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I did the Macarena With Wally Week because that's how I roll.I did the Macarena With Wally Week because that's how I roll. Just a bit of fun, thats mine - what's yours? Pick the month you were born: January…
... Mole
14............ a Fluffy Z80
15............ a deep fried ... -
OT: PCB making service from OlimexI've just used Olimex to have my first boards 'factory made' (I usually just etch my own, but I needed a couple of my ALIAC-2 Z80 core boards, and th…
... couple of my ALIAC-2 Z80 core boards, and they ... http://www.alioth.net/Projects/Z80/Z80-Project/Z80-Project-Pages/Image21.html ... new Zilog parts - brand new Z80 and CTC, old PIO)
Z80/Z80-Project/Z80-Project-Pages/Image22.html ... -
Crap pre-installed in new computersMy battered 7 year old Toshiba laptop was stolen from my friends house and just got delivery of the replacement. His insurance did not pay up as he l…
... just got delivery of the replacement. His insurance did not pay ... -
Psion Revo - Spectrum EmulationHello all. I've just bought a Psion Revo (8mb) for 20 quid and was hoping to use it for emulating the Spectrum. A few years back I had a Psion 3a bu…
... =revo[/url]
that 'z80' runs on the Revo. Does ... -
New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…
...
RF TV output
Z80 processor
256k RAM (at ... that will run on a Z80?
5. The main ... -
Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…
... ,
insert resisitor
|
Z80 MEMRQ +----+--/\/\/\/---+------>ULA, top 32K ... -
+2B ram chips?Hi all, I have got 2 Plus2B`s and 1 Plus2 gray case. Ok the one Plus2B don`t work, so I tried to see if I could pin down the problem. I changed the …
... problem.
I changed the Z80 from the Plus2B to the ... I know its not the Z80.
There are 4 ... I know its not the Z80, and the one ram chip ... least I have a working Z80 inside it.
The Plus2B ... -
8-bit or 16-bit registers?I'm playing around with writing a Speccy emulator for mobile Java at the moment. I did a quick and dirty port of Qaop, which does run but at less tha…
... that I can get the Z80 emulation at full speed on ... 'm about to start the Z80 core for real.
Notation questionI wasn't quite sure where to put this post, so anyone's welcome to move it whereever may be more appropriate. So I'm reading about Z80 interrupts he…
... /> So I'm reading about Z80 interrupts here:
[url]http ...Tea2000Hi Does anybody know of a stockist for the TEA2000 Chip or is their a replacement.
Hi
Does anybody know of a stockist for the TEA2000 Chip or is their a replacement.Fuse for Mac OS X beta releasesA beta version of Fuse for Mac OS X has been released at the dedicated sourceforge project: [url]http://sourceforge.net/projects/fuse-for-macosx/[/u…
... the reset line on the Z80) and "hard" resets (pulling the ...Compressors are available for Speccys ?Hi folks, although I was an wasn't strictly a speccy coder in the glory days (amstrad & amiga for the most part), I have secides to arse about with …
... compressor many years ago for z80 machines).
I currently ...LightpenI have the DK'Tronics Lightpen interface here but the pen's missing. Does anyone know how to build a replacement pen? I'm planning to sell this inter…
... know how to build a replacement pen? I'm planning to ...+2B problem stillHi all, I have a spare +2B that still dont work. Richard kindly sent me 4 x 4464 ram chips but the +2B still dont work I have swapped over both ROM`s…
... both ROM`s and the Z80 for known working chips ans ... is very warm and the Z80 is very warm and getting ... both ROM`s and the Z80.
I thought that the ...Old TS2068 tape foundI made a .z80 snapshot of the programs I found in both sides. If you load the first program and read the commentary, you'll understand how this gentl…
I made a .z80 snapshot of the programs I ... .zidev.com/ts2068/other/JRC_side_1.z80[/url]
[url]http://zxspectrum ... .zidev.com/ts2068/other/JRC_side_2.z80[/url]
It's ...Splitting Images tzx maybe not perfectI've been hacking this game and its loader. Also the save routine is intact in this game. It saves a block with a pilot length of 801 pulses. Test…
... .homecall.co.uk/spec/splittingimagessave.z80]Splitting Images Saver[/url]
Shadow on glassI don't think this game can be finished. I've used the GACPAC extractor tool so that I can examine the game in GAC [url]http://homepage.ntlworld.com…
... .ntlworld.com/madmekon/specpic/SHADGLAS.Z80[/url]
and made ...Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…
Snipped from the complete spectrum ROM disassembly:
[CODE]
Now the memory is checked.
11DA RAM-CHECK LD H,D Transfer the value in DE
LD L,E (START = +FFFF, NEW =
What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…
... the 360) XBox. My current (replacement) drive is now having trouble ...How to make TAP files of multi-load 48k games?I have a website, [URL="http://www.zxspectrum.net"]ZXSpectrum.net[/URL], with the ZX Spectrum 48K emulator Qaop, that accepts TAP, Z80 and SNA game f…
Mnemonics UppercaseMy question is more PC oriented than Spectrum, but maybe somebody knows a simple solution. I have some Spectrum machine code in .asm files. I wrote …
... to load a list of z80 instructions and perform replacing only ...Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... for 32 cycles and the Z80 can generate interrupt for the ...Sam Revival issue 19 out now! [Sam CoupIssue 19 of Sam Revival is now out! Let's start off with what's on the coverdisk: Conquest. Written by Peter King in 1997 this originally had a lim…
... this issue is "Programming the Z80", a new machine code column ... introduction to the Sam's Z80 CPU, hexidecimal numbering, memory and ... a gentle plunge into learning Z80 assembly and you'll soon ...Wipe Out by KB RamWhilst doing a long-overdue update for Speccy Spoilers, I noticed that one of the latest additions is a game which doesn't appear to be in the archiv…
... ://www.rzxarchive.co.uk/wipeout.z80[/url]Need help identifying this musicI made a small basic program with all the notes that I can remember, but it may be incomplete. I'm not sure if this was from a game or not. Please li…
... .zidev.com/zx/temp/UnknownMelody.z80[/url]
Thanks ...Damn, I think I need a reflow ovenOr a reflow frying pan at least... I was just assembling an order through Farnell since I've worn out another soldering iron tip (which has actually…
... than the CP2200 for the Z80 to read, without a microcontroller ...A Legacy for AlaricThis one's a bit confusing. Side 2 of [url=ftp://ftp.worldofspectrum.org/pub/sinclair/games/r/RetardedCreaturesAndCaverns.tzx.zip]Retarded Creatures…
... /pub/sinclair/games/l/LegacyForAlaricAPart1.z80.zip]Part 1[/url] and ... /pub/sinclair/games/l/LegacyForAlaricAPart2.z80.zip]Part 2[/url] are ...Trying to create NMI, whats this switch?Hi, I have been reading a book Z80 Applications, and I am trying to create a simple device for creating a NMI. Here is a schematic: [url]http://www…
... have been reading a book Z80 Applications, and I am trying ...Anyone program on the speccy and still program?I messed around with Spectrum basic in the 80's mainly doing drawings that I created using basic commands. I then learnt Z80 Assembler for a collage …
... basic commands. I then learnt Z80 Assembler for a collage project ...
