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Another odd +2 board - no composite video partsI was checking a stack of grey +2's, and found a board where the modulator was missing. First I thought that someone must have pulled it off to use o…
... a correct voltage for the blanking signal (scart pin 16).
blanking, like on the +2A/B ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
Why do the early spectrum games flicker but later ones like R-Type have loads of sprites but never flicker? -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... do the early spectrum games flicker but later ones like R ... loads of sprites but never flicker?[/QUOTE]
If "screen ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... next frame, so seems to flicker.
If you can ... border, then you get no flicker.
Another solution is ... would cause these games to flicker as they reproduced the screen ... -
C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…
... considered adding features like 'sprite flicker' and such, but faking a ... -
Poor C64 speccy conversions[youtube]fNoqq9Vfc0g[/youtube] I ran across the above - and was struck by the graphics. At first I thought it was the speccy version, but then I rea…
... and/or deal with some flicker.[/QUOTE]
It only ... -
Video problem on grey +2I have a bad video problem on grey +2. The computer is in a poor shape, but the major problem is with the video. With a (known good) SCART cable I ca…
... the Spectrum on pin 16 (blanking), then... it could even be ... -
Another vertical scrolling questionwhile talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models? has extra ram or swappable screen buffer any…
The advantage is you can more easily avoid flicker or tearing. But you have to work hard for it, just as you do on the 48K. -
Video problem on grey +2I have a bad video problem on grey +2. The computer is in a poor shape, but the major problem is with the video. With a (known good) SCART cable I ca…
... of CSync to drive the blanking SCART pin 20). That could ... -
New game: Tea and SympathyHere's something I knocked up in a few days with AGD, a horizontally-scrolling shooter featuring some very nice sprites Binman drew a while ago which…
Yep, nice one Yerzmyey. Erm - slight bug. I occasionally see a flicker where the main ship turns into whichever enemy last appeared. -
New game: Tea and SympathyHere's something I knocked up in a few days with AGD, a horizontally-scrolling shooter featuring some very nice sprites Binman drew a while ago which…
... bug. I occasionally see a flicker where the main ship turns ... -
z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... /> when using LDIR there is flicker but not with LDI (as ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... . When it's driving the blanking signal, it's down to ... high....[/QUOTE]
Your blanking signal input does not satisfy ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
That's what I'm saying - the blanking signal should be wired up correctly (as in Paul's document you link to), definitely NOT the composite sync signal from the ULA. -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... what I'm saying - the blanking signal should be wired up ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... these cables to provide the blanking. The CVBS is (correctly) being ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
I have always found that to be a very (pardon my French) idiotic arrangement.
All the cables I've made use the CSync for ... sync and I use a 1.5V AA battery for the blanking/switching pin.
Works on all TVs I've tried, by the way. -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... these cables to provide the blanking. The CVBS is (correctly) being ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... ]
The FUNCTION SWITCHING and BLANKING pins have not been connected ...
SWITCHING input. If the BLANKING pin needs to be connected ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... wrong because I misquoted the Blanking Pin Impedance as being > ... />
Time to remove the Blanking connection and see if both ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... c, ed_c_done ; jump if no blanking required
jr nz, ed_spaces ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... .5V AA battery for the blanking/switching pin.[/QUOTE]
< ... signal to feed into the BLANKING pin:
[IMG]http:// ... voltage level suitable for the BLANKING input. Therefore, the strain ... as using CSYNC for the BLANKING input. Ideally all signals from ... -
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…
... line instead. It caused some flicker but in the end it ... -
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…
... line instead. It caused some flicker but in the end it ... probably get rid of the flicker by doing a HALT just ... -
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…
... probably get rid of the flicker by doing a HALT just ... -
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 …
... full screen, at 50fps and flicker free. Yes, there are many ... -
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 …
... full screen, at 50fps and flicker free. [/QUOTE]
The ... -
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…
... />
Likewise, it could introduce flicker at the top portion of ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
... detects a voltage on the blanking pin and switches whether there ...
