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Delta 128 disk interfaceHello everyone? Does anyone know about Delta-128 disk interface? Are there any schematics, descriptions, etc? I wonder what controller and what ope…
... /> Does anyone know about Delta-128 disk interface? Are there any ... 's backwards-compatible with Beta-128 ?
I'm from Russia ... -
128 won't loadI been trying to load a 128k speccy programme ( the fantasy one that came with the speccy 128 ) into a 128k heatsink speccy but it gets so far and th…
... that came with the speccy 128 ) into a 128k heatsink speccy ... -
ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
... release (many added during the "test" phase):
- Added Pentagon ... />
- Added much more accurate "ULA snow" and IR contention. Note ... -
Mode 2 Tile Editor SourceA Timex Mode 2 Tile Editor incorporating a byte mirror table. The compiled version is available in the CSSCGC 2008 collection from the WoS archive. …
... ; 46006 ; copy screen to tiles 128-255
; 46128 ; copy ... screen
jr _2nd_128 ; second 128 tiles
bl2_to_scr ...
jr _2nd_128 ; second 128 tiles
bl1_to_scr ...
cp2bytes:
cp 0 ; test for copying to the screen ... -
Keyboard Problem?Hey all. I'm Dave I'm in my last year of college before I go to University. I'm in the UK. I got a +2 a while back when I first told my mum and dad…
... set it to produce the test signal and tuned it in ... 4 selections of calculator, basic 128 etc etc etc) and I ... ' button that sets up the test thingy that is on the ... -
Multiface 128 WoesI have a customer who has a couple of Mutliface 128s which are not working. He has managed to save some snapshots (and reload them) in the past, but…
... has tried a third Multiface 128 (in case it was his ... -
Spectrum +2 Test Software ROM BoardHi - Can anybody help I am trying to get hold of a Spectrum +2 Test Software ROM Board the one that connects to the Expansion I/O slot. Many thanks …
Hi - Can anybody help I am trying to get hold of a Spectrum +2 Test Software ROM Board the one that connects to the Expansion I/O slot.
Many thanks
Martin -
New Spectrum emulator for DS[url]http://zxds.raxoft.cz/[/url] [quote]Features already implemented: * Solid Z80 core - possible bugs aside, the Z80 emulation is as complete…
... emulator with reasonably precise T timing and with enough speed to ... lines at the times the ULA would read them. It looks ... -
ZX Spectrum+ / Spectrum 128 Keyboard MembranesJust to inform those who have been patiently waiting, that the Spectrum+ / Spectrum 128 Keyboard Membranes are now back in stock at your ever friendl…
Just to inform those who have been patiently waiting, that the Spectrum+ / Spectrum 128 Keyboard Membranes are now back in stock at your ever friendly retailer...
[url]www.rwapsoftware.co.uk/membranes.html[/url]
Rich -
It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
... diagnostic display, so that the test ROM program can display indications ... might be suspect) or the ULA (which might also be suspect ... table for a continuity/short test (the Issue 4S board it ... -
Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... can't go looking for timing issues with M1 (for the ... shows it coming from the ULA. -
Mutiface 128 on ebay[url]http://cgi.ebay.co.uk/Sinclair-ZX-Spectrum-Multiface-128-Boxed-and-working_W0QQitemZ320101641497QQcategoryZ50223QQrdZ1QQcmdZViewItem[/url] Look…
[url]http://cgi.ebay.co.uk/Sinclair-ZX-Spectrum-Multiface-128-Boxed-and-working_W0QQitemZ320101641497QQcategoryZ50223QQrdZ1QQcmdZViewItem[/url]
Looks nice bar the box sleeve.
I fancy his A1200 but there you go. -
Speccy 128Im looking to buy a speccy 128 (pref the original sinclair model (even better with the additional keypad)) to replace my broken 48+. I dont have a jo…
Im looking to buy a speccy 128 (pref the original sinclair model (even better with the additional keypad)) to replace my broken 48+. I dont have a job atm so I cant offer huge amounts for one. -
ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
Hi.
Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ?
Also looking for one 7805 heatsink...
Thank -
TIPP31 transistor questionYesterday I had the time to try and repair a 4S issue 48k spectrum I had. First of all I replaced all the electrolytic capacitors. The tr4 transistor…
... boot. I had tryied the ULA on another machine and it ... the tests on Sinclair's test program.
Everything is working ... -
Growing up... Jasmin supports 128/+2 nowHi, all. New version of Jasmin is available (v0.11). It supports ZX Spectrum 128 and ZX Spectrum +2 models. Try it [URL="http://www.dustedpixels.co…
... .11). It supports ZX Spectrum 128 and ZX Spectrum +2 models ... -
Multiface 1 and 128I have a multiface one and recently got a toast rack 128. Can I use the M1 with it or do I need to get a M128?
I have a multiface one and recently got a toast rack 128. Can I use the M1 with it or do I need to get a M128? -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... do not have equipment to test them separately.
Now ... . I can't just remove ULA from the circuit because it ... it possible to disable the ULA's video generation functionality (i ... you disconnect the oscillator from ULA?
Also, can someone ... -
Speccy 128 and Commode 1702 monitorHey Hardware Gurus, I tried to hookup a toast rack speccy 128 to my Commodore 1702 Monitor. It comes through ok but Black and white and no sound (do…
... hookup a toast rack speccy 128 to my Commodore 1702 Monitor ... /> Now, this is a UK 128 (obviously) and a US Monitor ... -
UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board. It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ? Thanks.
I remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board.
It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ?
Thanks. -
Pal10h8 (128/+2)Hi, I'm trying to get hold of one of the PAL10H8 chips used in the Spectrum 128 and +2 (grey) machines, for use in such a machine. In the latter cas…
... chips used in the Spectrum 128 and +2 (grey) machines, for ... -
Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... want to know is the ULA the same from issue 3 ... -
How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …
... problem i had with my 128 heatsink spectrum and the need ... /> I mean, how can someone test if the whole 128k memory ... -
Spectrum 128K - Needs Your HelpI have a Spectrum 128K (with the external heatsink on the RHS) it is a 1985 Version 6K mainboard, I got it out of the loft the other day and it wont …
... squares.
I have some test equipment and I can find ... RAM chips (soldered) and the ULA is marked 7K010E5.
Any ... -
Another spectrum saved! (almost)I'm feeling rather chuffed* I just mended my spectrum+ unfortunately several keys were dead, and on opening the keyboard up one of the membrane tails…
... keys I still managed to test my new zx printer too ... replace a single chip - faulty ULA -
Spectrum +3 disk drive errorsHello!As i am waiting for the ula chips to fix my spectrum 128+ i received another spectrum +3 i bought from ebay. I changed the drive disk belt as …
... waiting for the ula chips to fix my spectrum 128+ i received ... -
How do I test this printer ?I have got hold of an Alphacom printer. Thermal thing, looks a bit like the original ZX printer.....but of course without any manual. Plz give me s…
I have got hold of an Alphacom printer. Thermal thing, looks a bit like the original ZX printer.....but of course without any manual.
Plz give me some quick info on how to print a few lines.....anything.....just so I can test if it works. -
Multiface 128Hi Would it be possible to convert a Multiface 128 to use with a Spectrum +3. With a piggyback ROM and switch to enable and dissable the different …
... possible to convert a Multiface 128 to use with a Spectrum ... , LERM Transpack 2 and Genie 128 Multiface 128 Disassembler, but I seem ...
