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Test card screenStarted off just messing about in order to test a machine. But ended up with this: [code]10 FOR a=0 TO 0 STEP 0: PAUSE 1: BORDER 1: BORDER 2: BORD…
... messing about in order to test a machine. But ended up ... -
Is spectaculator emulating the +2 correctly?i remembera few games that would crash when running in 128K mode, due to a bug in the hardware of the grey +2, hence it being replaced with the +2a. …
... I register pointed to any contended page. The above source line ... got no snow on my test program :(
Cheers,
Announce: EmuZWin 2.4.1.0 with exact AY soundEmuZWin 2.4.1.0 with exact AY sound released today. In "exact sound" mode, should be very, very close to real sound. (My ears are sick, my head is sp…
... off and contended timing too. So it is better to test first ...Announce: EmuZWin 2.4.1.0 with exact AY soundEmuZWin 2.4.1.0 with exact AY sound released today. In "exact sound" mode, should be very, very close to real sound. (My ears are sick, my head is sp…
... , these models distinct only in contended timing a bit (at least ... in another - may be for test purposes, may be just because ...SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …
... of which is contended, and another is non-contended, entire instruction is ... fetched without contension. Simple test shows that this is not ... instruction is located in a contended memory, I find that ... itself is executed from non-contended memory: in my opinion ...A few questions regarding EmuZwinI had posted this in the development forum and then remembered there was an emulators forum, so apologies for the repetition. 1. I have been trying …
... have something to do with contended memory, but don't know ... 's almost certainly due to contended memory. See the CSS FAQ ... /> [/quote]
You can test an emulator's floating bus ... emulation accuracy using Ramsoft's test program:
[url="http://www ...Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
... tell you which cycles are contended:
[url="http://homepage.ntlworld ... start and end cycles to test in the program before running ...Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
... every time.
A test on real 48K/128K hardware ... the Timex machines have different contended memory areas? I need to ... needs to be in non-contended memory when it runs.
Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
... Woody wrote:
A test on real 48K/128K hardware ... the Timex machines have different contended memory areas? I need ... to be in non-contended memory when it runs ... each tstate to be contended, by the looks of ... if the number of contended cycles varies at all.< ...Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
Dunny's run the test on his +2A machine ... />
14363 to 14369 contended
14370 uncontended
14371 ... to 14377 contended
14378 uncontended
... cycle period. I'll test the 48k later on."
Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
Nothing doing with this last test anybody?
It's ... see if cycle 14489 is contended on a +2A then that ... emulator POV it's simply contended on cycle 14361, then 16x ...Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…
... .
Btw. I updated Fuse test once - replaced super sign (thumb ... C (Close) in field about contended mem. em., because later I ... demos - it is described in test :)FuseX on the Xbox :releases, testing and feedbackI'm creating a new thread here to continue on from the thread about emulators on the Xbox ([url="http://www.worldofspectrum.org/forums/viewtopic.php…
... 128 because it has no contended memory. It features a clone ... -Box and therefore can't test, perhaps you could tell me ...RealSpec start upI understand that you can add a start-up line to initiate the version, mode,interface etc; for RealSpectrum but I'm a complete ham with emulators, a…
... ZX Spectrum demogroup.
CPU test: Intel Pentium 4 2392.3 ... Discovery emulation
-fastmem : disable contended memory emulation
-nopause : skip ...R Register, Contended RAM and ClonesHi. I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - there …
Ok, just done another quick test and it is the HALT ... R-register because of the contended RAM. Each instruction executed should ... that it executes internally. If contended memory has been accessed during ...RealXThis may be a dumb question but will RealX ever get released?
... the low byte, point at contended memory, shall be called a ... .
We cannot obviously test RealSpec's snow effect as ... is none, but we did test the "snow contention", and you ...Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... less contention points, it is contended during [B]complete frame[/B ... to +3.
Some real test would help.Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... Z80 to do a self-test, but displaying results on LEDs ... be perfectly in sync for contended memory (since the ULA will ...Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... Z80 to do a self-test, but displaying results on LEDs ... be perfectly in sync for contended memory (since the ULA will ...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…
... be off, not some (contention test they perhaps used for the ... a delay before a single contended instruction and then measuring the ... />
BTW, as a quick test, could you try to run ... (because that T-state is contended by the memory contention!!)[/QUOTE ...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…
... off, not some (contention test they perhaps used for ... 14341 is uncontended. Every test program I run says ... ]BTW, as a quick test, could you try to run ... if you understand how the test was carried out.
contended IO.
...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…
It's the new contended memory test I wrote this afternoon that I'm interested in here (although the contended IO one may be interesting as well) :-)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…
... Harlequin is not enough. The contended instructions seem to align correctly ... the other hand, the float48k test, run on the same machine ...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…
... case. Is the first cycle contended according to the memory contention ... FE gets the second cycle contended due IO contention and the ... #7FFF gets all cycles contended due memory contention.
... needs to use slightly different test for memory contention in ...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…
... whether the entire instruction was contended (contended according to certain criteria, ... is multiple points which are contended during the instruction (per ... simple way of doing the test is to measure the ... then you do the same test over and over, increasing the ...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…
... ]
In fact, the test I wanted you to try ... /> [QUOTE]... The first will be contended, the second not - so you ... to measure the number of contended cycles ...[/QUOTE]
You ... are two uncontended cycles, then contended one again. Which is not ...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…
... for longer before running the test?
I can't ... LDIR, which has five single contended "steps" at the end?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…
... 're revelation about T1 being contended and the others not, and ... T state that was being contended.
Are we positive ... about T1 only being contended for memory access???
test.
I'll get ...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…
... /> ulatest 2/3 - shows 7 contended memory cycles.
No ... that. I'll defer this test until I've implemented the ...
