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Detecting presence of AY?I'm working on my first little demo for the ZX Spectrum. At the moment I'm aiming to keep the memory requirements low enough that it runs on a standa…
... (eg $ff). Most partial port decoding schemes rely on detecting a ... -
Packers againHi peoplez, I need a advice. I need a in-place compressor on PC which can pack Spectrum binary code similar to turbo imploder (ideally with included …
... you want is:
the decoding destiny will overwrite the encoded ... -
3 games from Mitchel Software not listed in the archiveThese 2 games: [url]http://www.mitchellsoftware.110mb.com/[/url] ("Games" section). Gumball guess DST: Deep Space Trading are not in the archive. I…
All 3 have been added to the database and upload queue.
Two of them consist of Direct Recording blocks, so proper decoding is still necessary (I'll have a go with TAPER if nobody else does). -
I/O port adress map of Spectrum and interfacesI'm looking for an adress map of all the used and unused I/O ports for the ZX-Spectrum. Many years ago I designed an I/O board for the Spectrum that…
... interface uses 16 bit adress decoding.
Unfortunately some programs do ... -
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... incomplete design (AY chip, AY decoding and EEPROM not done yet ... -
Zombi - Ubi Soft +3 versionD'oh! Close but no cigar. Did someone on here win this on eBay about 2 mins ago? I was hoping to nab it but just missed out. It's about the only game…
... !), but haven't finished the decoding yet. For now you'll ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... he was using lazy port decoding of course, because on the ... -
Divide CF cardsI have recently got a Divide but I'am waiting for my Compact Flash card to come form Amazon. However, the Divide states that the CF card needs to be …
... which have proper I/O decoding, but it seems to cause ... -
Divide CF cardsI have recently got a Divide but I'am waiting for my Compact Flash card to come form Amazon. However, the Divide states that the CF card needs to be …
... which have proper I/O decoding, but it seems to cause ... -
PZX on WOS ?Is the PZX format accepted on WOS, at least for new production ? (Sorry, if this is wrong section, it looks to me as most suitable for the question.)
... on the ULA, and fully decoding the lower byte of all ... -
Kempston problemsI built a kempston interface a while ago, and it works well, but suddenly, when I load sabre wulf, select kempston interface, the fire button seems t…
... 's minimum for kempston port decoding) or better is IORQ=0 ... absolutly best is use full decoding IORQ=0 + RD=0 + A7 ... -
Kempston problemsI built a kempston interface a while ago, and it works well, but suddenly, when I load sabre wulf, select kempston interface, the fire button seems t…
... am not doing the full decoding as you requested, and I ... -
Where can I get a DivIDE interface for my speccy?I keep using my pc to play back the tape images I have for the spectrum. But it would be nice to have a DivIDE interface so I could load the games fr…
... data separation
- Best adress decoding
- Reset button
- [URL ... -
ULA TEST 3 results on real hardwareHi guys, I'm writing small spectrum emulator and I wanna implement precise emulation for different spectrum models :-) I found nice test for conten…
This feature based on difference in decoding between INK and PAPER. There is difference between INK and PAPER pixels width inside 8 bit blockm so INK pixels looks a little brighter :smile: -
ULA TEST 3 results on real hardwareHi guys, I'm writing small spectrum emulator and I wanna implement precise emulation for different spectrum models :-) I found nice test for conten…
[QUOTE=ZXMAK;630730]This feature based on difference in decoding between INK and PAPER. There is difference between INK and PAPER pixels width inside 8 bit blockm so INK pixels looks a little brighter :smile:[/QUOTE]
Pretty much it! :) -
Contiki, non-existant web servers and zx spectrumafter visiting this site today, (a web server running on a c64 - [url]http://c64web.com/[/url] ) I realized contiki already available on most 6502 ba…
[QUOTE=guesser;634051]Or just carry on using a plain keyboard matrix which has worked fine for 30 years with no need for a bunch of chips decoding serial protocols :p[/QUOTE]
Well sure, but then you have to build your own keyboard. -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... Timex had full low-byte decoding, they had over 200 to ... which is full low-byte decoding, so a TS2068 has around ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... Timex had full low-byte decoding, they had over 200 to ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... related to improper port 77h decoding. Something in the 128K ROM ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... related to improper port 77h decoding. Something in the 128K ROM ... -
game with a fullscreen loader?any game with a loader that has loading stripes all over the screen, not just in the border? guess there were some, even with atypically coloured st…
... Speccy's crappy I/O decoding I have to restore the ... -
(Re) building a ZX Spectrum laserharpThe Cambridge show is nearing, and I want to bring my laserharp with me. Why? Because it's built around a ZX Spectrum +2: [IMG]http://benophetintern…
... input controlled by some adress decoding, and an R2R resistor ladder ... -
Spectrum 128 toaster and divide incompatibility problems with some demos and games.Okay so I got this thing now. It?s my first Spectrum ever. [img]http://img836.imageshack.us/img836/2016/speccyl.jpg[/img] [url]http://img824.image…
... entry points were triggered by decoding the CALL instruction to that ... basically abandoned the idea of decoding the CALL and instead just ... -
Spectrum 128 toaster and divide incompatibility problems with some demos and games.Okay so I got this thing now. It?s my first Spectrum ever. [img]http://img836.imageshack.us/img836/2016/speccyl.jpg[/img] [url]http://img824.image…
... basically abandoned the idea of decoding the CALL and instead just ... -
Sending key presses to the spectrumfor a project I want to send automated keyboard presses to the ZX via a micro-controller. Is it possible to send these through the expansion slot? …
... be connected to. Port FEh decoding is performed by means of ... -
Sending key presses to the spectrumfor a project I want to send automated keyboard presses to the ZX via a micro-controller. Is it possible to send these through the expansion slot? …
... be connected to. Port FEh decoding is performed by means of ...