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Saving in 48 mode to diskAs thread title. I did a little search but was not able to find anything, but you cannot really search for 48. Simple situation, I prefer to write b…
... basic then switched to 48 mode via "SPECTRUM" is there any ... -
ZXDS questions...Hi Folks, I am hoping someone on here knows something about [B]ZXDS[/B]. I have downloaded the program to my daughters [B]DSi[/B] (for testing purp…
... am using [B]128K+ [/B]mode). I have also downloaded my ... ]BASIC [/B]program and some test data.
I have ... -
Shadow ROM partial decoding not implemented in emulatorsOr at least, not implemented in Spectaculator, and it seems that not in Fuse too. [URL="http://www.speccy.org/foro/viewtopic.php?f=8&t=408&start=53"…
... main ROM, not floating bus (ULA/FFh), of a mirror of ... bytes. I did the same test using Spectaculator and it behaved ... microdrive cartridge to do this test using the same commands I ... -
Chris Smith's ULA talk - live today (Sat Jul 23) 4pm BSTChris Smith's talk on the Spectrum ULA at Euskal Encounter will be broadcast live today on the Basque country public TV's website! Sorry about the sh…
... 's talk on the Spectrum ULA at Euskal Encounter will be ... , and the second about the ULA and its reverse engineering.
csmith talks about games/ULA book on EITBHere is what looks like a very rough edit, courtesy of EITB (Basque country TV) with Chris Smith about the ULA book and game engines of back in the d…
... ) with Chris Smith about the ULA book and game engines of ...Please test your ZX128+2 (grey model)Please reset your ZX128+2 (grey) and write in 128 basic (or in USR0 mode): [B]PRINT IN 32765[/B] - if basic crash (black screen) then your ZX contai…
... 128 basic (or in USR0 mode):
[B]PRINT IN 32765 ...ZX games that work only in the USR0 modeExist list of ZX games that can't be loaded from 128 menu/128 editor/+3 basic ? (I need all games that need be loaded from USR 0 mode).
Exist list of ZX games that can't be loaded from 128 menu/128 editor/+3 basic ?
(I need all games that need be loaded from USR 0 mode).Need help with tzxing once again :)You people helped me so much in this thread witch a custom loader: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36109[/url] Maybe we…
... won't load in speeded mode, it is depandant on emulation ... another wav of game called Test Inteligencji, it loads into emulator ...Spectrum real speed testI don't have a real Spectrum, but I have a Romanian clone (HC-91). I always believed it was a perfect clone of Spectrum, but it turned out not to be…
... />
I made a speed test that can be downloaded here ... another Spectrum clone) run the test and post the values here ... you are interested in the test idea.
Thank you ...Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…
... calls when running in USR0 mode?
I ask because ... the DOS_OPEN call in USR0 mode when it works fine from ... ) but no joy in USR0 mode.
The paging part ... both +3 basic and USR0 mode I'm doing a CLEAR ...ZX81 Dark screen, could it be the ULA?Trying to get a ZX81 going for a mate of mine, already replaced the membrane (Cheers Rich!) but now its the old "very dark screen" problem, probably …
... " problem, probably caused by the ULA and fixable with the composite ... this could be a damaged ULA that his mod may not ...New ZX-ULA2An upgraded / replacement ULA for the Sinclair ZX81 is now available. The ZX-ULA2 is a direct replacement for the standard ULA used in the Sinclair …
An upgraded / replacement ULA for the Sinclair ... replacement for the standard ULA used in the Sinclair ... .
The ULA is a custom chip designed ... a ZX81 in ZX80 mode (with a suitable ZX80 ... 3.25Mhz. In SLOW mode, the computer will automatically ...Grey +2 video output and oddities.I've been experimenting with one of the above that I acquired years ago, but had just been buried at the back of a cupboard. I've connected it up to…
... the monitor to analogue RGB mode and the result was a ... when operating in TTL input mode, but it seems quite happy ... the transistor that pulls the ULA's /IOREQ line high when ... like this or was the ULA bug corrected for the +2 ...divIDE x Spectrum clonesAnyone has a Spectrum clone and did a test with divIDE? Here in Brazil we have 2 Spectrum clones (TK90X and TK95) that are almost 95-99% compatible w…
... Spectrum clone and did a test with divIDE?
Here in ... know that our ROM and ULA are slightly different of the ...Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... lower ram chips... maybe even ULA...
Of course, when ... them, and confirmed that the ULA from the faulty mbo worked ... socketed so I can' t test them on the other board ...Newbie QuestionsI have just purchased my first Speccy! It should be shipped to me (in the U.S.A.) very soon. I'm a ZX newbie & I have some questions :-D First of al…
... the Speccy? Is there some "test" TAP image I should run ... that the audio in 48k mode is different than in 128k ... mode. Further, I've heard that ...Strange behaviour in real hardware but not in emulatorsWell, at least not in any emulator I've tried. I've been reported by fellow forum member Macc that both our Maritrini Monster Slayer and Retroworks'…
... problem in emulators, unlike the ULA snow effect which can be ... between $C0 and $FF, the ULA gets confused and crashes can ... crashes? and How could I test the code if I change ...ULA snowHow is this feature implemented in emulators ? And how exact is the emulation ? I somehow supposed that ULA snow is something that is not very determ…
How is this feature implemented in emulators ? And how exact is the emulation ?
I somehow supposed that ULA snow is something that is not very deterministic in nature. But if one can emulate it (perfectly ?) then i was wrong.ZX Spectrum 128k Heatsink RGB behaviourHello, this is George from Greece. I have an 128k+ (Heatsink) and i use the rgb cable i bought from ebay on a 1084st monitor. As the monitor does …
... (fading). Also on the 48k mode.It is not very annoying ... games but...
I test the computer on a crt ... tv with scart input (to test if it has something to ... spectrum?
I will test the composite signal tommorow but ...Tech Demo of my Latest Game (FADV)Posted in development as technically not a new release just a tech demo of a new game I'm working on. Ok here a tech demo of my latest full game, i…
... to get you all to test it out so I can ... menu keys. 1-attack mode, 2-use mode, 3-tape menu (doesn ... anything yet), 4-look mode, 5-inventory mode. 1 and 2 will ... . 4 activates a look mode which doesn't do an ... need to be in attack mode. To manipulate objects on screen ...Help wanted: BIFROST* 1.1 on real hardware?[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027405"]BIFROST* ENGINE[/URL]'s latest release 1.1 implements support for all standard Spectr…
... a real Spectrum machine to test it properly.
test it, by running the ... the demo you choose to test:
[LIST]
... loaded in "48 BASIC" mode. Even so, you will ... even in "128 BASIC" mode. Thus I suggest testing one ...Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…
... day.
Changed ULA - did not help.
< ... program. For example RAM test from the archive (which ... german). It runs RAM test okay. Nothing bad happens ... guess.
Memory test runs find for a long ... ok.
ULA temp is about 48-50C ...For which Spectrum is this ULA?For which Spectrum is this ULA? Ferranti ULA 9RB015E 8428 Micky
For which Spectrum is this ULA?
Ferranti
ULA 9RB015E
8428
MickyFaulty Grey Spectrum +2 - help neededI have a faulty spectrum +2. I tested the voltaged inside - all check fine. Well, within some limit, +5 for example is 4.83, but all other voltages a…
... .
I cannot swap ULA because i don't have ... . I don't know is ULA for toastrack 128K is the ... . What's left? ULA and RAM.
Cannot test ULA and how not ...JSpeccy v0.91A new JSpeccy version has been released. Summary of changes, - The keyboard has been reassigned: Both SHIFTs == Caps Shift Both CTRLs == Symbol Shi…
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- At exit, the zoom mode & filters configuration is automatically ... described by csmith in his ULA Book with a more wide ...ULA Chips Wanted UrgentlyHello, I am looking for following ULA chips to repair my Speccies: Issue 2 board ULA5C112E 1 pc Issue 3B board ULA6C001E-6 or ULA6C001E-7 2 pc…
... /> I am looking for following ULA chips to repair my Speccies ... -7 2 pcs
ULA 2C158E for ZX81 1 pc ...ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…
... 200mv p-to-p. The ULA video output is a lot ... about 40-50mA in idle mode. I guess in normal operation ... mode it eats up to 0. ... when i connect the circuit. ULA is over 40C for example ...Fuse - Windows, In Fullscreen modehello to everyone, i am trying to run fuse in fullscreen, it says it has to be run in sdl mode for fullscreen to work, i've downloaded sdl and put t…
... to be run in sdl mode for fullscreen to work, i ...
