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Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
Still a problem with the 48k Contention Suite program.
I get this...
[img]https://i.imgur.com/Z6lWGjj.jpg[/img]
when I should get this...
[img]https://i.imgur.com/T4y4F8T.jpg[/img] -
Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
... "]Still a problem with the 48k Contention Suite program.
I get ... not a bug. the IR contention test is triggering the Snow ... -
XPECCY (Lin/Win)im not author of this emulator. Contacts of author you may take on [URL]http://xpeccy.info[/URL] - non official home page. cpu: Z80: all (un)docume…
... Instruction Test Suite , it failed miserably on the 48k Contention Test Suite and doesn ... -
Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
... />
I ran the 48k contention test suite and it failed the R ... register test and the IR contention ... -
Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
... />
I ran the 48k contention test suite and it failed the R ... register test and the IR contention ... ]
What is the 48k contention test???? Where i can download ... -
Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
... />
I ran the 48k contention test suite and it failed the R ... register test and the IR contention ... ]
What is the 48k contention test???? Where i can download ... -
Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
... />
I ran the 48k contention test suite and it failed the R ... register test and the IR contention ... ]
What is the 48k contention test???? Where i can download ... -
Retro Virtual Machine is out!Fantastic emulator Retro Virtual Machine (@retrovm) is out today. It can emulates Amstrad/Sinclair models range. Give a try! http://www.retrovirt…
... />
I ran the 48k contention test suite and it failed the R ... register test and the IR contention ... ]
What is the 48k contention test???? Where i can download ... . I pass now the R contention test but not the ir ... -
New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…
... notably being a hellishly accurate 48k Contention model. Marko for his part ... -
"Real Tape" mode?I'm trying to use RealSpec32 and Klive's "Real Tape" mode feature, but I can't get my tape player to play correctly. Am I doing something wrong? Fo…
... and I have been testing 48k contention on a real machine, and ... -
Another fusetest runWould anyone with a real machine be prepared to try the latest version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.zip]fusetest[/url], my…
... + 0x9100
Machine type: 48K
Contention offset: 0x01
High port contention 1... failed (0xff)
... High port contention 2... skipped (B=0x01)
and for interest contention.tap:
[CODE]
... -
Manic Miner ZX81Hi Guys, Can anyone explain why [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0017539]Manic Miner ZX81[/url] is not able to reproduce the ex…
... doesn't fully emulate Spectrum 48K contention for instance), so the fact ... -
I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
... 48k Reference section in c.s.s faq describing I/O contention ... .
The 48k Reference states:
Contention pattern
------------+---------+-------------------
No | Reset ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... playing a bit with memory contention and floating bus stuff in ... the contention a few cycles earlier, namely 1 cycle on 48k and ... unfortunately ULA in my beloved 48k died long time ago.
C.S.S. 48k/128k [URL="http://www.worldofspectrum ... -
ZX Spectrum 48K clone and test resultsHi! This is my first post, so, first of all, I'd like to say hello to the whole community! I am Alessandro Dorigatti from Italy and I'm developing …
... developing a new ZX Spectrum 48K clone based on the information ... . some tests in FuseTests, IR-Contention) and others show some glitches ... : Fusetest is OK, IOcontention OK, contention OK, Float48K OK, FloatSpy OK ... -
28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... in rainbow effects on the 48k Spectrum, mainly from a ... character wide multicolour on a 48k ([url]http://www.worldofspectrum ... go wider on a 48k? I'm not really ... on ZX Spin as a 48k Spectrum. (Based on ... like crazy the moment the contention-free period starts. We ... -
Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... saw tonight while fixing a 48K issue 6 board.
48K board gets shorted. TR4 is ... the Z80. It fixes a contention problem (basically all I/O ... (well, now with incorrect IO contention due to the absence of ... -
Question of contentionI'm not desperate to go digging through technical descriptions in depth, but one thing bugs me about the Speccy's video contention model - and that's…
... about the Speccy's video contention model - and that's the ... .
Now on the 48K, there's 224 T (224 ... /> And then there's the contention pattern where the memory is ... 16, so that means the contention pattern covers a run of ... -
Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …
... reduce the effect of memory contention considerably. Possibly with the addition ... such a circuit to the 48K model, but perhaps the 128K ... -
Writing own emulator: Contention questionsHi! (I don't know if this message should be here or in Hardware) I'm trying to write my own emulator just for the sake of it, and I'm having pr…
... having problems understanding the memory contention in 48k, in instructions like JR ... /wiki/Contended_memory
In 48k JR, it says pc:4 ... is being used there for contention.
Thanks ... -
Are 128K games more likely to crash than 48K ones?Hey, guys. I've been doing some experimenting with various games and even some music demos and apps, and I'm beginning to reach a conclusion that …
... susceptible to crashing than their 48K counterparts, most usually resetting to ... am aware of the memory contention issues between the Sinclair 128K ... -
Emulator Comparison ChartHi. In a similar vein to [URL=http://www.ppest.org/zx/zxse.php]Piters[/URL] comparison of various ZX emulators, I've been looking at adding some deta…
... trying to test. For memory contention and display timings, Shock Megademo ... get (try in all of 48K, 128K and +2A/+3 mode ... /trunk/fusetest/]higher-level test suite[/url]. I believe no publicly ... ) passes the high-level test suite. I know Woody has something ... -
Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.
... br /> | Emulator | Fusetest | Z80 Test Suite | Total |
|------------------|----------|----------------|-------|
| 1 ... this is only on 48k. I don't know ... , including "High port contention 2". I need to ... -
Have a real 48k Speccy? yes ? I need your help.Im looking to run this quick test on as many [COLOR="Red"](only)[/COLOR] 48k Spectrums as possible [B][COLOR="Red"]files moved[/COLOR][/B] [URL="ht…
... originally wrote a suite of tests to check the contention values I ... other the 48k speccy I will do a diff test suite for ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... The timings are switchable between 48K Spectrum, 128K Spectrum, Pentagon and ... each one...
48K:
[code]Frame length 0x8000 ... memory? passed
High port contention 1? passed
High ... running Woody's Z80 test suite, the failures on the ... -
ANN: Spud v0.230Ok, another new Spud... [URL="http://bit.ly/16OFkuQ"][COLOR=#0066cc]http://bit.ly/16OFkuQ[/COLOR][/URL] [quote] v0.230 ADDED: Options. When selec…
... and Debugger windows.
3) Contention timings are a bit off ... .
4) Timing for the 48k model is also off a ... .net/downloads/timing_tests/"]Timing Test suite[/URL].
5) Printer and ... -
Keys in 48k mode for SpecEmu 1.2?Hello all, Does anyone know how to get the " symbol to appear when in 48k mode on Spec Emu 1.2? As you can imagine, it's pretty essential to be able…
... " symbol to appear when in 48k mode on Spec Emu 1 ... -
48K protectionWhich games were 'protected' by loading a full 48K block of code so that no copy program could fit in to memory? I know of 2 by heard. Pole Positio…
... 'protected' by loading a full 48K block of code so that ... -
Original rubber key 48k'sThis question is to some point academic; But i seem to remeber the original 48k Rubber Keys Speccy came in versions 1,2 & 3! (way back when, occasi…
... seem to remeber the original 48k Rubber Keys Speccy came in ... -
48k / 48k+ Keyboard MembranesCan anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ . I've just dusted them off after ye…
Can anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ .
I've just dusted them off after years in storage and the membranes on both machines have had it !
Many thanks in advance .
