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IX register wonderings...***noob alert*** I'm doing a lot of these in my program: ld a,(ix+n) cp 0 jp z I know you can do things like this: dec (ix+n) but can you test …
***noob alert***
I'm doing a lot of these in my program:
ld a,(ix+n)
cp 0
jp z
I know you can do things like this:
dec (ix+n)
but can you test for zero condition without ... -
Intel x64 vs Zilog Z80Just been having a gander at the x86 CPU Architucture here: [url]http://software.intel.com/sites/default/files/m/d/4/1/d/8/Introduction_to_x64_Assemb…
... /> Page 3 references the RFLAGS register. I find it humbling that ... of the flags within this register: CF = Bit 0, PF = Bit ... -
The Hobbit - Chaos EngineI had a bit of a slow day yesterday, so I ended up playing 'The Hobbit' (Version 1.0 from this site) for a few hours. I know how to complete the gam…
... although the parser doesn't register it on-screen, it's ... -
Sometimes I just despair...Who new that a recycled [I]Two Ronnies[/I] gag could be so controversial? Have a quick scan of this piece on [I]The Register[/I] about the end of XP …
... this piece on [I]The Register[/I] about the end of ... -
Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …
Interview with Zilog FoundersIt's almost eight years old now so maybe this has done the rounds once already, but in case you missed it: [url]http://archive.computerhistory.org/r…
... probably the 8-bit index register stuff which was undocumented) but ...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…
... location are passed the 'A' register which contains the memory that ...New version emulator ZEsarUX 0.6Hi I have uploaded a new version of my ZX Spectrum/ZX80/ZX81 emulator. Changes are: Added ZX Spectrum smp tape loading (raw audio) Added Image stab…
... /> Added experimental support for MEMPTR register - not enabled by default on ...Multimatograf demoscene - cool graphics, music, demos for votingJust st the moment there is an ongoing animation party Multimatograf, which has a demoscene competitions as well: 1. Beeper music 2. AY-music 3. Grap…
... /45600/[/img]
Please register on a Multimatograf website:
[url]http://demoscene.multimatograf.ru/register.html?lang=English[/url]
JSpeccy 0.93A new JSpeccy version has been released. Summary of changes, - Drag & Drop support forTAP/TZX/CSW/SNA/SP/Z80/SZX/ROM files. - Command line options …
... /> - Full emulation of MEMPTR hidden register.
- Confirmation dialogs can ...Fairlight on ZEROI have the ZERO Spectrum Emulator which I I like very much and does everything I need of it, almost. I have both the 48K and 128K versions of Fairli…
... I cannot get them to register my joystick. There doesn't ...Frank Bruno's Boxing Graphics FixI fixed all the graphics corruption problems on Frank Bruno's Boxing running on any machine apart from a Spec48K. download fixed files here : [url]h…
... one I think) had I register changed to 59 which would ...Machine Code in 30 minutes - car gameWotcha folks, 30 years on and I'm still struggling with Machine Code. I'm going through the 30-minute tutorial on the Chuntey blog and it's all made…
... the contents of the C register ...which doesn't make sense ...From Bedrooms to Billions - Sept Release![url=http://www.frombedroomstobillions.com/shop/blu-ray][img]http://lifeschool.mikendezign.com/pix/bedban1.png[/img][/url] [url=http://www.frombedroo…
... site to: read past newsletters, register your address for deliveries, download ...Company computer/IT policyI know some here are IT staff, but this is open to anyone who can provide useful input. I?ve been asked to draft an IT policy for a company, thought…
... IT people keep the asset register?
What happens if ...Ben HeckI can't seem to see if anyone has already posted this. If they have then maybe a mod can merge this into the existing thread. [url=www.theregister.…
... =www.theregister.co.uk]The Register[/url] is running a competition ...A questionSince the wos website is due to be updated/migrated soon, will we need to re-register again and will our old posts still be visable?
Since the wos website is due to be updated/migrated soon, will we need to re-register again and will our old posts still be visable?Tinkering with DMASo, some afternoon tinkering... [img]http://photo.alioth.net/tmp/dma_small.jpg[/img] The purpose of this all is to see what's possible using the Xi…
... each increment of the B register.
Another example application ...MiniDayzI'm playing this "16-bit" version of Dayz, called "MiniDayz". It captures the essence of Dayz. I link you it here, you are going to play many times! …
... is that you have to register in the web of Bohemia ...Turbo loading with iOS Speccy Tape AppHas anyone had any luck using this? It works perfect at normal speed but as soon as I try to whack the speed up in the settings - Nothing. Doesn't e…
... settings - Nothing. Doesn't even register or look like it's ...Spectrum Vega Media Reviews (Good & Bad)Good: [url=http://www.theguardian.com/technology/2014/dec/02/zx-spectrum-vega-games-console]The Guardian[/url] [url=http://www.dailymail.co.uk/scien…
... /2014/12/02/sinclair_computers_is_back_and_this_time_its_just_as_rubbish/]The Register[/url]ZX rom type detectionHere is routine for fast detection of zx rom / computer model. [URL="http://velesoft.speccy.cz/other/ZXROMDETECT.zip"]http://velesoft.speccy.cz/othe…
... rom and return in BC register value 0-7 signed zx ... address (#09AC).
Routine return register BC=0-7 for ZX ...The best Tetris game on the Speccy?The recent [B]Tetris Ultimate[/B] debacle on the PS4 and XBox One* made me wonder what was the best version of Tetris on the Spectrum. I'm not famil…
... a constant speed, let alone register the player's attempts at ...Addressing mode of LDIR and LDDRWhat addressing mode would the instructions LDIR and LDDR be classed as using? Would I correct in thinking that they're register indirect, as both t…
What addressing mode would the instructions LDIR and LDDR be classed as using?
Would I correct in thinking that they're register indirect, as both the source (HL) and destination (DE) registers are pointing into memory?Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…
... can't pass in a register to the BIT commend, e ...Authentication FailedEvery time I click on a listing in the WoS it asked me to log in. Using the log in details that use for here (WoS Forum) and all I get is "Alert 530 …
... thought maybe I need to register so that I can log ... as to where I can register! Or is it that only ...ZERO Emulator - BugsI have been using Zero emulator to experiment a few routines in assembly, since it has a somewhat usable debugger. However I believe I found a few b…
I have been using Zero emulator to experiment a few routines in assembly, since it has a somewhat usable debugger.
However I believe I found a few bugs, some in "zero" application, and some on emulation itself.
The following example ...Fuse - HelpAs some of you might have guessed already, I'm kind of doing a rampage on a lot of emulators, to test things out, and find the most suitable for deve…
... lots of info.
Register, T-States, Memory Map, ok ...Are all paid for Emulators problematic?Recently I've made a donation of $21.57 Australian dollars or ten pounds for the ZXSpectrum4.net by Tim Butler and Richard Butler, so to register for…
... and Richard Butler, so to register for the full version.
register it and all should be ...
