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+3 disk drive belt replacingwell, I tried replacing the belt but some piece fell out of the drive. I don't know from where :( . It looks like a small screw but without the groov…
well, I tried replacing the belt but some piece fell out of the drive. I don't know from where :( . It looks like a small screw but without the groove.
it happened after trying to remove PCB.
where does it go? -
A good site with Z80 ZX Spectrum 48K tunesI found this good site; [url]http://z80.e-demo.pl/[/url] ; I listened to a few tunes yet, and I am [B]AMAZED![/B][B]To me it sounds WAY BETTER THAN A…
... this good site; [url]http://z80.e-demo.pl/[/url] ; I ... would add a second dedicated Z80 chip and ULA for beeper ... be if there were two Z80 and ULA chips that would ... -
.Z80 format question for 128KHello!!! I am working on my ZX Life Shield utility to make it compatible with .Z80 snapshots. I have sucessfully coded .Z80 48K snapshots, but for …
... to make it compatible with .Z80 snapshots.
I have ... sucessfully coded .Z80 48K snapshots, but for 128K ... -
Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... the M1 pin on their Z80's? Anyone has faced this ... -
Z80 ApplicationsI never realised how widely in use the humble Z80 processor was in early Arcade games (Galaga had 3 running in Parallel), Fax Machines, Photocopiers,…
... widely in use the humble Z80 processor was in early Arcade ... -
Can anybody recommend a good ZX Speccy Z80 assembler?I was thinking of using Hisoft Devpac v3, along with some of the cool Z80 textbook scans in the scan repository, to learn some Z80. Anybody use Hiso…
... with some of the cool Z80 textbook scans in the scan ... repository, to learn some Z80.
Anybody use Hisoft ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... it would work on a Z80. Yesterday I had a bit ... Diehard test. Here is the Z80 code for the (1,1 ... -
Recommended book (in WOS archive) for learning Z80 instructions?I have a very vague knowledge of a few Z80 instructions, but would like a comprehensive reference book. Can anyone recommend a decent book in the WO…
I have a very vague knowledge of a few Z80 instructions, but would like a comprehensive reference book.
Can anyone recommend a decent book in the WOS archive, to save me downloading GB's worth of potentially unsuitable titles? -
Registered Copy of z80-400 wanted !!!Does anybody know where to get a "pirate-copy" of z80-400 emulator ? I have just downloaded the shareware-copy from WOS and when I try to pay for it …
... get a "pirate-copy" of z80-400 emulator ?
I have ... -
Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…
... beginner when it comes to Z80 assembly (not to mention a ... code, thus dealing with the Z80's less than orthogonal instruction ... -
Z80 Expander Bus ControllHello there my fellow forum chummies, I would like to ask a few technical questions, Now I come from an Amiga Hardware based background, and as yo…
... /> any links to some decent Z80 expansion port schematics?
Z80 inteface expander[/b]
[list ... for direct install on the Z80 cpu
Will this ... interfere with the Z80 expansion Bus
[/list]
z80 format: ED ED xx yyI've just been studying the documentation for the z80 file format: [url]http://www.worldofspectrum.org/faq/reference/z80format.htm[/url] I have a d…
... studying the documentation for the z80 file format:
[url ...Symbos-z80 on a speccy?[url]http://www.uelectronics.info/symbos-z80[/url] If it works with the CPC and MSX, surely the Speccy qualifies too?
[url]http://www.uelectronics.info/symbos-z80[/url]
If it works with the CPC and MSX, surely the Speccy qualifies too?z80 program to BASIN?I have a BASIC program with UDG:s loaded in a z80 snapshot file. I would like to edit the program with Basin, but I wonder what must be done before…
... UDG:s loaded in a z80 snapshot file.
I ... /> (I tried to load the z80 directly to Basin and it ...Some ever noticed that +2A/+3 halts Z80 using WAIT?I mean: Anyone ever noticed that the +2A/+3 halts the Z80 using WAIT? All documentation I've read about contention state that the ULA halts the Z80 …
... the +2A/+3 halts the Z80 using WAIT?
All ... that the ULA halts the Z80 by forcing CLK high. I ... to put a Z804020 CPU (Z80 capable of 20MHz clock), isolate ...Z80 'EXX' ConfusionI was working on a little Z80 routine last evening, and, having run out of registers, resorted to sticking one of the values into a memory location a…
... was working on a little Z80 routine last evening, and, having ... instead (something in my short Z80 life, I've not tried ...What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... ://retrospec.sgn.net/game/z80asm"]Z80 PC Assembler or z80asm[/URL ... the best books for learning Z80... I'm currently using Toni ...z80 emulator with converter ?Hi i am finding the old z80 emulator v2 or v3, dont remember. Some of these versions have the snapshopt to 1.45 converter that allows us to conver t…
... /> i am finding the old z80 emulator v2 or v3, dont ... reasson is to use the z80 snapshot loader in the spectrum ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... I have started to learn Z80 machine code - 25 years too ...Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…
... />
Well my exploration of Z80 MCODE continues apace! I am ...48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... a chip level, the Z80 CPU only has 16 address ... , but not both. Anyway replacing the 4116s had no effect ... the Fluke 9000 and the Z80 pod connected to the ... running the board and the Z80 chip running the board ... is... the Z80 chip itself. The CPU ...How to convert TAP to Z80?Hello there! I don't know English language very well, but I need help from you( I want to play ZX-Spectrum games at my Samsug Star mobile phone. I d…
... ] , but it can play only Z80 tape images. How I can ... filetypes (TAP, TZX etc.) to Z80? Help me please :cry:Z80 Based Laptop[url]http://www.retroleum.co.uk/electronics-articles/previous/the-v4z80p-a-z80-based-laptop/[/url]
[url]http://www.retroleum.co.uk/electronics-articles/previous/the-v4z80p-a-z80-based-laptop/[/url]Z80 Processor Interupt helpHi everyone, Currently designing a Z80 computer and i need a little help with these interupts. If i have an I/O device that sends a pulse to the int…
... ,
Currently designing a Z80 computer and i need a ... pin what exactly does the Z80 do? Does it store the ...Z80 disassembler C/C++ source codeHello, I just thought I might share the [URL="http://zxds.raxoft.cz/docs/z80d.cpp"]source code[/URL] of the Z80 disassembler I have written for [URL…
... "]source code[/URL] of the Z80 disassembler I have written for ... way of understanding how the Z80 CPU breaks the opcode sequences ...Using a Z80 CPU in a 48K Spectrum?Will a Z80 CPU (which I have) work well enough in a 48K Spectrum to give me an indication as to whether the Z80A CPU in there is duff? Thanks for re…
Will a Z80 CPU (which I have) work well enough in a 48K Spectrum to give me an indication as to whether the Z80A CPU in there is duff?
Thanks for reading - weathereye.Is ZX80 really "Z80 only"?The Spectrum has ULA to generate video display. Does the ZX 80 have any kind of processing chips apart from Z80? How is the video display generated o…
The Spectrum has ULA to generate video display. Does the ZX 80 have any kind of processing chips apart from Z80? How is the video display generated on ZX80? How does it compare to Atari 2600's CPU + TIA combo?Z80 Music Portal - massive updateHi there. Finally I found some time (and life forces) to make a massive update of [url]http://z80.i-demo.pl/[/url] music portal. Mostly songs by S…
... massive update of [url]http://z80.i-demo.pl/[/url] music ...GryzorThe WoS entry for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002159"]Gryzor[/URL] contains a TAP image for 128K only (which is an e…
... a Z80 snapshot for 48k version.
I suggest replacing both ...
