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Connecting a ZX Interface 1 to a +2AI have a customer with a Spectrum +2A computer - he has a working ZX Interface 1 and microdrive which has been tested with his +48 machine. However,…
... older spectrum type connector but even then i dont know if ... a case of a faulty M1 line. -
Depression (Post PhD Slump)No not economic depression, but mental depression. For no explainable reason I have become very depressed about my work and very pessimistic about m…
... ;aq=0&aqi=g9g-m1&aql=&oq=exercise ... specific event, which may be even be minor. If you know ... -
Depression (Post PhD Slump)No not economic depression, but mental depression. For no explainable reason I have become very depressed about my work and very pessimistic about m…
... ;aq=0&aqi=g9g-m1&aql=&oq=exercise ... specific event, which may be even be minor. If you know ... -
DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …
... suggest the lack of an M1 line on the Z80 chip ... anyone know if this has even been tried and if so ... -
DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …
... suggest the lack of an M1 line on the Z80 chip ... anyone know if this has even been tried and if so ... -
Why I hate the 80's.Everything that I hate about the 80's can be summed up by the loading screen for this game. [url]http://www.worldofspectrum.org/infoseekid.cgi?id=000…
The Royal Weddingthought I might as well.. as Mel likes em so much ;) Kate's sister scrubbed up well and Miles fav Elton was there :lol:
[b]
But even if correct, my point is ... your logic chip...maybe the M1 line is bad.
even if true, why can't ...Hare and the Tortoise - motorbike style.Mrs.T - suzuki vanvan 125cc set off at just before 9am to Fareham, about 145miles away this route. Top speed 65 (though I saw her do 71 on it once) C…
... be visiting tomorrow down the M1 no doubt.
I ... going to the same place.. even though they sped past me ...Spectrum - Show in London area, April 2012Hello Folks, we have been already discussing in another thread. Here I simply want check the interest.So the question is easy: If we will organize a …
... up North).
Probably even north west London makes more ... Heathrow, the M6, M4 and M1Spectrum - Show in London area, April 2012Hello Folks, we have been already discussing in another thread. Here I simply want check the interest.So the question is easy: If we will organize a …
... it's handy for the M1 and north circular road...
even going thru the west end ...Spectrum - Show in London area, April 2012Hello Folks, we have been already discussing in another thread. Here I simply want check the interest.So the question is easy: If we will organize a …
... it's handy for the M1 and north circular road...
even going thru the west end ...Opus Discovery - problem reading disksHello, I recently got an Opus Discovery 1 but unfortunately for me it seems to be temperamental. :-( The ZX Spectrum that is connected to it powers…
... 40 Tr trails on it. Even formatting did not remove the ... is your friend.
M1 - ?
M2 - Spindle motor controlled ...Spectrum 8bit IDE adaptersHello there my fellow WoS'ers Today I am pleased to (finally) release these little adapters into the wilde [URL="http://postimage.org/image/1aceto6…
... br />
[B]Bad (weak) M1 signal (pin 27 of Z80 ... may have a bad (weak) M1 line - this is quite rare ... 1 CPU with a poor M1 signal... I went onto ebay ... CPU with a bad/weak M1 line wont work with a ... of them worked... they failed even reporting back an IDE device ...Guide price for a 48k rubberkeys from you lot?My trusty Spectrum (an Issue 3, working since late 1983 or early 1984) has finally upped and carked on me :-( Now I could hit ebay or the local boot…
... . Some of my ebay customers even with tapes.. pay 99p and ... /> not many can test the M1 line I guess (multiface etc ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... be a right laugh, was even going to ask for the ... /> Springfield 03 sniper rifle
M1 garand
BAR
Bazooka ...divide question - ribbon cable?Hi - recently got a divide and loving it but not enough room on my desk. Is anyone aware of a supplier of a ribbon cable that could sit between +3 …
... as well as signal pickup, even at 3.5Mhz
M1 signal from the CPU, if ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... , but now I don't even feel very confident the diagram ... find any pulses on its /M1 pin and sometimes there are ...A misbehaving DivIDE 57c (Now repaired)Hello there my fellow WoS'ers Indeed it has been a while since my last post, please let me wish you all a (belated) Happy New Year, my this year bri…
... new Z80 CPU with Good M1 and NMI signals -
even holding down the button there ... magically fixed!!
However, even under the 5x doplar halo ...I've just spent the day at WembleyWatching Crewe Vs Cheltenham Excellent game and even better result. All our academy kids, 9 home grown players in the starting 11, really played wel…
... />
sunday there are places , even where I am that sunday ... than 5 mins off the M1 which is perfect for a ... /> If your coming down the M1 Stanmore has always been the ...Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
... put on an oscilloscope the M1 line level simply doesn't ... functional (like it wasn't even connected).
As for ...Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
@beverstee
Sadly as Winston points out... some Z80's don't even have enough of an M1 signal to amplify with a transistor.Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
... possible to solve the bad M1 signal by adding a transistor ... got enough in it to even drive an oscilloscope input. (If ... do it, but the bad M1 lines I've seen don ...Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
... believe that Z80s with defect M1 would ever leave the factory ... without noticing the M1 problem. Maybe this happens even in our days ...Spectrum 128 toaster and divide incompatibility problems with some demos and games.Okay so I got this thing now. It?s my first Spectrum ever. [img]http://img836.imageshack.us/img836/2016/speccyl.jpg[/img] [url]http://img824.image…
... be made to 0x3FF8-0x3FFF, even if there is some code ... did the usual trap on M1+address method. (This turned out ... 4164 memory seems to be even less reliable than 4116...yet ...Spectrum 128 toaster and divide incompatibility problems with some demos and games.Okay so I got this thing now. It?s my first Spectrum ever. [img]http://img836.imageshack.us/img836/2016/speccyl.jpg[/img] [url]http://img824.image…
... did the usual trap on M1+address method. (This turned out ... 4164 memory seems to be even less reliable than 4116...yet ...Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... all on /M1 line, even in a system where /M1 isn't used ... a chip works within specifications, even "dodgy" is putting it too ...Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... thing as a "dodgy M1 line", they either work ... TL;DR version: Looks like M1 is internally disconnected in the ... (and doesn't even resemble a valid M1 signal).
< ... (which requires a working M1) but doesn't work ... it's loading the M1 line by marginally too ...Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... way you look at it. Even if my MF1 is dodgy ... people won't notice even if the M1 line is a bit ...Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... have anything to do with M1. It could be any other ... swing on /CLK is lower even with no peripherals attached).Graph Plothi! please, help with code: [PHP]For x=-100 To 100 For y=-100 To 100 If (x/2-25)*(x/2-25)+(y-50)*(y-50)<200 Or (x/2+25)*(x/2+25)+(y-50)*(y-50)<200 th…
... (although that's rather slow even so). It could be written ... to get it to work, even if you want to do ...
