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Residos with Task Manager crashes on NMI button pressI finally installed my DivIDE Plus which I actually bought about one and a half years ago. (I have way too little time for this project :cry: .) Ever…
... have Z80's with the M1 line missing? Or would in ... -
Does a bad sequel/episode in a book/game/film/etc series kill the series for you?I meant to post this yesterday, but didn't get the time, but someone I was talking to said they used to love the Resident Evil series almost obsessiv…
... pointless, but I still like M1. The second Mr Bean film ... -
Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…
... and #562 then next after M1 cycle will connect DIVIDE memory ... -
Playground versions of songs[URL]http://usvsth3m.com/post/68364658890/how-did-your-playground-disrespect-jesus-christ[/URL] Our school's version was "Jesus Christ, superstar …
... lost his lollipop on the M1 motorway"
whereas my ... his willy[1] on the M1 motorway"
and no ... -
Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... even have the classic faulty M1 line.
Still, the ... -
Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... up and running again. The M1 line was still also functioning ... -
harvard architecture spectrum clone.I got my first +2 before christmas. I'd never given the 128k spectrums much thought, always been a 48k rubber key tradionalist. :smile: I've been me…
... in with a read and M1 signal plus other logic for ... but not classed as a M1 cycle, (need to look in ... and reads that are not M1 cycles. display file would be ... -
Please explain how a Kempston interface circuit works.Can someone help me understand how a Kempston joystick interface works, as I want to design and build my own as an experiment. I understand switches…
... lines !IOREQ and !RD (or !M1 for some reason instead) and ... -
Compact Flash Card In "Memory Mode" - (Help)Hello my fellow WoS'ers I have been developing a Z80 8bit interface with a compact flash card port based on Pera's ZXCF "memory mode" interface for …
Timex video mode & SamCoupe sound chip.Hi, people! I propose a solution which allows to use sound chip SamCoupe SAA1099 jointly with computers Timex 2048/2068. Everyone knows that these de…
... /> TimexConfigLoad=/A9 & A10 & /M1 + /IORQ + /(A0 & A1 & ... & A6 & A7 & /M1);
2) you must change ...Address bus contents (i.e. PC) during execution of HALTI'm wondering if anyone can tell me what's placed on the address bus during execution of HALT, beyond the initial M1 cycle. The Z80 user manual state…
... of HALT, beyond the initial M1 cycle. The Z80 user manual ... states that M1 cycles are repeatedly executed, but ...Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…
... the Pritchard book (I know Toni Baker has sound routines for ...understanding machine codeHi Quick question. Am not really sure if it fits development forum as its not really development per se its more a learners question about developm…
... ]
I am following Toni Bakers Mastering Machine Code on ...misunderstanding screen addressingHi I am just reading mastering machine code Toni Baker: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/books/MasteringMachineCodeOnYourZXSpectrum…
... just reading mastering machine code Toni Baker:
[url]ftp://ftp ...DJNZ displacementHi I had a question about DJNZ operation. Just running through this code in MMCOYZXS by Toni Baker page's 87-88 [QUOTE]21A440 LD HL,40A4 11083F …
... this code in MMCOYZXS by Toni Baker page's 87-88 ...byte to screen eventI have another question regarding assembly routine in MMCOYZXS by Toni Baker page's 87-88 [QUOTE]21A440 LD HL,40A4 11083F LD DE,3F08 0608 LD B,08…
... assembly routine in MMCOYZXS by Toni Baker page's 87-88 ...Issue 4S differencesI decided to buy an Issue 4S PCB after reading much about them on here. It was originally in a plus case which didn't come in the sale. I've been run…
... read this might be because M1 isn't implemented properly on ...Microvitec CUB MonitorFinally moving house soon and I've decided to part with my CUB monitor. I've used it mainly with my Toastrack in the past, but not for a few years no…
... Milton Keynes or near J12 M1 at my office.Problem Reading the KeyboardHi Folks, I'm working my way through Toni Baker's rather good book and thought I'd write some code to scan the keyboard and store the results so tha…
... 'm working my way through Toni Baker's rather good book ...DivMMC + ESXDOSHowdy, I'm trying to implement DivMMC and ESXDOS on my FPGA-based Spectrum compatible, ZX Prism. Could anyone tell me under what bus conditions the …
... to check for each? (MEMRQ, M1 and RD low, Address bus ...+3 edge conn issueHi all, Long time 48k user, but recently bought a +3 off Ebay for fun. I made the composite video mod and have her up & running but, Have tried my …
... about the +3. I scoped M1 (common prob with some Z80 ...Help with Assembly - DEFB, etc.Dear all, I'm going through Jnathan Cauldwell's tutorial and find myself scratching my head at part I can't find a decent explanation of anywhere! E…
... decent explanation of anywhere! Even Toni Baker has let me down ...+2b borkedwell not completely I get this when I hit the NMI on my multiface 3 (so that negates the use of my divides too), the yellow/green stripes flash [IM…
... 48) the z80 has good m1 line (came out of a ...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…
... . Suspect existing CPU has faulty M1 output.
- Replaced all electrolytic ... voltages present.
- Confirmed CPU /M1 output not present.
- Fitted ... display produced.
- Confirmed CPU /M1 output is functioning.
- Re ...SPIN AssemberHi, I'm in the early stages of learning assembler, and am now looking at some tutorials from Toni Baker in ZX Computing: [url]http://wos.meulie.net…
New Game: El Cetro del Sol - Spanish text-adventureHi there! If you happen to enjoy playing old-school spanish text-adventures then this announcement is right for you! ;-) "[b]El Cetro del Sol[/…
... del Sol[/b]" by [b]Toni Pera[/b]: step into the ...Understanding the Kempston joystick circuitHere is the schematics: http://www.retroisle.com/sinclair/zxspectrum/Technical/Hardware/KempstonJoystickInterface-Schematics.php Ok, the 74LS138N …
... ,A6,A7,/RD,/IORQ and /M1, on the expansion port. When ... as /RD and /IORQ, and /M1 is high, the chip pushes ...Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... Z80 had a non-functioning /M1 output (this is very common ... CMOS Z80 and confirmed its /M1 output works correctly. ZX285 would ... , but one with a working /M1 output. The Spectranet interface now ...Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…
... on your ZX Spectrum' by Toni Baker. I have followed everything ...
