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Space Invaders The InvadersJust playing on my lovely Turnarcade cabinet and enjoying Space Invaders. Back in the day, I remember one version which I think was called The Invad…
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Main CPU : S2650 (@ 950 Khz)
Screen orientation : Vertical ... -
Modem problem, please help!We have an internet connection with dlspeed 10Mbit/s and ulspeed 2Mbit/s. Until now our modem has been a TP-Link TD-8610 that only gives an upload sp…
ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... a AC signal at some kHz value at TR9 base and ...ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... a AC signal at some kHz value at TR9 base and ...ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... of operation is in the kHz range (hence some "coils" can ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... played with JSpeccy using 32 Khz sampling frequency. The tape was ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... played with JSpeccy using 32 Khz sampling frequency. The tape was ...Connect spectrum to monitorHello, Probably a stupid question but I'll ask it anyway :) Is there a way to connect a spectrum to a vga or dvi monitor? Thanks, Ant?nio
... (horizontal) frequency of 31.4686 kHz and so will not directly ...New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…
Why VGA? The graphics will look blocky and most importantly not authentic. Spectrum is a 15 kHz video system. Full stop.Designing a Modern 'Professional' low cost ZX Spectrum ??Hi, I'm looking at designing a low cost hight performance (20MHz) ZX Spectrum... in the mould of the original, but using modern-day components. The…
... does not support progressive 15 kHz output on that analogue cinch ...48k AudioI'm at the point in my game where I could use a few beeps and bloops. Ive been looking at loads of different speccy books, but this whole business of…
... generate screechy tones in the kHz region. Repeat the pattern 0 ...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…
... screen (approximately a 7.8 kHz square wave) it wasn't ... half that frequency (3.9 kHz), making me suspect I wasn ...We could design the LokiWouldn't it be great... if this community would develop what Sinclair himself started but was never finished: a successor of the 128K with 'cartoon l…
... even have a proper 15 kHz progressive output (!!!). People would be ... C64, sporting a nice 15 kHz RGB SCART compatible output and ...We could design the LokiWouldn't it be great... if this community would develop what Sinclair himself started but was never finished: a successor of the 128K with 'cartoon l…
... even have a proper 15 kHz progressive output (!!!). People would be ... C64, sporting a nice 15 kHz RGB SCART compatible output and ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
So, it looks like this Harlequin actually outputs RGB video. I just wonder if it is SCART compatible 15 kHz video or something nonstandard like the original Spectrums or other "VGA output" things...C64 for the PiSomeone is writing the C64 natively for the Rasberry Pi and it looks amazing. I hope this will make someone do a ZX Spectrum too. Take a look its a…
... support old school progressive 15 kHz output. You will be either ... stuck with everflickering interlaced 15 kHz via composite, or with HDMI ...C64 for the PiSomeone is writing the C64 natively for the Rasberry Pi and it looks amazing. I hope this will make someone do a ZX Spectrum too. Take a look its a…
... support old school progressive 15 kHz output. You will be either ... stuck with everflickering interlaced 15 kHz via composite, or with HDMI ...C64 for the PiSomeone is writing the C64 natively for the Rasberry Pi and it looks amazing. I hope this will make someone do a ZX Spectrum too. Take a look its a…
I'm assuming 15 kHz refers to the horizontal sync ... sync frequency of 15.75 KHz, NTSC-M changed to 15 ... .73425 kHz [1], and system I ( ... the UK) is 15.625 kHz [2].
People ... if anything ever used 15 kHz exactly (something like an arcade ...5C series NTSC ULA 5C114E 8248Not sure if this has been mentioned before; I haven't seen anything about it online. Chris Smith's book discusses 6C011E as the NTSC ULA sold in Spec…
... /> 14 MHz
15.625 kHz line frequency
59.1856 ... .11 MHz
15747.767857 kHz line frequency
59.6506 ... .112 MHz
15.750 kHz line frequency
59.65909 ...C64 for the PiSomeone is writing the C64 natively for the Rasberry Pi and it looks amazing. I hope this will make someone do a ZX Spectrum too. Take a look its a…
... 763585]I'm assuming 15 kHz refers to the horizontal ... sync frequency of 15.75 KHz, NTSC-M changed to ... 15.73425 kHz [1], and system I ... the UK) is 15.625 kHz [2].
People ... if anything ever used 15 kHz exactly (something like an arcade ...How much would you pay for this FPGA clone?...given that a mint 128 goes for around ?125. [img]https://dl.dropboxusercontent.com/u/15659782/chloe280seboxed.jpg[/img] Features: [list] [*]100%…
So, ZX Uno seems to have some sort of 15 kHz progressive RGB video output. I hope so. Because Pi does not.
Too bad to hear that full USB support is not that possible on Spectrum.48k Spectrum "Jail Bars" Removal?Hi all Just curious I think I saw a post here about the bars that go down the screen on some 48k's I think he referred to them as "jail bars". Any…
... half cycle ripple)
[*]Several kHz from the TR4/TR5/coil ...1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…
... old laptop can do 192 Khz, which (as in real life ...1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…
... of itself every sample rate kHz. You will get a high ...1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…
... old laptop can do 192 Khz, which (as in real life ...Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…
BTW, the TMS9900 CPU of the TI-99/4A ran at 3 MHz. Perhaps you’re thinking of the GI CP1610 of the Intellivision, which ran at only 894 kHz, which is what the GI AY-3-8910 was designed to work with, along with the AY-3-8900 “STIC” graphics chip?Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…
... capable of high quality 15 kHz (edit: PROGRESSIVE = 288P!!! NO 576I ...
