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Networking using EAR and MICI know this is an old topic and was mentioned before in books or magazines, but I need some advice. I'm considering the possibility of creating a Bat…
Test / comments wanted: new composite video output for +2A/+3I've been fiddling with the composite video mods for +2A and +3... with no luck. Because neither desings in [url=http://www.secarica.ro/html/zx_zone.…
... />
The example throws video output through a voltage divider to ... computer I get same video output as with other composite mods ...Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …
... port 7FFDh. The byte to output will be interpreted thus:
output to this port will be ... bit 4 is now the low bit of the ROM selection ...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…
... anything useful:
The output impedance of the first stage ...
We can calculate the output impedance of the next amplifier ... already we have a very low output impedance where the signal goes ... amp;lpg=PA77&dq=output+impedance+of+common+emitter+ ...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'…
... couple of 3 state output drivers (which are connected ... counter (CB4CE's first output) in other words, this ... will give an 8MHz output. The counter is of ... by the actual VCO's output, the 74LS629.
low pass filter).
Here's the output ...Damaged sound-output of the spectrum +3Hallo folks, a few days ago I got a Spectrum 128 + 3, but there might be problems with the sound-output. For comparison I have got a Spectrum 128 + …
... be problems with the sound-output.
For comparison I have ...Oli Frey low cost prints now availableFor a while you've been able to order Oli Frey prints from [url]http://www.oliverfreyart.com/[/url] - there are now low cost prints available at ?8.9…
... .com/[/url] - there are now low cost prints available at ?8 ...Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... ports 7FFDh are blocked. An output from this mode is only ... /> Keeping bit 3 of A low will also function to switch ...save from 48k to PC in wav?I have looked around - in all the wrong places no doubt. I am trying to save a program from my Spectrum 48k to my PC. I am using a standard 3.5mm jac…
... of the spectrum to the mic - line in on my PC ... there is too much noise - low background humm - being recorded that ...How to clean up video output to TFT LCD - Spectrum 48kHi, I hope that there is an easy answer to this question. I have modded the RF socket on my 48k Spectrum to output composite video as described in t…
... on my 48k Spectrum to output composite video as described in ...Low Serial Numbers - Are they worth more?Hi? Probably a bit of an urban mtyh this one - but I am forever hearing people tell me that spectrums with low serial numbers are worth more... How …
... tell me that spectrums with low serial numbers are worth more ...Any diet debate in the UK? (Low fat or high fat food)I assume UK has the same problems with overweight and related health problems as most european countries. Are there any debate going on around for ch…
... discussion if food should be low in fat or actually high ...ZX Soundbooster (AY volume increase on a grey+2)Having dug out my grey+2 and run it through scart I've just noticed (to my horror) how low the ay is in comparison to beeper (+3 has ay and beeper at…
... noticed (to my horror) how low the ay is in comparison ... mod to boost the ay output through the sound port (apparently ...Sinclair QL RGB output to what?My Sinclair QL has TV and RGB output. First will not show full resolution and the latter will only show it (512x256) if connected to a proper monitor…
... QL has TV and RGB output. First will not show full ...A standard emulator "hardware" for console outputAlmost every day, I want to copy text from zx spectrum format, yet, without peeking in the memory spending a lot of time, or typing it by hand, it is…
... standardized emulated console hardware to output text to it. Ofcourse this ... and one text box to output and two buttons so interact ...Low-level programmerRemember Sophie Wilson in Micro-Men (2009) - saying "Time Gentlemen Please" to Clive Sinclair and Chris Curry. Also the portrait of the artist as a …
... interviews from 2009 explaining what low level programming is all about ...Spectrum 128k+ Toastrack lower Beeper level?Does anyone know the easiest way of matching the AY and beeper levels? I'm guessing perhaps the easiest thing to do is lower the beeper line rather t…
... if that included the beeper output and it's not really ... just want a mono output to the Mic jack which includes both ...IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…
... ways are 1 way devices... output only or "on comming traffic ... 16MB.. now that might sound low... but thats over 340 48k ...Problems with a gray ZX Spectrum +2Hello. First of all, thank you for receiving me on this forum. I'll try to help everybody as well as I can Said that, I want to do two questions abo…
... using its composite output, it outputs a very low video signal, so ...Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…
... A14)
Pin 3 (output from first NAND gate) is ... CPU.
Pin 6 (output from second NAND gate) ... multiplexer)
Pin 8 (output from third NAND gate) goes ... A15)
Pin 11 (output from fourth NAND gate) goes ... and then makes a low beep (like a groaning ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... -4V square waves at the output and input pins of all ... with. This seems a bit low to me if
it ...making a low end 8 bit machineI am getting an old style pc desktop case which i am going to put my own pc in but the machine already in it is a Pentium 3 cpu (dunno what the speed…
... emulator would run on a low end PC as they all ...ZX 48k - Composite ModdedHi, [quote]Sinclair ZX Spectrum 48 K (issue 2 - upgraded from 16 K) This is a full working computer, the keyboard membrane and ribbons has had some …
... slightly cooler and the video output has been modified as to ... ,
original PSU,
original MIC and EAR connectors (to connect ...A 30th Anniversary ProjectHappy new year (belatedly...) So with the 30th anniversary approaching, I've decided to do a hardware project to celebrate it. Something hands-on (o…
... oscillators (mine run in the low MHz range), one of ... by an XOR gate. The output - basically a series of ... is run through a low pass filter to create ... This then passes through a low pass filter to make a ... since the Spectrum's clock output gets halted every time ...128K heatsink no color in composite video and bad antenna outputI am currently repairing a ZX Spectrum 128K heatsink model. It gives no colors on composite video output, and very bad antenna output. I opened it a…
... on composite video output, and very bad antenna output.
output.
I ... br /> - disconnecting the video output by disconnecting D34 (the first ... the composite video output) and trying the antenna output
- ...The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... Microdrives on a hardware/low level without having the ...
eOVERWRITE_OUTPUT=0x0020, // overwrite output file
eALLOW_NONSTANDARD_MDR=0x0040, // ... allow nonstandard .mdr output files (i. e. sector numbers ...Inlay Preservation etc., Why Such Low Quality?First up, this site is very good and has brought back some classic memories. I was looking through the Inlays section and other artwork and wondered …
... the scan quality looks so low. On most of the inlays ...Improving audio?In working on fixing and updating the hardware in my ZX Spectrum 48k, there is one nagging issue. My issue 2 board has crappy sound through the beepe…
... the beeper, it is very low volume. And I just want ... that work as default audio output?Spectrum 128K: distorted picture with composite to vga converterI'm trying to get my 128K Spectrum (toastrack) to work with a vasmon3 composite to vga converter, but all I get is a distorted image on the VGA monit…
... boards.
The RF output on the 128K is working ... antique 10MHz oscilloscope.
The output voltage on the 128K is ... 2 V tt.
The output voltage on the 48 is ... problem.
Is this low voltage of the blanking part ...Emulators with recording output ability (NOT Spin or Spectaculator)Hi, Do we have any Emulators for Windows that have the ability to output to a .avi (or similar) format. Spin video recording doesn't work for me and…
... that have the ability to output to a .avi (or similar ...
