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Need help from people with CRT TVs (50 Hz)I’m wrapping up the development of my [url="https://www.worldofspectrum.org/forums/discussion/54152/new-game-a-yankee-in-iraq-2017-a-shoot-em-up"]gam…
... the good-old 60 Hz vs 50 Hz LCD/CRT problem raises ... />
1—every field (50 Hz)
2—every other field ... /> 3—every third field (17 Hz)
Now, under ... this is to a real 50 Hz CRT TV). Option 2 ... attention to the border colors—I use it for ... -
50 Hz / 60 Hz switch in Timex Computer 2068I'm not sure if this is common knowledge, I've certainly never read about it online, though it may be documented in Portuguese or Polish. There is a…
... />
There is a 50 Hz / 60 Hz mode switch in the Timex ... nothing to do with the 50 Hz / 60 Hz mode; that is simply ... SCLD pin which controls 50 Hz or 60 Hz mode selection. The default ... connected; this gives you normal 50 Hz PAL operation. Connect the jumper ... -
The quest for true 50 HzAfter experimenting with interframe blending on Sinclairean, I wonder if someone has ever managed to get a custom Spectrum-friendly 50 (or better, 50…
... a custom Spectrum-friendly 50 (or better, 50.08!) Hz video mode on ... -
damn 60 HzYou know I am really glad that ZX Spectrum is 50 Hz only. Not only the games always run in correct speed (unline Atari, Commodore, Sega, Nintendo...)…
... glad that ZX Spectrum is 50 Hz only. Not only the ... PAL CRT TVs handle the 50 Hz signal without issues which is ... Philips 14PT1354 is stable at 50 Hz but a bit shaky ... the fact is that 60 Hz picture is less crisp ... even when they support 60 Hz on the paper, are not ... -
Recommend Monitor for Speccy +2Just bought a speccy +2 to play on in my studio on downtime, can anyone recommend a good RGB monitor for it?? as the TV signal is a bit migrane indu…
... will get from an old 50 Hz Monitor with RGB input like ... are very sharp with brilliant colors).
A prooved description of ... -
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…
... completed in say 1/50 of a second. Another ... higher priority, such a memory swap, buffer flush, etc. ... able to sync at 50 Hz, the point is that ... to workaround 50 Hz refresh on standard 60 Hz LCDs: simply ... a double framebuffer at 50 Hz, and blend a fraction ... -
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…
... completed in say 1/50 of a second. Another ... higher priority, such a memory swap, buffer flush, etc. ... to workaround 50 Hz refresh on standard 60 Hz LCDs: simply ... a double framebuffer at 50 Hz, and blend a fraction ... 24 fps film to 60 Hz.[/QUOTE]
... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... RGB at 50 Hz as the harlequin does. It has more colors but ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... RGB at 50 Hz as the harlequin does. It has more colors but ... -
Better graphic in new ZX gamesLCD TV (ideally full hd) used with ZX Spectrum enable using new graphic modes with 2x higher vertical resolution, more colors and without attribute c…
... , TVs that (can) convert the 50 Hz input video signal into a ... 25 Hz one. On regular TVs—that ... better description) to produce extra colors, but it was generally limited ... -
Limitations of emulationsYears ago at a trade fair, I got chatting to the guys who programmed [i]Gyron[/i]. They were demonstrating it and showed me an undocumented feature: …
... modern systems run at 60 Hz on LCD displays, while the ... with a refresh rate of 50 Hz.
The effect you ... stable mixture of the two colors displayed in each subsequent frame ... -
Limitations of emulationsYears ago at a trade fair, I got chatting to the guys who programmed [i]Gyron[/i]. They were demonstrating it and showed me an undocumented feature: …
... modern systems run at 60 Hz on LCD displays, while the ... with a refresh rate of 50 Hz.
The effect you ... stable mixture of the two colors displayed in each subsequent frame ... -
Timing... in the CSS faqI was looking at the CSS faq for something completely unrelated and noticed: [quote] Then the 192 screen+border lines are displayed, followed by 56 …
... long, which means that the '50 Hz' interrupt is actually a 3 ... .5MHz/69888=50.08 Hz interrupt. This fact can ... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
...
[*]Smooth screen updates and 50 Hz conversion
[/LIST]
The ... frequency is different from 60 Hz
[*]Only a generic Trinitron ... -
TV Pal, odd and even framesI have been researching, but haven't found any real interesting information on this subject, so far. What I mean is, since TV PAL signal is interl…
... on your TV. So 50 frames per second (50 hz), actually means 25 ... -
TZX/Taper headachesI've been doing a stocktake of all my Spectrum stuff, most of which I bought in a job lot a few years back, and there's a whole load of covertapes in…
... , surprise surprise, that's a 50 Hz mains signal, but it disappears ... -
CRT VGA monitor: 640x480@50Hz is possible?Anyone knows or has any information regarding a particular brand/model of VGA monitor capable of attaining such screen resolution at 50 Hz vertical r…
Anyone knows or has any information regarding a particular brand/model of VGA monitor capable of attaining such screen resolution at 50 Hz vertical refresh rate? :-? -
Speed-up tool Pac Speed Tweaker for zx Pac-Man emulatorHello, The zx pacman emulator by Simon Owen is running at 83% of the arcade version speed. . It's because the game is rendered at 50 Hz (50.01Hz…
... the game is rendered at 50 Hz (50.01Hz exactly on the zx ... -
Confounded modern thingsIt appears the server instability has left a gap in the forums listing so I'll post this again. Given a complete lack of anything on the projects pa…
... 't have to keep a 50 Hz screen update in that kind ... -
Your favourite machine apart from The SpectrumI've asked this on a couple of other sites, so now it's time to ask it here: what is your favourite machine, forgetting about the Speccy? For me, it'…
... single Spectrum game that had 50 Hz full screen scrolling or moving ... was "only" updated at 25 Hz.
Most games developed ... -
Your favourite machine apart from The SpectrumI've asked this on a couple of other sites, so now it's time to ask it here: what is your favourite machine, forgetting about the Speccy? For me, it'…
... pixel at a time at 50 Hz, then the game would chop ... 8 pixels a time at 50 Hz. The alternative that most speccy ... times per second (i.e. 50 / 8 = 6.25). At such ... -
AY 8912 QuestionI got some problem... Does anyone have a formula to convert from Hz / kHz to the Pitch value of AY Sounchip of Spectrum? Please help...
Thanx, I got it! The formula is; pitch=1760000/(hz*16). The Oscilator frequency of AY in Spectrum is 1.76 Mhz (half of CPU clock)... So the Pitch for a 50 Hz tone is 2200 -
More "fake" screenshots, please.I don't know about anyone else, but I really like seeing Spectrum screenshots of modern and/or original games - even if there ends up being no game t…
... a smart engine that will swap colors depending on what would look ... what the graphics are, what colors are used and how the ... -
Connecting a PC's VGA monitor to speccy's RGB...I've searched the entire web for this... can anyone help me? I want to talk with my speccy...
... 15 KHz horizontal sync and 50 Hz vertical... hasn't this circuit ... -
Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... generate the cpu clock and 50/60Hz vertical blanking interrupt.
(there are 50 frames per second in Europe ... 60 Hz (cycles per second),
these programs must replace 50 by ... original wall wart designed for 50 Hz.
[ This ... -
Determining 50hz/60hz in softwareHow can you determine in software if you are running at 50hz or 60hz?
... what it will return 60/50 Hz
Then in inrtupt ... -
Determining 50hz/60hz in softwareHow can you determine in software if you are running at 50hz or 60hz?
... -Blanks (interrupts). Longer time - 50 Hz, shorter - 60 Hz, assuming that CPU clocks ... -
Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…
... same as a 128k spectrum (50 Hz most important). Spectrum tunes are ... 60Hz(Atari ST) and Manual(Hz) of 1764750 when composing. You ...
