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Black paper, white border. Ram fault?We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working o…
We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working one, and we got the same result.
is this a ram fault? How can we check ram chips? -
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. …
... Spectrum. This usually indicates a fault with the upper RAM or ... . The relevant section of the ROM program is disassembled below:
ROM-Memory_test.jpg[/IMG]
< ... the next instructions retrieved from ROM) and 32767 was taken to ... -
RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…
... ,
i burn this ROM from here
[url ... to diagnostic a probably RAM fault on my +2 grey
help with my original issue 3b from when i was a teen. possible lower ram fault.hello, well ive tried to fix my old speccy, but haven't made much progress. could you help me out with some diagnosis. the fault occurred about…
... some diagnosis.
the fault occurred about 13years ago whilst ... the upper memory but the fault is still there.
fault? or is my rom scrambled?
Microdrive fault.I guess some of you may know this... My microdrive has a problem: the motor starts running as soon as I plug the computer in, and won't stop! It is …
... is not the interface's fault, as it behaves the same ...New WoS CD-ROM Project[url="http://neuro.zensoft.net/woscd/"]http://neuro.zensoft.net/woscd/[/url] I'm about to embark on an ambitious project ... to create new up-to-dat…
... />
- WoS Basic Archive CD-ROM (1 disc) - UKP 5 inc ... ;P
1x CD-ROM incl. Games, Emulators, Remakes & ... also considering a tech CD-ROM, excluding the games, but including ...Emulators and ROM'sHi - This is my first post here, although I have been visiting WoS for ages.... I have been on quite a few multi-platform sites that offer downloads …
... good collection of emulators and ROM's that they would be ...Spectrum ROMI downloaded some text files (they are actually the spectrum ROM files but in text) which can be compiled using TASM (or soemthing). I read on WOS th…
... (they are actually the spectrum ROM files but in text) which ...Rom Cartridges Wanted - ?25 to ?35 for each title!Hi I am after any Sinclair Interface 2 Rom Cartridges that anyone wants to part with! I will pay ?35 for any Ultimate title or ?25 for the rest. The…
... after any Sinclair Interface 2 Rom Cartridges that anyone wants to ...rom cartsrom carts wanted , ill pay a fair price if anyones prepared to sell any , i have backgammon and cookie but any others would be most welcome
rom carts wanted , ill pay a fair price if anyones prepared to sell any , i have backgammon and cookie but any others would be most welcomeA great ROMBack in the early 90s my ZX clone (called "Cobra" if anyone's interested) had a sort of a "SamRam" (actually an alternate ROM accessed via a NMI) tha…
... a "SamRam" (actually an alternate ROM accessed via a NMI) that ... or downloads regarding this great ROM and was surprised to find ... absolutely magnificent. I have the ROM (there are also some scarce ... even (!) some of this alternate ROM's routines.
...Two Rom cartridges for sale and tapesAfter coming back from my parents for Xmas i've finally cleared out a ton of my old stuff. Found JetPac on ROM for the Speccy (no instructions) and …
... .
Found JetPac on ROM for the Speccy (no instructions ...New ROMAlthough commenced in late November, it is only now in the last few hours of 2003 that the "Gosh Wonderful" ROM gw03.rom has attained a release state…
... that the "Gosh Wonderful" ROM gw03.rom has attained a release state ...Convert .TZX to .ROM filesI own some ISO ROM files (from Individual Software) in the TZX format. How can I convert that to .ROM for use with an emulator? Where can I get other…
I own some ISO ROM files (from Individual Software) in the TZX format. How can I convert that to .ROM for use with an emulator? Where can I get other .ROM files?ROMDoes anyone have a complete list of the routines in the ROM of our beloved ZX Spectrum? Thank you. [ This Message was edited by: wilsonsamm on 2004-…
Does anyone have a complete list of the routines in the ROM of our beloved ZX Spectrum?
Thank you.
[ This Message was edited by: wilsonsamm on 2004-02-08 16:57 ]Wanted Software to Swap for Rom Carts ;)Wot I have for grabs is 4 Complete ROM Carts which I will swap for my wants below Horace [url="http://www.cornishdavey.dsl.pipex.com/4.jpg"]http://w…
... for grabs is 4 Complete ROM Carts which I will swap ...simple z80 rom for test my emulatorHi there! Does anyone here have a very simple rom(in Z80 format) for testing my emulator. I need a very simple one that implements few opcodes and po…
Hi there!
Does anyone here have a very simple rom(in Z80 format) for testing my emulator. I need a very simple one that implements few opcodes and possible show a simple graphics.Sinclair Spectrum System Test Rom CartridgeSinclair Spectrum System Test Rom Cartridge. [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=50224&item=8106735040&rd=1&ssPageName=W…
Sinclair Spectrum System Test Rom Cartridge.
[url="http:// ... that unlike other commercially realeased ROM carts, this one DID NOT ...Horace & Spiders and Planetoids ROM cartsI am looking for Horace and the Spiders and Planetoids ROM carts. Need to be in working condition, not necessarily with box.
I am looking for Horace and the Spiders and Planetoids ROM carts. Need to be in working condition, not necessarily with box.TZX in ROM...Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM? [ This Message was edited by: klingler on 2004-07-0…
Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM?
[ This Message was edited by: klingler on 2004-07-08 15:19 ]The Sinclair ROM questionThe simplest questions are the most difficult to answer. And here is my questions: 1.) Who was the programmer of the ZX Spectrum ROM? 2.) Is there a…
The simplest questions are the most difficult to answer.
And here is my questions:
1.) Who was the programmer of the ZX Spectrum ROM?
2.) Is there a source code of that (not the disassembly from Ian Logan!)?ANN: Gosh Wonderful ROM new version 1.31All those other version were just leading up to this one - The Gosh Wonderful ROM gw03.rom is a replacement for the standard ROM in emulators that al…
... -
The Gosh Wonderful ROM gw03.rom is a replacement for the ... standard ROM in emulators that allows you ... the same as the standard ROM and runs all the same ... is very handy as the ROM is compatible with Interface 1 ...Is the IY register used by the spectrum rom?Hi I've been writing a sprite routine and have noticed that the sprite data gets corrupted at some points. I have no idea why and can only guess tha…
... service routine in the spectrum rom is causing the problem. Does ...Permission on CD-ROM ?Hi folks, Anyone know if Codies, Ultimate or Capcom are giving out permits to sell over priced CDs (?12): [url="http://cgi.ebay.co.uk/ws/eBayISAPI.d…
... this mean ?:
"CD-ROM IS ORIGINAL - NOT A COPY ...Plantetoids ROM and Interface 2 for sale...Hello everyone - just a quick notice that I've got my Planetoids ROM cartridge and Interface 2 on eBay if you're interested!! cheers Planetoids: [u…
... I've got my Planetoids ROM cartridge and Interface 2 on ...Codemasters CD-ROMI was thinking of this: how about to write a letter to Codemasters about re-launching their famous CD-ROM with all of their Spectrum games (only thin…
... re-launching their famous CD-ROM with all of their Spectrum ...Write to ROM=crash?I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say: "Happily no check is ma…
I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say:
"Happily no check is made as to whether ROM or RAM is addressed."
Does this mean that pushing a value when SPSpectaculator/zx81.rom/zx printerHi I'm Paolo z I've loaded on Spectaculator6.25 (not registred) the following rom file (renamed zx81.rom) on spec128k: [url="http://www.fruitcake.pl…
... (not registred) the following rom file (renamed zx81.rom) on spec128k:
ZX81 ROM (edition 2) and patching the ... of the projecting of zx81.rom file or of Spectaculator or ...Swedish SPectrum ROM foundFrom a contributor to my inbox: [quote] Went to a flea market today to look for old computers and found a rubber-key Speccy. Didn't really look at i…
...
The good news: the ROM (or rather, an EPROM from ... make an image of the ROM. Provided the EPROM can ... handle the type of ROM, of course.
[/ ... any definitive answers on the ROM type and we'll ... hopefully have another ROM image to play with!< ...
