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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…
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I could post a schematic to overcome this problem f ... -
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. -
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…
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.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…
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I corrected the schematic - only 1 resistor is neccessary ... really 5V but in original schematic the level is also the ...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 ...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 ...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 ...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 ...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 ...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 ...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 ...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 ...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 ...divIDE woesHi y'all ! Last night I built my lovely divIDE ;-) I downloaded flasher and +divide.tap from [url]http://www.biehold.nl/rudy/+divide/index.htm[/url…
... ;-) )
I've got the schematic here in front of me ...Spectrum ethernet... step 1.1Yeah, a tenth of a step :-) Here's the W5100 board up and WORKING: [url]http://www.alioth.net/tmp/w5100-online.jpg[/url] This is called the "Get Th…
A prototype was yet made by "Speccy do it yourself" and this is the schematic:
[url]http://zxspectrum.hal.varese.it/ethernet.jpg[/url]
the "only" way to do: to write a device driver!!!!!!!!!!!How does the Z80 work internaly?How does the Z80 work internaly, i.e. how does it actually execute a machine code instruction? When it fetches a byte from the memory and finds, for…
[QUOTE=Rickard;229390]
how does the CPU at a low level know what to do and how does it execute this?[/QUOTE]
This is done by its internal schematic, completely on hardware level. There's no lower-level microcode in the Z80.Floppy Drive on +DHello, I have unfortunately no old drive left, but want run my +D. Problem is that newer drives has no switch anymore for choosing between drive 1 an…
... as i remember from the schematic), you may always hook it ...Speccy plus composite modHi folks, I have 2 48K speccy plus machines both with really poor RF output, one is very weak and the other wanders and white tears across the scree…
... would like to see the schematic for it.:wink:Speccy plus composite modHi folks, I have 2 48K speccy plus machines both with really poor RF output, one is very weak and the other wanders and white tears across the scree…
+3 soundhello there, just a quick-fire question today. i'm kinda keen on the idea of using my +3 quite a bit, particularly if i bother to to actually sort …
... /> A quick look at the schematic and it seems to me ... />
Does anyone have a schematic for the original Sinclair 128k ...+3 soundhello there, just a quick-fire question today. i'm kinda keen on the idea of using my +3 quite a bit, particularly if i bother to to actually sort …
I think the 128K Technical manual (the service manual) in the documentation section has a schematic.Where shall I start to look ?I got hold of a faulty 48k, Issue 6. It displays a picture like shown below: [URL]http://www.gjelberg.no/miscpics/speccyfault.jpg[/URL] Some of the…
... .html[/url] ), there is a schematic on a photo with yellow ...Where shall I start to look ?I got hold of a faulty 48k, Issue 6. It displays a picture like shown below: [URL]http://www.gjelberg.no/miscpics/speccyfault.jpg[/URL] Some of the…
... 27 (as shown on the schematic) to GND instead of VCC ...CF to IDE adapterthese things say that they allow a CF card to appear to a computer as an IDE device, at the hardware level. I'm just curious, would a CF card connec…
CF to IDE adapterthese things say that they allow a CF card to appear to a computer as an IDE device, at the hardware level. I'm just curious, would a CF card connec…
Video output (48K)Hello! I've made video mod on my Zx Spectrum. Now the problem of scanning (and tuning) to right channel is history for me. But, now I have another …
Uf, there is a lot of elements around 1889 (I've only now opened schematic). This will not be easy case.
The interesting thing is, that picture from modulator is better? How do you explain that?ZX +3 Disk Drive Problems!Hello! I Picked up a +3 a couple of weeks ago in a shop for 10 quid, I was very pleased with myself. I realised that this thing was a disk drive thin…
ZX +3 Disk Drive Problems!Hello! I Picked up a +3 a couple of weeks ago in a shop for 10 quid, I was very pleased with myself. I realised that this thing was a disk drive thin…
[quote=Johan;238256]I found it. Here?s a link to the pictured schematic of the ABBA switch (snip)[/quote]
What??? Weren't they called the [B]ABBA Teens[/B]?
*gets coat*Does anyone have the CD codemaster pack?Hello [sorry for my poor English] I'm studding the cable of codemaster cd pack [url]http://www.crashonline.org.uk/73/cd.htm[/url] I have some pr…
... ask... Could you post a schematic of the cable somewhere, just ...
