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New Game: Tourmaline[img]http://www.retrosouls.net/zx/trml1.jpg[/img] Dive into caves full of crystals and enemies! Be like a rock star! [img]http://www.retrosoul…
[quote="R-Tape;864008"]Ta. Great game, music, graphics (not tempted by bicolour for this one?).
[/quote] Thanks! Nirvana scroll will be slow and complex. I need 2 Nirvanas in memory to hide redraw and second screen from 128k machines. -
I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…
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Basic allows to limit memory usage by using clear, so ... probably need to swap entire lower memory contents to make it work ... to be able to run 2 basic applications simultaneously.
AY volume on original 128k & grey +2 machines questionI loaded up Rick Dangerous tonight on my original grey +2 which reminded me of something that I've been meaning to ask for ages. Why do some games…
... AY chip on the original 128k (and grey +2 which uses the same ...What to buy +2, +2A, +2B, +3??Hi all I've always wanted to buy a 128k Spectrum and I've seen some lately in eBay going for cheap. The 128K+ is expensive I understand because of…
... a grey +2. They grey one is the closest internally to the 128k toastrack ...
One thing about the grey +2 though, the issue 3 board ... though (search this forum for '+2 Grey versions')
I was ... lucky that my +2 grey is a model which is ...Skate Crazy on grey +2I've downloaded "Skate Crazy" from WoS, recorded it on a real tape and tried to load to my grey Spectrum+2. Game (both parts) works only in 48k mode.…
... box release on my real +2 (grey case).
... after the controls and 1/2 player selection menu - ... related to the excellent 128k music, as the 48k ... is exactly the same (128k is also multi-load) ... to POKE the game for 128k users without Multifaces?
...Are there any differencies between Speccies in different countries?I am asking for differencies of ordinary Speccies, not clones. Can I travel to foreign country, buy Speccy from fleamarket and except it will run at …
See below, +2 is grey (the top), +2A/B is ... properly. I would go for 128k or +2 (grey). Internally both are nearly ...Are there any differencies between Speccies in different countries?I am asking for differencies of ordinary Speccies, not clones. Can I travel to foreign country, buy Speccy from fleamarket and except it will run at …
... , that would also apply to 128k+ and +2 grey in comparison to +2B?Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…
... put me off, but JustSpeccy 128K or Chrome sounds good.
128K, Spectrum +2 Grey, Spectrum +2 Black, Spectrum +3, Recreated ...Purchasing Advice for an ignorant AmericanHello, I am a retro computer enthusiast who lives in the United States. I am currently looking into importing a model from the UK, and would like whi…
... br /> [*] ZX Spectrum+2 - also known as the grey, due to the ... dark grey case. Amstrad's version of the ZX Spectrum+ 128k. Has ... looks very similar to the grey +2. A redesigned computer using different ... 1.4A PSU. The 128k and +2 grey using more powerful 9V DC ...128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... the underlying reason for the memory contention.
... sinclair/technical-docs/ZXSpectrum128K_TechnicalManual.pdf]128K Technical Service Manual[/url] ... in banks 0 & 2 it would seem logical to ... /+3 machines. For the 128K/+2 machines banks 4 or 6 ...128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... you need to distinguish between 128K/+2 from +2a/+2b/+3 is ... does not require filling two memory pages with nonsense. Note that ... contains the number of required memory page (0..7)
; A ... over what goes into contended memory and what goes into uncontended ...Repair ZX Spectrum +2 black issue 1Hi all, after a long time i will try to repair a ZX Spectrum +2 black i found the last days i know for sure that CPU is damaged (already repla…
... when trying repairing my +2 grey (really help me back ... it on the +black 2 to test fualty rams ics ... test rom chip? +2black has 2 roms ics)
... will +2 black will work with some ... with less memory? i think this can happen on the +2 greyROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... Spectrum 128 "toastrack" or a +2 (grey), (because the +2A, +2B and ... to respond at the Z80 memory cycle timing. Using the Z80 ...Input command in 128K BASICHi, Is the input command different between 48K BASIC and 128K BASIC? I'm typing in a missing listing from the TypeFantasic and using 128K BASIC…
... different between 48K BASIC and 128K BASIC?"
There shouldn ... , since boths versions of 128K BASIC (Toasty/+2 Grey vs. +2A/+3) used ... .
In fact, all the 128K machines use calls to the ...Spectrum Cables : How many individual types of these are there "out there" both past and now?So this is all about giving the SPECTRUM cables their correct cable titles to aid IDENTIFICATION OF CABLE TYPE and FUNCTION across the world.. An e…
... 1 to plug pin 1, 2 to 2 etc.).
Why, well ... " joystick with a Amstrad made 128k Spectrum (+2 grey, +2A, +2B, +3, +3B ...Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…
... Tester[/b] - now tests 128k and Grey +2
http://www.fruitcake.plus ...Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
... " is causing the strongest interference, "2" slightly lower, "3" barely noticeable,"4 ... ") there are thin black/dark grey vertical bars appearing on the ...+2 grey booting in 48k modeI have been doing some research here after reading in spanish magazine microhobby a modification that allows the +2 to boot straight into 48k mode: …
... to the ROM on the +2 grey (or 128k toastrack) and you control ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... 48K (and I presume the 128K/+2) machines. This may explain why ... a HALT in the contended memory area, which works more or ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... . Of course, port contention (and memory contention if such instructions are ... behavior, nor the “standard” 48K/128K/+2 behavior should lend itself to ...Spectrum 128k +2 video issueHi Guys, I just got a Spectrum 128k +2 from ebay. It came with its power supply and the scart video cable. The machine is working pretty good but …
I cannot test through RF because there is no RF box with this machine. It is the Grey 128k +2 with the RGB scart cable.Burning a ROM for a 128k +2 (Grey)Hi Guys, I would like to change the 128k +2 menus I have actually in French with English. The OS is in a 27C256 eprom. I do have a programmer and …
... the pound symbol on the +2 grey :-)
Ok so thanks for ... a 32k rom for the 128k +2 (from the Speccy emulator) so ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... behaves differently from the 48K/128K/+2. The key differences are listed ... 5, 9, 13 . . . 4093)
2. The bus always returns $FF ... was last read from contended memory (usually, the last attribute byte ... the case on the 48K/128K/+2.
That’s the ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... was last read from contended memory (usually, the last attribute byte ... /128K/+2.
[/quote]
5. Reading and writing from/to slow memory ... the last operation with slow memory (pages 4,5,67) by ...Chibi Akumas - Spectrum Port Planned!I'm planning to port my CPC game, Chibi Akumas to the ZX Spectrum! I will be targeting the 128k disk based systems - as this will be the best (and mo…
... , I'm picking up a +2 (grey) and +3 when I head ... a simple asm 'load to memory from filename' for the TRD ...ZX Spectrum 48k PSU Vs ZX Spectrum 128k PSUHi Guys, A very straightforward and simple question :-). I am buying next days a ZX Spectrum 128k without PSU. I own already a ZX Spectrum 48k and I…
Ok it is solved then as I do have also a +2 Grey with original power supply :-D. So I will use it to power the 128k ;-). Thanks!ZX Spectrum keyboards : all and everything about them and how can the Speccy keyboard be improved? This discussion can include of all the main types of Spectrum keyboard from the past (inc addon / aftermarket) , their strengths and weaknesses , …
... Spectrum 128k (waiting for me to fix it)
[*]ZX Spectrum+2 (grey ...Detecting +3 / +2AWhat's a simple but reliable way to detect if code is running on a +2A/+3? My first though was to try switching to ROM2 and then checking for the …
... 's a difference in the memory contention pattern that it may ... working, tweaked the timing for 128K/+2, then found the +2A/+3 ... memory on a 48K and 128K both restrict a memory read / write to 2 ... function that writes to contended memory with alternate gaps of 7 ...Detecting +3 / +2AWhat's a simple but reliable way to detect if code is running on a +2A/+3? My first though was to try switching to ROM2 and then checking for the …
First it does some contended memory writing, counting as it goes. ... speeds of the 48K and 128K, and something with no contention ... tell if it's a 128K/+2 or +2A/+3.
Got Myself a 128K “Toast Rack”! (Plus a simple audio fix guide.)I got myself a 128K Spectrum off of eBay the other day. It’s in pretty good nick, but the membrane went the way of the dodo sometime during shipping …
... ago, left only with a grey +2[/quote]
Well, for all ... would have gone for a +2, but since I already had ... . The RGB cable for the 128K/+2 is a little more fiddly ...
