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Sonic on the speccyHELLO!!! :) Does anybody have any info on the Sonic game thats supposed to be released. Last I heard there was talks with Sega about releasing it.
... - I've seen the Doom demo on the Speccy 128 after all. -
Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
... no real reason why the ULA would apply a single cycle ... bug in the +2A/+3 ULA, and whether this possibly extends ... . Anything else breaks the Shock demo.
Weren't these ... -
Lots of Speccy games / hardware for saleGot a lot of tapes/unboxed tapes, hardware for sale (not sure what all the hardware is !) Any ideas on a rough price for it all ? Also any help iden…
... /> Your Sinclair tape - Viz playable Demo with inlay
Select 1 ...
Daley Thompsons Super test 128
Superkid - Budget re-release ... -
Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…
... designing and developing the Spectrum 128 to create a super-cheap ... /> - Kempston interface built-in.
- ULA developed by Texas Instruments (not ... -
Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…
... of designing the ZX Spectrum 128. They claimed that as they ... developed the 128 hand to hand with Sinclair ... be easily modified. Also, the ULA was vastly enhaced, and developed ... which is divided for the ULA and the CPU.
Challenge II: Warcraft: Orcs vs. Humans on the speccyThis should be challenging!
... it!!!
game map 128*128 tiles.
50 units on ... />
wait for game engine demo on [url="http://hds.ncn ...Necessary +2A ROMsA +3 has 4 roms: Menu/Editor Syntax Checker +3DOS 48k BASIC I understand that a +2A is identical to a +3 but without a disk drive. It also uses …
... is not present in normal 128's (and grey +2). With ... get the dreadfull "rain" (or "ula snow" as some call it ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... tried changing your Z80 or ULA or anything? Either of those ... know why my Spectrum 128+ has an AMSTRAD ULA...? How long did ... Amstrad make Spectrum 128+s for ...Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.
... some multicolour /strict timing 128K demo then.
[quote ... machine than either the Spectrum 128 or the Pentagon. (For ... either the Timex or the 128 addressing.
[/quote]
... clone wishlist:
- 128/pentagon timings (selected by some ...Some thoughts about emulationWhile discussing about 'real tape loaders' I just thinked about wat is total emulation (most complete, perfect). Some authors prefer for example loa…
... than emulating a simple z80/ULA combination.
You have ... exercise?
Highly accurate ULA/z80 interaction is needed to ... the effects that games and demo programmers created, but nobody used ...JON NORTHHi Jon, i just followed the last thread with some interest. I used to send you hacks years ago and got a few published in YS!! I can only say dont g…
... one that worked on a 128 and was better than mine ... tapes (bar the XLR-8 demo) so there should be some ...SoftRom emulation possible?Hello. Quick question to all emulator developers: How easy would it be to emulate a SoftRom? The mastering utilites for my protection system XLR-8 a…
... is trying to convert my demo of it to TZX, and ... with page switching on a 128 machine but it was never ...The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …
... to include the Timex SCLD (ULA) in the portable Speccy. This ... left it out of the 128.
[/quote]
I ... on the radar when the 128 came out. A former Timex ... cars and the Z88. The 128 was mainly designed in Spain ...The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …
... natural extension to the ULA that can be done ... much hassle. The original ULA fetches two bytes per memory ... that without changing the ULA core much at all ... video from the existing ULA would come up with ... a missed opportunity for the 128...
So ...Faulty 128Need some help here. I've got a 128+ that won't boot to the menu. It just displays a load of rubbish on the screen. Here's an example of what it does…
You could enter that picture for next years turner prize. With the 25000 quid you could buy a load of 128+'s
Seriously though it looks like bad ram or a fried ula to me.Sound mod for AY audio chipsHi again. This is a repost. I posted it in the misc forum a while back but it definitely should be in here. I was totally pissed off with the crap…
No idead about that, I would guess the 128 & 2 ULA is different from the 48k, though the pinouts might be the same.Sound mod for AY audio chipsHi again. This is a repost. I posted it in the misc forum a while back but it definitely should be in here. I was totally pissed off with the crap…
... has a different ULA, this is only for the 128 and above ...my demos on WOS?Hi all speccy guys! That's me - Hacker Chris. I've just found this wonderful page! It seems that not all of my poor demos are archived here. It would…
... 89 +
22.mirage1 128 28.04.89 +
... br /> 26.drum warriors 128 27.05.89
... 89 +
31.map demo 128 03.11.89 +
... 32.christams 128 24.12.89
... 90
37.minixmas2 128 18.12.90 +
... 38.pangshow 128 18.07.91 +
...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... port.
On the 128 and +2, memory is entirely ... processor shares them with the ULA. This reduces the speed of ... typical bank switch on the 128 is:
LD A,(5B5Ch ...ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... (Timex screen modes in the 128's shadow screen area)?[/QUOTE ... screens". You can tell the "ULA" to generate the TV picture ...ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... b2 b1 xx - Page where ULA fetches
video data from ... terribly difficult to accommodate both 128 and Timex paging -- if it ... 's a 128 register that was written to ... from the page number for 128 banks of 16k (or 8k ...Egghead 4 available to downloadFollowing his adventure in space, Egghead is today Entertaining a guest. Yes, Shelley is coming to tea and it's up to Egghead to get the food on the…
... - and probably original 128 (when loaded in 128 mode with music) you ... get the before mentioned ULA Snow ... fine with music on other 128 spectrums (+2A/+3/Pentagon/etc ... is the +2A with normal 128 ROM in both sockets :)
+3 soundhello there, just a quick-fire question today. i'm kinda keen on the idea of using my +3 quite a bit, particularly if i bother to to actually sort …
... .php?id=2741]Interlace[/url] demo (but ignoring the circuit itself ... tried this on an original 128. I remember reading somewhere that ...new spectrumI have notices all sorts of advances on the C64 sceene such as 20mhz cpus, gui`s, and IDE interfaces. are they any kind of advances in development fo…
... options), 27K visable by the ULA instead of the usual 6 ... port, AY sound chip (on 128 and Timex ports).[/quote]
NTSC for Speccy? What would happen?Hi doods. I was just reading a bit there about the TEA2000 video encoder. I'm just talking theory here. What would happen if you... Cut pins 12 an…
... (if such thing like NTSC 128 ULA exists at all)
2 changes in ULA: 30 pics instead 25 pics ... per sec.
For 48K ULA it would need different V ...NTSC for Speccy? What would happen?Hi doods. I was just reading a bit there about the TEA2000 video encoder. I'm just talking theory here. What would happen if you... Cut pins 12 an…
... =aowen]... However I believe the ULA in the original Spectrum 48 ... help to 128 owners).[/QUOTE]
Hardly. 48K ULA performs PAL ...+3 soundhello there, just a quick-fire question today. i'm kinda keen on the idea of using my +3 quite a bit, particularly if i bother to to actually sort …
... />
I would leave the ULA connection for the moment. Its ... 28 is for the Speccy 128 (please let me know if ... one of the docs). The ULA connection on the +3 is ...did 128k machines dominate ZX market?I have a question about 128k Spectrums. Did they dominate the ZX market in late 80's / early 90's? I mean where there more 128k users than 48k users …
... should therefore be classed 48/128, but indeed some didn't ... as 48K. There's a demo with the same name, from ...The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... Model, and it then says 128 is 48k+ in the status ... . This is regardless of whether ULA snow effect is enabled or ...
