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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 ... -
[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... ‘memptr’ register and the hidden flag ‘q’. The emulator pass all ... -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... /Serial routines
- Checks for flag on sysRAM if set skip ... -
Drawing some spritesI figured I want to draw some sprites. My target was to do a 16x16 masked sprite. There's no clearing here, just drawing the sprites. My first ite…
... render, the time varies. Second negative side is that since the ... shared code between sprites. Third negative side - this particular sprite takes ... -
Modern PSU: picture improvement?I've recently seen advertised some 'replacement power supplies' for Spectrums for which the claim is made that they may make an improvement in pictur…
... to be interpreted as a negative or positive remark about this ... -
WHDload for the AmigaFor those Amiga lovers who were too cheap to register WHDload...now you don't have to, it's gone free. *** 18.2 (23.12.2015) - chg: the WHDLoad i…
... resets the internal
run flag also at word reads to ... -
Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... and failed to find any negative going pulse of a longer ... -
Elite - Save data complete map[code] $0000 Commander Name $0001 Commander Name $0002 Commander Name $0003 Commander Name $0004 Commander Name $0005 Commander Name $00…
... and the 'Mission 1 trigger flag' is set then that means ... as the Mission 2 completed flag. The 3rd mission has its ... own flag as seen in the data ... -
ZX Spectrum Games Clearout - all offers seriously consideredHi, I have the below games available for sale. Please PM me to discuss:- Arcade Hall of Fame (includes Raid!!, BlueMax, Rocco, Flak, Hunchback…
... /> Horace Goes Skiing
Chequered Flag
Chess
Tasword Two ... -
2.99 CLASSICSHi, I'm looking for [b]Chequered Flag[/b] and [b]Codename Mat[/b], both on the 2.99 Classics label. Any help would be very appreciated :) Chee…
Hi,
I'm looking for [b]Chequered Flag[/b] and [b]Codename Mat[/b], both on the 2.99 Classics label.
Any help would be very appreciated :)
Cheers -
Are there any 'REAL' global conspiracies?Me and the missus have been watching the new X-Files series and also watching the old series from Episode 1. After watching last nights episode, the…
... (Groom Lake), reverse engineering, False Flag.....the list used be never ... convinces me :))
False Flag - To me this is all ... -
Remaking Special Operations - some thoughts and questions.(Edit: Sorry - long one!) Special Operations is one of my favourite titles and, despite them being very different, is up there with Halls of the T…
... a screen$ with the Nazi flag on it will not be ... -
Thanks for the support!!There's been a bit of (unwanted and unprovoked) negative commentary made by an ex-WoSser on Twitter and FB recently and the support for WoS from the …
... bit of (unwanted and unprovoked) negative commentary made by an ex ... -
Add with Carry ExampleHi, I have been really struggling to understand this simple example from Mastering Machine Code and I wonder if anyone can help? I have include…
... set to 4C and carry flag set
LD H,A ... .
Also the carry flag is not being set in ... -
Zona 0 review:Another review, this time it's Zona 0: http://spectrumparadise.blogspot.com.es/search/label/Zona%200 An interesting and actually quite good gam…
... Light Cycles. The only important negative point is the lack of ... -
Fuse for Mac OS X 1.2.2 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project: http://sourceforge.net/projects/fuse-for-macosx/ Not…
... not have the no edge flag set (Fredrick Meunier).
[/list ... -
ZX Spectrum video waveformsAll work for this post was done on a ZX Spectrum issue 1 board (16k bytes of RAM only). This was what the Spectrum displayed on the TV screen: [i…
... the oscilloscope to add a negative offset value to get the ... the oscilloscope to add a negative offset value to get the ... -
Ebay refund annoyanceI ordered 5 PS4 games from 5 separate sellers on ebay and 3 turned up within 2-3 days. 2 games didnt turn up and i gave it a few extra days till t…
... there is a stream of negative feedback for the same game ... -
How would you do a negative image ?So I want to invert a Speccy bitmap. What would be the fastest and easiest way to this ? I've been using this a lot but I can't see how I could achi…
So I want to invert a Speccy bitmap. What would be the fastest and easiest way to this ?
I've been using this a lot but I can't see how I could achieve this. Because LDIR just copies the data from the addresses HL to DE.
ie
LD HL, ... -
"ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…
... , I find the decimal point flag gets stuck on and it ... -
SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... /> Filled circles and ellipses with negative magnitude radius now draw properly ... problems
String multiplication with negative values no longer crashes SpecBAS ... -
Frying a 48K ZX Spectrum (revision 4A) with 10 V instead of 5 VHello I got a used zx spectrum. When I opened it up, there was no 5 V positive voltage regulator at the 10 V power inlet. Instead what would be in…
... used a 5 VDC center negative PSU instead and didn't ... -
SpecBAS 0.905 Released...I said I shouldn't have done it, so now I have to release an update to fix the bugs I missed but that my valiant testers discovered! Here's what's…
128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
... : things can be more complex. Negative side: partial chunks of the ...TV programs that jumped the shark (then fell off a cliff)[b]Can one of the mods move this to the chit-chat forum, please? Sorry, I posted it whilst fixing another PC and my tiny brain can't cope with two th…
... his selfishness, laziness and other negative traits, managed to garner our ...Step through assembly language whilst viewing registers and flagsHello, Is there anything available which would let me step through an assembler listing and see how each register (and flag) changes at each instr…
Hello,
Is there anything available which would let me step through an assembler listing and see how each register (and flag) changes at each instruction?
ThanksHow to connect universal PSU?A fleamarket find! Spectrum+ without PSU. :) I don´t know if it works. I have universal PSU, please confirm which is the correct polarity? [b]A)…
... /thumb/8/8f/Centre-negative.svg/640px-Centre-negative.svg.png[/img]Custom Menus on the ZX Spectrum +3Today, my Friends, i have the pleasure of presenting a program i have written which gives a set of custom menus on the +3. The main features of my p…
... . [img]http://yoursmiles.org/msmile/negative/m0985.gif[/img]
EDIT ...


