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Spectrum SE - a legal cloneI obtained permission to use the Z80 version of BBC Basic with a Spectrum clone. Open82 is looking like a better choice now.
I obtained permission to use the Z80 version of BBC Basic with a Spectrum clone. Open82 is looking like a better choice now. -
MEMPTR finally crackedThis post is mainly for emulator developers. As you may be well know there is a misterious internal register in Z80 CPU (MEMPTR) which value is set …
... a misterious internal register in Z80 CPU (MEMPTR) which value is ... set or changed by some Z80 instructions and 2 bits of ... was not exactly known which Z80 instructions initialize the MEMPTR and ... -
Has this been done before?Are there any emulators whose speed can be adjusted by the Spectrum program that the emulator itself is running? So that, say the Spectrum program ca…
... program can contain an illegal Z80 instruction which the emulator would ... -
The Countdown Has Ended...Look at this. I've reached 2000 posts at last, and in a fraction of the time it took me to get to 1000. Let me review what has happened in that time.…
... into the exciting world of Z80 programming. Obviously, I'm nowhere ... to become sufficiently advanced in Z80 programming that I could write ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…
... slowly getting to grips with Z80 assembly - currently equal parts frustration ...SPECCY81 : The new ZX81 emulator for the ZX SpectrumI can sent you an early beta version. No optimal BASIC emulation yet ( with translated ROM ) No SAVING yet, No menu yet, but with pseudohires (no …
... ) and load option.
faster Z80 emulation than in ZX81EMUL (downloadable ...The Sing-clair ProjectFollowing on in a way from [url=http://www.worldofspectrum.org/forums/showthread.php?t=11800]this[/url] thread, I have had an idea. How about if we …
... lip service to Zilog's Z80
They prob'ly stole ...TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …
... Machine for some good ole Z80...
Also once the ...Emulator 'primer'Hi, I see there is an emulator primer from the perspective of [i]using[/i] one but does anyone have a primer for [i]writing[/i] one? I've already s…
... RAM images + started porting the Z80 instruction handler from a Java ...Emulated DivIDE interfaceHi all, good news also a Windows emulator (EightyOne) emulates DivIDE interface! (yet Fuse for Unix/Linux). I'm using EightyOne (I'don't know anythin…
... my favourites PC files .SNA,.Z80 and .TAP? (so then I ...How to create pretty screenshot maps[size=+1][b]A. What will I need?[/b][/size] 01. Your favorite [url=http://www.worldofspectrum.org/emulators.html]Speccy emulator[/url]. 02. An util…
... />
02. Open [i]testing_frame.z80[/i] in the emulator (distributed ...Assembler RequestI need a command line assembler that can compile the following code Structures, [code] CHNPRM struct .PsInOr defs 1 .PsInSm defs 1 .CrAmSl defs 1 .C…
... /> Are there any other Win32 Z80 assemblers that can compile this ...I have some Polish stuffHi I have created tzx files of some Polish Spectrum programmes (mostly educational games) which are either stored on Wos in .z80 format or not listed…
Hi
I have created tzx files of some Polish Spectrum programmes (mostly educational games) which are either stored on Wos in .z80 format or not listed at all.
Should I send them directly to WOS via upload page or
to any member of MIA team?The CP/M User has Arrived![FONT=Courier New]Where's the welcoming Committee? :-D[/FONT] [FONT=Courier New]Long-term Z80 user who stumbled across a Jupiter Ace emulator [/FONT…
... /> [FONT=Courier New]Long-term Z80 user who stumbled across a ...VHDL specs for SpeccyI got it into my head that I should program a bunch of FPGAs and build a Speccy of my own, using designs from opencores.org (specifically the T80 cpu…
... in VHDL or Verilog? The Z80 isn't an issue, but ...Repeatable notable game crashesHi, Is there a list of "repeatable, notable game crashes" ;) anywhere? From memory, I remember quite a few wtf? moments when playing Speccy games w…
... the black screen as the Z80 decided to run from address ...ZX certificate - first trygosh, that was nasty! [I]We are sorry, but you did not pass. Your score was 52.50%, while the required score is 70% Your subcategory scores are as …
... /> * Basic programming: 40.00%
* Z80 Assembly language and system routines ...Yay! Minuetz has appeared in the WoS archive!Huge, massive, unbelievably large thanks to whoever submitted Minuetz to the archive! I remember listening to this many, many moons ago (it must've…
... the Archive as an "unknown" .z80 called Minu() since 1997! Grrr ...Anyone working on a Debugger?Is anyone working on a command line debugger or even a Windowed debugger that can be sent messages? I'm after a debugger that can debugger Z80, thus…
... a debugger that can debugger Z80, thus requires an emulator window ...EightyOne and CF cardsInspired by obo & piters discussion regarding imaging of flash card, I've added reading/writing to real disks to EightyOne. Hopefully it should allo…
... to a CompactFlash card or IDE drive connected to your PC ...SPIN RZX playbackNot sure if anyone has mentioned this, but has anyone else noticed that when you play an RZX file back in SPIN at a hiked up Z80 CPU speed level, tha…
... SPIN at a hiked up Z80 CPU speed level, that unless ...new spectrumI have notices all sorts of advances on the C64 sceene such as 20mhz cpus, gui`s, and IDE interfaces. are they any kind of advances in development fo…
... 20mhz cpus, gui`s, and IDE interfaces. are they any kind ...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 ...
