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LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…
... "]here[/URL]) describes the detailed timings of contended RAM. It gives ... timings for Z80 instructions that are ... ]" mean in that table of timings?[/QUOTE]
"de:1 ... -
RGB SCART Not Working on ZX 128K (heatsink)I've just received a SCART RGB to HDMI converter and it is not working with my ZX 128K (heatsink). I do have the correct 128K SCART cable (which is d…
... , there are voltage levels and timings. Due to age resistors, capacitors ... -
Games only possible in 128K mode?In the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=30145[/url] the discussion of 128K only games comes up, and it made me w…
... sound generation, with very precise timings. This way you can have ... -
Games only possible in 128K mode?In the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=30145[/url] the discussion of 128K only games comes up, and it made me w…
Obviously, when someone says than nothing else can work at the same time when beeper music plays, it means than CPU spends all the time (i.e. 'blocked') to keeping timings in order to generate the sound. -
Lpt-ayOK, todays task is going to be building the above. I'm using the details from here: [URL="http://bulba.untergrund.net/elect_e.htm"]http://bulba.unter…
I assembled scheme LPT-AY and tested in Stealth emultator.
And I was disappointed with the result. The sound was not strong but noticeable artifacts (probably because of non-uniform timings). :oops: -
RGB SCART Not Working on ZX 128K (heatsink)I've just received a SCART RGB to HDMI converter and it is not working with my ZX 128K (heatsink). I do have the correct 128K SCART cable (which is d…
... signal, and therefore, require strict timings. Older, analog tube-based, VGA ... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... simply don't care about timings, because it is not important ... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... simply don't care about timings, because it is not important ... /> It's more than just timings, as many files don't ... -
Project OTLA / k7zx (high speed loading)Hello, I am proud fan of zx spectrum (I do not have speccy, but clones (Didaktik Gama, Didaktik M)), I am using portable CD player to load games. Al…
... is very true and throws timings off quite a bit, but ... -
Silly question on Russian clonesIv a silly question to ask... Iv been looking at web links about Russian ZX clones with envious eyes, wondering if I might spend money on something…
Russian clones has timings similar to PAL/SECAM, however ... system, actually, but with PAL timings anyway. Old clones had SECAM ... . VGA has it's own timings, unrelated to PAL/NTSC, however ... -
Silly question on Russian clonesIv a silly question to ask... Iv been looking at web links about Russian ZX clones with envious eyes, wondering if I might spend money on something…
... the scorpion has identical ULA timings except for the contended memory ... -
Tool Assisted Speedplay on ZX Spectrum?I wonder if anyone ever thought about adding [url=http://tasvideos.org/WelcomeToTASVideos.html]Tool Assisted Speedplay[/url] support in ZX Spectrum e…
... this will mess up the timings on a snapshot without the ... -
Tool Assisted Speedplay on ZX Spectrum?I wonder if anyone ever thought about adding [url=http://tasvideos.org/WelcomeToTASVideos.html]Tool Assisted Speedplay[/url] support in ZX Spectrum e…
... as keypress and network packet timings and uses that to produce ... -
Cant DecideI have had a lot of spectrums in my time from the 16k to the +3 and as we all know they all have flaws. I am thinking about buying another and wanted…
... , as they have their own timings (since they those have circuits ... -
ZX48K 128K modHas anyone make this mod to the ZX48K? Does it work? [URL]http://hw.speccy.cz/128krebuild.html[/URL] Micky
... it all working. However, the timings won't be right. On ... -
New Russian ZX clones available?Is it possible to buy new Russion ZX clones? I mean where these computer build nowadays? Micky
... /28 MHz, 128K, AY, Pentagon timings, PS/2 keyboard and mouse ... -
New Russian ZX clones available?Is it possible to buy new Russion ZX clones? I mean where these computer build nowadays? Micky
... /28 MHz, 128K, AY, Pentagon timings, PS/2 keyboard and mouse ... -
The most unique game loaderFor me it has to be Technician Ted, when the stripes give way to walking men and a timer.
... ; perhaps something to do with timings/latency...).
Btw, WOS doesn ... -
The most unique game loaderFor me it has to be Technician Ted, when the stripes give way to walking men and a timer.
... ; perhaps something to do with timings/latency...).
Btw, WOS doesn ... -
Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…
... the 32k rampack.. has different timings than well normal internal ones ... -
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…
... as expected, although with the timings all out of sync. This ... -
Help! Reverse engineering a Spectrum game[deleted]
... or to keep the instruction timings to some specific value or ... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... different method, where all the timings should be very exact, otherwise ... -
DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…
... /> I think divIDE has strict timings which together with automapper makes ... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... different method, where all the timings should be very exact, otherwise ... -
Help with loaderHelp! I have been racking my brains for too long, and so it?s time to ask for help. Kyd Cadet II is about 98% complete now and I am trying to put to…
... compiled before 32768, or the timings will be screwed due to ... -
Any expert on not-standard game loaders here?Maybe someone could help me... I have had on my hard disk for a quite a long time some Polish games and utilities which lack the complete .tzx versi…
... screen tzx'd, but the timings are wrong so it doesn ... -
Zero (aka Ziggy) 0.4.5The 0.4.5 preview build is available for er... preview. There are still some bugs and glitches to iron out but I have taken various suggestions on bo…
... data [i]with the same timings[/i].[/QUOTE]
How ... and custom data with same timings is to have them properly ...

