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<1…891011121314…34>
  • Sinclair +2 to VGA without VGA boxA few days ago someone in a Spanish forum mentioned that his friend claimed to have built a cable to connect his Sinclair +2 to a VGA monitor without…

    ... /> Thanks for the link! The schematic will go straight to the ... :.
    [/QUOTE]

    This schematic is "too simple", it never ...
    Gods Gods August 2007 Sinclair Miscellaneous
  • IC Suppliers(of ICs other than those in the big box...) Do any of the people into hardware assembly here know of any suppliers of obscure yet in-production ICs …

    ... give me some kind of schematic? It's bound to be ...
    DEATH DEATH August 2007 Hardware
  • IC Suppliers(of ICs other than those in the big box...) Do any of the people into hardware assembly here know of any suppliers of obscure yet in-production ICs …

    ... design it to do a schematic :-)

    But the principle ...
    Winston Winston August 2007 Hardware
  • IC Suppliers(of ICs other than those in the big box...) Do any of the people into hardware assembly here know of any suppliers of obscure yet in-production ICs …

    ... design it to do a schematic :-)[/B]

    And? You ...
    DEATH DEATH August 2007 Hardware
  • IC Suppliers(of ICs other than those in the big box...) Do any of the people into hardware assembly here know of any suppliers of obscure yet in-production ICs …

    If it sticks out RGB, you may be able to feed it directly to the digital side of an LCD module with just a few 74-series ICs - it wouldn't even need fancy processing.

    I'll leave the schematic as an exercise for the reader :-)
    Winston Winston August 2007 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... . Well you can redesign the schematic and replace FDC with for ...
    Sonic Sonic August 2007 Hardware
  • RGB cable problemI bought an RGB cable from a Polish dealer on Ebay for my Spectrum 128+, but I can only get an AV signal from it. I sent it back to him and he gave m…

    ... . I don?t have the schematic to see if those power ...
    Gods Gods September 2007 Hardware
  • Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…

    ... /> There's always the waitGen schematic too.. pictures speak louder than ...
    csmith csmith September 2007 Emulators
  • Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…

    ... T2 - and looking at my schematic sketch, I think it explains ...
    csmith csmith September 2007 Emulators
  • +3 and 3.5 Floppy Disk DriveCan anyone please help ?. I have a +3 with a faulty Floppy Drive and have a couple of spare 1.44 IDE 3.5 HD Floppy Drives. Does anybody know of a…

    ... drive without looking at a schematic, but yes, it would certainly ...
    guesser guesser September 2007 Hardware
  • Speccy just snuffed it while playing 3D Pinball :(I have two speccys but the one I use most has just given up the gost! :-( game froze up and now all I get is flashing patterns and lines:-( Everyt…

    ... (check the number against the schematic or look at the service ...
    Winston Winston September 2007 Hardware
  • Damn, I think I need a reflow ovenOr a reflow frying pan at least... I was just assembling an order through Farnell since I've worn out another soldering iron tip (which has actually…

    ... the datasheet handily gives a schematic for the recommended circuit. The ...
    Winston Winston September 2007 Hardware
  • Trying to create NMI, whats this switch?Hi, I have been reading a book Z80 Applications, and I am trying to create a simple device for creating a NMI. Here is a schematic: [url]http://www…

    ... terminal marked NC in the schematic when the button is not ...
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Hardware
  • Trying to create NMI, whats this switch?Hi, I have been reading a book Z80 Applications, and I am trying to create a simple device for creating a NMI. Here is a schematic: [url]http://www…

    ... a NMI. Here is a schematic:

    [url]http://www ...
    Phu Phu October 2007 Hardware
  • Trying to create NMI, whats this switch?Hi, I have been reading a book Z80 Applications, and I am trying to create a simple device for creating a NMI. Here is a schematic: [url]http://www…

    ... multiple NMI's. Now, this schematic is out of a "Z80 ...
    carlinski carlinski October 2007 Hardware
  • Speccy 128 QuestionMainly for the experienced speccy resurecters around these parts. Have you ever had a Speccy 128 with a borked TEA2000 video chip? The reason I ask…

    ... the right place in the schematic. There has to be a ... depends on version of the schematic, I mean the last transistor ...
    ingo ingo October 2007 Hardware
  • ZX Spectrum +2 RGB to CGA (RGBI) MonitorI just picked up a spanking brand new Goldstar 1410-CGA with RGBI. It has a 9 pin "D" type connector. 1 Ground 2 Ground 3 Red 4 Green 5 Blue 6 Inte…

    ... />
    I could post a schematic to overcome this problem f ...
    ingo ingo October 2007 Hardware
  • ZX Spectrum +2 RGB to CGA (RGBI) MonitorI just picked up a spanking brand new Goldstar 1410-CGA with RGBI. It has a 9 pin "D" type connector. 1 Ground 2 Ground 3 Red 4 Green 5 Blue 6 Inte…

    [QUOTE=ingo;221446]Yes, that's it but Tom-Cat is also right:



    I could post a schematic to overcome this problem f you like.

    Ingo.[/QUOTE]

    If you can, that would be very helpful. Thanks.
    lextorite lextorite October 2007 Hardware
  • ZX Spectrum +2 RGB to CGA (RGBI) MonitorI just picked up a spanking brand new Goldstar 1410-CGA with RGBI. It has a 9 pin "D" type connector. 1 Ground 2 Ground 3 Red 4 Green 5 Blue 6 Inte…

    ... />
    I placed a possible schematic on my home page
    ingo ingo October 2007 Hardware
  • ZX Spectrum +2 RGB to CGA (RGBI) MonitorI just picked up a spanking brand new Goldstar 1410-CGA with RGBI. It has a 9 pin "D" type connector. 1 Ground 2 Ground 3 Red 4 Green 5 Blue 6 Inte…

    [QUOTE=ingo;221486]I placed a possible schematic on my home page
    ( [url]http://www.truppel-online.de/[/url] [/QUOTE]

    I don't think this works because "I" input is in TTL level. With diodes and resistors, the "1" value will be very low.
    Gods Gods October 2007 Hardware
  • ZX Spectrum +2 RGB to CGA (RGBI) MonitorI just picked up a spanking brand new Goldstar 1410-CGA with RGBI. It has a 9 pin "D" type connector. 1 Ground 2 Ground 3 Red 4 Green 5 Blue 6 Inte…

    ... />

    I corrected the schematic - only 1 resistor is neccessary ... really 5V but in original schematic the level is also the ...
    ingo ingo October 2007 Hardware
  • About the edge connector (reset and comp video)Recently aquired a Kempston type interface for my rubber keyed 48K. Ive been wanting to add a composite video out and it just occured to me i might …

    ... transistors but has a simple schematic I think (no special IC ... be worth to analyze the schematic (unfortunately I actually don't ...
    ingo ingo October 2007 Hardware
  • Zx Spectrum +2 Datacorder - Discman To Car Cassette Tape AdapterHas anyone tried using a discman to cassette adapter on a ZX Spectrum +2 datacorder and loaded games with a CD or direct from a PC Soundcard?

    ... /> I ust looked at the schematic of +2. I think it ...
    ingo ingo October 2007 Hardware
  • About the edge connector (reset and comp video)Recently aquired a Kempston type interface for my rubber keyed 48K. Ive been wanting to add a composite video out and it just occured to me i might …

    ... transistors but has a simple schematic I think (no special IC ...
    Gods Gods October 2007 Hardware
  • A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…

    ... RST#8 errors) and an Interface1. The DivIDE was the one ...
    icabod icabod October 2007 Hardware
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... .

    Here's a schematic of a relatively simple add ...
    Winston Winston October 2007 Hardware
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... ? If so is there a schematic anywhere?

    I would ... bits from one port adress. Schematic is not very complicated - only ... Port 31 (Kempston) a simple schematic is here:

    [url ...
    ingo ingo October 2007 Hardware
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... off! Looking at the Kempston schematic, which still looks complicated to ...
    carlinski carlinski October 2007 Hardware
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... '138 part in that kempston schematic posted) or for a full ...
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Hardware
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... looking at an issue 2 schematic, if your spectrum has R57 ...
    Alcoholics Anonymous Alcoholics Anonymous November 2007 Development
<1…891011121314…34>

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