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How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... two things to worry about: flicker, which is caused by graphics ... /> An easy way to avoid flicker is to simply completely draw ... the screen in a transition video frame.
Another ... you have something approaching 2 video frames to update your graphics ... -
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... pixel on one screen of video-ram, and a yellow pixel ... TV used, etc) can either flicker like crazy or look really ... -
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... pixel on one screen of video-ram, and a yellow pixel ... />
ei
;flicker loop
flicker
; Invert bit 3 ... /> cp 113
jr nz,flicker
; restore paging register ... -
Pussy - on sale againNo, it is nothing sick, it is just: european users can now buy "Pussy-the Titanic love story" on my homepage [url]http://lcd-one.da.ru[/url] again (p…
... who said it eliminates flicker? It just switches video pages every interrupt ... versa), which only slightly reduces flicker. Same can be done in ... -
Pussy - on sale againNo, it is nothing sick, it is just: european users can now buy "Pussy-the Titanic love story" on my homepage [url]http://lcd-one.da.ru[/url] again (p…
... who said it eliminates flicker? It just switches video pages every interrupt ... versa), which only slightly reduces flicker. Same can be done in ... areas into the video signal, thus eliminating the flicker associated with this ... -
Pussy - on sale againNo, it is nothing sick, it is just: european users can now buy "Pussy-the Titanic love story" on my homepage [url]http://lcd-one.da.ru[/url] again (p…
... areas into the video signal, thus eliminating the flicker associated with this ... -
what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…
... between it and the video hardware, and the larger ... size of the video RAM when in graphics ... to get much/any flicker when compared to C64 ... control by the developers. Flicker is bad for business as ... up to around 1984, flicker quite badly though. I' ... -
New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... [CODE];todo - ; speed to match video frame rate
main
flicker-free! Any suggestions most welcome ... -
zx81 help neededHi, I got a ZX81 today supposedly in working order, it was for the first two minutes, but after that the keyboard produces the wrong letter, number …
... , alternating between true and inverse video. Are there any pairs which ... constant, or do some characters flicker (and possibly change shape)? -
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…
... achieve a perfectly synchonized audio/video and smooth frame updates.
flicker.
It's possible ... -
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…
... achieve a perfectly synchonized audio/video and smooth frame updates.[/QUOTE ... longer, so you have the flicker.[/QUOTE]
I don ... -
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…
... true 50.000 Hz PAL video signal, and a decent sound ... frame drop, sprite jerk, occasional flicker, etc. on your system? -
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…
... true 50.000 Hz PAL video signal, and a decent sound ... not precisely calibrated with the video.
As I mentioned ... specs for a PC CPU/Video/Sound card, detailing the clock ... frame drop, sprite jerk, occasional flicker, etc. on your system?[/QUOTE ... -
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…
... MIDI success.
[*]Support for flicker-free hi-res monitor. The ... for TV/video editing and genlocking, but lacked a flicker-free hi ... Atari the label in the video game industry of "deceptive marketing ... -
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…
... to start with, plus the Video Toaster hardware. That's ... MIDI success.
[*]Support for flicker-free hi-res monitor. The ... for TV/video editing and genlocking, but lacked a flicker-free hi ... Atari the label in the video game industry of "deceptive marketing ... -
Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... like a charm, completely flicker free. The only problem ... [/URL]
Note video is available for a limited ... lowest possible encoding (the video on the ZX is ... monitor, hence why the video is widescreen (albeit at ... have been stretched). ZX video is 10 FPS (as ... -
Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... works like a charm, completely flicker free. The only problem of ... HL.[/QUOTE]
About video conversion, I just finished converting ... a 4min video which had all frames ... I'm downloading that bttf video clip now. I sense brownb2 ... -
Alice in Wonderland (FULL VERSION!) on ZX SpectrumNot really a game but a film and I'm uncertain which forum to put this in so (Moved it to Misc - Mod).... I've uploaded two tap video copies of [B]A…
... /> Video on real hardware without the double buffering causes attribute flicker since ... the display cannot keep up. See this video about ... was my first attempt at video on the ZX. I'll ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... screen flipping capabilities to avoid flicker. 48K support could be added ... get a certain amount of flicker, as the screen updates would ... by preparing separate 48K-compatible video files (i.e. you couldn ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... screen flipping capabilities to avoid flicker. 48K support could be added ... get a certain amount of flicker, as the screen updates would ... by preparing separate 48K-compatible video files (i.e. you ... />
Doesn't matter about flicker, would just be great to ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... ESXDOS extension to play a video directly from a specified file ... compatible format (but with more flicker, because we can't use ... get overwritten) but overall, each video frame is too dependent on ... is the way that proper video codecs get around that restriction ... -
102 colours or 120 colours on ZX?OK then, we're talkin'bout GigaScreen. Two 15-colours pictures set together. Flickering. Interlace thingie. We were counting today and theoretical…
... tried uploading interlace videos to video sites before and it just ... get an image that will flicker, to some extent. How much ... flicker you get is largely dependent ... -
102 colours or 120 colours on ZX?OK then, we're talkin'bout GigaScreen. Two 15-colours pictures set together. Flickering. Interlace thingie. We were counting today and theoretical…
... tried uploading interlace videos to video sites before and it just ... it does on the Youtube video. No flicker at all. Nice. But ... -
SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…
... causing flicker, you can probably fix them by double-buffering using video ... -
Where's it all going?[Rerouted from 'Assembler Intricacies' in Development Forum] [QUOTE=Timmy;506104]I don't think we're in disagreement here. As I've said it's a niche…
... hard to tell from the video at the rzxarchive :P ) ... the idea of having flicker-free sprites without interrupt synchronization ... most games achieved their flicker-freeness by synchronizing their ... , you would see occasional flicker still. Synchronizing with the ... -
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…
... cpc. I don't see flicker so I am not sure ... of pacman *and* doing video playback at the same time ... of (like maybe the video rendering only occurs when the ... video window is on top ... to happen and maybe the video code can write directly ... -
Great Giana Sisters (never released)[url]http://www.worldofspectrum.org/infoseek.cgi[/url] daamm, this looks like my ideal game, I love left-to-right platform scrolling games like turb…
... .youtube.com/watch?v=u9YipS3vYXM]Video 1[/url], [url=http://www ... .youtube.com/watch?v=Wfvz0MtY_bA]video 2[/url] (demo versions are ... 's version, with two screen flicker to get shade of gray ... -
Spectrum Prototype / Demo Mega TwinsI've come accross this prototype disk of an unreleased Speccy game in some old demo disks I have: [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewI…
Thanks for posting the video.
Doesn't look ... firing and that annoying attribute flicker at the top of the ... -
zx emulation on ps3 or xbox?was looking into an emu on the ps3 but i get the impression there has to be some modding done 1st? Been told that the old xboxes are good for emulat…
... Xbox to give you 100% video output because the Xbox SDK ... Xbox. It will be a flicker fest with incorrect aspect ratio ... theorethically possible to enforce the video encoder chip inside Xbox to ... -
zx emulation on ps3 or xbox?was looking into an emu on the ps3 but i get the impression there has to be some modding done 1st? Been told that the old xboxes are good for emulat…
... Xbox to give you 100% video output because the Xbox SDK ... theorethically possible to enforce the video encoder chip inside Xbox to ... expect it to look. No flicker, right aspect ratio, right colours ... to me) and how some video filters slow the emulator down ...
