-
Unbelievable...This ebay is for some laptops described as "used". Look at them... The URL is: [URL]http://cgi.ebay.com/lot-of-4-IBM-thinkpad-t21-t22-lenovo-part…
... ]
[*][B][COLOR=red]no ram [/COLOR][/B]
[*][B][COLOR ... -
Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…
... , NEW =
RAMTOP).
11DC RAM-FILL LD (HL),+02 Enter ... it
fails.
11EF RAM-DONE DEC HL HL points ... -
Three feet later...Three feet of solder wick later, that is, after clearing the holes where the 4532 (upper 32K) memory was on the issue 4B board I've finally got aroun…
... two minutes to get eight RAM chips out with the hot ... -
PC Power supply for SpeccyHi all, after 13 years with out playing spectrum games I am eager to play the old games. Thus I got up to the garret checking my old stuff. Two of m…
... and +12V direct to the RAM. The speccy boots and I ... -5V and +12 to the ram. The queastion is know are ... -
What Shop Did Spectrum come fromWhat shop was your spectrum purchased at? I my mum got ours for Christmas 1983 from W.H.Smith in Oxford. The guy in the shop asked my Mum if she wa…
... she wanted the Rom or Ram version. I think what he ... -
I want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…
... in peoples experiments with modern ram chips (any expertise to share ... killer of spectrums (ULA and ram I presume..). what causes the ... fluctuate and therefore killing the ram that's the problem? or ... -
Reading digitized data from the DivIDE......MB02 or any other IDE interface with cf, cd, sd or an hd connected to it. What would be the best route? I don't know if there's a size limit for …
... . Instead of being limited by ram, the player would load data ... -
IDE-media only Spectrum games?A similar discussion is taking place at Speccy.org's forums, but I thought it was worth to start the topic here. Now that we have several IDE interfa…
... as a gateway to virtual ram, and as the end of ... -
PC power source and Spectrums.I'm planning to use a basic PC ATX power source (300W) for all my sinclair equipment, but I have two questions: - I've read about some nasty things …
... . I remember something about a RAM chip failure destroying internal power ... -
Broken SpectrumsChaps ( & Mrs Death ), I was looking at getting some dynamic ram chips for the next phase of the Harlequin stuff, and I started thinking...... I've…
... looking at getting some dynamic ram chips for the next phase ... /> If there are enough 32K ram chips left over, then that ... -
Backup QuestionWhile I was in Malta just I had to repair my mates computer. Completely stuffed windows, hangs during boot. Only thing I can do is reinstall window…
... AMD 3.2 Athlon, 2gig Ram, 200gig HD space
Start ... -
Mb02+ideAs I wrote in the hardware forum there will be a small number of a redesigned MB02+IDE (nearly the original MB02+ including IDE interface also for CF…
Sinclair QL, CST Q+4, disk drives etc.I've got a large expanded QL package up for grabs on EBAY at the moment. Check it out if you're interested here: [url]http://cgi.ebay.co.uk/Sinclai…
... -Computer-CST-Q-4-640K-RAM-2x-DISK-DRIVES_W0QQitemZ120171253500QQihZ002QQcategoryZ4193QQssPageNameZWDVWQQrdZ1QQcmdZViewItem[/url]Compatible SpectrumsFollowing some recent coding exploits I've been thinking about compatibility of various models of ZX Spectrum. Yes, it's a common question on the for…
... had different pages of contended RAM (I think 1, 3, 5 ...Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…
Hi All
My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background screens has a bar of rubbish across it. This sounds like a problem with the memory, is there an ...info somewhere about russian Scorpion and Pentagon ports usage ?Is there a place, preferable written in Latin script (but not really mandatory), which describes the complete port assignement of the russian clones …
... Scorpion and Pentagon ? Specially the RAM bank usage. I have found ...Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
... from IDE device to ZX ram via INI or INIR, half ...Grey Plus 2 Keyboard - For anyone who wants it.Hi guys, I'm getting rid of some of my speccy stuff. I have a grey +2 keyboard here; it was working fine the last time i used it. Its free to a go…
... to clarify, this is a replacement keyboard only, not the full ...FPGA Spectrum is aliveMy FPGA Spectrum that I started to work on year ago is in 90% ready. I have fixed DDR controller so I can read from it and write to it. I've run som…
... for videoram I use embedded RAM blocks in dual-port mode ...To Winston , diag-interface.Hello to all, first, sorry for my english i'm from spain and my english is very poor. Wiston, thank you very much for your great work "diag-interface…
... wauuuu, problems with the video ram.
I have other one ... ploblem, i replace all video ram but still faulty. Thanks you ...4116 and 4164 chipsI've just found the following supplier for 4116 and 4164 RAM chips. about $0.80 each.. not bad. [url]http://www.jameco.com/[/url] It's a US site. I…
... supplier for 4116 and 4164 RAM chips.
about $0.80 ...Spectrum ethernet... step 1.1Yeah, a tenth of a step :-) Here's the W5100 board up and WORKING: [url]http://www.alioth.net/tmp/w5100-online.jpg[/url] This is called the "Get Th…
... the ALIAC-2 supports sideways RAM natively, has a CTC which ...The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... appears as simply 32K of RAM, with the registers in the ... as you would some paged RAM. That's what I'm ... ethernet board's ROM and RAM, and then only two address ...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…
... . An explanation how the ULA replacement fetches the bytes without any ...So who needs a 3.5 GHz dual core Core 2 Duo......when a 6MHz Z80 will do for a multi-user server? After hacking about more with the socket library - I had 4 simultaneous users on ALIAC-2 via eth…
... at what flash memory/static RAM I'd like to use ...FATware on +divIDE and ZX SpinHello, My (real) +divIDE running FATware 0.12 was reading snapshots from a FAT (16) formatted CF card perfectly last week. Now, on reset, it recogn…
... I have scrambled the divIDE RAM (or even the ROMs)? (I ...Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... it sais there is faulty RAM at address 8000, and when ...Adventures in Programmable Logic Part 2So, now armed with an Xilinx Parallel III cable, an XC9536 CPLD, a breakout board with power, a JTAG pin header and a 44-pin PLCC socket, I could try…
... for the flash ROM, workspace RAM and W5100
- contain the ...It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... fooling it into thinking upper RAM is being accessed. (This will ...
