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What Spectrum to choose?Hi i'm new to the Spectrum. I read 'bout it in CDA (Polish game magazine) and watched LGR review of the 48k and it REALLY interested me. What model m…
... and the +2a is the floating bus, and more games than you ... the screen. With a +2a/+3, Amstrad fixed that "bug" and ... -
What Spectrum to choose?Hi i'm new to the Spectrum. I read 'bout it in CDA (Polish game magazine) and watched LGR review of the 48k and it REALLY interested me. What model m…
... uncompatible. Avoid.[/QUOTE]
The +3 isn't that incompatible, there ... . The biggest problem with the +3 is the awful AY output ... +2A is identical to the +3, and the +2B is mostly ... games, cause if *fixes* the floating bus, which is only there because ... -
What Spectrum to choose?Hi i'm new to the Spectrum. I read 'bout it in CDA (Polish game magazine) and watched LGR review of the 48k and it REALLY interested me. What model m…
... games, cause if *fixes* the floating bus, which is only there because ... fix for the +2a/b/+3?
[IMG]http://www ...
"To make any +3 compatible with all software that ... read from the video data bus, by means of three-state ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... have recently read that the floating bus fix means that a DivIDE ... better off starting with a +3 and "upgrading" the sound rather ... building a "back to the +3" board. -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... 48K Spectrum +, and a Spectrum +3.
I also have ... that my +3 has been modified to fix the floating bus bug (not ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... and install esxDOS
3) Get Guesser's Flash ROM ... the +2B sound mod, the floating bus mod, the joystick port mod ... commercial speccy software including the +3 disk versions. Technically the 128Ke ... and HiSoft BASIC +3), but since the +3 is the bastard child ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... +2B sound mod, the floating bus mod, the joystick port ... mod, and the expansion bus mod.
3 disk versions. Technically the ... 3 won't work with a DivIDE+ (possibly because the floating bus ... What's the expansion bus mod? Also, are ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... +3 won't work with a DivIDE+ (possibly because the floating bus mod ... deal with the +3 edge connector. The expansion bus mod restores the ... 128 instead of a multiface +3 for instance).
[ ... any definitive instructions for the +3 AY fix?[/quote]
... -
What model next ?Hi All I already have two 48k rubber kyed 48k Spectrums and a Grey +2 What to get next. ZX Spectrum + ZX Spectrum 128 Toast Rack ZX Spectrum +3
... ZX ignore reading and return floating bus). Ports acceleration can be ... for new replacement
3) connect on bottom side of ... (same as on ZX128+2A/+3)
- reading of port ... (same as on ZX128+2A/+3)
- new memory ... (same as on ZX128+2A/+3)
- I/O ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... my +3 to bits (yet again!) to see if the floating bus mod ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... my +3 to bits (yet again!) to see if the floating bus mod ... -
So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... compatibility bugs, such as the floating bus, which Amstrad naively "fixed" for ... the later, far inferior +3 models.
The Timex ... -
128K Contention - How to get it right?With my recent hardware hackery, I've built a 128K (toastrack) clone. I can't quite get the contention right though. What I'm lack is a clear descri…
... /> [code];; Distinguish between 128K and +3 by looking at the partial ... 0x7ffd"[/code]
[quote]3. What is fusetest "testing for ... (and doesn't on the +3). Well known bug in the ... port on the +3 (and that the floating bus value is read on ... -
Spectrum DIVIDE and Kempston Interface ProbsI got my DIVIDE quite a while back and was using it on a Spectrum +3, but noticed some games loading corrupt and not all games having proper joystick…
... improve the compatibility of your +3 by putting 2 copies of ... and soldering a wire for floating bus support so that games like ... -
NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…
... connector
+ through ZX bus connector
- kempston port ... with A5=0
+ 3 layers PCB
- S ... are unused = return part of floating bus value. PRINT IN 31 not ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
If your emulator supports the floating bus, you can try the first ... redraw, for sure (thanks to Woody by his help with this ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... 'll have to start implementing floating bus, flags 3+5 (MemPtr) and others ... -
same game diffrent versionwhich games have diffrent versions of the same game
... -released when Amstrad broke the floating bus.....[/QUOTE]
Yes, I ... -released to work with the +3 / +2a. -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... />
Don't believe the +3 diagnosis, this is because fusetest ... go as well. What about floating bus? Is that known to work ... -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... . Thus, the CPU clock is 3.575 MHz and there are ... go as well. What about floating bus? Is that known to work ... ?[/QUOTE]
FLoating bus cannot work as there's ... -
Kralizec, a MSX development group, publishes "MajiKazo" for ZX Spectrum[youtube]wJI30FyT7Qw[/youtube] It's a port from a MSX game called [URL="http://www.generation-msx.nl/msxdb/softwareinfo/3449"]MajiKazo[/URL] release…
... Spectrum models except +2A and +3 because [URL="http://members.fortunecity ... /shirka/LIBROS_EBOOKS/MANUAL_ESPECTRUM/floatingbus.html"]floating bus[/URL]. -
What was the best Designed Speccy???So what does the World Of Spectrum think the best Designed Spectrum was? [URL=http://imageshack.us/photo/my-images/845/thespectrums.jpg/][IMG]http:…
... Amstrad made in the +2A/+3. It's a shame about ... been the best since the +3 has the floppy controller :)
floating bus aren't features, they're ... -
Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
... a nice issue 2 Spectrum +3. I'm not sure if ... , is this the issue 2 +3?[/QUOTE]
Both Issue 1 ... games that need the floating bus on your +3 then yes... if not ... -
Use a +2/+3 case as a replacement keyboard for 48KI was just wondering if a 48K Spectrum motherboard could be housed in a +3 case, and somehow the keyboard be connected so that it could have a proper…
... =Alien 8;599801]
The +3 in my experience is notoriously ... is there to do anyway? floating bus "fix"... what else?) -
Maritrini and Cray 5 loading problemsHas anyone else here had issues loading either of these on a 128k? No matter what I try, both these games refuse to load properly. I can get both t…
... pair gets put on the bus after an instruction fetch for ... +3 would be immune, since they don't have the whole floating bus ... -
Maritrini and Cray 5 loading problemsHas anyone else here had issues loading either of these on a 128k? No matter what I try, both these games refuse to load properly. I can get both t…
... ULA snow will appear. The +3 and +2a do NOT exhibit ... behaviour, EVEN when secaria's floating bus fix is implemented (a resistor ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... 0x800 + 0x94fc
Machine type: +3
Contention offset: 0x08
Contented IN... passed
Floating bus... skipped (B=0x01)
Contended ... /> [/INDENT]
Is it my +3 a "late timing" exemplar then? -
Kralizec, a MSX development group, publishes "MajiKazo" for ZX Spectrum[youtube]wJI30FyT7Qw[/youtube] It's a port from a MSX game called [URL="http://www.generation-msx.nl/msxdb/softwareinfo/3449"]MajiKazo[/URL] release…
... by Lemonize, which uses the floating bus effect to synchronize with the ... /> Since +3 and +2A models don't have the bus effect, I ... -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... of the games in list 3 to work? [url]http://www ... some things. Others rely on floating bus, so the D7 resistor mod ... for +2A/+3 could fix some of those ... which work on stock +2A/+3 so I'll end the ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... delay routine. Cobra uses the floating bus reads but it can also ... newly-drawn background.
3. Hope that these graphics routines ...
