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Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... read a bit in the ULA+ for test if supported. And the ... bits of displacement, and the ULA start the frame with the ... -
TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... br />
TESTROM3 - utility for test your ZX memory
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128 test
again. You can ... .
TEST FIRST VIDEORAM
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Test only first videoram ... -
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…
... modified the btime.tap test by Jan Bobrowski to ... switching. The new test, ptime-128, produces different results ... 128/gray +2 and black +2A/+3, who will launch the test ...
The test needs to be performed for ... "]Download the ptime-128 test[/url] -
Preliminary MontyHey All... A new 2009 production (port from Atari) of a game called "Preliminary Monty" is out. It is a VERY nice platform game - with a bit "crude…
... /> kempston joy test example:
HALT ;after interrupt ula draw border and ...
AND #80 ;you can test only D7
JR Z ... basic with POKE commands.
Test joy in ZX basic:
AND 128 ;test only D7
LD BC ... -
128K Contention - How to get it right?With my recent hardware hackery, I've built a 128K (toastrack) clone. I can't quite get the contention right though. What I'm lack is a clear descri…
... 't tried the same test on a 48 ULA, because I don ... 't have any spare ULA and it is well documented ... . You have written book about ULA 48 but it is impossible ... out any information about ULA 128 or ULA +3 or ULA in ZX Interface ... -
Various Games to TradeHi Another list (this time with slightly rarer games =D), I am looking to trade for adventure games e.g. text adventures on 8-bit platforms (infocom…
... 40 Gunship Microprose Spectrum 48/128 Large Box Yes Slipcased box ... 43 Knightmare Activision Spectrum 48/128 Large Box Yes Double cassette ... Tunisian Campaign CCS Spectrum 48/128 Large Box Yes Large ... Tape Case Yes
128 Test Match CRL Spectrum 48K Tape ... -
Nooooo my speccy died!??!!Hi! I am quite sad. :( Tonight I got a kempston interface so I rushed home to try it on my spectrum+ The edge connector of the interface was narrower…
... 40%
ROM 40%
ULA 10%
I know ... fixed them, always changed the ULA then checked the voltages present ... voltages are present, change the ULA and test the computer. It may ... , the cause being a damaged ULA. Unlikely but possible.
To Winston , diag-interface.Hello to all, first, sorry for my english i'm from spain and my english is very poor. Wiston, thank you very much for your great work "diag-interface…
Hmmm. Can you video the entire test sequence (it should continue to do all 3 memory tests), and if possible a video of the screen when it does the ROM CRC/ULA interrupt test?Wanted: RGB to RCA for +2AI bought a +2A that, according to the seller, might have a problem with the modulator. When it arrives, I would like to try using the RGB output. The…
... converter cost *MORE* that the 128 + plus the shipping from the ... , and those groovy tunes... the 128 test page can only keep me ...Self Test Suite for +2I'm sorry if this has already been discussed before, I searched the forum but couldn't find any info: are there any test software to test +2 and get…
Paul Farrow's 128 test ROM is just awesome but ... and a cart (plug the test rom on the cart).
Keys don't work even with new membrane, HELP!Hi folks. I have a 1983 48k Zx Spectrum. It powers up fine, but none of the keys respond. I have tried fitting a new keyboard membrane from rwap, but…
... is right, you can test the board like he ... larger one.
Test continuity from each pin on ... the keyboard connector and the ULA. But...
... this is unlikely. Also test continuity from the bottom of ... effort of finding another ULA to test with.plus3e simple ide interface problemhi, I prepared a 8bit simple ide interface 3 days ago, but I got problems (with or without ide cable connected). 1.First of all, I have to press re…
... test.
- You might read what Ingo wrote about hot/weak ULA ... 's.
- Test your intf on another ...+3 FaultsI have some Spectrum +3s for testing - looks like they all need drive belts. One will not start up and shows a screen of yellowy green, then one of …
... +3 has a full self test. To get into it, you ... get into the standard Speccy 128 test.
If you then ... +3 has a comprehensive self test, which is mostly useless except ...Spectrum hangs upWhat might be problem when my ZX Spectrum 48K (rubber keys) hangs up after few minutes play? It had memory problems but i changed (or an expert did i…
... may be an overheating (defective) ULA issue. I had one of ... . If you dont have another ULA to test, install a heatsink on ...Spectrum 48k boots but small black dots start appearingAnyone any ideas where I should look first?
... to try another Z80 and ULA, or test yours in a known ...ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…
... /> My tester has temperature gauge. ULA was heated to 50? and ... /> For short test, you can use other type of ULA ( I put ... an 6C001 ULA to test if it ... use a 6C001 ULA.
P.D I test the issue ...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…
... should get glitching on a ULA 128, but not on an ASIC ... 128. Only SpecEmu showed up the ...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…
... />
Unless you have a ULA 128 + keypad, or a +2A/+2B ... ) and a version of the 128 editor ROM with three bytes ...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…
... ;652913]Unless you have a ULA 128 + keypad, or a +2A/+2B ...Rainbow Chaos(I so want to call this Law of Chaos to pun on lords) Anyway. Dunno if I'll make this. But if I don't /someone/ will want to. It's just too good an …
... The two issues on the ULA 128s are that the ... no glitching. On the ULA 128s the number is ... of the time the ULA 128 version will just seem a ... benefit to doing a ULA 128 specific version as the ... from Velesoft with the ASIC 128 contention model (and no ...coding guruOk I'm looking for a to help me in my quest to do my first proper game. The 80's child in me thinks he can do it, But the 2013 man in me knows zip. …
... ]1 page will hold a 128*128 map or more if I ... 're running on a ULA 128 or an ASIC 128 (banks 1, 3 ...ZX Spectrum+ new membrane not working properlyHi! I recently got myself a ZX Spectrum+ . It had the classic broken membrane problem (most keys didn't work and those that did were wrong). So I or…
... do not have another spectrum/ULA to test it. But I was ...Head over Heels on 128KI noticed an interesting behavior of Head over Heels on 128K Spectrums, especcially with +2A/+3 machines. The game works, but after loading game, lo…
... ="http://www.drumfu.com/HoH-128-Test-3.z80"]snapshot[/url] with ...Head over Heels on 128KI noticed an interesting behavior of Head over Heels on 128K Spectrums, especcially with +2A/+3 machines. The game works, but after loading game, lo…
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 …
... a spare ,same type , ULA to test . But it it did not ... back to the known working ULA and it did not work ... RAM chips (maybe only the ULA is sensitive in this way ...Multiface 128 problemHello everyone i have a 48k plus speccy which i firstly thought was working perfectly. It passed all the test of the official Sinclair test tape (cpu…
... all the test of the official Sinclair test tape (cpu, rom, ula, ram ... /> Today i bought a multiface 128 from ebay, On this particular ...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…
... :-)
I found nice test for contended memory - [URL="http ... /> - ZX Spectrum+
- ZX Spectrum 128
Please post results ...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, …
... make sure I got the ULA timing 100% right. We ... information about when the ULA actually fetches the screen ... I have prepared new test which can be used to ... owner would run the ptime test from [URL="http://zxds ... please run the btime test from the same archive and ...READ HERE! AUDIO IN FOR 128+2A???hey my name is Paolo and I'm from Italy..this is the first time that I post on this forum..I would like to connect or create an EAR input or somethin…
... THING
