-
Question about 2-channel beeper musicI confess I haven't tried all the available beeper utilities and software. I always found music software confusing and trackers are not for me. I kno…
... machine-code, multi-channel sound on the 48K spectrum beeper is ... chart of Z80 instruction T-states to hand as every T-state is critical in ... playing multi-bit sound samples on the beeper and after many ... final version cycled the beeper every 84 T-states (12 low, ... -
MAME in spectrum emulationHey to all Does anyone use MAME as a emulator port for any Speccy HW? I was so far away from MAME developments I forgot they merged with MESS whic…
... on every T-state) it may impact performance in a way that is unacceptable to ... machine that nothing really relies on (or that is perhaps ... are any emulator authors keen to be less compatible, but ... as was, rather than to change their implementation and upset ... -
Ensure my interrupt handler begins at the same T-stateHi! Is there a way to ensure that an IM 2 interrupt handler starts always at the same T-state (related to the moment the ULA triggers the INT line, w…
... ! Is there a way to ensure that an IM 2 ... always at the same T-state (related to the moment the ULA ... made my routine to last a number of T-states which ... instructions, with some instructions to check for a key press ... ,20,21,22 and so on.
For testing ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... if you build some electronics to the same specification that emulator ... T-state after byte 4. A total of 6 contended T-states in every ... that T-state is contended by the memory contention!!)
The design on ... -
Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…
... contention pattern' is in effect. This is cyclic, repeating every 8 T ... states. The easiest way for me to think ... contention pattern, and the Y axis represents the delay applied on that T state ... 'drift' relative to the 8T-cyclic contention pattern. A ... -
Downloading games to play on a ZX SpectrumThis might sound strange but I've just got a ZX Spectrum and was wondering whether you could download files to play on it. My idea was to get MP3 fi…
... whether you could download files to play on it.
... My idea was to get MP3 files, press to ... a CD, connect headphone socket to spectrum and load ... this possible? Don't particulaly want to play them on a PC emulator ... -
Getting a DISCiPLE/+D to work on a +2A/+3?Does anyone know how compatible the two interfaces could be made with the +2A/+3? I remember that there were a couple of POKEs that could get a +D t…
... that could get a +D to work on a +2A (they were ... listed on a bit of paper that ... "Datel" days) but I can't find the numbers. Can anyone ... that allowed the +D to work properly on a +3...
How did you learn to code on the Spectrum?Got to be honest, as much as I wish I did, I don't know anything about programming. I had a Spectrum (+2 and then +2B) when I was a kid, and my prog…
... this was the limits to programming on the Spectrum, but I ... years on a few occasions to read up on these guides on how to code ... , but I can't ... Mastering Machine Code on your ZX Spectrum. Needless to say, it' ...Fuse bug? Strange T state countingI was testing delay routine presented [URL="http://www.worldofspectrum.org/forums/showthread.php?p=214851"]here[/URL]. I'm reproducing its listing: …
... delay is 141 T. I made following program to test this:
T-state counter showed a difference of ... nc' instruction takes 18 T (instead 11 T) to be executed. After this ... simply execute a clean USR to "SCF + RET NC" or "RET ...Suggestions for general improvement of InfoseekInfoseek is a great tool/resource. I would like to humbly suggest some general improvements to the interface: 1, When viewing a page such as [url]ht…
... want WoS to run on every single browser (and I happen to like minimalism ... browsers that don't support it can continue to do what ... a text-to-speech browser wouldn't be able to do anything meaningful ... that this subject has come up in response to a suggestion ...Writing an emulator - how to / resourcesI'm looking for a holidays project, and I'm thinking I'd like to write a simple Spectrum emulator. I've googled plenty and read some resources, but …
... series of switch statements based on [url]http://www.z80. ... based on the same decoding algorithm, but will run a state- ... it doesn't have to re-do the instruction decode every T-state).
... Of course, if you don't care ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... border colour to be updated once in every 8 pixels ... updates the border colour on screen as soon as ... this clone, to change the border colour on a pixel ... me to decide at which T-state I want to perform ...
This test, executed on a genuine Spectrum, shows that ...Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... recent results for running btime on a Pentagon are available here ... reads memory whenever it wants to;
2. "ULA" attempts ... byte from the attributes every t-state (one byte per t-state, interleaved, i.e ... there was a floating bus on Pentagon ("port #FF" was ...Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... which suffered from INT misalign on Pentagon? Or that their ... reads memory whenever it wants to;
2. "ULA" attempts ... byte from the attributes every t-state (one byte per t-state, interleaved, i.e ... anything else. There doesn't seem to be any logic which ...GAMES I'D LOVE TO SEE ON THE SPECTRUM.....What more modern games from other formats would you love to see on the Speccy...? I'm talking games that could be converted, and would be possible t…
... other formats would you love to see on the Speccy...? I'm ... converted, and would be possible to do competently (I'm not ...Best games to play on a real speccy rather than emulator?What would be the best games to play on a real 128k speccy rather than on emulation? I have just been playing R-TYPE on my +2 which was excellent!!!…
What would be the best games to play on a real 128k speccy rather than on emulation?
I have just been playing R-TYPE on my +2 which was excellent!!!!
What others would you lot recommend???Recommend me games to play on PocketPcMy brother has bought a PocketPc with GPS and those things. I took 5 seconds to install an Speccy emulator with FlyingShark and Zynaps ;) well, I f…
... things. I took 5 seconds to install an Speccy emulator with ... , I find extremely hard to play on PocketPc, these games require fast ... other games that play good on PocketPc??Postman not allowed to knock on doorI buy stuff online more than going to actual shops and recently bought a few dvds of someone. I knew that all 6 dvds would be in the one package and …
... online more than going to actual shops and recently ... the postman hadnt knocked on the door. Anyway a ... office to complain about the postman not knocking on the ... who is "NOT" allowed to knock on the door. Is it ... was edited by: festershinetop on 2005-11-02 16:53 ...couple of issues help please!First of all sorry if i sound like a complete N00bulator. I'm not acquainted with the etiquette of this forum yet and don't want to occur the wrath o…
... forum yet and don't want to occur the wrath ... cynical one that seems to exist on every board waiting for ... new meat to taunt.
... of issues playing speccy games on my PC (XP).
on the old speccy.
New Spectrum Game - WorldBar -ARCADE VERSIONEveryone is announcing their new games, so here is mine: [B]WorldBar, the Arcade version![/B] The rules are the same as in the boardgame version …
... the boardgame you had to score
on every guest placed (also a ... score on bar).
in the arcade version you don't need to ...
(or can't be seated later due to placing a guest ...
Due to the total concept I can't show you a ...Your chance to feature on Classic Games Crusader DVD & entry to VIP launch party!EMI is releasing a commercial retro DVD in February 2009. Presented by games enthusiast Iain Lee and created by production house Phoenix Film & Telev…
... unique ?Director?s Commentaries? on certain hit games. Iain and ... then contact Phoenix Producer Anthony on [email]anthonyc@phoenixmedia.co. ... ll be invited to London (expenses paid) to feature on the DVD giving ... name on the DVD. They will also get an invite to ...Diary of an Englishman in ScotlandOld but funny....... 20th DECEMBER The first snow we have seen in many years. My wife and me sat in the porch with our hot toddies watching the fluf…
... Still cold. Snow tyres didn't do any good. She slid ... tree or bush on our property that hasn't been damaged. ... down. Have to put on every item of clothing just to go to the shop ... with my shovel. Can't feel my f*cking toes ... , haven't seen the sun for 4 ...DivIDE possible to switch on/off NMI line?Is it possible to switch on or off the NMI line? Micky
Is it possible to switch on or off the NMI line?
MickyRelocating a block of code as to work on a 16k spectrumI've written a game in from 50000 to 65535 and was wondering if there were any way to relocate the entire block of code to work on a 16k Spectrum. I…
... a game in from 50000 to 65535 and was wondering if ... the entire block of code to work on a 16k Spectrum.
Adding games to Spectaculator on un-jailbroken ipadI have just found that you can manually add games to Spectaculator on an un-jailbroken iPad, but, just wanted to check if this is classed as 'hacking…
I have just found that you can manually add games to Spectaculator on an un-jailbroken iPad, but, just wanted to check if this is classed as 'hacking' before I post on how to do it?Bands you would to see on X-FactorWhat bands would you like to see on the next series of X-Factor? My choices: Napalm Death: [YouTube]mlmYTbdpd2I[/YouTube] ... They should of hire…
What bands would you like to see on the next series of X ... should of hired Susan Boyle on backing vocals.
Old ... so bloody long warming up to play there set that I ... went to the pub instead.
How to download games to micro sd card to play on Sinclair zx spectrum vegaHello Could anyone tell me how to download games from a website to a micro sd card to play on a Sinclair zx spectrum vega , I mean do I use a emulat…
... to download games from a website to a micro sd card to play on ... done. Can I do it on a iPad or a small ...Average age of a Spectrum fanHi! I'm wondering what's the average age of us, readers of this forum. I'm 29 and started playing and programming on the Spectrum when I was 13 (infl…
... above and am too ashamed to admit it again.
...
I don;t think I would be in ... now if it wasn't for mucking around in ... computer hardly powerful enough to warm the bread in ...
i used to leave on every computer in every computer store I went ...
