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Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …
... give me full compatibility with Spectrum 128K software, without any additional internal ... External upgrade to ZX128 compatible memory is enable, but compatibility is ... internal modifications ! Enable ZX128kB compatible memory but videoram switching is impossible ... -
So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... />
Best Visuals - the Spectrum 128k (toastrack)
Best construction - the ... br /> 2x 128k +2 (need repairs memory / power)
1x Spectrum 128k +2e (needs ... tape-deck repair)
1x Spectrum 128k ... -
List of existing games that needs a port to zx spectrumPlease post here the games that exist in other platform(s) but does not exist in speccy. Please keep in mind this is not a to-do list, so don't hesti…
... the text into zx spectrums memory.[/QUOTE]
Each ... time (probably compressed) in a Spectrum 128K.
[QUOTE= ... of space quest on zx spectrum (using the latest proportional ... port to zx spectrum due to lack of memory and other bits ... -
Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…
... , as opposed to lots of memory-consuming diversity)[/QUOTE]
memory-consuming diversity is not really ... (or design it for the Spectrum 128K instead). Thus you don't ... -
Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…
... making this project interesting. Also memory-consuming diversity is not really ... (or design it for the Spectrum 128K instead). Thus you don't ... -
Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…
... for the Spectrum 128K. This way, there will be enough memory for storing ... -
Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…
... for the Spectrum 128K. This way, there will be enough memory for storing ... idea, then do an 'enhanced' 128k version. -
ZXMMC+ emulation added to Z80p48K emulator for the V6Z80p+Hi friends! As time ago I've posted a thread about an FPGA clone for the V6Z80p board, I'd like to give an update about the status of the project. …
... cycle exact but emulates the Spectrum 128K with the AY sound; for ... , then, this is enough; the Spectrum 128K emulator, also, enables the user ... startup sequence and the ResiDOS memory save/restore; this will be ... -
Thinking of making a "Wicker Man" text adventureI introduced my friend to the wonderful world of Speccy text adventures the other night, after she reminded me she liked D+D/MMORPGs; so we played an…
... and a message "Out of Memory"
Cheers,
catventure ... ]
It's a 128K game.
In Fuse ... select "Spectrum 128K".
You get the "out of memory" message if ... -
Amstrad anyone ?I grew with C64 and Speccy, and still use both, but I`m curious about the Amstrad CPC464. So, comparing it to the spectrum only, what is it like ? …
... but with a bit more memory in the base version (64K ... is the same as the 128K Speccy. The main thing it ... on, a version with 128K of memory and a disk drive.
Spectrum, although it could manage some ... -
Amstrad anyone ?I grew with C64 and Speccy, and still use both, but I`m curious about the Amstrad CPC464. So, comparing it to the spectrum only, what is it like ? …
... but with a bit more memory in the base version (64K ... is the same as the 128K Speccy. The main thing it ... on, a version with 128K of memory and a disk drive.
Spectrum, although it could manage some ... -
Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …
... offense, but discarding a Spectrum's lower 16K RAM as 'non- ... random accessible, readable & writable memory, and the Z80 doesn't ... is not RAM but virtual memory is not a complex topic ... . :)[/QUOTE]
Virtual memory can be made as simple ... -
Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... /> With all the lower RAM missing, a "working" Spectrum shows a screen ... the ULA, in absence of lower memory, "reads" the CPU bus ... />
So, in absence of lower RAM, shorting C27 and leaving ... seen some schematics about replacinig lower DRAM with SRAM at the ... -
What was the best Designed Speccy???So what does the World Of Spectrum think the best Designed Spectrum was? [URL=http://imageshack.us/photo/my-images/845/thespectrums.jpg/][IMG]http:…
... Spectrum 128k[/U]
Added a cheap sound chip, and increased memory ... this was 1986 and 128k of memory in 1986 cost substantially ... you could buy [B]128k[/B] of memory for ~$40-$50, ... released their version of the 128k Spectrum, they dropped the price ... -
Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
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[QUOTE=kamilb1998;601859]
Lower memory bank;
IC6 pin 1 ... ULA is /CAS for the lower RAM and attaching a voltmeter ... last measured it on a Spectrum. It certainly can vary quite ... the power supply from the lower RAM, either by cutting the ... -
New project: CargandoLeches. Ultraloads with ROMHi This project has started months ago, between decicoder, macleod and me. Uses the best modulation of k7zx (throwing shavings). But this ultraloa…
... paging that allows RAM in lower memory (so it works by emulating ... is usable on all ZX Spectrum models, need only DivIDE interface ... page in external DIVIDE PLUS memory 512kB.
If you need ... -
48k Speccy chucks a wobblerI've got a problem with my rubber keyed 48k speccy. When it is first switched on everything is fine but after a couple of minutes the picture on scr…
... if the contents of lower memory are becoming corrupted. Once ... if you turn the Spectrum off and on ... problem could be the lower RAM ICs themselves, though ... these voltages as the Spectrum warms up and ideally ... consequently the lower RAM too. If this Spectrum still ... -
Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... , this ROM doesn't use lower memory at all (except for image ... ) so I can boot a Spectrum with lower RAM bad chips. System ... -
Release date of ZX modelsWhat is release date of other ZX models ? ?. ?.1980 ZX 80 5. 3.1981 ZX 81 23. 4.1982 ZX Spectrum (rubber speccy) ?. 6.1984 ZX Spectrum + ?.…
... the pcb truncated (missing the lower right part completely and the ... just a modified Sinclair's Spectrum 128K in a new case with ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... the border) as used in Spectrum 128K with "early timing"
... to an "early timing" Spectrum 128K)
[*] SpecEmu is ... have correct timing for memory contention but wrong timing ... thus memory access would behave according to "early timing" Spectrum + ... -
Scrolling a mapCan someone explain in idiots terms how you scroll a map. I'm not after code as such, just an explanation of how it can be done. I'd like to scroll…
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Define a chunk of memory to hold a working screen ... trying to match the Spectrum's screen memory layout.
Then ... the hidden screen on a 128K and just page it into ... -
My Issue 2 spectrum"IT'S ALIVE!!!!!" - Dr Frankenstein I got my issue 2 spectrum up and running, colours and all. I borrowed socketed lower ram from my issue 3 that is…
... nice picture out from the spectrum with the right colours.
spectrum, but it was fun project ... /> As soon as I get lower memory modules from Bverstee, I will ... soon I will have a Spectrum 48k+ to repair as well ... -
ULA TEST 3 results on real hardwareHi guys, I'm writing small spectrum emulator and I wanna implement precise emulation for different spectrum models :-) I found nice test for conten…
... for contended memory was passed successfully for 48 and 128K ULA. Both ... any screenshot from real ZX Spectrum 128, but I hope my ... 't work on a ZX Spectrum 128K. Now I've tried the ... works on both 48K and 128K.
I've tried ... -
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 original Mac only had 128K of RAM to play with ... the layout of the Spectrum screen in memory I could not see ... -
No video in Spectrum 128k +2A Grey[B][COLOR="red"]EDIT: 26-05-2012 = Thread topic edited[/COLOR][/B] Hi everyone, Recently i won a Spectrum 128k +2A Grey at ebay UK. The Spectrum …
... of mine borrow me a spectrum 128k +2a (with the same ... my spectrum all the combination chips avaliable.
Try memory, cpu ... no way to turn my spectrum working, same issues, sometimes ... border flashing and surprisely my spectrum now show the same thing ... -
4116 replaced by 4164 - "Noisy" paper?After I replaced my 4116's with 4164's and hooked them up to +5V, disconnected -5V and +12V, I have what looks like vertical lines in the paper, like…
... do with the way the Spectrum separates the two halves of ... output impedance of the 4164 memory compared to the 4116. Similar ... is sufficiently low (or upper memory's output impedance is sufficiently ... will cause CPU writes to lower memory and the ULA fail (and ... -
Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…
... repair the lower memory and then use the upgrade to 128K (make it ... />
Any links to what 128k software works with this upgrade ... -
ZX-Paintbrush 2.2.1 releasedDear readers and friends of ZX-Spectrum emulator stuff! Today I released the version 2.2.1 of ZX-Paintbrush with interesting new features and many b…
... works very nice for ZX-Spectrum 48k. Unfortunately it seems to ... bad effect on the ZX-Spectrum 128k, as after loading the program ... problem on machines with less memory. But it could be considerable ... -
Moar TR-DOS to tape conversions!I have posted three lame disk-to-tape conversions through snapshotting before, now (I guess) it's time to bring the rest of my complete collection he…
... dl.dropbox.com/u/95941449/Spectrum%20TZX/Barbarian%20-%20128K% ... sadly, it works only under 128K of memory. In English.
[B ... dl.dropbox.com/u/95941449/Spectrum%20TZX/Buratino%27s%20Adventures% ... dl.dropbox.com/u/95941449/Spectrum%20TZX/Untouched%20by%20Human% ...
