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BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…
... can run at 44.1 KHz, to test it, i make ... from WAV 44.1 KHz to 88.2 KHz. Load this file ... max speed is 32 KHz to 64 KHz. Someone can fix it ... />
I need 88.2 KHz to make a perfect wav ... wav file of 44,1 KHz, in 256 bytes have up ... -
No video in Spectrum 128k +2A Grey[B][COLOR="red"]EDIT: 26-05-2012 = Thread topic edited[/COLOR][/B] Hi everyone, Recently i won a Spectrum 128k +2A Grey at ebay UK. The Spectrum …
... that near the 141 MHz frequency i have some blue vertical ... />
At 589/590 Mhz frequency i have a black screen ... + working with image at this frequency.
So i think ... -
AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…
... contradictory.
1) The frequency of AY-3-8912 is ... half the ZX Spectrum frequency
2) Envelope frequency is 1/(256 ... AY-3-8912 frequency
3) Tone frequency is 1/(16* ... AY-3-8912 frequency
4) Noise frequency is 1/(16*noise_period ... -
4116 replaced by 4164 - "Noisy" paper?After I replaced my 4116's with 4164's and hooked them up to +5V, disconnected -5V and +12V, I have what looks like vertical lines in the paper, like…
... , the "noise" is unaffected by frequency adjustments. -
48K and wavy lines.It seems all Spectrum related things are breaking here at casa de Don Pedro. After the problem with my old ZX81, I went over to my issue 2 ZX Spectru…
... test a crystal without a frequency counter at hand? I checked ... -
Bad signal on my ZX Spectrum+ 48kHi there... I just got my very first Spectrum, after search high and low for quiet some time :) But unfortunately, when I plug it in my tv, I don't …
... must be on the right frequency...
Hope you can ... -
Getting an 14Mhz crystal to oscillate?I am building a circuit with an 74LS32 and a 74LS193 to work as frequency divider. Though I have hit a snag, how to I wire up a crystal to make it os…
... a 74LS193 to work as frequency divider. Though I have hit ... -
Revisiting Spectrum CPU clock regenerationWarning: This post will be a bit nerdy :-) Some time ago, I experimented with phase locked loop circuits as a possible way to regenerate the Spectru…
... off, because its minimum input frequency is 19MHz, over 5 ... I built earlier, the frequency of the regenerated clock will ... is detected and the regen_specclk frequency is nudged upwards slightly ... case for the Spectrum clock frequency versus our reference clock, ... -
RF TuningWhat is the actual RF frequency that the Spectrum +3 uses? Thanks
What is the actual RF frequency that the Spectrum +3 uses?
Thanks -
Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…
... square waveform at about 295 KHz. AY Chip is very slightly ... -
just late afternoon relax...and 3 months of live...1. Hardware joke [B]ANGRY SPACE INVADER [/B] [url]http://www.youtube.com/watch?v=IToay3TsEvs[/url] [LIST] [*]Dimensions : 82 x 50 mm [*] Colo…
... 1,78977 Mhz (new programmable frequency generator from EPSON (SG8002CA+ PHB ... -
TV RF audio and MC1376I have a small problem with a British Spectrum +2b. The TV RF audio doesn't work. I replaced the 6MHz ceramic resonator with a 5.5 MHz ceramic resona…
I have a small problem with a British Spectrum +2b.
The TV RF audio doesn't work.
I replaced the 6MHz ceramic resonator with a 5.5 MHz ceramic resonator, but the frequency stays at 6MHz.
Does anyone know if I'm overlooking something? -
Standard for upgrading the original ZX Spectrum[B][U]1. Easily connect external ULA and video RAM.[/U][/B] [url]http://zx.clan.su/forum/8-102-576-16-1352476666[/url] The method consists in blocki…
... , and connect the external clock frequency. To connect an external clock ... -
annoying vibrationsabout a month ago I noticed this weird vibration/very low frequency noise which went on about an hour in my house, couldn't figure out the source but…
... this weird vibration/very low frequency noise which went on about ... -
Improving Composite Output of 48K SpectrumI've been playing around with this Spectrum 48k I got inside a dK'tronics keyboard, because well I've already got two working other ones so why not..…
... I looked up the maximum frequency of a composite video video ... -
Miniproject for the ZX Breakout: ZX SPIFor those of you who have a ZX Breakout or are building one (or have something with a CPLD that hangs off a Spectrum), I've just finished a mini-proj…
... .75MHz to some absurdly low frequency (up to 16 stages of ... -
Issue 4S display improvementsHi all, I'd noticed that the display (via modded composite out) of the Issue 4S I repaired a while back (details [URL="http://www.worldofspectrum.or…
IPhone piece of dreckHello, all.. My good lady is having some extreme problems with her Iphone 4s. It's out of warranty, but she's still under contract for the next 8-9…
Games downloads statistics on WoS?I remember few years ago, somebody posted a page where the WoS downloads could be seen, in a daily, monthly frequency, I think. Im trying to find tha…
I remember few years ago, somebody posted a page where the WoS downloads could be seen, in a daily, monthly frequency, I think. Im trying to find that service, but It seems I cant. Anybody remembers where on WoS is that section?
Thanks!Canonical Spectrum pixel aspect ratioHi, Do any emulators support scaling the Spectrum image to have the "correct/canonical" pixel aspect ratio? On a 4:3 display, Spectrum pixels aren'…
... -facto standard square pixel sampling frequency for PAL/576i of 14 ...Refactoring the ULAplus HDL descriptionFor the ZXUnio project, I'm refactoring the Verilog code I wrote two years ago to describe the ULA and the ULAplus devices. When I've taken this code…
... able to lower the working frequency fown to this value allows ...+2 Grey strange beepingthe beep comes out of speccy's sound output (TV box), only when some sound output already started. eg. on 128basic, press a key and key click sound …
... the beep starts (always same frequency/same note) it won't ...Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
... have to decide on a frequency (as I can't control ... by a '1' and another frequency represented by a '0', is ...Trying to revive my +2B!Hey folks, Newly registered and looking for a fresh pair of eyes on my journey to restoring my +2B Spectrum :) I've done the Composite out conversi…
... to Channel 36(UHF), the frequency hops all over the place ...New version Emulator ZEsarUX-1.0Hi I have uploaded a new version of my Spectrum/ZX80/ZX81 emulator. This is a major stable version, with real timing for all the models and with hi-…
My attempt to restore the CPU clock signalI know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results. I'm not taking…
I know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results.
I'm not taking about reshaping the ugly shaped clock signal available from the rear bus. I'm following a good ...Issue 1 oddityHello to everybody, I have a very first under my hands - a broken Issue 1. Apart from the classic "broken lower RAM" syndrome which will be easily t…
... a lot of apparently high frequency noise, which has also been ...Uzebox - disappointing light in the darkSo I have come across this Nintendoish open source home made console and honestly I was disappointed with its capabilities. Why does not someone wit…
... rendering
- standard programmable 15 kHz RGB and composite output (240p ...ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... /311/70908), yet the CPU frequency is always 3.500 MHz ... date) AND 3.5MHz CPU frequency.
3. If you ...ZX Spectrum+ video ? red on green problemThis is my first post on the forum, so let me introduce myself. I am retired for several years. For 30 years I have been a fan of the ZX Spectrum. I …
... the quartz 14.000 MHz frequency. I checked all the resistors ...
