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DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... don't believe in the "M1 fault". I also had problems ... indeed had to do with M1. In one case I had ... simple way of making inverted M1 signal using a transistor (don ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
The M1 fault is very real ... , WR for /E2 and M1 for E3 on that chip ... same machine also shows an M1 problem when connected to ... is being used to sense M1 high, and the CPLD ... to sense M1 low, on this one ... machine M1 is probably stuck in ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... are in fact a faulty M1 line. I wish my case ... /> In my case a faulty M1 line is out of the ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... ). Presumably, also, the MREQ and M1 transistors on the DivIDE are ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... (which has a known bad M1 line, and doesn't function ... trailing edge of MREQ or M1 or IORQ since the bus ... -
start up issuesive got a new laptop, a toshiba tecra m1, and i need to format the hard drive. but on start up it doens't give me an option to press F2 or what ever.…
... new laptop, a toshiba tecra m1, and i need to format ... -
start up issuesive got a new laptop, a toshiba tecra m1, and i need to format the hard drive. but on start up it doens't give me an option to press F2 or what ever.…
... new laptop, a toshiba tecra m1, and i need to format ... -
z88dk 1.8 releasedSince I am the most regular of the z88dk peeps to post here I might as well let you all know that v1.8 has been released. [code] A little later than…
... ram, WRX16 hi-res mod, M1-NOT circuit enabled (options on ... -
Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... memory translation tables - one for M1 opcode fetches, one for memory ... for memory write. Having the M1 table allows me to trap ... -
Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... memory translation tables - one for M1 opcode fetches, one for memory ... for memory write. Having the M1 table allows me to trap ... -
MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…
... a7 a6 a5 a4 iorq m1 gnd
; pin 13 ... */a2"
@define ide "/iorq*m1*a7*/a6*a5*a1"
Spectrum Analog interfaceHello Spectrum addicts, Feels good to join you :) I'm trying to build an analog joystick interface for our beloved machine. I've set up a page here:…
... to pay attention to the M1 line (so you don't ... since many Spectrums have dodgy M1 lines, and in my experience ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
Sinclair used faulty parts to save money, including z80s with faulty m1 lines.Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... money, including z80s with faulty m1 lines.[/QUOTE]
This ... chips with specific error - bad M1 line...
I read earlier ... Z80 chips were with dead M1, and it was proven in ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... a way to test the M1 line with only a multimeter ... (if any) have a bad M1 - i've got spare (new ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... a way to test the M1 line with only a ... case, it suggests that the M1 line is indeed knackered.
M1 line (ZXATASP & ZXMMC+) ... working under ResiDOS even if M1 is broken is that this ... demfir etc use. Probably the M1 line is used only for ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... working under ResiDOS even if M1 is broken is that this ... /demfir etc use. Probably the M1 line is used only for ... BASIC extensions, without using the M1 line? (Short of the hardware ... simply ignoring M1 for the case of RST ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... a way to test the M1 line with only a multimeter ... much is "high" logic on M1 (this seems to vary, and ... enter the reset state and M1 will go high, reading some ... 0,7V means a dead M1 pin.
Release ... s continously, and this causes M1 to show a 50% duty ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... BASIC extensions, without using the M1 line? (Short of the hardware ... simply ignoring M1 for the case of RST ...RZX Player interface - Possible?If I have a Mass Storage interface and some media (CF, SD) with a couple RZX files, what would I need to play them on a real Spectrum? If the RZX fil…
... to count (assuming a working M1 line) and fetching some data ...Retro Computer MuseumHello everybody . . . Just thought I would point you to my website . . . [url]www.retrocomputermuseum.co.uk[/url] I am currently in the (long) proc…
Good good, only a brief hop down the M1. :smile:Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …
I would re-check M1 line. You said that an ... in the path of the M1 signal from the bus connector ...Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …
The M1 may be defective on the ... seem to have a working M1 with the Opus, it won ... new CPU cure my faulty M1 line ?Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …
... So, you have a faulty M1 line on your CPU. Replace ... seem to have a working M1 with the Opus, it ... faulty Interface 1: with a M1 faulty machine, that Interface ... one, with a working M1 line, the computer hangs ... new CPU cure my faulty M1 line ?[/QUOTE]
It ...Running TZX off an IDE drive? Or streaming from a NAS?Hello. I know about the DivIDE project, and about the ZX Ethernet project, but not how far they've come or what they can do. So: 1. If I have a squ…
... combination with the RD and M1 CPU signals). When the hardware ...16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…
... the leading edge of the M1 cycle rather than the trailing ...Saboteur replaysI can't seem to be able to play the Saboteur replays as available in [url]http://www.rzxarchive.co.uk/s.php#saboteur[/url]. Both Spectaculator and Z…
... example counting IRQ as one M1 fetch by mistake, then it ...Happy New YearHappy New Year to everybody. May 2009 bring everything you wish. I'm not much into New Year celebrations, neither is my wife. So it's home for us an…
... we raced back up the M1, I'm pleased to say ...
