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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.< ... Issue 3 motherboards and the IF1 or if not what's ... -
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.< ... Issue 3 motherboards and the IF1 or if not what's ... -
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…
... now. Rare enough for the ROM to fail and to leave ... /> I socketed and swapped the ROM anyway because I'd already ... an Issue 2 and the IF1 has suddenly come alive.Thanks ... -
Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…
... the back of a Speccy, shadow all writes to video RAM ... jumper that makes it shadow writes to ROM addresses instead, you could ... -
Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…
... the back of a Speccy, shadow all writes to video RAM ... jumper that makes it shadow writes to ROM addresses instead, you could ... -
Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…
... the back of a Speccy, shadow all writes to video RAM ... jumper that makes it shadow writes to ROM addresses instead, you could ... -
Microdrive-Microdrive incompatibility?Hi All! Finally I could get enough Microdrives and connecting blocks (or cable replacement) to make the largest storage configuration of the classic…
... are bit banged on the IF1 to move the motor ... cartridges in!) and patching the ROM to support more than 8 ... off the motor(s) the IF1 just shifts out eight ' ... 8 drives to a standard IF1 it would malfunction. It is ... one microdrive and a broken IF1, so there's no ... -
Microdrive-Microdrive incompatibility?Hi All! Finally I could get enough Microdrives and connecting blocks (or cable replacement) to make the largest storage configuration of the classic…
... easy to test a modified IF1 ROM.
[url="http://www. ... have used an IF1 without the bad ROM chip, the ROM came from ... cartridge in IF2 ROM socket.
That IF1 still have ... socketed ROM... I have 10 working ... -
IF1 Network not working<p>Dear all,</p><p>I am looking for some hint or advice to get the Network on my IF1 running again. I have in total 3 IF1 where at 2 of them the Netw…
... the Microdrive and the IF1 incl the ISO rom, so I can ... interface, Diag board for the ROM and IF1. So I can read ... -
Preservation prioritiesHi all! Firstly, thanks to the WoS staff for setting this category up. Secondly, thanks to you for all for backing the idea, and in anticipation o…
... of the Messenger’s ROM, but only one can ... certain. The Kempston Centronics ROM needs dumping and the PCB ... could perhaps do with better IF1 photos, but my board ... do is put together ROM checksum testing and dumping ... whether their peripheral’s ROM is known, and if ... -
Another silly hardware idea - RAM Pack adaptorHow about a mini bit of PCB that adapts ZX81 RAM Packs to replace the address space of the Spectrum's ROM? I guess practically you'd need a way to…
... possible to swap out the ROM for something else via the ... Mikro-Plus cartridge have a ROM pre-loaded with game code ... a bit more of [i]Shadow of the Unicorn[/i] once ... bit of both (small replacement ROM loading routine plus more RAM)? -
Another silly hardware idea - RAM Pack adaptorHow about a mini bit of PCB that adapts ZX81 RAM Packs to replace the address space of the Spectrum's ROM? I guess practically you'd need a way to…
... . I guess its only a ROM interface that loads the rest ... />
If it used some "shadow RAM", it wouldn't work ... map some RAM into ROM space, but not Shadow of the Unicorn. -
The best ZX Spectrum emulatorsIt's been suggested we add a sticky thread where people can recommend their favourite emulators. A couple of rules. 1. Don't just nomina…
... events (“br ev if1:page” to catch the IF1 ROM being paged in ... -
Emulator developmentHi, Could anyone explain or direct to a link that explains in not to technical terms how an emulator is developed. It has always blown my mind eve…
... copy of the Spectrum's ROM. Then you set a "PC ... a second set representing the shadow register set.
Then ... -
Please test your ZX128+2 (grey model)Please reset your ZX128+2 (grey) and write in 128 basic (or in USR0 mode): [B]PRINT IN 32765[/B] - if basic crash (black screen) then your ZX contai…
... ROM 1 becomes paged in) and the black screen (because the shadow ... at C000, and the 48K ROM's RAM test routine causes ... -
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…
... reserving one address in the ROM (probably the last) to be ... you try to write to ROM, what happens is a DATA ... at the same time that ROM is forcing the address data ... to switch the ROM OFF, so that ZX ROM or IF1 ROM can be ... -
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…
...
- Replace you Spectrum ROM, so that you can use ... another implementation or fixed ROM, (gosh wonderful, for example ... print driver, Serial protocol (IF1 has this), hardware driver, ... />
- Re-issue previous ROM formats, like the 10 Sinclair ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... the ROM, but this is not the case with the shadow screen ... of it
Display shadow screen, page in normal screen ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... the ROM, but this is not the case with the shadow screen ... say though, that the 128 ROM system/BASIC is often a ... interrupt handler of the 128 ROM is flipping pages at will ... to switch to the 48 ROM which doesn't mess with ... -
Question - SAMS Timex Sinclair 2068 Beginner/Intermediate GuideHi all, I just acquired a T/S 2068 and the a book that came with it is, SAMS Timex Sinclair 2068 Beginner/Intermediate Guide. On page 18 of thi…
... shared with spectrums having the if1 or some disk interfaces attached ... they call directly into the rom. After the first couple of ... only called directly into the rom rarely but a few entry ... emulator. By using a spectrum rom in the bottom 16k you ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... Supports 48k, 128k and Rom games (Z80, SNA, ROM)
[b][color ... tweaks. Yes, it runs "Shadow of the Unicorn" too :D ... - Sinclair Spectrum 16k (Only emergency ROM works -> switch on while ... 128 -> apparently internal rom disable is not available at ... -
Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... /> - I didn't use the shadow registers HL' etc., or the ... music were CALLS to the ROM beeper routine, I didn't ... -
Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
... allows you to specify a ROM to use, and most others ... allow you to use IF1 ROMs to test.
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... own rom from a list of all the roms included. (Shadow of ... /> - Known bug: Can't export ROM game to file. Scheduled to ...Disable IF1 with switchOk probably silly question time but if you don't ask you'll never know, I have the JS128 which is great and has a jumper on the board to disable the …
... have to keep unplugging the IF1 and other interfaces, at the ... have the IF1 with the Ramturbo and Ramwrite(has a ROM in ... one switch that disables the IF1 etc. and enables the onboard ...Interface 1 Network socketsI was just wondering if there was any practical use for these via connection to a PC, possibly either audio (I've not looked into what the output/inp…
... a raspberry pi to route IF1 network packets over Ethernet. Why ... erm "umph" in the standard ROM to take a great advantage ...Testing an Interface 1As title, is there an easy way on how can I test to see if its functional or not please ? :) Please bear in mind I do not have *any* microdrives n…
... functional because it prevents reading IF1 ROM. Faulty M1 would not be ... detected on the Spectrum without IF1 connected because M1 is ... this can come only from IF1 ROM, therefore M1 line is ... problems than just non-functioning IF1.
As for ...Bit of fun - one change onlyI also posted this on another marque's forum (for their products) to see. Its just a bit of fun really. OK, if you could of made one change to a S…
... 48K+ should of had the IF1 built in, so it was ... of putting the IF1 code into the ROM (afaik it was meant ... games do work with the IF1 attached but I've not ...Bit of fun - one change onlyI also posted this on another marque's forum (for their products) to see. Its just a bit of fun really. OK, if you could of made one change to a S…
... sorting the ROM out (NMI and maybe putting the IF1 code in ...New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... br />
1) Patch 48k ROM and copy into page/bank ... banks and includes the patched ROM routine):
1) Loader ... 0xdb00) to page/bank 7 (shadow screen only)
11) Directly ... paging on with original Amstrad ROM.
Batch Mode ...
