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Timing of Timex Computer 2068Is the timing of the Timex Computer 2068 fully documented yet? I have one here with the ZX Spectrum Emulator cartridge and have downloaded a few test…
... like the 6C001 ULAs. The contended memory timing seems to be ... . I'm wondering how to test the contended I/O timing. Plenty ... -
How to test Z80 Code?Hi All, Is there a way to test a block of z80 code (nothing speccy specific in it) with many different inputs? The reason I ask is that I'm writing…
... /> Is there a way to test a block of z80 code ... -
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…
... be an issue with the contended memory not working as it ... [/url]
I implemented contended memory simplistically but I'm ... check if the access is contended and if so I slap ... an index.
My contended table is correct.
My ... -
Test EpromHi, where can i get test eprom for spectrum/timex machines? I have a programmer. Thanks, Chapas
Hi,
where can i get test eprom for spectrum/timex machines?
I have a programmer.
Thanks,
Chapas -
+2A shows test screen and beepsNew day, new problem. A +2A, which seems to be in good condition, shows the colored test screen when powered-up and beeps about once every second. Am…
... good condition, shows the colored test screen when powered-up and ... -
Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…
... extend the functionality of the test ROM used with Winston's ... diagnostic board to also properly test the RAM of toastrack and ... . No indication of what's contended and what isn't, or ... what corresponds to contended/uncontended memory.
Could ... -
New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... , however I have prepared new test which can be used to ... owner would run the ptime test from [URL="http://zxds.raxoft ... timing, please run the btime test from the same archive and ... -
Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... findings. I've been investigating contended memory timings on the Timex ... whether the CPU is accessing contended video memory or "uncontended" ROM ... might as well call this "contended ROM".
This solves ... -
test screencan someone help? iv got a spectrum 128k +2 B i found in the attic form whenn i was a kid. it powers up only it starts on the test screen with out me…
... only it starts on the test screen with out me starting ... -
ZX spectrum test programHi all Is there a program to test the spectrum keyboard inputs, ram chips etc? Ta B
Hi all
Is there a program to test the spectrum keyboard inputs, ram chips etc?
Ta
B -
Test screens for ZX PrismNot sure that this is *really* the right section for this request, but it's relating to new hardware I'm developing so let's start it off here - a mo…
... means I need test data...
To test 256x192 is easy ... use an SCR file. To test 512x192, 256x384 and 512x384 modes ... the 4 SCRs for a test planar screen, that'd be ... -
test software incompatible with 2aDoes anyone know if I test software on zxspin in 2a mode it will, in real terms, show me what will and will not run on a real 2a? I have acquired a 2…
Does anyone know if I test software on zxspin in 2a ... -
ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... [/url] -- raster and ULA contended memory emulation for original 48k ... rasters.
2. Contended memory works only if you ... : for some help with raster/contended memory
Mike ... your very valuable insight into contended memory topic and useful ... -
New 48K Spectum emulator on the Windows StoreHi, I've just uploaded a new "Free" Spectrum 48K emulator to the Windows Store, see: http://apps.microsoft.com/windows/en-gb/app/specwin48/4d54…
... /> I've read all about contended memory but as yet haven ... one I have something to test against.
I would ... -
Spectrum +2a stuck on test cardHi all. Got a +2a from eBay. Cleaned it up. Switched it on and can't get rid of the test card. When you press the reset button it resets and goes str…
... 't get rid of the test card. When you press the ... goes straight back into the test card again. Anyone got any ... -
[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... knowledge base.
[b]Test it and please let me ... ’. The emulator pass all the test i have found.
‘Snow ... bus’
Emulation of the contended memory timings.
Pixel to ... -
ZX Spectrum 2+ Stuck on Test ScreenHello, I hope you can point me in the right direction. I recently purchased a ZX Spectrum 2+ which I've never owned before or used. After booting,…
... , it gets stuck on the "test screen". After doing some reading ... is the screenshot of the test page I am seeing: http ... -
ZX Diagnostics v0.33 releasedHi everyone, I'm pleased to announce the release of v0.33 of zx-diagnostics. This release contains the following changes: - ULATest: Detect …
... br /> - ULATest: New tape test - black and white stripes follow ... br /> - ULATest: New addressing test - check that ULA does not ... joysticks to select test card/ULA test as well as ... +2A/+3 were also triggering contended fail notifications
- Bugfix: ... -
+2 Gray ProblemI'm trying to repair a +2 gray that behaves differently at every boot up. Some rare times I can get the selection window but pretty soon the characte…
... around.
After the test run I got "[b]Bad ... ? It must be on the contended RAM part since its causing ... -
ZX-Uno first impressionsZX-Uno first impressions Hello: I received my ZX-Uno last Saturday and I wanted to give everyone my first impressions of this latest ZX Spectru…
...
You have hardware test
Memory
Sound
Keyboard
Timing
Contended RAM
DIVMMC
NMI ... -
Sinclair ZX Spectrum 48k in MINT condition + box of 7 original TAPES: just use for test it.http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=172483906363 Probably the best condition of a Speccy (rubber keys) I've ever seen in my lif…
... Speccy and cables: PERFECT (just test if works), brilliant colors, no ... -
30th Anniversary - TEST DRIVE "Let's Play" Video.Hi everyone, cannot believe It's now the 30th anniversary of Test Drive which was released back in 1987 by Accolade, so because of this I decided to …
... now the 30th anniversary of Test Drive which was released back ... enjoy it, happy 30th birthday Test Drive.
https://www ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... knowledge to make an ideal TEST SPECTRUM PCB so rare chips ... to make a good Spectrum Test Board and what need to ... -
Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…
I modified the btime.tap test by Jan Bobrowski to explore ... of screen switching. The new test, ptime-128, produces different results ... /+3, who will launch the test on their machines and share ... cycles more.
The test needs to be performed for ... -
Less MIA - Test Master (1988)(E&J Software)[+3 disk]Hi all, in short we have .... not best bright star on the game sky but count as old recovered software :) inlay [img]http://forest.no-ip.org/w…
... .no-ip.org/wos/tm/Test%20Master%20(1988)(E%26J ... .no-ip.org/wos/tm/Test%20Master%20(1988)(E%26J ... -
why cant i get the +2a / +3 self test program to work on an emulator?ive tried 2 different emulators. i can get to the test pattern but thats all. holding the keys does nothing
ive tried 2 different emulators. i can get to the test pattern but thats all. holding the keys does nothing -
Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... 've knocked up a small test program just to satisfy my ... and will display one of "Test passed!", "Illegal interrupt response" or ... 'm kind of hoping for "Test passed!" on real hardware!
