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what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…
... bottom. Basically. It is called "sprite multiplexing".
Of course you ... say im rather experienced with Z80 and i understand how 6502 ... index registers
-Z80 is clear winner when it ... ones of its registers
-Z80 slightly loss in memory access ... -
What did you do before WOS?Around 1992 I was still a very active Spectrum user, but had no one to talk about it. The stores stopped selling my favorite magazines and I was left…
... information on the Net through search engines like Ask Jeeves and ... in "zx spectrum" into the search engines and see what happens ... downloading my first emulator (the Z80 shareware version for DOS or ... -
CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …
... in Mode 2, however the Z80 isn't fast enough to ... haven't performed a thorough search yet. I'm probably looking ... -
ANN: Spud v0.202New version of Spud available for download. [URL]http://homepage.ntlworld.com/richard.chandler2/Spud20081224.rar[/URL] It has been reported that th…
... start the calculator or the sprite search tool, the sound comes back ... -
ANN: Spud v0.202New version of Spud available for download. [URL]http://homepage.ntlworld.com/richard.chandler2/Spud20081224.rar[/URL] It has been reported that th…
... start the calculator or the sprite search tool, the sound comes back ... -
Announcing the 2009 CSSCGCas Digital Prawn has already said, the 2009 compo page went live today, so there's a small overlap between the competitions. obviously you can't subm…
... " program and also Z80 snapshot of the "Crap Sprite Designer" I wrote ... -
Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
... the tables from [url]http://z80.info[/url]. But I' ... , l ; search the entire memory
search: xor a ; search for 0 ... z, found
jp pe, search ; BC!=0
ret ; ... and the table from z80.de I've been ... -
25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…
... to use with BBC BASIC (Z80)
* Suggesting support for command ... of the ROM as a sprite
* Utilities:
* The ... -
plus3e simple ide interface problemhi, I prepared a 8bit simple ide interface 3 days ago, but I got problems (with or without ide cable connected). 1.First of all, I have to press re…
... about I got 3 different z80 chip with defective M1 line ... I will start to search for replacement z80's.
Strange ... -
Batman crashes on MobileZXDear all, I'm one of the authors of MobileZX ([url]https://sourceforge.net/projects/mobilezx/[/url]) and find that Batman crashes within a few secon…
... on the Spectrum
z80.info would be a good ... to read up about the Z80's dark secrets! :smile:
search for this on WoS you ... -
Request: searching +3 titles in not-disk formatSee subject: i like to know all Spectrum +3 titles in the archive not released as disks, but as tapes (TAP, TZX or snapshots). I just can search in l…
... could be useful for my search.
If it's ... also add, in the advanced search result list, one new column ... TZX, as TAP or as Z80, without doing three different searches ... -
Data bus at interrupt timeIt is "well known" that some peripherals can put values other than 0xff on the data bus at interrupt time, thus meaning that IM2 is slightly more fid…
... supply an identifier when the Z80 expects one. However, since ... a predictable value: 255. The Z80 will therefore see a peripheral ... the peripheral ID is. With Sprite Pack, a good value to ... Y direction. As with most Z80 peripherals, the peripheral ID the ... -
Which tools did developers use to create classic Spectrum games?Does anybody know which tools developers used in classic Spectrum game development? I tried to search web, but unfortunately didn't find anything hel…
... development?
I tried to search web, but unfortunately didn't ... all the games strictly on Z80 assembler or maybe they used ... -
Which tools did developers use to create classic Spectrum games?Does anybody know which tools developers used in classic Spectrum game development? I tried to search web, but unfortunately didn't find anything hel…
... , Zeus Assembler and some custom sprite editors I wrote in Basic ... integrates an editor with a Z80 cross-assembler that can actually ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... according to what it does (sprite, scroll, keyboard, sound, etc). That ... place that is easy to search and doesn't have all ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... 's another register on the Z80, the stack pointer ('SP'). This ... draw a bit of the sprite, then POP DE to get ... -
Maya - .z80 snapshot = original release?[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0016713[/url] The loading screen raised a red flag, so I checked the BASIC listing and found t…
... there was a way to search for screens where the attributes ... the same ones used in .Z80 snapshot loaders and Multiface loaders ... -
The strangest things you find in pursuit of emulator writing...Whilst searching through a popular z80 website I stumbled across [URL="http://www.armory.com/%7Erstevew/Sex/HowTo.htm"]this[/URL], go figure...
... ]Whilst searching through a popular z80 website I stumbled across [URL ... the best excuse for a search I've heard! Still, I ... -
Earth Shaker - just remembered! Where 2 play?For ages I have been trying to remember a game akin to boulderdash that I enjoyed way back when. The rubber beermat finally answered my Q, with an i…
... .zip
EarthShaker(different).z80.zip
Does ... differences apart from the main sprite. Michael changed it cos the ... boulderdash. He changed the main sprite and sent it to YS ... -
Rasputin (AKA???)I just noticed this and thought it was silly ... well ... it's silly in my head ... then again, most things are ... silly in my head. [URL="http://w…
Well... my search task got results. I found ... /> I got the file, in Z80 format for 128k, from Planet ... -
Knight Lore remake for MSX2I have just found this and don't remember it being mentioned here so I am posting a link in case anyone is interested. It is a very highly polished r…
... Z80 isn't it? Probably a direct port with fancy hardware sprite ... -
New to developmentHello there my fellow forum chummies, I have recently been bitten once again to go into software development, its been a while. I have a lot of ski…
... C++ and some VERY rudementary z80 ASM. I have downloaded ... Spectrum software using ANSI C z80 compiler.
[/QUOTE]
... written by a somewhat inexperienced z80 programmer. This is mainly ... />
sp1 (a flicker free sprite engine) has been used for ... -
Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... demand
2) Back-port sprite code from BTS so we ... code. We can make the Z80 seem faster! I've always ... -
Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... demand
2) Back-port sprite code from BTS so we ... code. We can make the Z80 seem faster! I've always ... -
The Complete COBRA Disassembly (Joffa's!)Now that I've seen this thread about Skool Daze / Back to Skool disassemblies I've remembered I started an ambitious project quite a few years ago: …
... Z80 could push into the screen were pityless heading for my sprite ... -
Speccy vs C64: Enduro RacerJust seen a video of the commode version of Enduro Racer, what a pile of cack: [youtube]kZVNLX6OxwU[/youtube] Speccy version: [youtube]ouKg6LeXkD…
... used it, but that main sprite is just so nice and ... raw processing power of the Z80 vs 6810 chips start to ... was more of the same sprite layer trickery rather than full ... the performance. Plus things like sprite flicker & colour clash would ... -
Elite +3This is a patched version of ELITE that saves commander data on +3 disks (and +3e hard disks) and of course loads them back. Commander names can only…
... .
Again I didn't search the forum to see if ... see how you code in z80 assembly but I can tell ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... peripherals watch the iorq pin. z80 instructions that refer to memory ... in the HL register pair). z80 instructions that refer to i ... address 16384 and blocks the z80 from accessing it while it ... the display that comes with sprite hardware. The drawback is that ... -
R-Type III missingI was cheking the previous big update of WoS and saw a game called R-Type III, but now is gone from the archive, what did it happend? Cheers!
... of upgraded 8080 or downgraded Z80, with integrated sound subsystem, and ... slow on ZX with software sprite/background renderer.
Anyway ... -
using ic/chip holders ?advisable or not to put them in an original spectrum? I mean to save soldering in the future, if I'm gonna be having the machine fixed. I saw them …
... : eg. unsolder/place socket for Z80, test (power up + image on ... ).
That way you search area is limited in case ...
