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MultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
Yeah but Im sure its not the M1 line thing. I just put a new Z80 in it and that fixed the other M1 issues I was having with the interface one. I was thinking its probably 'wobble' when I am hitting it. -
MultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
... Im sure its not the M1 line thing. I just put ... and that fixed the other M1 issues I was having with ... you can rule out the M1 line problem entirely).
MultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
Blimey - too much water can kill you?To be fair, I had heard that drinking too much water (ordinary, clean, healthy water, not poisoned or anything) could be fatal, but I had wondered if…
... openly allows discussion of 'marmite motorway malarky' and 'bottie slapper shennanigans ...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…
If it's not the Spectrum's M1 line, it must be the paging logic. Luckily, all the chips can be bought off the shelf, except the RAM and the ROM. Would probably be an easy fix for somebody "in the know".i was almost killed at lunchtimei was walking past some mills on my way to the sarnie shop, when a tile fell from the roof and missed my head by a foot. (the distance will shorten a…
... the other side of the motorway where it rolled a couple ...toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... additionally - although my analogue electronics fu is not all that strong, looking at the schematics for an Issue 2 suggests that the power supply that generates some of the 'weird' voltages (+12v) is a switch mode power supply, which gets regulated by ...toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... , looking for A0=high and M1=high when IORQ=low is ...Regarding the interface with USB port[url]http://www.octocom.es/reuniones/art_madridsx07_11.html[/url] [url]http://velesoft.speccy.cz/kmouse/km-doc/kempston_mouse_turbo_interface/km-t_2…
... the Z80? I note that M1 isn't connected to the ... by putting IORQ low with M1 high. I've been caught ...Regarding the interface with USB port[url]http://www.octocom.es/reuniones/art_madridsx07_11.html[/url] [url]http://velesoft.speccy.cz/kmouse/km-doc/kempston_mouse_turbo_interface/km-t_2…
... the Z80? I note that M1 isn't connected to the ... by putting IORQ low with M1 high. I've been caught ...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…
... I think it's the M1 syndrome in one of my ...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…
... forum search for the word 'M1' pulled back no hits, which ... 's why a search for "M1" would give no results.
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…
... - which Z80s had the faulty M1 lines, and what was the ...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 …
... [/B] or even from [B]M1[/B] lines.
There are ...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…
... high. (IORQ low and M1 low = an interrupt acknowledge, ... was formerly connected to M1 directly to the +5v ... .
The M1 problem therefore appears to be ... timing issue (although the M1 line would have to ... ).
The M1 line isn't actually needed ...ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
... fine, eg. The reason being M1 is asserted when fetching instructions ...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…
... . (IORQ low and M1 low = an interrupt acknowledge ... was formerly connected to M1 directly to the ... Speccy.
The M1 problem therefore appears to ... /> [quote=Winston;181349]The M1 line isn't actually needed ... don't!) with M1, while monitoring M1 and some other ...Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... 've found out about faulty M1 lines, I'm making a ... so that the use of M1 is selectable by jumper, so ... or non-dodgyness of the M1 signal can be determined.
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... PCB layout for 'use M1 / don't use M1' to allow for ... to test the CPU's M1 line.
I've ...That is one ugly carBMW reckons this is their Merc killer [url]http://cars.uk.msn.com/News/car_news_article.aspx?cp-documentid=4718673[/url] Jesus Christ but that is o…
[QUOTE=aowen;184360]Even the M1?[/QUOTE]
Only if it has the badges removed.problem with sinclair zx 48 issue 6aHi all, I have the following problem when I turn on my sinclair without rom inserted. [url]http://217.79.64.145/sinclair/5.jpg[/url] when I turn o…
... bus, check for activity on M1 (M1 goes low with every instruction ...So, who's entering the csscgc 2007?Anybody entering the comp.sys.sinclair Crap Games Copmo 2007? I'm thinking of entering this year. I put two games in in 2005, Kilroy's Caravan Caper…
I've already sent one, and it's about senseless teenage vandalism just like Bus Shelter Destroyer. The game consists of dropping stones from a motorway flyover :oInterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
You will probably need to emulate the Z80s M1 signal as it is used by the interfaces to determine whether the memory address is being read as data or as a commandYou're gonna bloody well read this...I took the time to write this rubbish, so you can damn well read it! In the thread about Dan Brown (a third class writer who has achieved major fin…
... out of traffic along the motorway that ran from New York ...Scary Speccy games - are there any?Besides the classic Aliens game (the UK one), can anyone think of other Speccy games that cranked up the tension and were actually scary or made you …
... cooling towers next to the M1 today...watching Threads really made ...Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…
... - such as the CPU clock, M1 line, address and data bus ...Childhood strange obsessionsWell, off on a tangent from the white dog shit thread... there were the strange childhood obsessions which were pretty arbitrary and maybe a little o…
... in the centre of a motorway) were all 'double typename'. Ones ...Childhood strange obsessionsWell, off on a tangent from the white dog shit thread... there were the strange childhood obsessions which were pretty arbitrary and maybe a little o…
... in the centre of a motorway) were all 'double typename'. Ones ...A New PM by 3PMBy three 3PM this afternnon we should have a new Priminister. So what do you WOSERS think of Gordon Brown (texture like sun)? Is he going to be go…
... able to drive on the motorway, or walk in supermarkets, as ...Interface 1 electrolytic capacitorsInterface 1 has three 47μF electrolytic capacitors. Is it necesary to replace them with fresh ones? I always do this with old speccys but is it…
... the Z80 with the dodgy M1 line - only a problem if ...
