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Level9 Adventure GraphicsI have been developing a windows based adventure creating tool, which at the end of it all, creates a spectrum .tap file. Its a while off being finis…
... are obviously ported from another z80 without the spectrum attribute compromise ... -
RZX - The possibilitiesI understand why an RZX can't be searched with a slide bar the same way we do with a regular video file. But I think it could be done. I'm thinking …
... that exact moment. Similar to .Z80 snapshots, but always preserving RZX ... -
Dump Sinclair character set to file?Hi guys, I'm working on a version of Manic Miner for the TI-99/4A. It's not a port, as I'm not looking at the original Z80 code, just re-creating th…
... not looking at the original Z80 code, just re-creating the ... -
Overflow Flag QuestionHello all, After a long hiatus (lost all code when my MacBook was stolen) i've gone back to the drawing board and am writing a Z80 emulator in REALb…
... board and am writing a Z80 emulator in REALbasic (think VB ... -
Bit 3 And Bit 5 Of The Flag RegisterHi, I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? For instance, it would seem th…
... are set in Phil's Z80 test suite when testing INC ... -
ZX81 Question?Just bought a ZX81 on Ebay (as you do). It was sold as not working, but once I'd changed the fuse in the plug on the transformer it was working like …
... onto the legs of the Z80, and it has two 74LS ... -
Messages in 'Invasion of the Body Snatchas'I searched the forum and checked the [URL="http://equ.in/ox/spectrum/eggs/"]Easter eggs page[/URL] but couldn't find any reference to the messages I …
... .zidev.com/zx/temp/InvasionOTBS_hiddentext.z80[/url] -
Chrust packerOriginally posted on comp.sys.sinclair: [quote=Gasman] Introducing Chrust, the next in the series of obscure utilities that will surely come in usef…
... of Dmitry Pyankov's original Z80 code and Marat Fayzullin's ...
Z80 emulation core. A sort of ... -
Accelerated spectrum?Hihi Has anyone managed to replace the Z80 in a spectrum with a Z80B? Just wondering if it'd be possible to have a couple of crystals switchable to…
... anyone managed to replace the Z80 in a spectrum with a ... -
Was Knight Lore Really Written Before Sabre Wulf?Was Knight Lore really written before Sabre Wulf or was this a clever form of self promotion by the Stamper brothers? It was a great piece of journa…
... />
What do our resident z80 experts think?
It ... -
NEG Carry ProblemJust when I thought I had the carry flag figured... I'm implementing the NEG instruction but I keep getting the incorrect value for the carry flag. …
Just when I thought I had the carry flag figured...
I'm implementing the NEG instruction but I keep getting the incorrect value for the carry flag.
According to Phils Test Suite (which I'm sure is the right answer) my answer for ... -
InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…
... emulating interrupts.
My z80 core currently emulates all un ... -
16-Bit Binary MathsHi, I'm trying to figure a few things out regarding 16-bit maths (SBC HL, ss in particular). regHL is an UInt16 (unsigned 16-bit integer) in my emu…
... out the V and H flags. I have them figured out ... -
ANN: InkSpector 1.0 finally released!Hi, InkSpector 1.0 is now available from [url]http://www.inkland.org.uk[/url] (Changes from v0.93 at the bottom of this msg) InkSpector is a scrip…
... .txt for details.
? .sna, .z80 (all versions) and .szx snapshot ... -
ZX-Blockeditor version 1.0.1.9 publishedToday I have published the newest release of ZX-Blockeditor, which comes with new file format support (TRD, SCL, $?, CSW, TZX 1.2, SZX 1.3 and update…
... .3 and updated reader for Z80 file variations).
Furthermore, You ... -
New Spectrum GameFor those who didn't attend, this weekend's Retro Fusion event featured a high score competition, for which I wrote a new Spectrum game. Nothing too…
... something like that. Collect the flags for points, and reach the ... -
Need Help - VideoOK, I have finally (nearly) finished my Z80 core! It's been a flipping long slog but I have now emulated (almost) all commands including a lot of th…
... have finally (nearly) finished my Z80 core! It's been a ... -
ANN: Tipshop updated Thursday, 31 July 2008Thursday 31 July 2008 Another 2 updates in the one month - I'm too good to you all (ahem. Ed) * Mark Cantrell sent me a copy of the maps he sent ou…
... , A, Submariner, Ultimate Warrior and Z80 Attack - all credited to Viktor ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... that it will be a Z80 / 6502 hybrid. It still uses ... calls will be emulated in Z80 for maximum speed. This means ... . will be in native, fast Z80.
I actually do ... -
Nmi menu for MB02+ enters 21st century:)Dear speccy users and especially MB02+ ones, I am proud to anounce that after 5 months of ceaseless and intensive work I am releasing new version of…
... new features, mainly loading of .Z80 snaps is now fully completed ... -
Could you have seven wives?Just watching 'Polygamous Wives' on Sky 2 at the moment. This bloke has seven wives. Could you do that? - Monday's one might moan like a cow, but g…
The "Ernie Wise Memorial Game What I Wrote" thread 2008As the September rain lashes remorselessly long and hard against the window (Everest PVC-u) what more can a cove do but reflect on life whilst drinki…
... .websitehome.co.uk/zxspectrum/AlienBirth.z80[/url]
Obviously, they ...Be honest - Vienna, by Ultravox, is a really awful songActually, Vienna is a great song. But yesterday on BBC3 they had one of those "100 best" or "100 worst" worst programs that today's program schedular…
... ZX Spin has the best Z80 core routines. I've no ...Developers developers developers developers developers!OK, I think it's at a stage where someone else can also have a go at doing things with the Spectranet. If you've not been following the hardware foru…
ALLRAM MODE on +2A/+3[url]http://velesoft.speccy.cz/other/+3_allram.z80[/url] Load Z80 file in ZX emulator and write RUN+ENTER. This basic program can switch +2A/+3 betw…
[url]http://velesoft.speccy.cz/other/+3_allram.z80[/url]
Load Z80 file in ZX emulator and write RUN+ENTER.
This basic program can switch +2A/+3 between allram and 128 modes
In allram mode is rewritable ZX rom.Tai-Pan: can you board a FrigateSomething which has bugged me for decades is a simple question: can you board frigates in Tai-Pan? [url]http://www.caffeinated.org.uk/spectrum/games…
... /> Is there anyone with enough z80 nous to check the code ...Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…
... /> Am left wondering if the Z80 has a dodgy address line ...Just wrote my first useful working Speccy BASIC program in years...A nice UK National Lottery number generator. And not just any lotto number generator either. This one generates 8 lines of 6 numbers without replace…
... C++. Plus I'm learning Z80 assembler too. Another project in ... Z80! :D
Feedback is ...Which computer is most similar to Zx Spectrum?I have wondered recently wihch other 8-bit computer is most of all similar to Zx Spectrum. I mean similar graphics, similar gameplay, similar program…
... in emulator, but it has Z80 processor like Zx Spectrum and ...