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Spectrum audio signallingI've had a poke around in some of the docs (and my Z80 assembler-fu is so rusty it'll be a while before I grok the Complete Spectrum ROM disassembly)…
... I grok the Complete Spectrum ROM disassembly), but I've not ... ? Lots of comments in the ROM disassembly about "edges", which seems ... it's confirmed in the ROM disassembly, although I'll have ... -
*WoS database feature request*Greetings, This message is primarily addressed to Martijn, but I've thought of making it public, so that other members may have input on the subject…
... a title for each important ROM image, so it has to ... -
John Gibson InterviewThought some of you might be interested in this, just found it on some old zip disks: Please find below an incomplete John Gibson interview I conduc…
... game courtesy of a 128K ROM add-on. At the time ... already used up all the ROM so a major design rethink ... be more than just the ROM add-on. The game was ... -
Microdrive gamesI saw a few Spectrum games on Ebay recently which were advertised as being in the microdrive format, they even had a photo of the cartridge with a la…
... just had cassettes, a few ROM cartridges and a few +3 ... -
Pimp my code...Erm, this is just the result of a mental exercise - I wanted to repeatedly display a UDG but decided against using a ROM routine and UDGs! Any sugges…
... but decided against using a ROM routine and UDGs!
Any ... -
Screen LoaderCouple days ago i find very interesting loader routine in ex Yugoslavia magazine "Svet Kompjutera" from january 1987. Authors of article, calls this …
TZX format questionProbably a daft one, but I like to be sure of these things! For a block type 10 (a standard speed data block), the text states that all values in s…
... any value, and still be "ROM-routine-compilant" as it would ...Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …
... I want to replace the ROM with an english version. I ... I put a a +3e ROM(s) in this? If so ... ok and with the+3e ROM? It looks like the least ...Will we see a return of the microcomputer?The glory days of the 80's are definitely in the distant, revered past, but I notice that computer makers are marketing more and more ultraportable l…
... more CPU power, RAM and ROM that the old SPeccy, and ...Delay routine requiredI'm putting together a short routine to play some Beep style music. I need to be able to pause between notes when required. These pauses are defined …
... . Is there one in the ROM that can do this ? If ...ZX Spectrum +3 - incompatible ?Hello :) I'm newbie here. I know WOS site since years, never checked forum before ;) , but this moment came when I have problem. I wanna buy ZX Spe…
... keypad scanning routines from the ROM were removed
Some ... to copy any old game/rom from PC to ZX+3 ...Phil Kendall site links broken?I wanted to check to see if there was a MGT messenger ROM image on his site, if not then I was going to offer a copy of it. The site seems to be down…
I wanted to check to see if there was a MGT messenger ROM image on his site, if not then I was going to offer a copy of it. The site seems to be down. Any one know why?
thanks.DVD ROMS & regionsForgive the really stoopid question guys, but can anybody tell me if a DVD data ROM is regionalised like a movie DVD or is it universal like a CD ROM.
Forgive the really stoopid question guys, but can anybody tell me if a DVD data ROM is regionalised like a movie DVD or is it universal like a CD ROM.How to write an IDE drive (8 bit)?Hi there. I want to build the 8-bit interface by Pera Putnik, and substitute the original ROM by an EPROM with the appropriate program in order to c…
... Putnik, and substitute the original ROM by an EPROM with the ...Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…
... 's tinkered with the Speccy ROM's floating point routines is ... to shift it. However, the ROM treats integers up to 65535 ...Rst #38This, as far as I know, is the ROM procedure that does the keyboard check. (and, at the same time, is what's being executed by interrupt in IM 1 mode…
... as I know, is the ROM procedure that does the keyboard ...Multiface 128 problemHello everyone i have a 48k plus speccy which i firstly thought was working perfectly. It passed all the test of the official Sinclair test tape (cpu…
... official Sinclair test tape (cpu, rom, ula, ram) so i thought ...Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... projects this is not a ROM replacement, it runs in RAM ...Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …
... other - well, perhaps a bad ROM, perhaps a bad CPU (it ...Services[FONT=Arial,Helvetica][SIZE=+1][COLOR=#000000][B]Software Houses[/B][/COLOR][/SIZE][/FONT] [FONT=Arial, Helvetica][B]Brand new software[/B], that i…
... .org/cdrom.html#zenobi"]CD-ROM[/URL] of all games in ...Opus Discovery 720K DriveOK, so I bought an Opus Discovery recently. Went through a whole process of fitting a second drive, which I know to be 720K. Eventually got the thin…
... it (thanks to the Opus ROM disassembly on WOS) to allow ...Replacement ROMsSo, I've replaced a couple ROMs in my +3 to be a +3e. I used a couple of 27c256's, which has worked a treat. So if I wanted to replace the ROMs in …
Spectrum Spare parts neededI have a customer in Croatia purchasing some items from me, but to save on postage and currency conversion costs, can anyone supply the following ite…
... / ZTX650 transistors
Spectrum 48K ROM chip
I would ...BETA Test in Progress[url]http://www.delhez.demon.nl/[/url] BETA release 13A provides a handy token key for the popular quote character. Also, performance will improve …
... /> Allocate 8k of ROM at 0k // 8k of ROM at addr 0 ...
Load ZX81_ORG.ROM at 0k // load ZX81 ROM ... into ROM-area
Allocate ...ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
... . Note that the +3e firmware (ROM) has to be set up ...Betadisk RAM modificationHello! I've ocassionally found this on the web: [url]http://www.nairam.sk/betadisk.html[/url] [url]http://www.nairam.sk/betadisk_02.gif[/url] Doe…
... paged in instead of empty ROM region at 0x0800.
What ...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?