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Fastest way to mirror a byte?I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?
... /> "Officially the Z80 has an 8 bit I/O port address space ... always had a documented 16-bit port space
"Both ... tries to go beyond a simple listing. The experts on the ... -
New Flash Rom Board for +3 and Black +2As per the other thread I've now sold out of these boards. There is however the possibility of getting a new batch made, and at the same time making …
... will fit when Zetr0's simple ide board is connected then ... 't have one of his 8-bit boards to test with, however ... -
New Flash Rom Board for +3 and Black +2As per the other thread I've now sold out of these boards. There is however the possibility of getting a new batch made, and at the same time making …
... will fit when Zetr0's simple ide board is connected then ... 't have one of his 8-bit boards to test with, however ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
...
This is a simple, non-optimized routine to move ... 8 sprites, 8*16 bytes is 128
;so using 8 bit ... really is a very simple PRINT command, Yes... ... is just a very simple PRINT routine that is ... instead :-). Anyway....back to the bit above...
;
;< ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... sprite movement which looks a bit naff.
[/QUOTE]
8 bit computers, has no concept ... 'A' is as simple as POKEing the ascii ... />
shift = 1 bit
01111111 10000000< ... (see SRL for a simple but unoptimal way of ... -
Which Ultimate Play the Game game's do you like (tick the ones you like)After discussing Sabre Wulf in another thread, I thought it would be interesting to see which games of theirs we liked and disliked in proportion to …
... an excellent game, if a bit simple.
Psst: Never bought ... a cute game, gameplay a bit harder.
Tranz Am ... 'm sure I played Alien 8 but really after KL I ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... 583727]It's returning an 8-bit number, but it looks like ... (i.e., all 32 bit combinations except all zeros).
bit-twiddling random-number generators so ... the transformation. If you use simple operations like xor and shift ... -
Auto generated spritesLooking around for some graphics I came across [url]http://blog.disktree.net/?p=19[/url] , one of several such pages. Need the odd 8x8 UDG or two (…
... /> 10 FOR F=1 TO 8: PRINT
20 PRINT F ... one... It seems so deceptively simple that Im sure it must ... media... but thats perhaps a bit ambitious... Still in theory, I ... combination of a poor-mans 8-bit random number generator coupled with ... -
Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…
... ;585565]We could do a simple test - show these all different ... eyes out when confronted by 8-bit graphics; let's face it ... -
You have one hour...You have one hour in which to convince a modern teenager that spending some time with a Spectrum rather than their XBox 360/PS3 might just be worth w…
offer to fund their booze intake, then when they're pissed show em a simple speccy game.....as they're twatted they'll find the simple 8 bit game more playable than a complex modern one.
Simple.....possibly -
You have one hour...You have one hour in which to convince a modern teenager that spending some time with a Spectrum rather than their XBox 360/PS3 might just be worth w…
... ; can't see past the simple graphics.
They need to ... fancy graphics in the 8-bit and 16-bit eras. Some of them ... -
spectraNET 2012Hello, time ago I got a divIDE interface and found it awesome, not many IC and so amazing capabilities. Nowdays Internet is everywhere so I looked ar…
... disk interfaces. I have a simple 8-bit interface but I have also ... -
M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?
... the FP stack for a simple *7 calculation, unless you're ... is 0-32, use an 8-bit calculation (value and result in ... 0-8191, use a 16-bit calculation (value and result in ... -
Best current ide /flash interfaces? and re harlequin cloneHi I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's simple IDE woul…
... Flash card interface - 8-bit, full capacity, very simple is the best solution ... [/url]
It's simple and use a special mode ... allow use full capacity with 8 bit bus. It has software to ... -
ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…
... (same input and outputs, but 8 bit data bus), but I don ... plan is getting things as simple as I could (only rewiring ... -
Two fingered gamesNifty Lifty, Crimebusters, Bug Eyes. I love games with simple two keyed controls like these*, can anyone name any other good ones worth investigating…
3 fingers.. but I kept quiet about it, to see if anyone would remember it. one of my favs cross format.. on speccy / atari 8 bit / c64
simple but addictive
[youtube]LfCtf3tVFmI[/youtube] -
In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... via index registers and very simple heap management anyway. Also the ... memory constraint very similar to 8-bit machine). Not sure if that ... -
Faster interfaces for data loading?Hi! I'd like to know which is the simplest interface to build WITHOUT using the +3e rom. I'm quite bored to load data using PC soundcard to real spec…
... /> I assume you mean the simple 8 bit adapters.
As far ... drivers are basically done (for simple 8-bit and divide but changing the ... -
What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …
... be applied to an old 8-bit computer which has access to ... in slowdown.
A simple example: I have a phonebook ... to make sure that the bit of code you are calling ... -
Outrun Europa in colourSwainy suggested that he'd like to try his luck with Outrun Europa colorful graphics and see if they can be improved. Let's give him the chance :) A…
... of Debian, which leads to simple emulator installs on Debian-derived ... it can emulate many other 8-bit systems, including a few 6502 ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... the competition has produced on 8 bit Atari -
[IMG]http ... mask is used to describe simple rectangular clipping regions (using two ... -
SU HighlightsI've been slowly flicking through every page of every issue of SU for about a year or so now (no sympathy required, it's mainly for nostalgia reasons…
... end of SU - and of 8-bit magazines in general, as far ... with the 90's. The 8-bit world scene had become the ... towards the ST/Amiga/PC, 8-bit machines were mostly taken by ... had much more interest in simple gaming other than everything. Hence ... -
SU HighlightsI've been slowly flicking through every page of every issue of SU for about a year or so now (no sympathy required, it's mainly for nostalgia reasons…
... end of SU - and of 8-bit magazines in general, as far ... with the 90's. The 8-bit world scene had become the ... towards the ST/Amiga/PC, 8-bit machines were mostly taken by ... had much more interest in simple gaming other than everything. Hence ... -
Paradroid for C-64, why not in the Spectrum?Reading the special 30th anniversary Retro Gamer, I came across this game which was considered to be the best game for the C-64, and it does not look…
... an argument about 8 bit graphics in a 64 bit age. Surely the ... crap looking graphics is a bit redundant now.[/QUOTE]
< ... are fine (puzzlers); others where simple graphics are fine.
simple games when the graphics are ... -
Fantasy Z80 instructions?This follows on from something catmeows said in another thread, and that I've been meaning to ask for a while. This may sound daft to people with mo…
... at 8-bit cpus like the 8080 or z80 (because they're simple) :) -
Arcade Game Designer 3The latest version of the arcade game creation tool for the 128K Spectrum. AGD 3 now boasts pop-up menu and inventory facilities for arcade adventur…
... is almost finished, just a bit of testing and bug-fixing ... other formats. The design is simple enough and I don't ... games for any number of 8-bit computers. :)
Watch this ... -
Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
... really, it simply has an 8-bit general purpose I/O port ... wonder if it was a simple pin to pin connection with ... -
Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…
... (this can be quite simple for slow signals). Unlike ... It's also a bit harder to compare exactly ... actually has quite a bit more available logic resource ... on-a-chip. Most 8 bit microcontrollers generally won't have ... ) available - I have 8 sitting on my table at ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... words, encoding more common bit converge to unsplitable range much ... you could go even bit further with a simple predictor for few ... probabilities can happily live as 8-bit number
so you ... better compression (actually 16-bit range is likely useless for ... -
Adding IDE to your Spectrum +2 A/B (or +3)Hello my fellow [B]WoS'ers[/B] [B]This is a shared thread with [url]www.amibay.com[/url] which you can [URL="http://www.amibay.com/showthread.php?t=…
... www.zxprojects.com/images/stories/zxmmc/zxmmc_1.jpg[/img]
8-bit IDE interface
[img]http://www.zxprojects.com/images/stories/zxmmc ... .zxprojects.com/images/stories/zxmmc/zxmmc_3.jpg[/img]
zxmmc/zxmmc_4.jpg[/img]
