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Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... at 21 T-states (plus contention, so 24T a lot of ... Debugger screen - but doing some tests against documented command timings, that ... -
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…
... or 4=SpecEmu), thus it tests 4 possible combinations of settings ... EightyOne doesn?t emulate memory contention properly, so I doubt it ... -
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…
... ae.krakow.pl/~jb/qaop/tests.html"]this version[/URL] ... "]here[/URL]) to measure "contention offset" on a few emulators ... 1.0a: complains about "negative contention" :)
[/LIST]
Is ... that fusetest does not measure contention properly, and Spectrum +3 ... -
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…
... ae.krakow.pl/~jb/qaop/tests.html"]this version[/URL] ... here[/URL]) to measure "contention offset" on a few emulators ... that fusetest does not measure contention properly, and Spectrum +3 ... confident about fusetest's contention measurements than about emulators ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... /> Machine type: unknown
Contention offset: 0x00
... ae.krakow.pl/~jb/qaop/tests.html"]here[/URL]) on ... [/CODE]
Thus both tests indicate that the exact frame ... Unfortunately they also show that "contention" and "iocontention" from fusetest ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... -collecting friends :lol: What tests should we run?[/QUOTE]
The tests are as follows:
contention pattern (although contention detection didn't ... .ae.krakow.pl/~jb/qaop/tests.html"]this page[/URL] ... -
Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…
... due to nature of FUSE tests. maybe i'll change API ... set some 'default' callbacks for contention and so on. -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... www.mediafire.com/?o4443w1gsetsj9p"]these tests[/URL] based on [URL ... a real TK90X, these tests produced the following results:
tests are executed on a ... indicate the same contention pattern, since a different contention pattern (for ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... main screen access regardless of contention.
Moreover, the ... Also Flavio Matsumoto repeated the tests after waiting for the TK90X ... variation was identified in previous tests either. I believe we ... would have to repeat these tests in a hot summer ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... ]
I just executed all tests in latest version of SpecEmu ... is correctly emulating that memory contention and main video updates in ... by 1T-state. According to tests, the TK90X border timings are ... -
Spectrum +2 EPROM in Spectrum +2AHi, My friend Marc bought a +2A from Tim Abbott at the Spectrum 30 event. Back in the day there were companies selling +2 ROMs to put into +2As to r…
... GAL unrainer that alters memory contention and my DivIDe is a ... load correctly on all 4 tests
modded Grey +2 ... is does the (incorrect) memory contention exist on all grey+2 ... -
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…
... issue. To load demos and tests, I've used a DivIDE ... external interface.
FUSE tests showed I have some issues ... ) at 0x3800. Spectaculator shows me contention at one cycle before
tests I've used: the Overscan ... -
Zero 0.5 ReleasedAfter a bit of a hiatus, the next update of Zero is now available [URL="www.ramtop.wordpress.com"]here[/URL]. Feedback and bug-reports appreciated! …
... when I was doing some contention timings tests.
The ULA ... -
Zero 0.5 ReleasedAfter a bit of a hiatus, the next update of Zero is now available [URL="www.ramtop.wordpress.com"]here[/URL]. Feedback and bug-reports appreciated! …
... when I was doing some contention timings tests.
The ULA ... -
Zero 0.5 ReleasedAfter a bit of a hiatus, the next update of Zero is now available [URL="www.ramtop.wordpress.com"]here[/URL]. Feedback and bug-reports appreciated! …
[QUOTE=Arjun;689548]Turns out that I'd forgotten to uncomment the ULA Plus code for 128k and above, which I had commented when I was doing some contention timings tests.
[/QUOTE]
Glad it's not just me that does that... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... between border output and the contention pattern, which I believe ... 0x4000?0x7fff, detail of the contention pattern and its synchronisation, ... whether spurious contention is applied as per the ... br />
[QUOTE]The tests for 50 Hz mode of ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... there to check for possible contention fluctuations, but it hardly applies ... /> I intend to repeat all tests following your kind advice, but ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... until you find where the contention starts would be great, too ... />
I suggest repeating all tests for the following values (changed ... is important to confirm that contention doesn't start earlier than ... should cover the first entire contention cycle. -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... 692662]I suggest repeating all tests for the following values ... important to confirm that contention doesn't start earlier ... contention cycle.[/QUOTE]
OK, I made all the tests ... tests. For tests beginning in 8690 and 8850, the awaited contention ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... !
I repeated these tests on SpecEmu version 3.1 ... tests? I'm wondering if a peripheral could have affected IO contention ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... tests? I'm wondering if a peripheral could have affected IO contention ... -
Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…
... .
This is reason why contention can be learned very easy ... .5.6) the contention is not accurate, 7 tests fail (2, 3 ... .5.7 version mention no contention fixes.
I used ... reference from Arjun and my contention is now sorted thanks all ... -
Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
[QUOTE=introspec;720130]My tests are still not detecting Timex TC2048 (I wonder ... -
Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... specific memory contention patterns. In addition, I do several port tests etc ... all the information from these tests. -
Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... was unhappy with the ROM tests too. Hence, I wrote a ... , it generates differing amount of contention on 128k and on +3 ... (due to their different contention patterns). I start this loop ... delay during the very first contention. The difference is just a ... -
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 ... Spud failing some of the tests in the [URL="http://www ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... and software written for the TC2048 (read port #FF to determine ... to fake the effects of contention via the clashbasher by using ... ULAplus ULA fitted ie double contention. :o[/quote]
Given that ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... . If the spectrum is in contention the clock stays low and ... did some earlier clock regeneration tests just using a purpose designed ... if the maximal amount of contention was happening. -
Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …
FWIW, ZXDS passes all the tests. Well, it passes test 35 ... + is disabled, and it passes tests 36 and 37 as long ... spent on figuring out the contention details [URL="http://www.worldofspectrum ... point is to test the contention timing, not the emulation of ... -
Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …
... ]FWIW, ZXDS passes all the tests. Well, it passes test 35 ... + is disabled, and it passes tests 35-37 as long as ... spent on figuring out the contention details [URL="http://www.worldofspectrum ... point is to test the contention timing, not the emulation of ...
