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How to Write ZX Spectrum Games As some of you may know, it has long been my intention to produce a document which explains pretty much everything I have learned - and am still lea…
... Thirteen - Double Buffering
Creating a Screen Buffer
Scrolling the Buffer
Powerplay and Martin SevernMartin Severn has taken a part in Powerplay development, according to the instructions: Art Direction & Graphic Design by JABBA [url]ftp://ftp.worldo…
... graphic design for Andy's 128K CD Demo that followed the ... with a hex editor to double check and found the following ...Opinion on new 128K only gamesHello, Being new to the WOS community, I am unclear on the attitude towards 128K only software, that is; Is there a strong need to support the 48K m…
... the DJ world - DSP, BPM, buffer mix etc... My programming side ... can transfer those to the 128K AY chip no problem. Its ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... br />
; ***DIRECT FRAME BUFFER ACCESS***
; Record ... br />
; ***DIRECT FRAME BUFFER ACCESS***
; Software ... today (Original 48K and 128K+) so I'm ...48k scartAnyone use or know anything about these? [url]http://cgi.ebay.co.uk/Sinclair-Spectrum-Composite-Video-Mod-Kit-Scart-TV-/260684941076?pt=UK_VintageC…
... the full gut it and buffer it mod on my first ... the buffer amp/impedance match is unnecessary.
(the 128k models ... quite possibly do need a buffer, I've not looked into ... this but I use a buffer circuit on my +3)New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…
... cases.
Most ZX Spectrum 128K models do not have great ... .s.: I do like Velesofts double-AY solution, but it will ...Genesis: dawn of a new day, new game from RetroWorks!It's been a long development, but finally we made it. We proudly present the latest game from RetroWorks, Genesis: dawn of a new day. [img]http://ww…
... some interesting features, such as double buffering using the shadow screen ... 't look like it uses double buffering on Spectaculator... Have you ... ...
With it being 128K only, one of the first ...Genesis: dawn of a new day, new game from RetroWorks!It's been a long development, but finally we made it. We proudly present the latest game from RetroWorks, Genesis: dawn of a new day. [img]http://ww…
... 't look like it uses double buffering on Spectaculator... Have you ... ...
With it being 128K only, one of the first ...Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... Spectrums is in the low double figures. They're a niche ... or TS2068, in which case 128K is needed, or if you ...Xmas / NY present for all ZX UsersHi there, wasn't sure where this should go, but this is a couple of years "work" during free time while not in the office. This is a package of 480 o…
... filename should work on all 128K speccies, but due to me ... **MUCH** faster than on the 128K. Some of the demos tagged ... +3) will still work on 128K, but if the music slows ... crash.
About the double names in the rar, I ...Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... the 'gigascreen' flicker method - to buffer the previous frame and blend ... on, if you want to buffer the full screen memory outside ... pull both screens from a 128K RAM simultaneously, but that wouldn ... would mean you couldn't buffer screen updates any more. And ...Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... )
Whereas with linear frame buffer you need someting like
double additions) you [B]waste a ...zx81 rf outputHi All I'm not sure if this is an appropriate forum for the zx81, however I'll ask anyway;) I've connected my zx81 up to a mid 90's color tv. I can…
... modulator circuitry with a transistor buffer like this: [URL="http://www ... be.
Above transistor buffer (+ capacitor if used) fits comfortably ... case.[/QUOTE]
I double that....
I used ...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... to make one circular byte buffer for example and reuse the ... all drivers needing a circular buffer, not create 5 different implementations ... an IEEE single and maybe double precision implemnetation if someone has ...Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…
... , but you'll find some 128K Gigascreen code and screen flipping ... 10ms (+ redraw time :( ). Unfortunately even double buffered it shears but at ...Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…
... to run at 25fps and double that number to approximately 10 ... write shifted sprites to a buffer area and then blit those ...Request for help (Z80 gigascreen loader)Although I'd attempted to stick to keeping things simple in Image to ZX Spec now I've implemented Gigascreen (8x8 only) I've found the BASIC Gigascre…
Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …
... I'm working on a 128K so I can do some ... using the hidden screen to buffer it all so I don ... actually more restrictive on a 128K because when you page in ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... away with a 32 byte buffer. However, this was a ... the screen without using any buffer at all.
One ... it then clears the buffer at the end and ... you remove the 256-byte buffer, copy_buff, copy_3 and the ... buffer and therefore works with the ZX Printer in 128K ...Rendering techniques in emulatorsI've been giving thought to the possibility of speeding up the rendering in Zero considering I've been putting it off long enough. My approach is c…
... you're writing to a buffer - don't clear it at ... dumping the contents of that buffer to the display, only dump ... understood it having only written double-buffering routines on an ST ... old display as your second buffer.SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... the screen without using any buffer at all.
One of ... that it then clears the buffer at the end and also ... you remove the 256-byte buffer, copy_buff, copy_3 and the preceding ... the buffer and therefore works with the ZX Printer in 128K BASIC ...Minor Update to Gasman's Midi2BEEPDon't know whether this is worthy an announcement, but for those of you who enjoyed Gasman's midi2BEEP utility, a new variant has been made called mi…
... stupid in the end... I double checked the listing that was ... (ie: double spaced), prior copying across to Unreal's keyboard buffer... (note ...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 …
... were interested in having your Double Dragon game premiered there or ... thing will never fit in 128K. not with music. probably. that ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... SU Double Hits 1 version works.
[*]Yie Ar Kung Fu 128K ...So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... or less all of my 128K demos have used the second ... extent, for purposes ranging from double buffering (including the DivIDEo player ... it became acceptable to make 128K-only games, the programmers already ...CrusoeI'm making slow progress in mapping & debugging this game, having to restart several times due to various unfortunate events. The latest was getting …
I'm using Spin for testing most of the time, in 48k mode. Crusoe is not 128k compatible as it uses the printer buffer for temporary workspace; plus it uses all 21 UDGs and there's only 19 available on the 128k.GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... messages are almost impossible without double buffering. the point being: no ... when copying screen from shadow buffer. if done inside drawing function ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... . You probably need at least 128k to do anything interesting in ... (9 byte including attribute) back buffer is used to completely draw ... fixed address of the back buffer can speed up and simplify ... approach used by Symbos requires 128k as minimum spec.
A Pointless Propotional Font demoSomething I've made the last couple of days, which is probably completely pointless, but might be a bit amusing. It's also not worthy of posting thi…
... the possibilities yourself? Also, my 128K programming knowledge is very rusty ... ; it also has a wrapping buffer, which means that you can ...
