-
Going for it!After deliberating for ages and putting it off and putting it off more, I've finally decided to get everything I need to start riding Motorbikes. No…
... a 125Kw? Are there more tests or do they become "unlocked ... -
I've had better nights...So I got a broken issue 2 today, case in good nick but the diags board showing multiple failures in both lower/upper RAM. Never mind, good as a spare…
... />
Any other suggestions for tests I can perform on lower ... -
Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... put in two tests.
One tests whether the 16-bit ... routine.
The second tests if the LSB of the ... -
Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…
... suspect (once the base 16K tests on any machine pass, we ... -
My new Spectrum +3 has no start menu.Hi all, I recently took delivery of my 'new' Spectrum +3 from a Fleebay auction. So I serviced the drive on Saturday as it had a snapped drive belt …
... MLP together). I ran all tests except for the drive test ... -
Spectrum Not Responding to Keyboard InputHello, sorry if this thread is not in the correct place, This is my first post and I'm not sure where to post this type of thread. :lol: Anyway, I r…
... chip are. Are there any tests I can carry out to ... -
IF1bis printer interfaceI just finished building the IF1bis printer interface and would like to report that all my initial tests were successful. The upgrade of the firmware…
... report that all my initial tests were successful. The upgrade of ... -
ROM tape trap emulator testA very simple set of [URL="http://homepage.ntlworld.com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF return values for various incorrect blo…
... .com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF ... -
ESXDOS 0.8.5 and .Z80 on +2B or +3Last week I received some .Z80 snapshot files from a DivMMC EnJOY! user to test. These files didn't work on his ZX Spectrum +2B. [URL="http://benophe…
... .
[U]My tests[/U]
I tested the ... />
[U]Imre's tests[/U]
To make sure ... -
Sorting BusinessThis is a little bit different from the usual game-related fare but I know there are a few people here who like this sort of thing. This is about so…
... onward with the timed sorting tests. I'm testing three sorting ... .
[code]
// All tests run with variations of this ... -
Which games perform checksums on the 48K ROM?I've just modified a version of the 48K Spectrum ROM designed for use on the Timex Sinclair 2068, so that a 16 bit checksum of the ROM produces the r…
... know, which games performed these tests on the ROM? I'd ... -
Formule, uMIA game in Scene+ from Jan RuppertIn issue 44, there is a simple basic game, the ones used in the driving tests, where the player has to stay on the road, written by Jan Ruppert. Its …
In issue 44, there is a simple basic game, the ones used in the driving tests, where the player has to stay on the road, written by Jan Ruppert. Its not listed in WoS archive.
Maybe LCD has the tzx? :) -
Help put this back to 16kSo this issue 2 arrived today and ive opened it up just to nosey and confirm that infact it is an issue 2. Now from the help offered in an earlier po…
... but am aware of the tests shown in the joules per ... -
Can any .dll programmer help here, please?Long story short, I was given a laptop to fix, where randomly when a game was started (by double clicking it's icon) the game would not start, instea…
... . I did all the usual tests, but it turns out to ... -
Speccy BrosIt didn't make such a good impression to me in post-release tests but it's an awesome conversion and I've found myself playing it pretty often lately…
... to me in post-release tests but it's an awesome ... -
Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …
... .com/watch?v=IzgCmldm2H4"]initial tests[/URL].
The multimeter ... tests are all within the ranges ... -
Short Circuit Damage?Hey Spectrum fans, Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot -…
Hey Spectrum fans,
Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot - it would just display the black square in the middle and not initialise itself to the ... -
48k - Why Won't it Buzzzz?Hi WOS ;) I bought a load of Spectrum games off eBay and thrown in for good measure was a 48k 1984 Issue 6a circuit board that I was told was for sp…
... .
I did some tests with a multimeter, replaced all ... -
Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... have done the basic voltage tests and all are within specification ... the keyboard so no exhaustive tests yet), this Spectrum otherwise works ... -
Noob repairs of an S2 and S6AI received two Spectrums a Series 2 and a Series 6A both of which are not working. I don't know anything about electronics so thought my lad and I wo…
... ] they both pass the initial tests that we went though.
tests as there's a wire ... -
Weird 1982 Copyright message after cap change.Hello All, As mentioned before I had a busted Issue 6 48K Spectrum+, one of the capacitors had leaked, and trashed the keyboard membrane ribbon. Us…
... /> We performed the voltage diagnostic tests and all appears good.
Dodgey R62 / D16 on Issue 2?Hello all, I am still beavering away trying to work out why my Issue 2 fails and after a much closer visual inspection I noticed what looks like som…
... , however when I performed resistance tests all appears okay, I am ...Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... , and ran them all, all tests passed, keyboard, RAM, ROM, ULA ...Tinkering with DMASo, some afternoon tinkering... [img]http://photo.alioth.net/tmp/dma_small.jpg[/img] The purpose of this all is to see what's possible using the Xi…
... are short enough in these tests that it won't go ...Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …
... ://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and ... some of the tests failed.. so I tried it ...
Failed to run tests:
-- Z80 Stealth v1.17 ... mode and it passed all tests.)
(EDIT 2: switched off ...ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... badly corroded).
- Standard initial tests suggest no faults.
- Power ... is faulty.
- Removed D9. Tests open circuit.
- Fitted 1N4148 ...Finally got round to itFinally got round to giving my old speccy a close look. Details 1982 Issue 2 Seriel No 001 196193 Hmm... Followed the initial tests on You tube w…
... ...
Followed the initial tests on You tube which were ...TR4/TR5 replacementHi guys, I've got another Spectrum I'm working on now - an Issue 4S this time. When I originally got it, I powered it up and did the basic tests a…
... up and did the basic tests and it seemed to work ...
