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Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... ? As soon as someone mentions vertical blank-based routines I get the ... -
TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …
... how I check for a vertical-blank?
Thank you ... -
Beginner InfoI have trying to find some hardware information for use with assembly coding but havn't had much luck. For instance. How do I redirect the vertical …
... /> How do I redirect the vertical blank interrupt so it points as ... -
CopperlistIf anyone knows how to create copperlist for ZX Spectrum? Vertical blank interrupt handling?
If anyone knows how to create copperlist for ZX Spectrum?
Vertical blank interrupt handling? -
Something i'd like to see in future spectrum emu'sI haven't checked every emu out so i hope this hasn't been implemented somewhere already...one thing i'd like to see is a special enhanced mode where…
... /> may games sync to the vertical blank via HALT but often take ... -
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... ? As soon as someone mentions vertical blank-based routines I get the ... -
TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …
... routine (CPU clock tact).
Vertical blank... I have no idea how ... -
TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …
... how I check for a vertical-blank?
[/quote]
Either ... -
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
... two components.
1 Vertical blank interrupt that displays and then ... -
EmuZWin 2.5.0.1Version 2.5 Release 1.0 (10-Jun-2004): a lot of changes and fixes in ??? Map Builder ??? GFX Editor ??? Loading & Saving ??? Sound & Video ?? Speed…
... -Jun-2004):
[+] Flip Vertical now works also when Multicolor ... option added: [B]Synchronize with Vertical Blank[/B].. It has no effect ... -
Beginner InfoI have trying to find some hardware information for use with assembly coding but havn't had much luck. For instance. How do I redirect the vertical …
... be great to setup the vertical blank interrupt, and read the keys ... -
Arcadia - by ImagineArcadia, by imagine. I thought I'ld play this last night, but its pretty awful to control Anyone know whats with the random movement and occasional…
... when read outside of the vertical blank on a Spectrum without the ... -
Amiga softwareWill PAL Amiga games (originals) work on a NTSC Amiga? I'm looking for Carrier command and Starglider II but they are thin on the ground over here. …
... [2] Amiga games used the vertical blank interrupt for timing, NTSC games ... -
Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... screen drawing immediately after the vertical blank/maskable interrupt. That way, not ... -
Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... screen drawing immediately after the vertical blank/maskable interrupt. That way, not ... -
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 - …
... logic is relegated to the vertical blank.
In the Spectrum ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... scan-line basis or on vertical blank. i would like to know ... will be applied ? on vertical blank / on hz blank / just after out ? (very ... work even with change on vertical blank. without interrupts raised on specified ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... will be applied ? on vertical blank / on hz blank / just after out ? (very ... work even with change on vertical blank. without interrupts raised on specified ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... will be applied ? on vertical blank / on hz blank / just after out ? (very ... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... the suspicious [B]312[/B] vertical resolution of one of the ... display area, well into the vertical blank zone. [B]In this zone ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... RAM mode, hijack the main vertical blank interrupt of a game to ... any one of four horizontal/vertical combinations saving memory.
vertical blank interrupt to trigger directly after ... -
How to Extract a Font from a Game?I remember it was possible to load/save your own fonts in ArtStudio on my Speccy. I also remember it was possible to loop the loaded block of a game …
... stored with some kind of vertical offset. Anyways, I still will ... . I used to hijack the vertical blank interrupt to run my own ... -
decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... displayed (such as during the vertical and horizontal blanking intervals, where ... . No idea how long the vertical blank takes though. That could be ... -
decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... . No idea how long the vertical blank takes though. That could be ... -
decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... about missing data during the vertical blank earlier made it sound exactly ... that was lost during the vertical blank at the end of each ... -
Converting PAL +2b to NTSC[B]Hello my fellow WoS'ers[/B] I have a strange request for your knowledge and advice. A chap in the US would like to use a Spectrum +2B, however w…
... a loop counting from the vertical blank. If the NTSC output has ... -
Converting PAL +2b to NTSC[B]Hello my fellow WoS'ers[/B] I have a strange request for your knowledge and advice. A chap in the US would like to use a Spectrum +2B, however w…
... a loop counting from the vertical blank. If the NTSC output has ... -
Were there other graphic modes for the ZX Spectrum?I've read that there was a "hi-color" mode that allowed the color clash to be 8x1 instead of 8x8. Maybe I have the name of that mode wrong. I'm…
... was to interrupt on the vertical blank? Because that was the only ... -
NTSC Compatibility?Correct me if I'm wrong, but wasn't the Timex 2068 the only NTSC clone built of the ZX Spectrum? And I use clone lightly... From what I underst…
... need to wait for the vertical blank interrupt, count cycles down to ... Y, then, during the horizontal blank, alter the attribute table for ... the ULA has generated a vertical blank is the one time the ... -
Contended memory article on WikipediaYeah, apparently there's one. https://en.m.wikipedia.org/wiki/ZX_Spectrum_Contended_Memory [quote] However, the ULA must wait for a Z80 read or wr…
I agree, waiting for a vertical blank (maskable interrupt) in order to ...
