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SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…
... vertical resolutions. In fact, a total of 32 different attribute modes ... to the Spectrum?s video RAM, with the active display mode ... -
ZX81 + 16K RAM PackUp for sale is a ZX81 packaged with power adapter, aerial cable, ear/mic cable and 16K RAM Pack. I hooked it up to the tv and although the power sup…
... , ear/mic cable and 16K RAM Pack.
I hooked ... unable to test the 16K RAM Pack.
ZX81 + Power ... [/IMG]
Complete 16K RAM Pack:
[IMG]http://i629 ... -
16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…
... based replacement for the lower RAM that works in all 16K ... the column address to the RAM and so there isn't ... that appear on the lower RAM address lines. In particular, in ... is the ZX Spectrum Lower RAM Replacement Module, pictured below:
'Total Recall' demo uses wrong screen in thumbnailThe screen sample here for the tape that contains the scrapped version of 'Total Recall' uses a screen from the released version of the game. This sh…
... contains the scrapped version of 'Total Recall' uses a screen from ...4116 Ceramic Ram ChipsHi all, I have a few 4116 Ceramic Ram Chips to sell. If you have any interest, please PM. Greetings, Retrorepair
Hi all,
I have a few 4116 Ceramic Ram Chips to sell.
If you have any interest, please PM.
Greetings,
RetrorepairAnyone got any 4146 RAM chips?Hi I'm looking for some 4164 RAM chips, as would be fitted to a 128k Spectrum (+, +2, +3 I think they all use the same memory). Not out of a 48k mac…
... 'm looking for some 4164 RAM chips, as would be fitted ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... an address (if referencing free RAM). Any string names can ... two different segments of free RAM). Although the routine will ... COPY string to RAM or RAM to string or RAM to RAM
GO ... or destin location if in RAM;
b$=source string expression ...ZX Spectrum upper RAM module (4532/4164 replacement)Following the [URL="http://zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have been quite a lot of requests for something similar for th…
... zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have ... zx.zigg.net/LRR/"]lower RAM replacement module page[/URL] and ... trailing wires, so the upper RAM module uses almost the same ... as the lower RAM replacement and emulates dynamic RAM.
...Rubber Key RAM - Repair?Hello there everyone! I'm a long-time lurker on here - ROMs, documentation etc. but yesterday I finally ponied up for my own speccy, just like the on…
... />
I carried out the RAM test I found elsewhere on ...Super Wonder Boy Encoding Scheme MisclassificationThe original Activision release of [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0005053"]Super Wonder Boy[/URL] is listed as having an Enco…
... Start=16384, Length= 6144, RAM page=16
--> ... Start=32768, Length= 768, RAM page=16
--> ... Start=37548, Length= 7936, RAM page=16
--> ... RAM page=16
Block 4 => Block End - Total ...Upper RAM replacement module issues with the DivideI got my new upper ram replacement module from Zorn yesterday and seem to be having some issues. When the machine is without the Divide it boots up …
I got my new upper ram replacement module from Zorn ... manages to boot, the ram passes the memory test i ... When I put the upper ram chips back in place, ... br />
The upper ram are not on the "OKI ... attempts DMA to the upper RAM and uses unusual timings ...Replacement Spectrum +3 RAM ChipsHi all Bought a +3 last week with a RAM issue, so I have removed the old chips, added sockets and now just need a full set of chips to get her back…
... +3 last week with a RAM issue, so I have removed ...Total Recall (128K), Lemmings & Gunship (disk)Hi there. Greetings from Finland. I have some Spectrum games for sale: [B] Total Recall [/B](128K version, manual, box and cassette) ?8 [B]Lemming…
... for sale:
[B]
Total Recall [/B](128K version, manual ... costs:[/B]
?3 Total Recall
?3 Lemmings
POKEs on 128K "upper RAM"?I've been working lately with some 128k games, and I've got this question about RAM in games. I guess most games use RAM pages 5 and 2 to store the …
... 've got this question about RAM in games.
I ... guess most games use RAM pages 5 and 2 to ... the main program, and other RAM pages are used to store ... that needs POKEs placed in RAM pages 1, 3, 4, 6 ...Pink Floyd 'Total Eclipse' 4CD box-setChaps I'm in the process of clearing out some bits and bobs and have come across a rare unofficial 4CD set 'Total Eclipse' featuring a host of rare …
... a rare unofficial 4CD set 'Total Eclipse' featuring a host of ... .com/forums/f90/pink-floyd-total-eclipse-a-retrospective-1967-1993 ...Video failureHi i cant find the failure of my spectrum 48k issue 4a, i thought it was ic6 or ic13 but the memory seem to have the right values. When i turn it on…
Hi
i cant find the failure of my spectrum 48k issue 4a, i thought it was ic6 or ic13 but the memory seem to have the right values. When i turn it on it shows:
[IMG]http://t.imgbox.com/adxOE1D0.jpg[/IMG]
any ideas, what could be?Repalce 4164 RAM by 41464Dear all, I have some amount of 41464 DRAM from old PC VGA card which are useless at the moment. I think to keep them as a spare for the upper 32k R…
MISTER BEEP - the NEW ZX48 album 2014 "Chromospheric Flares"Hi mates. So. Here it is. Something like 2 years after the previous one - here is my new ZX Spectrum album "Chromospheric Flares". [img]http://mi…
... /> Timex Computer 2048 (48K of RAM).
Tracklist:
01 ... . United and Victorious
Total Time - 36:17 min.
DIY Issue 1 Internal 32K RAM expansionFollowing on from the information in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40173"]this[/URL] thread, I finally figured this ou…
... of the Issue 1 internal RAM module.
The pinouts ... when the top 32K of RAM is addressed. Here's a ... the machine saw 48K of RAM, verified with PRINT PEEK 23733 ... machine is seeing 48K of RAM now and that there were ...Buying ram for W7It's been a long time since I bought any ram for a PC (I think I bought a few DIMMs when they first appeared) so I thought I'd ask here to make sure …
... time since I bought any ram for a PC (I think ... /components/memory-pc/ddr2pc2-6400800mhz/ram-804gk.html"]these DDR2 DIMMs ...From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... question is related to "quick RAM copy using LET in Basic ... buffer".
- A zone of RAM with 160 bytes corresponding to ... that stores the v$ dim RAM position.
When ... readed from RAMPEEK v$ dir RAM...
[INDENT]POKE dir,byte ...ZX81 internal RAM upgrade?It's only a matter of time before I kill my ZX81 due to this slack ram pack :( Is there a tutorial available that will allow me to upgrade my RAM to…
It's only a matter of time before I kill my ZX81 due to this slack ram pack :(
Is there a tutorial available that will allow me to upgrade my RAM to 32k or maybe even more?HDMI generation by cloning video ram(coming from [url]http://www.worldofspectrum.org/forums/showthread.php?p=768257&posted=1#post768257[/url]). A thing I was brainstorming about.. Why …
... /microcontroller respond to any video ram change in the ZX Spectrum ... /> No analog circuits, no video ram reading and contention problems.
ram, with HDMI output...
Simple Question! RAM InterfaceI was messing around on my spectrum yesterday and blew it up! Im sure it has to do with the RAM joystick interface I bought but hadn't tested. Is the…
... has to do with the RAM joystick interface I bought but ...Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... But since this is in RAM we can later redirect ... best "safest" address in RAM for such a table?< ... (incl. Speccy) do a RAM test
at startup. ... table before
the RAM test / it will get overwriten ... Bummer. What if we replace RAM checking
code with ...New from Paul Farrow, the ZXC4This is exciting stuff!!!! Sorry if ive stepped on your toes Paul, wanted people to hear about it!!! [QUOTE]Hi I?m happy to announce the release o…
... compatible interface (such as the RAM Turbo), or with a SPECTRA ... availability and work out the total postage cost.
The ... -passed to directly run the RAM Tester utility. The previous version ... a new version of the RAM Tester utility. For best results ...Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …
... /> 2. MEMCHK returned 32767, upper RAM fault. UPRAM85 returned 93, so ... "black screen and red bars" RAM test appears, after which the ...ZX81 + 16k RAM Pack + Original PSU... What's it worth?Hey guys Got my ZX81 this morning its in excellent condition.. [IMG]http://s30.postimg.org/iwetzxku9/IMG_20140818_142443.jpg[/IMG] However, my T…
... with original PSU & 16k RAM pack actually worth here? If ...For Sale?? Offers? Spectrum ZX81, PSU & 16k RAMHi all I've got a ZX81, 16k RAM pack & original PSU here I purchased sadly it won't work with my TV and I don't want to hack it apart to make compos…
... 've got a ZX81, 16k RAM pack & original PSU here ...
