-
Anyone knows how these work?[url]http://www.crumblenet.co.uk/keyb/rpacks.html[/url] I don't know if Casio keyboards were popular in the U.K. I grew up with a Casio PT-82 and al…
[QUOTE=guesser;632339]It could be a serial rom or it could be more complicated even.[/QUOTE] I second that. -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... A2 and D6 underneath the socket (I had to use a ... I could have damaged the ROM and/or one or more ... -
Connecting HDF to Emulator with divIDE supportHi Guys, I'm using ESXDOS 0.8.0 on a divIDE 57c but I want to set it up on an emulator. I've created an HDF of my CF card but I'm struggling with i…
[QUOTE=guesser;632885]Can you make it ... > Options > Hardware > ROM Images > DivIDE Firmware > ... -
interface 2 game roms in SpectaculatorHow can I easily start an IF2 game ROM in Spectaculator? When I click on Open it asks about start address (16384 / 8192 do not work) and it does not …
[QUOTE=guesser;633548]The start address would be zero for an IF2 rom![/QUOTE]
Does not work btw... -
interface 2 game roms in SpectaculatorHow can I easily start an IF2 game ROM in Spectaculator? When I click on Open it asks about start address (16384 / 8192 do not work) and it does not …
[QUOTE=guesser;633684]I guess spectaculator doesn't allow you to load data over the rom, makes sense[/QUOTE]
Doesn't Spectaculator have an option to allow the ROM to be writable? -
+3e Strange IssueHello there my fellow WoS'ers I am absolutely perplexed by the following problem, I am hoping that someone more enlightened than I can help [I](no…
... help of a [B]Personal Guesser System 2.0[/B] we ... expansion bus and power input socket was broken. so broken that ... -
Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
I'm with Guesser on this one. They'd ... many machines to replace the ROM. They wouldn't have decided ... -
Spectrum +3e Roms still availableAs the title says, just wondered if Gary Lancaster or anyone is still selling 3E Roms as wouldn't mind a go at fitting some. Only ask as his site ha…
Also worth mentioning that Guesser's Flash-ROM replacement board is also a viable solution, if he gets enough orders to do a second batch. -
Flash Boards UpdateAs per [URL="http://www.worldofspectrum.org/forums/showthread.php?t=36525"]this thread[/URL] I'm still working on the Issue 2 flash rom boards. I re…
[QUOTE=guesser;636761]gimme some ui code for the programmer rom and I'll think about it ;)[/QUOTE]
Ahhh bugger, I knew there'd be a catch....
What do you need exactly?? :p -
Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…
... that on top of the ROM. Just a few pins must ... IMO is piggybacking onto a ROM makes it difficult to exchange ... the ROM even when it's in a socket. I've ... -
48K and wavy lines.It seems all Spectrum related things are breaking here at casa de Don Pedro. After the problem with my old ZX81, I went over to my issue 2 ZX Spectru…
[QUOTE=guesser;641577]You could always buy ... with a Divide, has a rom mod to switch between Swedish ... -
Odd / interesting things to do with Spectrums, IF1 and Microdrives.Firstly, I did not know where to put this, whether to shoe horn it into one of the more recent microdrive-ish threads, or drag up one of my old ones.…
@guesser
I have a theoretical question (mainly to save me looking at the specs) but is the IF1 ROM limited in storage size of the carts or - if permitting one could have a 256k or 1MB or more on a md-cart? -
Odd / interesting things to do with Spectrums, IF1 and Microdrives.Firstly, I did not know where to put this, whether to shoe horn it into one of the more recent microdrive-ish threads, or drag up one of my old ones.…
[QUOTE=Zetr0;642110]@guesser
I have a ... specs) but is the IF1 ROM limited in storage size of ... -
Odd / interesting things to do with Spectrums, IF1 and Microdrives.Firstly, I did not know where to put this, whether to shoe horn it into one of the more recent microdrive-ish threads, or drag up one of my old ones.…
[QUOTE=Zetr0;642110]@guesser
I have a ... specs) but is the IF1 ROM limited in storage size of ... -
Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... />
Have you inspected the socket? possible corrosion / bad contact / dry ... of some of these old ROM have reached the end of ... -
Odd / interesting things to do with Spectrums, IF1 and Microdrives.Firstly, I did not know where to put this, whether to shoe horn it into one of the more recent microdrive-ish threads, or drag up one of my old ones.…
[QUOTE=Zetr0;642110]@guesser
I have a ... specs) but is the IF1 ROM limited in storage size of ... formatting a cart, the IF1 ROM would begin with Sector 255 ... /> After this initiall formatting, the ROM would then verify which sectors ... -
ROM-elHi, I have a bunch of [URL="http://store.go4retro.com/products/ROM%252del-23128%7B47%7D23256-FLASH-ROM-Replacement.html"]these[/URL]. They are 23128…
[QUOTE=guesser;642711]Looks to me like ... can do.
[QUOTE=guesser;642711]As for the jumpers ... ? And without it it is ROM mode? Why two switches instead ... -
ROM-elHi, I have a bunch of [URL="http://store.go4retro.com/products/ROM%252del-23128%7B47%7D23256-FLASH-ROM-Replacement.html"]these[/URL]. They are 23128…
[QUOTE=guesser;642714]If you connect the ... I could then transfer new ROM image from PC to ZX ... write it directly to ZX ROM. Would save me from opening ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... thanks.[/QUOTE]
Messenger rom contain only easy routine for ... memory in eprom socket but pin 26 of socket must be connect ... -
Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic; [IMG]http://i764.photobucket.com/albums/xx284/arioch1973/4…
... . So I suspect now my ROM is bad. I pulled the ... rom, fired the ZX up with ... no matter if the ROM is in its socket or not.
ROM? -
Does this Windows program exist?If you're anything like me, then you often (and I mean [B]often[/B]) are given a friend or family member's PC or laptop to sort out, as it's "running…
[QUOTE=guesser;645674]I find that if ... delete parts of the Spectrum ROM on a real Spectrum with ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
[QUOTE=guesser;645821]
Presumably the Stage ... bit that actually loads the ROM over the network. Stage 2 ... .5 can do any fancy ROM paging stuff it needs to ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
[QUOTE=guesser;645860]I blame Phil ... paging in their own ROM when the +3 is ... ;ram.special = 0;
normal_memory_map( rom, page );
+ ... ;
machine_current->ram.current_rom = rom;
- memory_romcs_map();
... -
16k Issue 2 board and DivIDE load errorsI today got an Issue 2 16k board (thank you PMSR) that i added the logic and ram on to get a 48k machine. However, I am unable to load software from …
... cpu to a Zilog Z80, socket the ROM, put 4164's as ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... side contains the FPGA, platform ROM, oscillator and AD724 as main ... the FPGA and the platform ROM. The other thru-hole component ... strip pin for the ULA socket.
The design has ... nearby places from the ULA socket. Some issue 2 boards have ... -
Spectrum +2 EPROM in Spectrum +2AHi, My friend Marc bought a +2A from Tim Abbott at the Spectrum 30 event. Back in the day there were companies selling +2 ROMs to put into +2As to r…
... left socket. Put the 128K editor at 0000-3FFFF and 48K ROM ... caused that one of the ROM's to be selected all ... -
Spectrum +2 EPROM in Spectrum +2AHi, My friend Marc bought a +2A from Tim Abbott at the Spectrum 30 event. Back in the day there were companies selling +2 ROMs to put into +2As to r…
... for putting se-0.rom in banks 0 and ... of the original ROM (se-1.rom) and a version ... of the 128 editor ROM with three bytes changed ... compatible with the original ROM (se-0.rom).
However ... better off installing Guesser's flash-ROM board and being ... -
Spectrum +2 EPROM in Spectrum +2AHi, My friend Marc bought a +2A from Tim Abbott at the Spectrum 30 event. Back in the day there were companies selling +2 ROMs to put into +2As to r…
... ) in the other socket and have a 'soft' 128k ROM. Presumably there ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... this issue 2 board, because ROM and Z80 are socketed (and ... the MIC and the EAR socket offer a clear "beep" (EAR ... be configured by the platform ROM. Well, I have to say ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
[QUOTE=guesser;653363]AAAAAAARGH! :evil:
( ... ZX82 but without the CD ROM drive isn't it?
