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The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... firmware, where we have 8K ROM + 8K RAM to play with ... code to add (mostly duplicating ROM features that aren't available ... -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... % ok. Swapped ULA, Z80 and ROM for 100% ok types. The ... -
Dead compyMy computer died. First the DVD ROM drive stopped working, then Control Panel so I couldn't try and add hardware or diagnose the problem. So I trie…
... computer died. First the DVD ROM drive stopped working, then Control ... Vista but still no DVD ROM and then it stopped loading ... -
Is this true? And if so, how is it legal?You know how Google are setting up a Google Library of online books? This is a collection of online scans that anyone can view: [URL]http://news.bbc…
... can't stop a DVD-ROM from being readable. He'd ... -
Cartridges vs. Discs vs. Digital downloadFollowing a discussion in another thread, I thought a poll about cratridge vs. disc vs. digital download might be interesting (well, compared to the …
... ]Worst:[/B] Cartridges, no argument. ROM chips, of whatever type, cost ... -
Screen display at resetJust something for curiosity: When the Spectrum is reseted by for example NEW a very typical screen is shortly displayed. [IMG]http://i33.tinypic.c…
... , is there some code in ROM that writes the red lines ... -
SWAP: ROMs PSSST and SPACE RAIDERSI got PSSST, unboxed, but 100% working and with the orange rubber part and SPACE RAIDERS, boxed (perfect condition), 100% working, with orange rubber…
... might think of swapping the ROM(s) for hardware... -
Repair options for my own dear old Spectrum 48k?Hello all, This is my first post to this wonderful forum, which is part of a truly great website! My name is Arnold, and I live in Utrecht, The Nethe…
... Z80 as well, and the ROM (AMI 8427ACJ) gets very hot ... -
Some ever noticed that +2A/+3 halts Z80 using WAIT?I mean: Anyone ever noticed that the +2A/+3 halts the Z80 using WAIT? All documentation I've read about contention state that the ULA halts the Z80 …
... speed of RAM, speed of ROM, and maybe, internal timmings at ... -
Bastard!!!!!!!!!!last night i blew my new puter up :( stuck an old rom cd in and the fucker exploded inside my new puter :( now it wont boot up, it wont even find th…
last night i blew my new puter up :(
stuck an old rom cd in and the fucker exploded inside my new puter :( now it wont boot up, it wont even find the hdd -
rebuilding a speccy - original hardware, emulation or cloneI have some spare speccy parts and cases etc and I've been thinking of bastardising a spectrum. I'm undecided as to using original hardware, clone or…
... +2 (grey) board with a rom whipped out of an old ... -
pulling data from a CD-romis this possible. it starts up as a programme, and wont let you print from it. i could do screen grabs but that would take ages.
is this possible. it starts up as a programme, and wont let you print from it. i could do screen grabs but that would take ages. -
Codemasters CD-ROM etc. on ebay[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=300357290705[/url] The CD Games Pack, bit battered but complete with instructions and cabl…
[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=300357290705[/url]
The CD Games Pack, bit battered but complete with instructions and cable... couple of other titles of note including two Cronosoft ones... Sim City...
Interface 1/Printer problemAre there any known incompatibilities between the Interface 1 and the standard ZX Printer? I've now had three working printers die on me. They were…
Games etc on eBayHi This is my first post, and I'm afraid it's a plug. I've just put 30 or so games up on eBay, plus a boxed Currah Micro Speech. The games are most…
... of the Unicorn and 3 Rom carts + a Ram Turbo & ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... -
Choose a location in ROM where the are 256 random ... ;source of random bytes in ROM
ld d,0
ROM
ld d,0
Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …
... (except the ULA, CPU and ROM since they're big and ...Looking for contact!Hi all, Back in 1998 I sold most of my Spectrum gear........I traced the add in comp.sys.sinclair and it's quoted below. I think I sold it to JAMES …
... /> about with the original rom code. Yes, I probably ... also got The Complete Spectrun Rom Dissassembly somewhere, as
Rom Dissassembly. Tapes as follows ( ... br /> Book - The Complete Spectrum Rom Dissassembly.
Tapes as ...Divide problemSome years ago i got myself a divide as a kit. Assembled it, flashed it with demfir and all went well with a cd-rom connected to it. Meanwhile, i g…
... went well with a cd-rom connected to it.
rom psu.
Never got ... i tried again the cd-rom but it didn't work ...Framerate of arcade gamesThe Golden Age of video games coincided with the birth of 8-bit home computing; this is why every computer of that era has a slew of really bad Pacma…
... machine in action, but the ROM code has now been disassembled ...book review title switchThe reviews for Spectrum Machine Language for the Absolute Beginner and The Complete Spectrum ROM Disassembly on ZX Computing Dec'84 pages 108/109 ha…
... Beginner and The Complete Spectrum ROM Disassembly on ZX Computing Dec ...winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…
... not boot to the internal rom. It will boot to the ...Need help with interrupts againI'm fighting to understand how interrupts code handling works I'm trying to set my simple own interrupt routine, as I don't want to be dependent on …
... want to be dependent on ROM routines. The most important thing ... byte 0 which is in ROM and has value 243
About wireframe 3d animationAre there any demos or games that have very long 3d animation sequences? Some games have short, repeating animations and I only know of a demo (somet…
... routine was faster than the ROM one. Is this assumption correct ...Russian cracks in latest updateI have just noticed the topic about Italian cracks in latest update. There are more cracks in the update. Check this Russian compilations: [url]htt…
... load into emulator a custom ROM (included in .zip file) first ...New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…
Would someone make me a rom?Hi I'm really hoping here but is there someone that has all the equipment / software to make speccy roms that would do a cassette for me if I send it…
Hi I'm really hoping here but is there someone that has all the equipment / software to make speccy roms that would do a cassette for me if I send it to you? I would be willing to pay a small fee and postage of course. Its a game I wrote in basic years ...Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …
As I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here.
I've built some (very ugly) prototype hardware and everything seems to be working nicely. I'm stuck on the ...
