-
128k ULA pinout?Is there someone who has a circuit diagram or pinout for the 128k (+2) ULA?
... faster than the 48K CPU: 3.5469MHz.
A divide ... 10 stage gives the AY-3-8912 clock (pin 3 "C")
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... this "ULA". For example, an AY-3-8912 can be implemented inside ... it, to give 128K AY-style sound to 48K machines ... implementation would have to contend AY ports, which are not actually ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... this "ULA". For example, an AY-3-8912 can be implemented inside ... it, to give 128K AY-style sound to 48K machines ... implementation would have to contend AY ports, which are not actually ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... this "ULA". For example, an AY-3-8912 can be implemented inside ... it, to give 128K AY-style sound to 48K machines ... implementation would have to contend AY ports, which are not actually ...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…
... is an update of the AY-3-8912 emulation info (point 9 ... />
1) The frequency of AY-3-8912 is half the ZX ... AY-3-8912 frequency
3) Tone frequency is 1/(16*tone_period) of AY-3 ... is 1/(16*noise_period) of AY-3-8912 frequency
5) Period ...Getting an 14Mhz crystal to oscillate?I am building a circuit with an 74LS32 and a 74LS193 to work as frequency divider. Though I have hit a snag, how to I wire up a crystal to make it os…
... am trying to get an AY-3-8912 internally. This is only ... 1.75Mhz clock for the AY chip. That is why I ...FBZX Wii ReleasedJust tried this out on my Wii and it seems pretty good. 128K AY sound not very good but the emulator is highly configurable. Not bad for a first rele…
... format
- Fixed bug in AY-3-8912 emulation
Thanks ...FBZX Wii ReleasedJust tried this out on my Wii and it seems pretty good. 128K AY sound not very good but the emulator is highly configurable. Not bad for a first rele…
... format
- Fixed bug in AY-3-8912 emulation
Great ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... raster, or even a complete AY-3-8912 chip on FPGA and ...Magnum Light Phaser issueHi! I have a Spectrum +2A and I have recived a [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=1000237"]Magnum Light Phaser[/URL]. I have tes…
... I/O lines of the AY-3-8912 (see the manufacturer ... Basically, register 16 of the AY-3-8912 controls eight
I ... (CTS out)
3 RS232 pin 3 (RXD out)
...
using bits 2, 3, 6 and 7). Alternatively, ... 6 5 4 3 2 1 |
3 INPUT BIT 4 ...Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
... internally; none are redundant. The AY-3-8912 is designed to accept ... by register 14 of the AY-3-8912 sound generator." ..... register 14 ... bits 2 (CTS out), 3 (RXD out), 6 (DTR in ...Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
... /> [QUOTE=toadstool;667234]
The AY-3-8912 is designed to accept ... tested midi output from my +3, you simply connect the 0v ... convert the midi values to AY frequencies.WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... the possibility of adding an AY-3-8912 to the final ... . The sound of this AY outputs from the same MIC ... . MIC jack outputs a clear AY sound :)
I'm ... considering adding a second AY core in [url=http:// ... listen to [url=http://ay-riders.speccy.cz/]Madonna's ...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…
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... -128, Multiface 1 and Explorer (AY-3-8912 sound interface). I can ...Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... -128, Multiface 1 and Explorer (AY-3-8912 sound interface). I can ...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…
... is the addition of a AY-3-8912 core.
For information ...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 ...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 ...FUSE on OSXHello peeps, Long time no speak! I am trying to set up some emulators on my MacMini (launched via XBMC), and of course, Speccy emulation is a mus…
... Use ACB stereo for the AY-3-8912 sound chip.
--sound ...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 …
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…
... are directly connected to the AY sound chip, and there are ... switches connected to bits 0 - 3 of port A and both ... bit 7. It's an AY-3-8912 chip like on the ... up port A of the AY chip for the original 128K ... the 1488 and 1489 chips (3) I want to use modified ...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…
... /left/right/fire joystick lines (AY-3-8912 IOA7, IOA3, IOA2, IOA1 ... 0.7V and prevent the AY-3-8912 pins from sinking current ...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…
... /left/right/fire joystick lines (AY-3-8912 IOA7, IOA3, IOA2, IOA1 ... 0.7V and prevent the AY-3-8912 pins from sinking current ... to ground. Pins 1, 2, 3, 4 and 6 will go ... is now direct access to AY port bit 2.Several software titles, maybe interesting for preservation purposes?I don't know if this is an appropriate post in the appropriate forum, but this is my question. I have about 40 ZX Spectrum games and other software …
... ; Veronica Colin, published by Logic-3 in 1984.
WoS entry: [ ... Spectrum$&pub=^Logic+3$&loadpics=3"]http://www.worldofspectrum. ... +Spectrum$&pub=^Logic+3$&loadpics=3[/URL]
... label by Wolters-Noordhoff in 1984. It is a box ...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 …
... no PWM in Sample Tracker, AY can be hacked to act ... works. In fact, volume on AY has logarithmic scale so direct ... , linear samples are recomputed to AY values. Also, non-linear scale ... ]http://en.wikipedia.org/wiki/AY-3-8912[/url] (god bless wikipedia ...1-resistor fix to +3 sound distortion issue - any feedback?I decided - with my Dad's help, since I am little less than a butcher when it comes to soldering - to fix my +3 sound issue. I noticed the less invas…
... with when I did the +3 sound fix.
Spectrum ... +3 sound fix
Put ... was the connecting together of AY-3-8912 audio channels A, B ... sound on the +3. The volume of the 3 AY channels was now ...ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…
... device that acts like two AY-3-8912 for turbo sound that ...
