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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…
... store FPGA configuration. An optional AD724 can be used to encode ... the modulator box (if the AD724 is included). Of course, RGB ... -
So for my first trick...I'm sure people have already used the AD724 or AD725 on other 8 bit machines, and i know the Harlequin uses the 724, but not seen anyone trying to us…
... people have already used the AD724 or AD725 on other 8 ... , bypassing the TEA2000 completely. The AD724 and AD725 can work directly ... -
+2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?
... am assuming based on an AD724 or AD725 chip) will certainly ... -
+2 grey composite modWithout digging out the schematics, is it possible to do the composite mod like the 48k on these?
... am assuming based on an AD724 or AD725 chip) will certainly ... -
RGB to S-Video and Composite Adapterif I produced a dongle that generated composite and s-video from the RGB socket on +3 and Black +2 spectrums would anyone be interested? I'm thinkin…
... RGB to Composite by using AD724. I plan to use this ... -
RGB to S-Video and Composite Adapterif I produced a dongle that generated composite and s-video from the RGB socket on +3 and Black +2 spectrums would anyone be interested? I'm thinkin…
... RGB to Composite by using AD724. I plan to use this ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
[QUOTE=Jose_Leandro;599636]Hi
Not exactly. This clone gives RGB signal and have the possibility of compositive video using AD724 chip[/QUOTE]
Exactly as the Harlequin. This day and age I'd stick with rgb though.Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... price for the components ( except AD724 that it not include because ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... price for the components ( except AD724 that it not include because ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... price for the components (except AD724 that it not include because ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... a reasonably good source of AD724's
[url ... .co.uk/itm/10-AD724JR-AD724-RGB-NTSC-PAL-Encoder-IC ... .uk/allhomesales/_i.html?_nkw=ad724&submit=Search&_sid ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... EPROM burned): about 32?
AD724 kit(with the associated components ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... :
-Resolved problem with AD724 (thank to flopping , mcleod, don ... the article, I received the AD724 ( the chip that make RGB ... you are a purist). The AD724 loss 4 lines of the ... to change the crytal for AD724 and cut the "default" track ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... hobbist entusiasts: all ICs (except AD724) are in DIL package, passive ...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…
This is really amazing work. Among other things I appreciate the extra video output possibilities. The AD724 would be in that spot next to the crystal, correct?
/PedroWIP: 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…
... extra video output possibilities. The AD724 would be in that spot ... FPGA, platform ROM, oscillator and AD724 as main components. The majority ...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…
... lot easier and with the AD724 the composite video generation problem ...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…
... lot easier and with the AD724 the composite video generation problem ...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…
... poorer than that of the AD724.
Depending on the used ... that uses the AD724 I found. Nethertheless the AD724 allows a simple ...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…
... poorer than that of the AD724.[/QUOTE]
Well the ...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…
... Platform ROM chip and the AD724.
[img]http://www.zxprojects ...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…
... place, so it's the AD724. The platform ROM has given ...+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
... Composite Sync plumb up an AD724, colour encoding clock and some ...+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
... , and I will check the AD724 as well. I knew about ...+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
... I am 100%.
AD724 (I think it was that ... to a board with the AD724, that way the brightness control ...+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
[QUOTE=Johan1973;652888]
AD724 (I think it was that, ... to a board with the AD724, that way the brightness control ... .php?t=34306&highlight=ad724&page=3[/url]+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
... .php?t=34306&highlight=ad724&page=3[/url][/QUOTE ...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…
... of these pulses confuse the AD724 chip, which is unable to ... . At first I thought my AD724 chips were damaged, but at ... :
To test the AD724, I've synthetized a small ...
