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MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... , you get two bits of MEMPTR in bits 5+3 of ... />
Emulating MEMPTR means you can pass a test suite that includes ... -
MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... there are no "I emulated MEMPTR" mugs or T-shirts available ... of their way to deliberately test it. So much so that ... do not show the same MEMPTR behaviour as the original CPU ... -
Precisely timed loops in assemblyI'm looking for a way to make my code stop until the raster has reached the lower screen border (right after having drawn the last pixel line). I und…
... /timingtest-0.2.zip"]timing test[/URL] program. There is quite ... way to go.
Patrik -
ZXDS 0.9.3 beta 1Hello, Today it's exactly five years since the [URL="http://zxds.raxoft.cz"]ZXDS[/URL] has come to life on my DS. To celebrate this anniversary, I h…
... . And then you have to test everything twice ever since, even ... ]
Thanks,
Patrik -
ZXDS 0.9.3 beta 1Hello, Today it's exactly five years since the [URL="http://zxds.raxoft.cz"]ZXDS[/URL] has come to life on my DS. To celebrate this anniversary, I h…
[QUOTE=Patrik Rak;612098]Well, not much, ... . And then you have to test everything twice ever since, even ... .)
...
Thanks,
Patrik[/QUOTE]
OK, ok ... :
Great work though Patrik.
Paddy -
ZXDS 0.9.3 beta 1Hello, Today it's exactly five years since the [URL="http://zxds.raxoft.cz"]ZXDS[/URL] has come to life on my DS. To celebrate this anniversary, I h…
... it? Every time I test something (and I test quite often), it ... watching some demos... :)
Patrik -
ZXDS 0.9.9 beta 1OK kids, here we go: Let me announce the latest and greatest [URL="http://zxds.raxoft.cz"]ZXDS release[/URL]. Mouse emulation, tape recording, stats …
Hi Patrik,
Just started testing ... I will install ZXDS and test MRT on my DSi XL ... -
The Collapse of Free Radical DesignFor anyone interested in how and why Free Radical (the console games developer, made up partly of ex-Rare employees) managed to go from the brillianc…
... out during my (admittedly short) test attempt. I didn't say ... been done before?
Patrik -
The Collapse of Free Radical DesignFor anyone interested in how and why Free Radical (the console games developer, made up partly of ex-Rare employees) managed to go from the brillianc…
[QUOTE=Patrik Rak;625435]Well, I haven' ... out during my (admittedly short) test attempt. I didn't say ... been done before?
Patrik[/QUOTE]
Nothing is ... -
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…
... , both flags and MEMPTR section.
Rotatrix4 test works fine and also ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
[QUOTE=Patrik Rak;321132]OK, I became ... I put together a quick test for finding the a,b ... reasonably well on the Diehard test. Here is the Z80 code ... register:
[/QUOTE]
Patrik have you calculated the a ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
[QUOTE=Alcoholics Anonymous;630118]Patrik have you calculated the a, ... , one of) of the diehard test, to make sure the [B ... /> Hope that helps.
Patrik -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... then subjected to the diehard test, picking up only those which ... than 32bit number.
Patrik -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... dice, etc. More complex test might be if you randomly ... generator passes that particular quality test. If the answer on the ... flawed with regard to this test. It's quite common ... 's not even worth to test it with diehard - but ... aiming to fill.
Patrik -
MEMPTR tests for emulator authorsI've recently been completing my MEMPTR implementation and have written a series of tests in [URL="http://homepage.ntlworld.com/mark.woodmass/z80test…
[QUOTE=Patrik Rak;659726]I was wondering ...
OK, I decided to test it myself, so I finally ... and loaded the Woody's test and surprisingly everything passed. As ... up with a more thorough test tomorrow.
Regarding ... later as well.
Patrik -
MEMPTR tests for emulator authorsI've recently been completing my MEMPTR implementation and have written a series of tests in [URL="http://homepage.ntlworld.com/mark.woodmass/z80test…
... his hands could write a test to prove this thoroughly. I ... ? Jon? Any volunteers?
Patrik -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
Well, having finally nailed the MEMPTR few years ago, just because ... granted for years...
Patrik -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... read in several places that MEMPTR is just another name for ... /documentations/devices/z80/z80.memptr.eng.txt"]MEMPTR, esoteric register of the ... a tool to improve ZEXALL test results in case -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
[QUOTE=Patrik Rak;666527]Of course, ... being practically useful, like MEMPTR emulation is. This was ... emulator authors...
Patrik[/QUOTE]
I' ... Things like the behaviour of MEMPTR have allowed me to see ... Z80, is uded by MEMPTR (e.g. the WZ ... -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... I thought Patrik had more or less stumbled over this MEMPTR business ... understanding of how this WZ (MEMPTR) register is used. :???: -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... code with few more test vectors, to test SCF and CCF alone ... should really put it to test. It's already getting late ... wait for tomorrow.
Patrik -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... to fill in all the test vectors. I was hoping that ... proper polynomial residue.
Patrik -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
[QUOTE=Patrik Rak;667290]Meantime, I ... to fill in all the test vectors.[/QUOTE]
... The test vectors took quite some time ... finally finished. The test now features about 150 test vectors and thoroughly ... CPU behavior.
Patrik -
SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
[QUOTE=Patrik Rak;668337]The test now features about 150 test vectors and thoroughly ... =41834"]here[/URL].
Patrik -
New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…
... /> The surprise has come with MEMPTR tests. The text description is ... /OUTs I need to load MEMPTR with BC register incremented by ... . For the conditional relative jumps, MEMPTR is loaded with the target ... the new tests. Thanks to Patrik by his hard work.
New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…
... surprise has come with MEMPTR tests. The text description ... the conditional relative jumps, MEMPTR is loaded with the target ... how it works - the MEMPTR is loaded only when " ... />
[QUOTE]Thanks to Patrik by his hard work.[/QUOTE ... indeed.
PatrikNew Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…
[QUOTE=Patrik Rak;669002]Hmm, not sure what your MEMPTR docs say, but ... exactly how it works - the MEMPTR is loaded only when "jumping ... to create indeed.
Patrik[/QUOTE]
From the ... IN/OUT variants. Anyway, the MEMPTR doc can be clarified a ...New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…
... IN/OUT variants. Anyway, the MEMPTR doc can be clarified a ... think about that :)
PatrikSCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
[QUOTE=Patrik Rak;668337]If an instruction ... /> Of course, the Z80 CCF test I posted would detect incorrect ... clear as possible.
PatrikGames with K-MOUSE supportHere is modified 128kB TAP version of IRON LORD with new mouse driver controll. All parts with cursor are controlled only with K-MOUSE. Any mouse but…
[QUOTE=Patrik Rak;670819]From [url]http:// ... />
Patrik[/QUOTE]
OK, I see also joystick test. You ...
