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MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... ) also rely on bits 3 and 5 of flags being ... doesn't require full "MEMPTR" emulation across the entire instruction set ... it certainly needs partially correct emulation if memory serves me right ... few games that require accurate 3+5 emulation, and thus MEMPTR.
MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... few games that require accurate 3+5 emulation, and thus MEMPTR.[/QUOTE ...Zodiac on the OricI played my first game on an Oric at the weekend. I was struck by the slow speed of the parser. It took about 6 to 8 seconds between typing somethin…
... chip, it's the same AY-3-8192 as used in the ...AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…
... true only for YM2149, not AY, IIRC.
Tone generator ... />
Interesting, because the Mame AY code says this:
AY-3-8910 and YM2149 chips. */
AY 8192 is from the 8190 ...DIVIDE 2k11hello, just short link - for Your info (cpld, 4 layers, rohs, cpld code for future development for clones..) [url]http://lotharek.pl/product.php?…
Myth - History in the Making (Sound..??)New to this forum (but not to speccy ownership!!) and have just been given a game I never owned as a kid all those years ago... Myth - History in the…
... just need to source a AY Sound Interface so I can ... .uk/kempay-kempston-joystick-und-ay-3-8910-sound-interface/a-8223 ...Dataline check on Spectrum 128k +2 greyhi all according with this [url]http://tcg.speccy.cz/zoom/pics/plus2sch.png[/url] R22 pin goes to A14 wich is pin 43 of ULA and pin 4 of Z80 bu…
Dataline check on Spectrum 128k +2 greyhi all according with this [url]http://tcg.speccy.cz/zoom/pics/plus2sch.png[/url] R22 pin goes to A14 wich is pin 43 of ULA and pin 4 of Z80 bu…
128k Music TrackerCan someone point me in the right direction with this please. I need a straight forward idiots guide for creating music on the 128. I was looking for…
... Tracker is designed for composing AY music, what is the ... had 48k speccy / TC2048 + AY 3-8910. First polish demos also ... uses only 48k+AY. Many games works with ... 48k+AY also, and don't ... Almost complete list of 48+AY games on the Yerz's ...Old homemade hardware?Hey there, I've been given a bunch of ZX Spectrum stuff, I've mostly fixed the computer, just need a membrane. But what I was wondering is that there…
... not compatible with the 128K + AY chip decoding.
[I ... back in 1982 with a AY-3-8910, two decoding chips and ... games were programmed for the AY-3-8910 interface those days. I ...Old homemade hardware?Hey there, I've been given a bunch of ZX Spectrum stuff, I've mostly fixed the computer, just need a membrane. But what I was wondering is that there…
... back in 1982 with a AY-3-8910, two decoding chips and ... games were programmed for the AY-3-8910 interface those days. I ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... />
For perfect Spectrum +3 border emulation it has to be SpecEmu ... version "3.0.b270412" or later ... versions of SpecEmu emulating Spectrum +3.Old homemade hardware?Hey there, I've been given a bunch of ZX Spectrum stuff, I've mostly fixed the computer, just need a membrane. But what I was wondering is that there…
I've checked the AY-3 chip itself, works perfectly. Does ... that would work with that AY-3 chip interface for the speccy ... .1 and some demos with AY support, but they all fail ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... ;720339]For perfect Spectrum +3 border emulation it has to be SpecEmu ... version "3.0.b270412" or later ... versions of SpecEmu emulating Spectrum +3.[/QUOTE]
There is some ... with AVG antivirus, but version 3.1 build 04/09/12 ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... not timing perfect in its +3/+2A emulation?Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
[QUOTE=aowen;720397]I thought everyone knew Spectaculator is not timing perfect in its +3/+2A emulation?[/QUOTE]
Well, there you go. There is a lot of catching up for me to do, apparently.SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... cleared on cold restart.
[*]3 new functions.
[*]7-bit ... virtual co-processor definitions.
[*]AY silenced on BASIC report.
[*]AY-3-891x support: SOUND 1,2 ... ;3,4.
[*]Based on the ...Homebrew ZX Spectrum kits for DIY builders !Hi. I'm considering selling Homebrew ZX Spectrum kits on ebay... hopefully at a low price ! They'd consist of : Z84C0020PEC Z80 CPU …
... DIP $1.50 or $3.50
64k or ... PLCC $2.0
AY-3-8910 PSG (with two parallel ... />
128K NVSRAM DIP $3.50
AM9511 Maths Co ...Homebrew ZX Spectrum kits for DIY builders !Hi. I'm considering selling Homebrew ZX Spectrum kits on ebay... hopefully at a low price ! They'd consist of : Z84C0020PEC Z80 CPU …
turbosound for ZX, job almost doneIs almost ready, here is short video ,running prototype based on AY magic [url]http://www.youtube.com/watch?v=9DOn9UcCi9I[/url] Here is sample how …
SAMPLE-TRACKER vast INSTRUCTION with screensHi, I wrote it mainly for CrashNicker and other 1-bit / Beeper users, but I suppose it could be also useful for every lo-fi musician (YM/AY chip, Co…
... Speccy emulator that has no AY support - it does only beeper ... that emulator explicitly states "no AY-3-8910 support", and Iv played ...RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…
[QUOTE=1024MAK;767193]The AY sound chip used in the ... 128k/+2/+2A/+2B/+3 machines has one 8 bit ... . But the TS2068 uses an AY-3-8910 with two I/O ...RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…
... . But the TS2068 uses an AY-3-8910 with two I/O ... are directly connected to the AY sound chip, and there are ...SampleTracker: does it use envelopes or just PWM?Does SampleTracker accomplish its three channel digital audio via pulse width modulation alone or are envelopes involved? As a thought experiment, I …
Good find. According to the visual representation, volume levels are logarithmic on the SN76489 as well. Looks like it is indeed possible to get results similar to the AY-3-8910 with the SN76489, but it doesn't look implemented in practice.Game development guidesHello all, I want to get into game development for the ZX Spectrum and would like to know where I can find some helpful guides. I've looked around t…
... paging scheme and the common ay-3-8910 sound chip for music ...AY Sound interface for Spectrum[img][URL=http://s730.photobucket.com/user/scarrabri/media/7b3ddd4c-5cf0-4cc9-9f80-57237f4c68ab_zpsw4xzca7n.jpg.html][IMG]http://i730.photobucket.com…
... chip on it? (or eventually AY-3-8910, which is similar?) If ...AY Sound interface for Spectrum[img][URL=http://s730.photobucket.com/user/scarrabri/media/7b3ddd4c-5cf0-4cc9-9f80-57237f4c68ab_zpsw4xzca7n.jpg.html][IMG]http://i730.photobucket.com…
Hi thanks again and yes the picture is the one I have bought and it does indeed have the YM2149F fitted on it , is the AY-3-8910 any better ? just curios' Brian.AY Sound interface for Spectrum[img][URL=http://s730.photobucket.com/user/scarrabri/media/7b3ddd4c-5cf0-4cc9-9f80-57237f4c68ab_zpsw4xzca7n.jpg.html][IMG]http://i730.photobucket.com…
The YM2149 is a development of the AY-3-89XX series.
[b][i]Mark[/i][/b]AY Sound interface for Spectrum[img][URL=http://s730.photobucket.com/user/scarrabri/media/7b3ddd4c-5cf0-4cc9-9f80-57237f4c68ab_zpsw4xzca7n.jpg.html][IMG]http://i730.photobucket.com…
... similar. I've tried one AY-3-8910 but I think it ... -with-spectrum-2-or-128-ay-sound-test"]see this thread ...AY Sound interface for Spectrum[img][URL=http://s730.photobucket.com/user/scarrabri/media/7b3ddd4c-5cf0-4cc9-9f80-57237f4c68ab_zpsw4xzca7n.jpg.html][IMG]http://i730.photobucket.com…
... are only minor differences. The AY-3-89XX series was developed for ...
