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HELP! Motherboard installation woes!Can any of you guys help me? I recently bought an ATX power supply, plus a new ATX motherboard w/ 2.8GHz Celeron D processor to replace a machine th…
... .8GHz Celeron D processor to replace a machine that's died ... -
lots of books for sale up on ebay!!!!!ZX81 Basic Sinclair Spectrum Basic Spectrum machine language for the absolute beginner The Century computer programming course 30 Hour Basic (Spectru…
... to the Spectrum
Advanced Z80 Machine code programming
Advanced ... -
Garry Lancasters +3e site down?Hi, I have been trying to access Garry's page about the +3e ROM, because I know of a utility for the +3 he has on the site which makes it possible f…
... for the machine to run .z80 snapshots. Having finally gotten hold ... -
R Register, Contended RAM and ClonesHi. I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - there …
... -register is internal to the Z80, but thought I'd ask ... -
Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…
... /> I wrote a proc in z80 asm, based on:
z80 programming, and cannot find an ... -
Spectrum audio signallingI've had a poke around in some of the docs (and my Z80 assembler-fu is so rusty it'll be a while before I grok the Complete Spectrum ROM disassembly)…
... of the docs (and my Z80 assembler-fu is so rusty ... -
Nesting NMI'sz80-undocumented (.pdf) page 20/21 [from [url]http://www.myquest.nl/nowind/?q=node/10[/url] ] suggests that IFF1 is not copied from IFF2 if NMI's are…
z80-undocumented (.pdf) page 20/21 [ ... this is true, then the z80 must have a method to ... currently writing a BSD-licensed Z80 emulator and have implemented this ... of doing this, or is z80-undocumented wrong?
Any ... -
Old code uploadedI'm gradually ploughing through my microdrive catridges and I am uploading the recovered contents at [url]http://mdfs.net/Software/Spectrum/Microdri…
... ' type of recovery.
* Incomplete (!) Z80 disassembler.
* Emulated teletext display ... -
*WoS database feature request*Greetings, This message is primarily addressed to Martijn, but I've thought of making it public, so that other members may have input on the subject…
... that each binary (TZX, TAP, Z80) has its MD5 (or a ... -
+3e ROMs v1.28 releasedAfter a slight delay (ahem), I have updated the +3e ROMs to v1.28. Amongst other things, this release provides: [LIST] [*]Completely rewritten (and …
... 48K and 128K snapshots in .Z80 and .SNA formats
[*]Automatic ... )
[*]New Multiface 3 to Z80 snapshot conversion utility (in the ... -
Spectaculator QuestionsI've been messing around with this great emulator, and was surprised how easy it was for me to load a game from minidisc into Spectaculator as if it …
... me playing back a saved z80 file through Spectaculator so I ... -
Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …
... version and I want to replace the ROM with an english ... -
Memory Map/ContentionHi I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scrolling…
... coding (well I did some z80 coding a few years back ... -
PSpectrum on the PSPDoes anybody use PSpectrum on their PSP? I have been using it for ages now but for some reason when I try and play Bruce Lee it crashes when I enter …
... , even though the SNA and Z80 files I have work fine ... -
Decent Assembler...I'm quite in the mood to learn a bit of Z80... Can anyone recommend an easy to use assembler (that will run on a real Speccy) that's not too complic…
I'm quite in the mood to learn a bit of Z80...
Can anyone recommend an easy to use assembler (that will run on a real Speccy) that's not too complicated, and good for a novice? -
Emulator for viewing variables dataI am looking for a windows emulator, this emulator can view variables data used in game (tap,sna,z80...). It knew edit variables data. I dont remembe…
... used in game (tap,sna,z80...). It knew edit variables data ... -
Help deciding how to developHi all, I've been looking through this forum for a few days now, and decided to say hello to you all. I have one question though, mainly because ther…
... -1989 ish) messing about with Z80/6502 then 68000 assembler, and ... like to play about with Z80 again. Is there a best ... -
Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…
... Functions with parameters began to replace the Basic style sub-routine ... -
Will we see a return of the microcomputer?The glory days of the 80's are definitely in the distant, revered past, but I notice that computer makers are marketing more and more ultraportable l…
... can't see why newer Z80 or Z280-equipped micro-machines ... -
License plateWhat's wrong with the car with this dutch license plate 89-46-ZX It is an OPEL COMMODORE! Anyone found other Spectrum / Z80 based plates? We had a…
... />
Anyone found other Spectrum / Z80 based plates?
We ... -
Replacing my Spectrums Rubber KeysWhat is the best way to remove the metal surrounding the keys so that I may replace my Spectrums rubbery keys as they are dirly and worn out. Most i…
... keys so that I may replace my Spectrums rubbery keys as ... -
MDR File formatFor reading (and writing) MDR-files into my ZX-PC Interface I need the layout of a MDR-file. Googling with MDR FILEFORMAT etc.. doesn't seem to help,…
... here in WoS. Link over Z80-format, SNA-format, TAP-format ... -
How to write an IDE drive (8 bit)?Hi there. I want to build the 8-bit interface by Pera Putnik, and substitute the original ROM by an EPROM with the appropriate program in order to c…
... do you copy files (.SNA, .Z80) to the hard drive? I ... -
Boulder Dash 3How to complete this level? [url]http://maps.speccy.cz/Boulderdash37.z80[/url] Controls: Kempston joystick
How to complete this level?
[url]http://maps.speccy.cz/Boulderdash37.z80[/url]
Controls: Kempston joystick -
Replacement ROMsSo, I've replaced a couple ROMs in my +3 to be a +3e. I used a couple of 27c256's, which has worked a treat. So if I wanted to replace the ROMs in …
... /> So if I wanted to replace the ROMs in another machine ... )PROMs can I use to replace the chips in each model ... -
Madness or inaccurate docs: RR r/RL r?According to the Z80 User's Manual, the instruction RR r/RL r should rotate the carry flag into bit 0 or bit 7 of the register in question (bit 0 or …
According to the Z80 User's Manual, the instruction ... be seen again. Buggy Mostek Z80, or buggy documentation? -
BETA Test in Progress[url]http://www.delhez.demon.nl/[/url] BETA release 13A provides a handy token key for the popular quote character. Also, performance will improve …
... of RAM at 8k xsby Z80 // plus 8k more (for character ... -
ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
... latest version of ZXSpin, to replace the rather aged old 0 ... .504. This one will also replace the version hosted here on ... -
When could Speccy have been born?Just a pondering excercise for those that know more about the different types of chips in the Spectrum than I. Whilst browsing the z80 page on wiki …
... than I. Whilst browsing the z80 page on wiki last night ... away to see that the z80 started it`s life in ... -
Developing the Spectrum ROMI'm working on some Z80 assembler for a Z80-based single board computer that I'm building. For the things that don't poke my hardware, I'm using a Sp…
... working on some Z80 assembler for a Z80-based single board computer ... kit, perhaps on an earlier Z80 based microcomputer.
Anyone ...
