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+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... buzz when the spectrum is reset. Resetting is also fairly unstable ... until I performed a long reset (length could be a coincidence ... , but I reset several times).
One ... the clock pin on the z80, this now crashes the spectrum ... -
Rod-land - struggling to get working on my real +2 (grey machine)Hi Everyone, I've had a week enjoying tinkering with my +2 and there are only a few games I have not managed to play on my +2 that I enjoyed back …
... #-o I meant that the .Z80 all-in-one snapshot was ... pressing BREAK while performing a reset. -
How can I fix a problematic Retroleum Smart Card. I did not do anything "WRONG " with it but I did but it on a flexible cable and this seems to have "upset" it .Since then It does not perform the …
... the card slot and the reset and NMI buttons sticking out ... Card PCB has some black soft foamy tape on the back ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... on it). After that you reset Z80, and release /BUSRQ, at approximately ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... the Z80, release /BUSRQ then immediately put it into reset by pulling /RESET ... ). Then when you release /RESET, the Z80 will start executing your code ... -
The Diagnostic PCBIt arrived in the post today so this is my first go with the Diagnostic PCB. (bought on Ebay) This item , I think , does the same job as Retroleu…
... metal parts are made of soft alloy so are easliy put ... Plus as it has a reset button . The one I used ... -
Save 48k SNA from 128k Z80 snapshot?I have been doing RZX recordings of text-based adventure games. In the case of games made with GAC (Graphic Adventure Creator), where a map and solut…
... .sna file (first load your z80 snapshot, then save snapshot making ... because PC=0 is a reset. But maybe ungac can overlook ... -
Spectrum 128k advice neededHi, I'm new to this forum and the spectrum world. I have this spectrum "toastrack" that was working fine until today. It doesn't boot anymore, it s…
... Pin 26 (/RESET) and Pin 29 (ground) of the Z80? Take two ... you press and hold the reset button. It should normally be ... to the right of the Z80).
With the logic ... . Upon boot up, provided the Z80 can read and execute the ... -
Spectrum 128k advice neededHi, I'm new to this forum and the spectrum world. I have this spectrum "toastrack" that was working fine until today. It doesn't boot anymore, it s…
... continues.
pin 26 of Z80 gives me a read of ... go low when pressing the reset switch, but the screen keeps ... CPU shows activity, upon pressing reset it goes low.
12V missing on an issue 3I’ve been working on an issue 3 Spectrum +. It shows thin distorted vertical stripes on bootup. +5 and -5V are all right but the 12V line measures ro…
... that provides the power on reset, which you have already have ... vast majority go to the Z80. E.g. the sixteen address ... eight data lines, all the Z80 control lines. If not, I ...did the +3 disk system ever have any computer viruses?i think there were 2. i am also wondering how they were written. they must have been done in code.
Reset of the Z80 as such would not prevent ...Its Saturday, my favourite day, and I'm going to celebrate by playing...[url="https://www.worldofspectrum.org/infoseek.cgi"]Yeti by Cybadyne, 1988[/url] I did a random pick and this is what I got...
... you save a .sna or .z80 in the above demo situation ... a word or two, then reset the speccy and do it ...My NEXT isn't responding to my new PS2 mouseI don't have any idea what to do or where to look for advice.
... the fpga configuration in a soft state which is the hardware ... system. "TBBLUE.FW" is the z80 code that is run when ...Is it possible to make the Z80 execute a bizarre instruction?What happens when it gets an unrecognised instruction OP Code, I mean something following a #ED that isn't one of the undocumented instructions eithe…
... when they should (because the Z80 doesn't get into the ... anything though. You can always reset the machine and be back ...Is it possible to make the Z80 execute a bizarre instruction?What happens when it gets an unrecognised instruction OP Code, I mean something following a #ED that isn't one of the undocumented instructions eithe…
... . But even then, a reset (or power down/up) ... />
Because the Z80 is normally always running at ... and holding the reset button also stops the Z80. Go on, ... , you will not damage the Z80.
External ... can also stop the Z80. The Z80 has two pins ...Dos emulators / games & Win XPHaving just brought a new computer which comes with XP I am having difficulty running my usual spectrum emulator (Z80). When I run it, it runs in a D…
... running my usual spectrum emulator (Z80). When I run it, it ...Z80, TZX and TAP formatsHi again I?ve seen these three formats as the most common of all. The doubt is... Which is the best of them? What are the differences between them? …
Hi again
I?ve seen these three formats as the most common of all. The doubt is... Which is the best of them? What are the differences between them? Which should I take, if the three are available for the same game?
Thanks in advance againPocketClive bugHi... thought I would give all of you that downloaded PocketClive, the PocketPC spectrum emuator a small bug report! There is a bug that prevents …
... prevents you from seeing any .z80 files stored in the \Program ... .sna file and all your .z80 should appear as by magic ...Warajevo compilerThere is a problem by Warajevo Z80-compiler. I want to compile files with the possibility of record and load. I use an option / TAPE (/ TAPE!). Ever…
... is a problem by Warajevo Z80-compiler.
I want to ...Emulator compatibility with real SpectrumHi emulator programmers... Having spotted for the last 6 months that my iPAQ is still missing a Spectrum emulator I started typing last tuesday - an…
... is really simple (run the z80 for 69888 tstates, issue a ... z80 interrupt and update the display ( ... that I have converted a Z80 emulator found on the net ...RealspectrumI have a small problem with the Realspectrum emulator. I run it in a DOS shell within Windows 98 and just once in a while it locks up when I run it. …
... locks and I have to reset. Any ideas how I can ...Help with my first emulatorActually, when I say 'first' that's a bit of a lie - I used to own a mac and had Macspectacle which was dandy. Now, however I have a PC running Windo…
... emulator to use. I downloaded Z80 and that was a bit ...Joystick helphi...... I am trying to find a spectrum emulator that supports my Gamepad that i have plugged into my PC. Which is the best emulator for PC joystick/…
... ........i have tried r80 and z80 but (unless) i am doing ...Missing in action!!!!!!!!!From here, I hope gamers can exchange hard to find files with one another. Personally, I am looking for a TAP or Z80 version of Seymour goes to Holl…
... looking for a TAP or Z80 version of Seymour goes to ...Why so few open source Spectrum emulators?A couple of days ago I started to look into converting an existing Spectrum emulator to Pocket PC (mainly the iPaq) and ran into problems directly. T…
... some excellent emulators such as Z80 and zxz that I might ...
