World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.015s
<1…18192021222324…34>
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... [*]Input port $FE bit 6: default value 1 (when ... in TK90X, but when ULA accesses a screen attribute ... from screen because the ULA leaves a "residual sign ... /> [*]Input port $FE bit 6 (when there's no audio ... from screen because the ULA leaves a "residual sign ...
    Einar Saukas Einar Saukas November 2012 Emulators
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... ][LIST][*]Input port $FE bit 6 (when there's no audio ... a TK95 indicate that bit 6 from input port $FE reproduces ... followed by IN returning bit 6 equals 0), and this interference ... to "residual sign" from the ULA (unlike bits 5 and 7 ...
    Einar Saukas Einar Saukas November 2012 Emulators
  • New colors / switchable color palette with regular ULA ?Hello. This may be an ignorant question but I just thought about it today and wanted to post it here to get some opinions. OK, so, today, while goin…

    ... bipolar signals), although since the ULA runs on 0V and 5V ... TTL RGBI outputs from the ULA. These represent a four bit ... , B-Y outputs from the ULA are much less easy to ... you had a 16 x 6 bit lookup table which was ...
    rga24 rga24 December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... (ZX compatible) which use ula port #FE with full ... 1[/B]0 KeyTpPrn(6) BrdTpSpk(6)
    xxxxxxxx[B ... 1[/B] Trb-ON(6) Pag(6)
    0x[B ... Spectrum(issue 1-2/3-6) 6 - Scorpion ZS256 Turbo+ B ...
    velesoft velesoft December 2012 Hardware
  • Beta testing FuseHello everyone, We are preparing Fuse for a new release soon and would appreciate help in testing that all the new features and all the old features …

    ... .

    [QUOTE]
    2.6 It seems to me that ... .

    [QUOTE]
    3.6 Last wish: ULAplus support?[/QUOTE ... obviously won't deal with ULA+. I expect it will arrive ...
    Fred Fred January 2013 Announcements
  • Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…

    ... difficult - mcleod_ideafix's ULA+ implementation just uses resistors ... (a Xilinx Spartan-6 big enough to implement ... - Chris Smith's ULA (not ULA+) implementation fills this ... but the Spartan 6 has a 6 input lookup table ... - so a Spartan 6 with the same amount ...
    Winston Winston January 2013 Hardware
  • Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…

    ... its outputs
    // with the ULA, as both give keyboard status ... [0] && !a[12]; // 6, 7, 8, 0
    assign ...
    mcleod_ideafix mcleod_ideafix January 2013 Hardware
  • Video generation using a CPUWe know it is possible to generate a video signal using a CPU, and this technique was often used on low-end computers in the early 1980's (for exampl…

    ... FFFFh area (A15 = high). The ULA detects this, reads the character ... refresh cycle that follows, the ULA puts this character code on ... the screen (pixel clock is 6.5 MHz, double the CPU ... RAM. :cool: Roughly halfway between "ULA = videochip" and "Z80 generates the ...
    RetroTechie RetroTechie January 2013 Chit chat
  • TKMEM - the 128K interface for 16K SpectrumsHello all! Here in Brazil, we have made a small production of an interface, totally based on Velesoft?s memory expansion ([url]http://velesoft.speccy…

    ... still do not understand the ULA timings, though! It seems the ... earlier post states that 'the 6,5,4,3,2,1 ...
    zub zub January 2013 Hardware
  • Comcon programmable interfaceRemember this beast, back in 83/84? You used plugs to determine what key each direction on your joystick responded to. It apparently had two fire but…

    ... with the +2a because the ula overrides. The same is true ... plug and make it a 6 button stick. That's be ...
    saberman saberman February 2013 Sinclair Miscellaneous
  • Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…

    ... else?

    The separate 'ULA' ROM and 'DOS' ROM images ... but then looking at the 'ULA' ROM, I find that it ... seems to me that the ULA ROM is exactly what it ... /> A hex dump of the ULA PAL seems to pretty much ... />
    Only bits 4, 5, 6 and 7 are ever clear ...
    zub zub March 2013 Hardware
  • Needing a Timex 1000 ULAHello all! A friend of mine needs a Timex 1000 ULA. Anyone willing to sell one or who could point me at a place where he could buy some at a fair co…

    ... on that ULA pin (22) is available as bit 6 of I ... battered ZX81 and pull the ULA out of that.[/QUOTE]
    RetroTechie RetroTechie March 2013 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... key speccy? For the original ULA replacement, I spent ages making ... issue 2,3,4,5,6 speccy's to make sure ... anyone to make their own ULA replacement. I just think your ...
    csmith csmith April 2013 Hardware
  • 720K Amstrad PCW8512 drive B: as drive A: on a Spectrum +3 ?Hi Spec-chums. I happen to have a 720K drive from an Amstrad PCW8512 which i got off ebay, and i was wondering if it is possible to use it as drive …

    ... of FDD use the same ULA or ASIC.

    [U ... the corresponding pin on the ULA is hardwired to Vcc.
    ULA

    However, here's ... pads near pin 4 and 6 on the cable connector and ...
    The_Bert The_Bert April 2013 Hardware
  • Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…

    ... general silicon chip and Ferranti ULA fabrication processes if you want ... the circumstances in which the 'ULA ROM' will be active. Its ... only ever taken when the 'ULA ROM' is actually being accessed ... obtained from the 'ULA ROM' (bits 4 and 6, respectively) seem to ...
    zub zub April 2013 Hardware
  • Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…

    ... signals to check: 14 MHz ULA xtal, 3.5 MHz derived ... from that (Z80 pin 6), and the color burst frequency ...
    RetroTechie RetroTechie April 2013 Hardware
  • Keyboard Membrane Speccy +Grrrr! I'm having real problems getting the keyboard on my resurrected Spectrum+ to work reliably. I changed the keyboard membrane, and all seems to…

    ... to source new/replacement RAM, ULA and CPU chips for my ... (I think I now have 6 spectrums of different pedigree and ...
    Simon_Carr Simon_Carr April 2013 Hardware
  • Price of nice condition issue 1 48K Speccy?I recently came across a 'really great example' issue 1 48K Spectrum on the Internet for ?250 with RF Cable, Mic ear Cable, PSU, Manuals and the Hori…

    ... supply, display electronics and ULA. The Issue 1 board ... was with the 5C102 ULA, where a transistor was ... fixed with the 5C112 ULA. This was mostly eradicated ... supply circuit. Also the ULA was upgraded to 6Cxxx. ... After that up to Issue 6, the changes were not ...
    Pierre Pierre April 2013 Sinclair Miscellaneous
  • Keyboard scanning routines / techniques?What keyboard scanning routines or techniques do people use? I'm looking to write something which doesn't rely on the ROM-based keyboard scanner, an…

    ... . B=0 I guess). Other ULA related devices may provide false ... that it apparently took me 6 months to spot this!
    u6c87 u6c87 May 2013 Development
  • Price of nice condition issue 1 48K Speccy?I recently came across a 'really great example' issue 1 48K Spectrum on the Internet for ?250 with RF Cable, Mic ear Cable, PSU, Manuals and the Hori…

    ... ) were replaced with a Mullard ULA type ZX8401. A 74LS04 hex ... the Spectrum 48K, the Issue 6, differs only in fairly minor ... : on some boards, the main ULA is provided by Saga rather ...
    bverstee bverstee May 2013 Sinclair Miscellaneous
  • another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…

    ... control logic (40058 / PCF1306 / ZX8401 ULA chip) of the +2 is ... 48K models (issue 5 and 6), I see no reason to ...
    bverstee bverstee May 2013 Hardware
  • What is the ULAplus 64 colour palette that is closest to the Spectrums own?I think the title says it all. :) I'm finding it hard to find the colours from the 256 colours that match the original 16(15) colours the most. Can …

    ... account that, according to Chris' ULA book, the luminance ratio between ... a decent approximation to normal ULA colours could be as follows ... 5 0 2 162
    6 5 5 0 180
    ULA colours. For example, non brighted ...
    mcleod_ideafix mcleod_ideafix May 2013 Development
  • Which ULA?Just a quick question, more of interest rather than immediate need... I am thinking ahead about the repair of an Issue 2 board, and also an Issue 6A …

    ... 2 originally had a 5C112E ULA. Later 48K Spectrum ULAs were ... so I believe a 6C ULA should work too - I certainly ... issue 6A must have a 6C001E-7 ULA. Earlier ones may work ... it is possible for a ULA fault to prevent the keyboard ...
    Zorn Zorn June 2013 Hardware
  • Cascading transistorsMiguel (mcleod_ideafix) alerted me on an aspect of a design I'm working on where I am cascading transistors, which may give problems. This is the par…

    ... . So a voltage > 0.6 between the basis and the ... that are generated by the ULA.
    roko roko June 2013 Hardware
  • Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…

    ... ]In ZXMAK2 (2.7.5.6) the contention is not accurate ... incorrectly and attempt to test ULA late model as early model ... .
    Just select ULA [early model] and try again ...
    ZXMAK ZXMAK June 2013 Emulators
  • Issue 4A issuesHi all, I've been trying to get the Issue 4A board that came DOA with the case I purchased for my Frankenspectrum to work. I've recapped and socket…

    ... case is to reswap the ULA from my Issue 3, and ... must have messed up the ULA check initially, as I was ... solid - this fault follows the ULA over to the Issue 3 ... is one 4116 and a 6C001E-7 ULA.

    Parts are ...
    balford balford June 2013 Hardware
  • 20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…

    [QUOTE=aowen;714506]ULA contention will iron out kinks ... follows a pattern line this: 6,5,4,3,2,1 ... ,0,0,6,5,4,3,2,1 ... ,0,0,6,5,...

    Delays ... a pattern line this: 7,6,5,4,3,2,1 ... ,0,7,6,5,4,3,2,1 ... ,0,7,6,...

    The "standard" ...
    Einar Saukas Einar Saukas July 2013 Development
  • ULA5C102EHi everyone, I need to buy Ferranti ULA5102E for repair ZX Spectrum issue one. It was fitted only on issue one and very first issue 2 boards. Thank…

    Finding one of these without cannibalising another working machine is going to be next to impossible I'd reckon.

    You may need to fit a 6C001E series ULA, which are readily available from people on here.

    B
    balford balford August 2013 Wanted
  • Writing to MIC portSo I had a new crazy idea: How about a stereo beeper engine? Since we can set bit 3 on port $fe to output to MIC, writing such an engine should be ra…

    ... only one pin on the ULA, this was not the original ... is based on the original ULA plans, has separate pins and ... , even though Z80 runs at 6 MHz in these machines.
    utz utz August 2013 Development
<1…18192021222324…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
ula 7.3K 13K
6c001e 203 394
6 21.3K 30.7K

Related Threads

  • 48k Spectrum ULA 6C001E-6 ChipAs title says, for sale: ULA 6C001E-6 Chip<br /> <br /> PM if interested.
  • ANNOUNCE: Fuse 0.6.1, libspectrum 0.2.0, fuse-utils 0.6.1I'm pleased to announce the release of the Free Unix Spectrum Emulator (Fuse) 0.6.1, which is now available from its [url="http://www.srcf.ucam.org/~…
  • ULA......Woooooo and ULA 160??'ello all from down under !<br /> <br /> they don't know the speccy well this way it seems, <br /> <br /> anyways, picked up my brand new astra yeste…
  • Serching for ZX printer ULA and ZX interface I ULAIs there anyone having any spares. In both cases, I swapped ULA's from working equipment which fixed things, so I'm 100% sure it's the ULA that is ca…
  • Where: ZX Printer ULA's and ZX interface I ULA'sIs there any source left for these ULA's? Alot of tings can be replaced, like the ZTX transistors and occasionally you can come accross a normal ZX S…
  • ULA 6C001E-7After doing an audit of my Spectrum PCBs, I find I have one too many 6000 series ULAs and one too few 5000 series ULAs. Would anyone like a 6C001E-7 …
  • Non-Ferranti ULA 6C001E-7?Hello!<br /> <br /> I don't like Iss2 boards that much but after revising one Speccy like that for a friend, the results were so positive that I deci…
  • Zero 0.7.1/0.6.6 releasedA quick update with fixes for a bunch of issues:<br /> <br /> ? Fixed issues in load and save binary dialog boxes (serbalgi)<br /> ? Fixed issues wit…
  • Wanted 6C001E-7 ULALooking to replace mine from a issue 4B, anyone got a working one spare in a bag of bits or know where I can get one?
  • Speedlock 5 & 6Is it really possible to convert a working VOC of a speedlock 5 or 6 game into a TZX ?<br /> <br /> The reason I ask this is because I have a couple …

Related Searches

  • 3b ula
  • issue 3b ula
  • 6c001e 5
  • harlequin modified ula
  • ula model 2
  • ula
  • zx 2 ula
  • zx 2 ula interchange
  • zx 2 ula swap
  • grey 2 ula swap
  • ula 128
  • ula replacement
  • 2b dead ula
  • black 2 dead ula
  • slam ula
  • wip ula
  • ula replacement module
  • a15 ula
  • ula clon
  • 6c001e 5 ula

Copyright © 2024 World of Spectrum