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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?
Fuse problemTrying to build a Windows version of Fuse (latest SVN), but the resulting .exe doesn't seem to work quite right. Specifically, the sound is very chop…
[QUOTE=guesser;653856]The official build on ... /programming/fuse-win32-native/bin/rom[/I][/QUOTE]
I can ...Fuse problemTrying to build a Windows version of Fuse (latest SVN), but the resulting .exe doesn't seem to work quite right. Specifically, the sound is very chop…
[QUOTE=guesser;653926]It's in the ... fully qualified path of every ROM, though.Spectranet Module InstallerAnother thing which might be useful to people is my "module installer" creator. This packages up a spectranet rom module with a small installer prog…
[QUOTE=guesser;653977]Another thing which might ... /> This packages up a spectranet rom module with a small installer ...semi dead speccy 48k who can helpHi forum , i am busy recovering a 48 k speccy issue 3 board unit. With the help of a more experienced spectrum user from the uk , i managed to get…
... a ROM directly, as long as connections on the board (socket) are ...semi dead speccy 48k who can helpHi forum , i am busy recovering a 48 k speccy issue 3 board unit. With the help of a more experienced spectrum user from the uk , i managed to get…
... a ROM directly, as long as connections on the board (socket) are ... I think.[/QUOTE]
The ROM used in the Spectrum has ... the decoding circuits for the ROM simple.
EPROMs only ...semi dead speccy 48k who can helpHi forum , i am busy recovering a 48 k speccy issue 3 board unit. With the help of a more experienced spectrum user from the uk , i managed to get…
... change which pin on the socket corresponds to those signals
rom chip being selected.semi dead speccy 48k who can helpHi forum , i am busy recovering a 48 k speccy issue 3 board unit. With the help of a more experienced spectrum user from the uk , i managed to get…
... to verify the change in rom//eprom , and with the ... that a straight swop of rom vs eprom cannot work ... find about having both possibilities ( rom and eprom ) is to ... ) on the rom , and then plug it into the socket .
... i don't have a rom.
I ...Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…
... /> Just desoldered IC27, put a socket and tried both a working ... :
1) The service ROM is the one found at ...[Free] BBC MasterHopefully this thread is OK with the mods, Figuring (1) its a freebie and (2) we all like preserving older hardware anyway. Right then, I need to re…
... the 'free' one the Mos rom is soldered in so it ... want chopping out and a socket fitting, not a big job ...zx spectrum 128+2a/b questionsIv just purchased a 128+2 and have only one game for it lol (Super stunt man). A few question if anyone can help.. 1)I'd like to run games through …
1) Sound socket is an output socket, so you won't get ... , there may be minor differences (ROM versions and some modifications in ...Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
... thinking of using the joystick socket to receive the serial MIDI ... .htm#RS232Wiring"]programming his ZXC3 ROM cartridges[/URL] using the IF2 ...Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
[QUOTE=guesser;667243]Using a joystick port, ... MIDI device and the RS232 socket.
[QUOTE=DaRkHoRaCe;667244 ...Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
... MIDI device and the RS232 socket.
I was talking ... both port types.[/QUOTE]As Guesser already said, MIDI is just ... much impossible, see reply to Guesser below). And preferably to have ... to connect.
[QUOTE=guesser;667326]Oh I'm aware ...Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …
... curve? :D
[QUOTE=guesser;671378]It needs a local ... filesystem, right? And there are ROM routines already working with them ...
