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New Game - Flame Princess Adventure TimeJust uploaded for BitbitJam3: http://jams.gamejolt.io/bitbitjam3/games [img]https://pbs.twimg.com/media/CmEWUF5VAAA8qcc.jpg[/img]
Hmmm. Bug time. tap and z80 file with Spin 0.666 ... fire the game will lock / reset
(reload)
Press ... the game will lock and reset.
Tried 48K and ... crash.
Instant lock up/reset happens when using keyboard QAOP ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
Not likely to be a delay in power up, as the Z80 CPU is held in reset long enough for the power rails to stabilise.
[b][i]Mark[/i][/b] -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... , do we agree that at Z80 reset (including power-up), the Disciple ... is quick enough, when the Z80 "captures" the instruction data from ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... with the scope on the z80 and there is an odd ... by one and when the reset line is disconnected all seems ... won't boot because the reset line is disconnected. -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... screen RAM.
The reset line problem is strange. Is ... the /RESET line shorted to something else ... />
You can hold the Z80 reset pin high via a temporary ... use a capacitor and temporary reset switch in order to allow ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
If I disconnect the reset pin, it stays in reset condition and 'looks ... />
Something is causing the z80 to act weird, but it ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... 't boot because the reset line is disconnected.[/quote]< ... to the Z80.
/NMI, /WAIT, /BUSREQ and /RESET are ... all inputs to the Z80 CPU. It cannot ... /NMI, /WAIT, /BUSREQ or /RESET, either something is intermittently shorting ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... measured things again and the reset and 5v line are "steady ... any problems, also when the reset pin is disconnected all lines ... think some signal to the z80 is not correct. The BUSREQ ... -
Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... measured things again and the reset and 5v line are "steady ... any problems, also when the reset pin is disconnected all lines ... think some signal to the z80 is not correct. The BUSREQ ... -
LgK image compressorOk people, i decided to make it proper thread since i've finally got something tested & useful for everyone. Here is my "chunky" ZX image compressor …
... data format for the universal Z80 decompressor. It's kinda big ... beware, the code can hang, reset the machine or quietly corrupt ... -
Speccy 128k Toastrack capacitorsDoes anyone have a list of all the electrolytic capacitor values in a speccy 128k toastrack they could post...I've looked around and see plenty for …
... 100V or 50V / 63V Axial Z80 /RESET
C28 22uF 25V Axial ... -
Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... [/url] with thousands of z80 asm functions; look for ... to be a good z80 programmer without knowing which ... observations:
* The z80 instruction set is not orthogonal ... 0 in buf
; carry reset no errors
;
; ... -
DivIDE 57c update and 128 games?Hi all, Lots of questions ahead!! :) I have found my long lost DivIDE 57c. I have put in my Spectrum 128+ and I spotted that it has 2005 Fat…
[quote="Pyjamarama;53482"]When I reset I keep going into 48K ... out is to get 128K Z80 and TAP files to find ... -
Speccy 128k Toastrack capacitorsDoes anyone have a list of all the electrolytic capacitor values in a speccy 128k toastrack they could post...I've looked around and see plenty for …
... 100V or 50V / 63V Axial Z80 /RESET
C28 22uF 25V Axial ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... to compress data (with matching Z80 decompression code), and a tool ... if you want to (with Z80 code to decompress). You would ... option to set the different reset/boot and button functions to ... menu.
Also have 'Reset to standard ROM' as another ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... , the long press, and the reset to boot into the menu ... know what you mean by 'Z80 compression'? Use any compression method ... a decompression routine written in Z80 machine code!
--
What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... keys
- Power and reset buttons as previously suggested
Z80 based computers. It is a ... multicolour screen modes using a Z80 DMA Z84C1008 running at 8MHz ...Which capacitors are electrolytic?Hi! I'm refurbishing my 48k issue 6a, and as recommended by many (and not recommended by some) I'm going to replace the electrolytic capacitors. Mind…
These C44&C45 are also electrolytic capacitors (100uF/16V).
C27 is between the reset line and GND of Z80 and its capacitance is 1uF (electrolytic one). Any capacitor with working voltage 10V or more would be fine.ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... .
alt-F11 is cold reset
ctrl-F11 is warm ... you can load tap and z80 files and mgt disk images ...Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…
... When it comes out of reset, it will have set ... data bus which the z80 will read and interpret ... machine cycles) that the z80 will perform in the course ... t do anything :- the z80 drives the activity depending on ... valid program before the z80 starts or you have ...Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…
... address 0 beacuse of the reset PC.
Ok. But there ... address buss. How would the z80 (or rather the system) know ... the address generated by the z80. There isn't a ram ... ROM signal pin on the z80(well Rd and refresh)to ...Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…
... address 0 beacuse of the reset PC.
[/quote]
... address buss. How would the z80 (or rather the system) ... quote]
The z80 has no idea where the ... 15 address lines while the z80 has 16. You'll ... chip to respond if the z80 addresses 32k and up, ...Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…
... ROM to address 0 at reset which holds a program whose ... to design hardware on your z80 computer to allow in-circuit ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... via a kempston interface with reset button does change the image ... />
- The ROM and the Z80 get a bit warm after ...West Bank only running with Kempston Joystick on ZX SpinI can get West Bank [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0005664"]worldofspectrum.org/infoseekid.cgi?id=0005664[/url] only to run w…
... (31) in MCode of WESTBANK.Z80 Snapshot.
On a ... RAM paging because the game reset the Spectrum after Gamestart if ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
That Z80 is not working correctly. /RFSH ... ) and that the Z80 gets a nice long reset pulse?
Z80 CPU.
[b][i ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... monitor the Z80 clock pin (pin 6) and the /RESET pin (pin ... the reset button. For a normal reset:
[quote="Zilog"]During reset time ... debounce the reset button. If either is faulty, the Z80 CPU will ... not get a good enough reset pulse.
Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... the nose. As for the reset pulse, I had to sample ... this still point to a Z80 fault?
Thanks ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... the nose. As for the reset pulse, I had to sample ... Z80 fault?
Thanks![/quote]
So clock okay and /RESET ... okay.
If your Z80 CPU is in ... , then I would say the Z80 is defective.
[b ...ZX ROM in 64 characters a lineDear ZXS users, I am glad the today's release is not only concerning MB-02+ as it is normally the case with me, but it concerns really everyone, sinc…
... .cz/other/64charromdivmmc.Z80[/url]
After software reset use POKE 23611 ...
