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ZX Interface 1 Compatability<p>I wondered if anyone knows of any compatibility problems between the ZX interface 1 and certain Issues of the Spectrum motherboard?</p><p>I just p…
Sounds like the Interface 1 ROM is not being paged in.
Mark -
Rejoined the Spectrum Owners Club!Rescued a +2A I bought around 15 years ago from ebay, which was lurking in my dad's loft. It works an absolute treat, and is in near mint condition -…
It would really make my day to see someone find a copy of [i]Make-a-Chip[/i] on an Interface II ROM cartridge and stick it on eBay... -
Ben Heck's Zee Ecks Spectrum 2.0Don't think this has been mentioned yet, BICBW... https://www.youtube.com/watch?v=Kyvn1Le7aiU
... check) soldered ULAs in Interface 1 and Interface 2 interfaces... (Yes, I know ... -
Turbo RAM Glitch or feature ?I have been testing a Spectrum [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000328"]worldofspectrum.org/infoseekid.cgi?id=1000328"]RAM Tur…
In fact, if you find and download the Sinclair Interface 2 manual, it tells you how to detect the Sinclair Interface joystick inputs using the IN function.
[b][i]Mark[/i][/b] -
Understanding the Kempston joystick circuitHere is the schematics: http://www.retroisle.com/sinclair/zxspectrum/Technical/Hardware/KempstonJoystickInterface-Schematics.php Ok, the 74LS138N …
Mimicking the keyboard (Sinclair Interface 2 standard) is not that hard. But producing an interface that is programmable will be a lot more complex @-)
[b][i]Mark[/i][/b] -
Understanding the Kempston joystick circuitHere is the schematics: http://www.retroisle.com/sinclair/zxspectrum/Technical/Hardware/KempstonJoystickInterface-Schematics.php Ok, the 74LS138N …
[quote="1024MAK;837575"]Mimicking the keyboard (Sinclair Interface 2 standard) is not that hard. But producing an interface that is programmable will be a lot more complex @-) [/quote]
I know. :) -
128K Toast Rack / +2 Grey Bug Fixed english ROM ?Just spotted this on ebay before ending: http://www.ebay.com/itm/1x-Sinclair-ZX-Spectrum-128K-Toast-Rack-2-Grey-Bug-Fixed-english-ROM-/26206065205…
... , the most compatible "ROM" for a 128k machine ... the original ZX Spectrum ROM (as Balford described above ... a grey +2, a bug fixed "ROM" may be ... ROM be used on a grey +2? Yes :-)
Can a grey +2 ROM ... PCB, both sockets should have ROM chips in.
128K Toast Rack / +2 Grey Bug Fixed english ROM ?Just spotted this on ebay before ending: http://www.ebay.com/itm/1x-Sinclair-ZX-Spectrum-128K-Toast-Rack-2-Grey-Bug-Fixed-english-ROM-/26206065205…
... 48k machines, the most compatible "ROM" for a 128k machine will ... to the original ZX Spectrum ROM (as Balford described above).
2 ROM 0 or ROM 1 in order increase ...Kempston ConfusionSomehow, I just can't get this straight on my mind :-O I guess my neurons are playing tricks on me. ~X( Kemspton interfaces allow joysticks …
... for use with the Sinclair Interface 2?
Or was this ...Keyboard interface - new approachI came accross this PS/2 keyboard interface. It requires a PS/2 keyboard and can output serial, I2C, 8 data pins, etc.I haven't thought it over, but …
... TX/RX, or the I2C interface) to the 8 x 5 ... or Sinclair I/F joysticks (Interface 2 and similar) to work.
Interface 2 and similar) to work, the ...Specball 2016Enterball Enteprise 128 conversion. Game https://enterpriseforever.com/jatekok/enterball/?action=dlattach;attach=14610 Forum: https://enterpr…
Controls: Kempston and Interface 2 joy, and the two shift ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
and yes when I get it running I will get an upgrade from bytedelight 2 x 720k drives 6116 ram chip and 3.2 romAPII am currently writing the API for publishers. I have set the API to return the following formats:- PHP (a multi-dimensional array) JSON JSONP …
... ": 1,
"controls": "Kempston, Interface 2 and Keyboard",
"type": "Arcade ... /> "budgetprice": [
{
"amount": 2.99,
"currency": "£"
}
The Spectrum Show 51Back for a new series... Episode 51 now live featuring the RD Digital Tracer :-) [url="https://youtu.be/hwcO3VYDb_E"]Watch on YouTube[/url]
... video[/quote]
The interface seems to have been built ... a bit dodgy compared to interface 2ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
The Kempston Pro interface has the connector level with ... the surface of the interface, so a card can be ... has a large case. The Interface 2 and RAM Turbo interfaces are ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... on data bus.
NOTE 2: ROM is usually used for RANDOM ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... flash in it as the "rom", for instance.
[quote ... on data bus.
NOTE 2: ROM is usually used for RANDOM ...Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…
also where can i find the original 128K+ rom, i dont really want a +2 romZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... CPU and keyboard/ULA. External interface (where ROM cartrige is connected) is ...Is there a mod of Pentagram without the awful control scheme?Does anyone know? Always fancied giving this a proper go but the shite rotate-and-move controls put me off, and the joystick option is ruined by the …
... also sorts cursor, kempston and interface 2. If you want your own ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... CPU and keyboard/ULA. External interface (where ROM cartrige is connected) is ... the Z80 CPU can access ROM or "upper" RAM while the ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... CPU and keyboard/ULA. External interface (where ROM cartrige is connected) is ... the Z80 CPU can access ROM or "upper" RAM while the ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... CPU and keyboard/ULA. External interface (where ROM cartrige is connected) is ... the Z80 CPU can access ROM or "upper" RAM while the ...Meaning of Format Byte of a TRDOS DiskDoes anybody knows the Meaning of the Format Byte (Byte 227 in Sector 8 (Sector Count from 0) in Track Zero) of a TR-DOS Disk (Real Disk of a Bet…
... are needed by Beta48k Interface / TRDOS-ROM v4 to save Snapshots with ... don't know if Beta128k Interface too needs single sided Disks ...Board schematic files.Where do I go to download Board Layout and Schematics these days?- All up to Issue 6a boards. It's time for some tinkering!
... service manual - ZX Microdrive- ZX Interface 1 - Interface 2 ( 1985 )
I ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
"Original" Rom revision
i have been looking at some old threads for info on this.
PRINT USR 8 gets ROM version
Is there a 1.2 ROM?
2.1 is for 48k Speccies
2.22 is for 128k SpecciesOpus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... 2.2 ROM is needed."
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ROM 2.2 retains all the features of 2 ... 2.2 of the Discovery ROM (or 2. ...WoS hits 500 permission statementsIt's been a while since I asked, but since we reached our 500th permission statement from individuals today, I thought I'd remind you all again: If …
... . I can't find my +2 either (I found one, but ... /> Edit: I remember sending a +2 and the Spectrum video digitiser ... port, [B]MAJOR[/B] mod!) +2. I really don't remember ... came with the +2, the Lightpen and an Interface 2!!!
Never got ...Noob's guide to joysticksWhy on earth would I be asking this *now*, I hear you all scream? The answer... curiosity. Back in the day all I ever had was a +2 and Sinclair's …
... same if using an Interface 2 on an older model ... the same as the Interface 2 joystick ports. However, ... D-connectors on the Interface 2 were wired to the ... multiplexed. On the +2 Grey, the joystick input ... custom chip (like on the Interface 2).
[b ...
