like an experiment than a real project. I was trying to do this in BASIC, then realised my BASIC was too ru…

    ... even this simplified way (scrolling a buffer of char cell tops and ... will be 50 fps smooth scrolling. It's taking some more ...
    Ralf Ralf February 2014 Development
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HitBox

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bicolour 68 73
scrolling 4.7K 6.2K
buffer 2.6K 4.9K
engine 6.6K 9K

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