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Toastrack problemMy toasty started behaving oddly last night. Basically typing random characters itself, I first noticed it when I had my divide+ plugged in and a con…
... . just had a look at 128 schematic. The keyboard matrix is ... to dedicated KBD pins of ula and uses pull-down resistors ... -
My divide killed my toastracknow it boots with garbage and z80 overheats a lot will replacing z80 solve it , or something else can be bad?
... you shouldn't have. The ULA is pretty robust, so the ... to start. But the toastrack 128 is a nasty bit of ... -
My divide killed my toastracknow it boots with garbage and z80 overheats a lot will replacing z80 solve it , or something else can be bad?
... you shouldn't have. The ULA is pretty robust, so the ... to start. But the toastrack 128 is a nasty bit of ... -
Outrun Europa in colourSwainy suggested that he'd like to try his luck with Outrun Europa colorful graphics and see if they can be improved. Let's give him the chance :) A…
... people feel that the Spectrum 128 isn't a proper speccy ... see new projects that are ULA+ only as you get a ... -
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.)
... />
@Guesser: I agree. The ULA makes the machine. And since ... is a superset of the ULA, any machine based on it ... (on the Timex and the 128 but not on the Pentagon ... -
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…
... successfully for 48 and 128K ULA. Both - early and late type ... screenshot from real ZX Spectrum 128, but I hope my emulator ... -
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…
... successfully for 48 and 128K ULA. Both - early and late type ... screenshot from real ZX Spectrum 128, but I hope my emulator ... -
Lot's of Sinclair parts and sparesI have really a lot spares at home, like: - ULA's - All kinds of RAM chips Many of these parts have already been tested. Most of these parts are pu…
... pieces and more.
- ULA (48/128 )
- Z80
€8 ... -
ZXMAK2 - ZX Spectrum Virtual MachineHi guys! I'm glad to present you new version of my emulator! :) ZXMAK Version 2.6.2.3 ([URL="http://zxmak2.codeplex.com/releases/view/88804"]downlo…
... want to load Pentagon 128 snapshot into Spectrum 128. This is really ... clone based on Pentagon 128 but with ULA taken from original Spectrum ... -
ZXMAK2 - ZX Spectrum Virtual MachineHi guys! I'm glad to present you new version of my emulator! :) ZXMAK Version 2.6.2.3 ([URL="http://zxmak2.codeplex.com/releases/view/88804"]downlo…
... want to load Pentagon 128 snapshot into Spectrum 128. This is really ... clone based on Pentagon 128 but with ULA taken from original Spectrum ... 128 :smile:[/QUOTE]
Perhaps you ... -
Most accurate timingWhich emulator is closest in timing to an actual (48k) spectrum? A count to 10,000 loop, printing the loop number each time on screen - same snapsho…
... ! It's PAL this, ULA that, 128 the other these days. No ... -
Most accurate timingWhich emulator is closest in timing to an actual (48k) spectrum? A count to 10,000 loop, printing the loop number each time on screen - same snapsho…
... ! It's PAL this, ULA that, 128 the other these days. No ... -
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…
... (this is external to the ULA, it's just some logic ... HAL chip in the original 128 ). -
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…
... shadow video RAM like the 128. The screen will only be ... remains limited of what Timex "ULA" can do as you can ... -
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…
... and 0xE000). On the 128 (had it supported hi- ... aowen;643846]Well yes. The 128 is a Spanish machine, ... .[/QUOTE]
Would Ferranti ULA be able to provide a ... even they did a new "ULA" for +3.
... more versatile machine than the 128, but the latter has ... -
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…
... BASIC IV tells the ULA to draw the picture from ... />
[quote]Would Ferranti ULA be able to provide a ... could have made a new ULA that would have worked. ... even they did a new "ULA" for +3.[/quote]
... who worked with the original 128 team in Cambridge at ... -
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…
... could have made a new ULA that would have worked. I ... add any modes to the 128.[/QUOTE]
But the ... used a new type of ULA anyway, so the stockpile argument ... were just using the same ULA (later produced with an Amstrad ... -
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…
... 's two screen displays. The ULA can render either screen irrespective ... the SE being a 2068/128 hybrid. -
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…
... 'm reliably informed that its ULA was to include the hi ... ]Funny that most people "discard" 128 basic ROM... and prefer to ... a few people who use 128 BASIC, but the UK version ... -
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…
Issue 2 ULA to DRAM address wiring
< ... correct multiplexer (required for correct 128 cycle refresh). The order within ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... it as well as your ULA book with big interest. In ... the known schematic of the 128 k and +2 versions of ... function referenced to your fantastic ULA book. Also it allows to ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... it as well as your ULA book with big interest. ... the known schematic of the 128 k and +2 versions ... function referenced to your fantastic ULA book. Also it allows ... before I opened up a ULA :-)
It's very ... close to the ULA design though!
... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... missed opportunity of implemention of ULA Plus, I think all people ... as well, as the Spectrum 128 has an RGB - output, but ... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... enhance the capabilites of this "ULA". For example, an AY-3 ... /> They are on the original 128, the UK model and the ... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... spin allow ULAplus on a 128, I was under the impression ... it possible for a real 128 machine? Would it have ... 48K have a less robust ULA than the 128K (the ... to be more 48K damaged ULA's and hence, more ... enought to keep the external ULA in sync with the internal ... -
Successfully updated Issue 2 48k to 128k?Thanks to the donation by PMSR and through the very patient teachings of Velesoft, I have updated the Issue 2 to work with 128k. However. I have yet …
... , heh. Okay, well on the 128/+2/+3 machines, if my ... me, the output from the ULA is mixed with the AY ... -
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…
... ;652737]That's true. 128K ULA are essentially the same as ... the 16/48K ULA, except for these points:
ULA, as half the clock frequency ... there less clearance in the 128 and +2? I mean would ... -
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…
... there less clearance in the 128 and +2? I mean would ... extra board, because the 128K ULA is a 48 pin DIP ... generating composite video in this ULA, it would only need the ... -
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…
... 128k machines - the ULA's of the two 128 toasties that I ... -
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…
... 128k machines - the ULA's of the two 128 toasties that I ... spanish 128K has a socketed ULA, tough.
