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z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... up screen draws to sync with the raster in order to eliminate ... />
[ This Message was edited by: Alcoholics Anonymous on 2005-09 ... -
unreleased spectrum protection system - any use any more? also pokerama sourceDon't know if anyone's interested in this. During my days hacking games for Your Sinclair and Crash (and Sinclair User for a while) I had a pet proje…
... ROM edges (including changing the timing constants) suggesting it's a ... of bytes saved by the turbosaving code, followed by a sync byte. The ... to skip edges to gain sync. In other word, I cheated ... />
[ This Message was edited by: Woody on 2005-10-04 ... -
Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... timing as the data), after which the data follows immediately (no sync ... , but it was not written by me and so I decline ... />
[ This Message was edited by: luca on 2005-10-30 ... -
Jupiter AceCan anyone point me in the direction of a utility that can convert Jupiter ACE .tap files back into .wav? Cheers, MikeW
... the Spectrum with slightly different timing. However, as the Spectrum uses ... are missing either the first Sync byte (Same as the spectrum ... you recreate the blocks by adding the correct Sync Byte and checksum ... -
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... the screen in that the raster line could cross the drawing ... nasty - you can avoid this by either doing the transfer in ... method or by some nasty video timing (I did the timing method on ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... MEMORY
3 PHA ; BY SAVING LOW BYTE ON STACK ... can get away with one branch instead of two. These optimizations ... /> This assumes best case 6502 timing (ie no carries for address ... -
horizontal shmupsare there any speccy horizontal shmups where you freely move your ship (or whatever) pixel-by-pixel except penetrator? (i?m glad to realize, the lack…
... upwards in sections/strips and by slightly altering your x offset ... on the +2 so a timing delay had been added to ... you can tell whether the raster has 'hit' the top of ... -
50Hz on PC?Hi, do you know of any emulator for PC that can switch monitor refresh rate to 50Hz or closest possible and sync ZX interrupt with monitor refresh?…
... to the audio sample rate by using the same clock source ... sync, despite being mathematically linked. (e.g. The system uses two timing ... stuck if exact video/audio sync was necessary... -
50Hz on PC?Hi, do you know of any emulator for PC that can switch monitor refresh rate to 50Hz or closest possible and sync ZX interrupt with monitor refresh?…
... to the audio sample rate by using the same clock source ... sync, despite being mathematically linked. (e.g. The system uses two timing ... disabled? Hint: it doesn't sync to the video hardware.
50Hz on PC?Hi, do you know of any emulator for PC that can switch monitor refresh rate to 50Hz or closest possible and sync ZX interrupt with monitor refresh?…
... [b]realtime[/b] program in sync with multiple pieces of hardware ... , will sync to a sound-card sample rate (so the frame timing ... , and without large delays introduced by multiple level buffers. This generally ... to pick one thing and sync tightly to it, and other ...50Hz on PC?Hi, do you know of any emulator for PC that can switch monitor refresh rate to 50Hz or closest possible and sync ZX interrupt with monitor refresh?…
... .
There is a branch of Fuse which uses the ... that syncs just yet. However, by PC, I assume you mean ... simple demo of how to sync to video, I could probably ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... , which means if the TV raster catches a glimpse of intermediate ... line up, ie $55f2 followed by $57e0?[/QUOTE]
... ! Or perhaps this is created by your program during initialization.
timing in mind could make a ...2 Spectrums (synched) playing AY tunes?After listening to a few Turbo Sound FM MP3s, I wondered... For those of us who can't build this card, couldn't we synch 2 128Ks and play these tunes…
... every frame), it would start by doing "OUT (someport), 1"... then ... should provide an accurate enough sync. Providing the slave was started ... to worry about any initial timing pulse as it would happen ...2 Spectrums (synched) playing AY tunes?After listening to a few Turbo Sound FM MP3s, I wondered... For those of us who can't build this card, couldn't we synch 2 128Ks and play these tunes…
... clocked by a quartz crystal and therefore should stay in good sync ... the cause of far more timing upset than the crystal clock ...TR-DOS in ZXDS[QUOTE=Patrik Rak;278549]The goal is to get the TR-DOS working, I have started working on that yesterday, the TR-DOS ROM paging already works nicely …
... I/O weirdness is caused by TR-DOS happily sending random ... behavior. I have ended up by honoring it in status request ... head position out of sync with track register by interrupting the step ... works on real hardware due timing delays). RDS fails two ways ...After-Christmas mapsCavelon [url="http://maps.speccy.cz/map.php?id=Cavelon"]http://maps.speccy.cz/map.php?id=Cavelon[/url] Doombase [url="http://maps.speccy.cz/map.php?…
... /> As Experienced and Retold
by
ZnorXman
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by the rope, plus it stops ... . Kicking the scorpion takes correct timing. You can also shoot the ... the platform is nearly in sync with the green thingy AND ...Atic Atac speed.Dear all, Excuse the noob question, but does anyone know how fast Atic Atac runs at? What I mean is, frames per second, or the amount of pixels the…
... it superior to the V-Sync method? I thought the latter ... ?).
Using HALT (V-Sync) gives you a head start ... display. Get drawing. Race the raster!
I suppose what ... is eaten into a little by the ROM keyscan code if ...Atic Atac speed.Dear all, Excuse the noob question, but does anyone know how fast Atic Atac runs at? What I mean is, frames per second, or the amount of pixels the…
... ]
Using HALT (V-Sync) gives you a head start ... display. Get drawing. Race the raster!
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I ... to "keep ahead" of the raster - as you say (below), ... is eaten into a little by the ROM keyscan code ... one can minimise this by setting up an IM 2 ...Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…
... right-to-left as the raster sweeps left-to right. So ... 's just a matter of timing your screen writes to not ... the same time as the raster sweep, and that isn't ... the Color Draw art package by Nop.) I think Satisfaction is ...Sinclair Light Gun and modern tellies/monitorsDoes the Sinclair Light Gun work with modern LCD/TFT/plasma screens? I have my Speccy linked up by TV card to a PC outputting to a LCD monitor, and …
... interrupt that can be triggered by incoming (buffered) data on that ... the right fake timing compared to the TV raster scan. It would ...Sinclair Light Gun and modern tellies/monitorsDoes the Sinclair Light Gun work with modern LCD/TFT/plasma screens? I have my Speccy linked up by TV card to a PC outputting to a LCD monitor, and …
... interrupt that can be triggered by incoming (buffered) data on that ... the right fake timing compared to the TV raster scan. It would ...Great ideas for comp.sys.sinclair crap games compo games that you will never programJust thought I'd start this thread with a few ideas for csscgc 2009 games that I've come up with, but will - if I'm being honest - never get round to…
... on time which is followed by a drunken busking session in ... particular order to stay in sync of the music, which the ... it is to get the timing right. Bonus points are awarded ...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…
... />
[QUOTE=cheveron;364521]The sync seems to be a little ... )?
[QUOTE=FrankT;364549]Sync a little out on my ... information, the game has 4 timing profiles:
1. 48K ... to provide a separate line-by-line function for the +3 ...Battle of the retro songs!I present you: The new release: Aqua - "Back To The '80s" [youtube]kw5s3CB_1pE[/youtube] The previous king of the retro songs: Bowling For Soup - …
... which can bugger up the timing of everything![/QUOTE]
by the electron beam, so ... to have the variable timing outcome of logical decisions ... not bugging up the timing, the same approach should ... the 192 display lines, sync code would be used to ...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…
... card has it's own timing, the CPU has it's ... that they fall out of sync leading to glitches.[/QUOTE]
by the clocks at something at ...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…
... about what you mean by "it", presumably dropped frames ... to the lack of sync between video and sound ...
In fact Fuse timing is based in terms of ... being, say, fast by 30ppm and the sound ... worst possible case caused by the actual timing hardware.
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…
... were [I]Vroom[/I] by Lankhor (impressive graphics and draw ... was vertical hardware scrolling by 8 lines, by shifting the screen ... you mess with the screen timing to effectively get the screen ... />
You could make a raster interrupt routine swap the colour ...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…
... delay instead of on the raster return, and use palette ... bottom-border removal with a raster interrupt, but never did ... may have allowed for line-by-line vertical scrolling).
... the details, but sync-scrolling is achieved by changing the display width ...Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... use a barebones audio/video sync algorithm that simply drops PC ... to follow the actual Speccy timing.
[QUOTE]- Other graphics ... C functions are completely replaced by my x86 machine code core ...KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…
... CRT PAL TV screen by seeing some details: color ... being retraced on TV by the CRT electron beam". ... display at any time driven by the ULA, and "interframe ... real proofs about not-sync'ed display of the ... my own proofs of perfect timing at *exactly* 50Hz. These ...
