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Ecstasy & AgonyWhile checking out the area around Chennai Central station on Sunday, I came across this crowded narrow road taken up entirely by roadside vendors se…
... fried eh? Or perhaps the ULA? Somebody please tell me that ... were to replace the ROM/ULA and they would work I ... -
"TommyGun" gets a complete MAKEOVER for next release ...From the author, Tony Thompson ... """""""""""""""""""""""""" [B][I] I hadn't worked on the TommyGun editor for while. But when I got sick (about …
... (for sprites etc) and color replacement. The funny thing is that ... -
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
replacement ear and mic sockets on a spectrum+...ok, i bought a spectrum recently in an 'as seen' condition, so i suppose i have no right to complain because it isn't working... in any case, i was…
ok, i bought a spectrum recently in an 'as seen' condition, so i suppose i have no right to complain because it isn't working...
in any case, i was hoping someone here could help me out, since i've looked at some of the online repair manuals ...No TV/composite picture on Spectrum 128KI have a heatsink-type Spectrum 128 that doesn't produce a picture any more, neither on the TV nor on the composite port. Apart from that, it seems t…
... . I tried to get a replacement, but the chip is discontinued ...Pentagon interface news from VELESOFTIt's from Xagon's board. It is about new interface for Speccy - it make Your comp compatible with Pentagon (and not only) and also it gives You up t…
QuickBASICQuickBASIC Emulation: Is it possible to declare and pass global variables throughout a program along with confine a local variable to just a module-…
... local variable to just a module-level in an SE BASIC ...Spectrum repairsHello, does anybody here have experience with repairing defunct Spectrums? I have several of them at home, mostly 48K ones collected over time from …
... symptoms of faulty memory or ULA ICs? Which ones are likely ...ZX in FPGA...Hmm..seems nobody is interested in a replacement PCB with FPGA...well..heading towards next FPGA projects then...C64 and others (o; [ This Messag…
Hmm..seems nobody is interested in a replacement PCB with FPGA...well..heading towards next FPGA projects then...C64 and others (o;
[ This Message was edited by: klingler on 2004-07-08 15:19 ]Cheapest keyboard sourceWhere I can buy replacement keyboard foil for my ZX 48k?
Where I can buy replacement keyboard foil for my ZX 48k?Broken keyboard?Maybe long time ago discovered (o; Just found that if the keyboard isn't working anymore but the key foil itself is intact you need to cut of the 5 …
... after long time usage internal ULA pull-ups take over (o ...Poll: How many would buy FPGA ZX Spectrum board?Sad this old version of phpBB doesn't support polls (o; So I ask the normal way here...how many would buy a ZX 48k/+ replacement PCB with: - Standa…
... would buy a ZX 48k/+ replacement PCB with:
- Standard ...UHF BoxHello all, I have got a Spectrum +2 which has a broken UHF box and was wondering if anyone knew where I could get hold of a replacement unit. More …
Hello all,
I have got a Spectrum +2 which has a broken UHF box and was wondering if anyone knew where I could get hold of a replacement unit.
More than happy to fit it myself
Thanks
AndrewInterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... * How long does the 48K ULA hold /INT low?
* ... this is generated by the ULA every 69888 tstates, which ... When an interrupt occurs, the ULA pulls the /INT pin ... routine finishes before the ULA has pulled /INT high ... finished just as the ULA pulled /INT low, ...ScanlinesHere's an excerpt from the FAQ: [quote] Now for the timings of each line itself: define a screen line to start with 256 screen pixels, then border, …
... the CRT, so if the ULA is reading bytes it does ...SAGA 1 Emperor KeyboardI have a SAGA Emperor replacement keyboard gathering dust in the attic, and was thinking of auctioning it on Ebay, but don't know what it's worth. Sh…
I have a SAGA Emperor replacement keyboard gathering dust in the attic, and was thinking of auctioning it on Ebay, but don't know what it's worth. Should I put a reserve on it? I haven't seen any on Ebay to use as a guide.
DerekStrange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
... the inner workings of the ULA can comment on this.
Tape decks for Amstrad SpectrumsHas anyone ever made a replacement unit for these? Preferably a better quality one, cause god knows it could do with one!
Has anyone ever made a replacement unit for these?
Preferably a better quality one, cause god knows it could do with one!help wanted regarding repairsHi, 2 questions. 1) Where can i get zx81 replacement keyboard membranes. 2) Is it possible to alter the volume/pitch of the tape recorder built …
... ) Where can i get zx81 replacement keyboard membranes.
2 ...Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…
... is not to do a replacement board or to emulate other ...Power Pack for +2 - help!I recently bought a 128K +2 Speccy on Ebay for ?4 (bargain!). It all looks sound enough and in very good condition EXCEPT for the power pack which …
... where I can get a replacement power pack (without having to ...Replacement for ZTX213 I`ve had a power problem with a speccy standard 48K the +5,-5,+12 volts power on the board has gone , so I need to replace the TR5,TR4 which are ZT…
I`ve had a power problem with a speccy standard 48K the +5,-5,+12 volts power on the board has gone , so I need to replace the TR5,TR4 which are ZTX213 & ZTX651. What I`m asking is, can you use other transistors or do you have to use the ztx types? < ...Wanted: Code to wait until Border has been drawnWhen my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing. I know I need to wait about 14300T after…
When my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing.
I know I need to wait about 14300T after interrupt but how can I tell if the ULA is now past the border and onto the screen?Where to get Speccy bits and pieces...Hi everybody, My poor little 16K Speccy is begging to be fixed but I think the ULA has given up the ghost - when I power it on the screen stays the …
... fixed but I think the ULA has given up the ghost ... tick (which I believe the ULA is responsible for).
Anyhow ... I can find a 5C112 ULA as is in this machine ...ANN: Gosh Wonderful ROM new version 1.31All those other version were just leading up to this one - The Gosh Wonderful ROM gw03.rom is a replacement for the standard ROM in emulators that al…
... ROM gw03.rom is a replacement for the standard ROM in ...KB1/2 QuestionHello all.. New to the forum and all that (posting at least), 'nuff said. At the the risk of making a fairly dull first post, I wondered if anyone …
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Now I know the ULA and membrane are fine but ...Floppy Storage TipFloppy Storage Tip - Now we are ?throwing away? the VHS cassettes, save the boxes as you can store 14 floppies in it. Thanks to Quazar for my ?FREE?…
... came with my Sam Drive replacement kit interface thingy !
Slowly getting dead... (ZX48)Well, in a post of mine, I said that i have a problem with B,N,M,Symb.Shift and space. Then when i opened this wonder of technology, i saw that the t…
... or not. I mean dead ULA or dead membrane, no processor ...Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
How long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
