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Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…
... 1981, Acorn looked at the AY-3-8910 datasheet and saw ... more permissive with regards to bus timings than was documented. I ... enough computers around using the AY-3-8910 for this to ... -
Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…
... interfaced directly to the CPU bus.[/quote]
If anyone wants ... prior to mixing with an AY-3-891[02] or SAA1099 ... like to make a dual-AY, dual-SAA + single SN76489 audio ... -
The Compact Disc - Your First or early Memories and Experiences.I've been getting very passionate about my vinyl collection recently, but that has also got my thinking about CDs and casting my mind back to when I…
... taunton which was 45 minute bus journey away, and I used ... little bits of plastic were floating around inside. that never seems ... -
SpecNextThis looks interesting... http://www.specnext.com/
... DivMMC compatible protocol
Audio AY-3-8912 or FM2149 chips ... ; ear sockets
Original expansion bus port
Accelerator slave board -
1986-2016.I'm early, but I'm tired of 1985. So here's the annual thirty-years after topic about Speccy games.
... -style[/b] via [b]Bubble Bus[/b]'s [b]Starquake[/b ... means, while zapping dozens of floating and swirling nasties with the ... -
which one bit of hardware would people want re-made?I'm just curious in the sense of I see interface 1's go for a fair bit on ebay and also multiface units etc.. so whats the one thing that you don't …
... "][QUOTE=Mister Beep;399522]External AY for 48K - exists already (again ... an External device for ZX-bus, with AY or YM, with Pentagon ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... &t=4447#p74244"]external AY interface[/url] some months ago ... if it included an expansion bus on the back too.
AY) sound outputs. -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... data bus ?[/quote]
No, d5-d7 are not floating, but ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... data bus ?[/quote]
No, d5-d7 are not floating, but ... -
Why do we have to live with colour clash on the Spectrum Next - if it ever gets sold!I can fully sympathize with those who would like to see a 'new' Spectrum, presumably modelled on the last and best version with perhaps the option to…
... DivMMC-compatible protocol
Audio: AY-3-8912 or FM2149 audio ... saving
Expansion: Original external bus expansion port and accelerator expansion ...
