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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 ... -
Small ROMs updateI've finally got around to updating my [url=http://www.shadowmagic.org.uk/cgi-bin/spectrum/roms.pl]ROMs page[/url] with some of the ROMs I've "recent…
... /roms/kempstondisc.rom.zip]Kempston Disc Interface ROM[/url] (thanks, Phill ... -
DVD-RW questionI've made up a DVD-RW disc with various old VCR clips, but when I come to copy it onto my PC's hard drive as backup, it comes up with a message after…
... made up a DVD-RW disc with various old VCR clips ... make a backup of this disc, which effectively makes it useless ... -
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 ... -
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 ... -
splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…
... z88dk, placing global variables in RAM and stuff like that. I ... to the structures generated in RAM from $7000 onwards and the ... sp_Clipstruct to be located on RAM?
Thanks ... -
List of I/O ports used by common peripherals?I remember looking at a file (just plain text, IIRC) a while back that listed all the IO ports used by various bits of Spectrum hardware, such as the…
... Interface 1, Kempston joystick, various disc drives etc.
I ... -
th?ts on a CF hard disk for a laptopG'Day y'all, I'm thinking of splashing out on a low-end laptop once my loan comes thr?. A REALLY low end one: ?89.90; Pentium II @ 200MHz; 32MB RAM; …
... .90; Pentium II @ 200MHz; 32MB RAM; 2GB hard drive; 800x600 SVGA ... -
ZX 81 + Spectrum Stuff on EbayI've had a bit of a clearout and a testing session today and listed a load of stuff on [URL="http://search.ebay.co.uk/search/search.dll?sofocus=bs&sb…
... ZX81's.
2 ZX81 Ram Packs.
Some Spectrum Games ... -
DRAM (:baffled:)Hi, Can someone explain to me the definitive rules on DRAM access times in terms of suitability for a particular speed of processor? Specifically, …
... places I read that faster RAM isn't an issue, and ... -
TS1000 and TS2068 for saleHave a TS1000 in good working condition and a TS2068 for parts or repair (might have a ram or ac adapter problem - crashes once in a while). Both com…
... or repair (might have a ram or ac adapter problem - crashes ... -
Did the 128 really need that oversized heatsink?Quick question: Did the 128 generate extra heat (compared to the Plus) to warrant the new heatsink? Obviously the machine carried extra RAM and addit…
... ? Obviously the machine carried extra RAM and additional components, but the ... -
Some more questions on various subjectsSome more questions that occur to me (mainly when I can't sleep). 1. Do DVD discs have PAL/NTSC formats? If so, how come I could play DVD regio…
... on level eighteen as the disc has an invisible scratch on ... that format instead of a disc?
Yes, granted a ... you got a box, a disc etc, and the shop got ... -
F.A.O SDP bodsI've had a look at .jpegs of Vlads Quiff stuff from his loft (see sales thread) and I think I might have identified something not in the archive Cl…
I've had a look at .jpegs of Vlads Quiff stuff from his loft (see sales thread)
and I think I might have identified something not in the archive
Clive Drive Tutorial on a floppy disc.
any use? -
Help with a PSP?I've just become the proud owner of an old Sony PSP, which comes with the mains lead and nothing else, and is missing the thumbstick cover (but the t…
... 't you need a game disc (a "UMD" thing?) as well ... -
Removing VistaA bloke I know has asked me to downgrade (ha ha) his PC from Vista to XP. Should be no problem, as I've installed XP on a million PCs over the years.…
... 's got a Vista install disc, but he's digging out ... -
PC tech - laptop touch pad keeps freezingAnyone know why every few minutes my laptop's touchpad goes unresponsive for a second or two, then the cursor goes to where it should have when I was…
... this?
Windows XP, 1GB RAM, 1.8Ghz Intel Celeron 530. -
Faulty Spectrum (help requested)I have an issue 6a specci. It's Z80 has the fault m1 line problem (Multiface 128 does not work). So I decided to put in a new Z80 but unfortunately i…
... me it loks like bad RAM. But the Spectrum worked before ... need to unsolder all the RAM ICs which is much more ... -
sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …
Hi All,
Is there someone who may explain what these jumpers can be used for.
[url]http://forest.no-ip.org/repair/jumpers.gif[/url] -
burning tunes on media playerPeople on here seem to be a friendly bunch so I'll try here... 99 percent of the time, I painstakingly create my own mp3 cd complations using single …
... re-arrange themselves on the disc:-o
How do ...
