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+3 ProblemsI have been having a few problems with my +3 and I am wondering if anyone can help or give me some advice: 1. I have 2 blank disks which I have save…
... the "switch TV to SCART input" when you switch on external ... it? Perhaps the +3 RGB output wasn't meant to drive ... (series resistor chosen such that output is around 2~3V when ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... compatible with the Amiga RGB output. I was hoping that I ... be mapped to the VGA input pins on the [url] ... ZX. It does list the input signal types, but I' ... the signal from the Scart output to the VGA device ... What sort of signal is output by the SCART cable from ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... bought, it has the same input, but instead of outputting VGA ... connect the Spectrum RGB output to the VGA input of that device ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... connect the Spectrum RGB output to the VGA input of that device ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... connect the Spectrum RGB output to the VGA input of that device ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... for the CGA-VGA converter input. It is caused by the ... /D converter by too high input voltage - therefore there are the ... undesired frequency components in the output signal that would result in ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... for the CGA-VGA converter input. It is caused by the ... /D converter by too high input voltage - therefore there are the ... undesired frequency components in the output signal that would result in ... converter inside. It doesn't output VGA, but analog signal. What ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... converter inside. It doesn't output VGA, but analog signal. What ... scan rate (15kHz) at output as at input. BUT, there is also ... and RGB - output to an american TV with NTSC input. And NTSC ... 50 Hz input vertical frequency into a 60 Hz output frequency. If ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... scan rate (15kHz) at output as at input. BUT, there is also ... and RGB - output to an american TV with NTSC input. And NTSC ... 50 Hz input vertical frequency into a 60 Hz output frequency. If ... a TV set with computer input.
Greets Ingo.[/QUOTE ... -
Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... document about my routines is input parameters, output parameters and trashed registers ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... then the impedance at the ''output' is just equal to the ... 75 Ohm resistor across the input, which is only(!) there to ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... 've just taken the composite input to the modulator, plus an ... as the Spectrum's composite output is via TR1/2 which ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... />
We can calculate the output impedance of the next amplifier ... are right in calculating the output impedance of this stage. But ... undesired DC current to the input resistor (75 Ohm) of the ... pin at their SCART/Video input. So signal limitation may be ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... capacitor in series with the output of TR2 and R53 (the ... that is bad for some input circuitries. What we need is ... -
'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... can look like this (fast output with unrolled loop, not fastest ... coords
;input: B=Y,C=X
;output: HL=screen address ...
;print text string
;input: HL=screen address, DE=string ... />
;print char
;input: HL=screen address, A=char ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... 's Z80 clock output, and Z80's clock input. Perhaps with a ... . signal that ULA takes as input - you could use some flipflops ... -skipping somehow. And watch the output voltage levels: normal logic levels ... - remember that ULA's clock output isn't a clean 3 ... -
ZX +2 - Can I connect external tape player?Is it possible to connect external tape player to ZX Spectrum +2/A and use it instead of the internal player? The connector is marked tape/sound, but…
... it's only for output or also for input. The documentation for ... can be used for both input and output with a special break ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... (and of course its voltage input high enough impedance not to ... , and thus reduce the frequency output of the VCO) so it ... for the ULA's clock output, it actually generates significantly less ... crystal oscillator, and let the output side of the shift register ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... the ULA's clock output, it actually generates significantly ... ] much), and high level output voltage is ~3.5V. ... 3 & 5V [I]output[/I] levels. There are ... [/I] load on the output. Low level should be ... clock input (perhaps a simple resistor could pull-up output ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... more than a Z80 clock input would draw but still not ... [/I] much), and high level output voltage is ~3.5V. Just ... LED on by setting the output to 0v). Nearly all CMOS ... clock pin is a FET input even in the old NMOS ... -
Amstrad MP3 TunerNot Spectrum related but may be of use to someone. Seems like the MP3 Tuner for CPC computers is pinned the same as the output of CPC's: 6 pin DIN,…
... pinned the same as the output of CPC's:
input) using GND and blue signals ... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... /> BEEPIT:
; Input BC = B=Duration, C=Pitch
; Output Action: Beeps ... -
Spectrum+2A loading games from external source?i know this has been asked before around in places,but im slightly confused about this so im not trying it yet until get certain answer,some forums s…
... Input (EAR) \/ | | _ _____| -.------------' /
| | ()[_[_____| |-------------<
Output ... \_ / |____
Output GND \__| |____()
... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... video from YouTube. Beepola's output was playing half speed. Even ... sample rate that Beepola's output returned to normal. It was ... top doesn't accept any input. Have to enter a temporary ... noticed that the F#1 output of Special FX is actually ... -
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... video from YouTube. Beepola's output was playing half speed. ... sample rate that Beepola's output returned to normal. It ... is doing -- the wave output code is pretty simple and ... top doesn't accept any input. Have to enter a ... that the F#1 output of Special FX is ... -
speccy colors ajnd pixels and stuffwhat are the speccy colours? specifically the RGB values of them. i suppose could just put a screen in photoshop and work it all out. also how big …
... only do different TV's output colours slightly differently (to say ... record the input values, and then synchronise an emulator's output to ... -
Electrics/electronicsI amplify my laptop through my receiver. When the laptop is plugged into the mains I get an intollerable noise generated which is annoying through q…
... the ground connection between the input and output from each other.
Infoseek as a web serviceFollowing up from [URL="http://www.worldofspectrum.org/forums/showthread.php?t=30438"]this thread[/URL], what sort of abilities would emulator and ot…
... this thread would be the input - I don't really want ... XML for that (just for output), let's stick to the ...DivIDE Plus FeedbackFinally had a chance to try out the DivIDE Plus since I got a CF card working (thanks to Rich) I put on a load of TAP and Z80 files I had onto it (I…
... a new TAP file for input or output
[*]Press NMI to ...Schematics for loading amplifier?I'm interrested in making an external portable amplifier in order to be able to load speccy games using an mp3 player. I looked in the internet but c…
... it probably has a higher output.
The monophone amplifier ... , JP1 Close 46 dB.
Input Resistance : 10K ohm (Volume Max ...
