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Minor Update to Gasman's Midi2BEEPDon't know whether this is worthy an announcement, but for those of you who enjoyed Gasman's midi2BEEP utility, a new variant has been made called mi…
... hardware as well as the 128 hardware, and one of ... /> out (c), e
out (ula), a
ret
[/code ... uses the partial decoding of 128 and the fact that the ... ports to write to the 128 and Timex register ports ... stack and sent to the 128's data port. The ... -
Emulating the 128KeIt occurs to me that I wasn't frequenting WoSf when I created the 128Ke standard, which means some people haven't heard of it. Here it is: [url]http…
... contention that crashes the original 128.[/QUOTE]
I ... the actual behaviour of the 128/+2 differs from what the ... to meet, then yes, the 128's contention pattern is 'wrong ... have relied on the 'wrong' timings.)
Incidentally, what ... -
Emulating the 128KeIt occurs to me that I wasn't frequenting WoSf when I created the 128Ke standard, which means some people haven't heard of it. Here it is: [url]http…
... be a specification that the 128/+2 failed to meet, then ... yes, the 128's contention pattern is 'wrong ... all I/O on the 128 was almost certainly a cock ... that relies on the 'wrong' timings in order to work correctly ... -
Emulating the 128KeIt occurs to me that I wasn't frequenting WoSf when I created the 128Ke standard, which means some people haven't heard of it. Here it is: [url]http…
... please?[/quote]
+2A timings
Floating bus support (needed ... 128K software than the original 128. It is also more ... 48K software than the original 128. The original Ultimate games will ... select 48 BASIC from the 128 menu (owing to accessing ... -
contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …
... Victoria worked on the 'correct' timings, because it was written on ... the manual when emulating a 128.[/quote]
[quote= ...
Probably the most popular 128 clone is the Pentagon, and ... 3 contention model than the 128 contention model because the I ... -
contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …
... -tried-just-now-had-broken-timings-elsewhere-when-I-tried-it ... software written specifically for the 128 contention model does indeed exist ... -
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... ]
[B]ZX Spectrum 128 (Toast Rack)[/B]
[code ... : 4B 8434 SCR168 / SCR166
ULA: FERRANTI 6C001E-7 8415
ULA: FERRANTI 6C00IE-7 8426
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…
... /> That's down to video timings. The original Speccy has a ... (8 hours, 40 minutes)
128 Basic / 128K: 1574523 (8 hours ... . You'd expect the 128 to be faster than the ... +3, but the 128 is slowed down by the ... Spectrum SE ROMs in your 128 not only will it ...Amstrad Toast Rack?Hello there my fellow WoS'ers Recently I have been very lucky with my brother giving me a Sinclair Spectrum 128K+ (Toast Rack), it needed a little a…
... such thing as an Amstrad ULA. As I understand it the ... in place of the ULA in the 128. Thinking about it, I ... from the TC2068 to a 128 to get the extra video ... isn't handled by the ULA, so that could be an ...Amstrad Toast Rack?Hello there my fellow WoS'ers Recently I have been very lucky with my brother giving me a Sinclair Spectrum 128K+ (Toast Rack), it needed a little a…
... find one of these ASIC (ULA) from the TC2068.... I have ... easier to just do the 128 compatibility mod to a TC2068 ...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…
... ) after the introduction of the 128 in 1985.
[quote ... for around 2 years. The 128 was on sale for less ... an obsolete dedicated part ... the ULA. Yes it's finally been ... of agree with you. The 128 was a machine created at ...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…
... that rely on 48 timings look wrong on 128 hardware. You also ... the 128 and +2 (which makes them a little closer in timings ...Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …
... the Timex ports or the 128 ports. Unfortunately Sinclair machines use ... is a write to the ULA. It just so happens that ... get a write to the ULA as well on Sinclair hardware ... /> out (c), e ;
out (ula), a ;[/code]
replace ...48k dots appear but not with CUB monitorToday I tried out an issue 3 and an Issue 2 with the CUB monitor, to my surprise they both worked flawlessly, now before when I tried them on any oth…
... usual, but as the ULA was getting hotter, more ... prototype-or-the-importance-of-ula-cooling[/url][/QUOTE]
... to do with the ULA generating timings for 4116's ... 4+ boards and their ula's had a timing fix ... remember this referenced in the ULA book)
...enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…
... chars is ideal for blitter (128 screen addresses). but i'll ... it and work out the timings.
The plan is ...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…
... known bug in the 128K ULA.
The 0xbffd test ... should be contended on a 128.... or is that the "bug ... pages are contended on the 128, whatever the manual might say ...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…
... known bug in the 128K ULA.[/quote]
For my ... it is high? (ie the 128 address decoding only considers A1 ...Sam Coupe clonesAnybody know of any Sam Coupe clones? If they are available, are their any available to buy at the moment? Should of posted this in hardware. Sorry,…
... clone. Architecture of SAM COUPE ula is not so hard. I ... (more than 128 colours)
- compatibility with Pentagon
- ula implemented in ...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…
... same test on a 48 ULA, because I don't have ... any spare ULA and it is well documented ... . You have written book about ULA 48 but it is impossible ... out any information about ULA 128 or ULA +3 or ULA in ZX Interface ...Emulation of ZX Spectrum 128+2 (grey)Please read this thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=35523[/url] result: exist 3 (or more) versions of grey ZX Spect…
... so with some clever timings you can make it so ... (contended):
- if ula show border area then IN ... (pull-up)
- if ula read videoram data and CPU ... read floating bus (if ula show border then write ... value #FF and if ula read videodata, then write ...Spectrum 128k+ Toastrack lower Beeper level?Does anyone know the easiest way of matching the AY and beeper levels? I'm guessing perhaps the easiest thing to do is lower the beeper line rather t…
... a method of modifying the 128+ to lower the beeper level ... has the wrong number of ULA pins for a start.
ULA pins, complete with the route ... trace the output of the ULA and found it does go ...Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…
... some gurus can do with 128 bytes of RAM and one ... NTSC / PAL thing obv. the timings messed with things had to ...Greetings all overheat problemsfirstly hello everybody and thanks for adding me to the forum dont know if ill be much use here but i hope so the problem i have or should i say a…
... hot?
2. Check the ULA - is it getting hot?
128 +2, originally I suspect the ... , so I changed the CPU, ULA... and still I had no ...Gauging interest: ZX EvolutionHi everyone. First of all I would like to introduce myself, since this is my first post. My name is Conrad, I'm from Vancouver, BC, Canada, and I hav…
... including functionality that is in ULA in original ZX. This allows ... with Pentagon and ATM features/timings. There is also ScorpEvo ... with Scorpion features and timings. To my knowledge, there ... no firmware with original ZX timings, so it is compatible ...Gauging interest: ZX EvolutionHi everyone. First of all I would like to introduce myself, since this is my first post. My name is Conrad, I'm from Vancouver, BC, Canada, and I hav…
... including functionality that is in ULA in original ZX. This allows ... with Pentagon and ATM features/timings. There is also ScorpEvo ... with Scorpion features and timings. To my knowledge, there ... no firmware with original ZX timings, so it is compatible ...New game: BozxleHere is a new game called BOZXLE which has been written within a week. The screenshots are of the game running on a 48K. This runs also on the 128 …
... sure he'll tune the timings up properly when it's ... with emulators, on a 48k/128+2B/+3 it actually works ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... with old ULA
OUT Linecounterport,128 = do interrupt after 128 lines was ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... with old ULA
OUT Linecounterport,128 = do interrupt after 128 lines was ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... /> [url]http://jbacteria.antoniovillena.es/128?hwscdemo.tap[/url]
2. The modification is ULA safe. So any old program ... /> 3. The changes in the ULA tend to be minimal, probably ... less FPGA space than in ULA+.
Of course this ...
