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SENDING beeper music from Z80 to AY?Hello. According to [url]http://z80.e-demo.pl/[/url] Z80 sends music-data to ULA (the 1-bit transducer). I was wondering if it's possible to send…
... to [url]http://z80.e-demo.pl/[/url] Z80 sends music-data ... with 3 channels digital music. Z80 can send it to beeper ... with chiptune/synthetic music from Z80. Is it possible to use ... -
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 ... -
ANN: zx-state (.szx) file format updatedThe zx-state (.szx) file format has been updated to version 1.3 Full documentation is available [URL="http://www.spectaculator.com/docs/zx-state/int…
The zx-state (.szx) file format has been ... ://www.spectaculator.com/docs/zx-state/intro.shtml"]here[/URL].
.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 ...Flood Fill ConundrumI have written a flood fill alogirithm. It uses the stack, but only with the y axis. It works quite well, but on large polygons it does take a while …
... [/url]
Theres a z80 and szx in there.
registers set with the x, y ...Help with EarthLightBeen trying to play Earthlight (format z80) in the ZX Spin emulator, but all I'm able is to see the initial screen with a yellow cursor, that doesn't…
Been trying to play Earthlight (format z80) in the ZX Spin emulator, but all I'm able is to see the initial screen with a yellow cursor, that doesn't respond to any key I press. What am I doing wrong? :(
Help pleaseFaulty 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 ...How to read AY Registers from M/C?Gentlemen, I will appreciate if you can provide me some details on this, as I could not find info in other sources. I would like to know if it's pos…
... , and how, to read AY-Registers like the mixer. I tried ...InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…
... emulating interrupts.
My z80 core currently emulates all un ... store the value of the registers and jump to a certain ...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 ...Watching screen while debugging???I'll try to state my problem clearly, but I don't know if I'll succeed ..:) I load a Spectrum program into emulator (it doesn't matter which one at …
I'll try to state my problem clearly, but I ... can watch as memory and registers change as instructions are executed ...BASin r14d - Final bugfix for the r14 seriesOk, there's not a great deal to "show" here, as most of the work has been going on "under the hood" so to speak. And there's been a [i]lot[/i] of wor…
... would not properly reflect the state the emulation was in, and ... no longer OUT in the z80 core, so a lot of ..."Floating" AY registersWhile I was working on some AY sample-related stuff, it occurred to me that with the AY port not being completely decoded, it would be a handy CPU-ti…
... puts the AY into a state where any values written to ...Questions about registers, stack, etc.I was told that if I wanted to export code and create unprotected versions of games I should do the following: 1-Find the starting address by using …
... /> 4-Make a note of registers/stack
5-Create a ...IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…
... use port 255 for the initial sync.
More ... - 7FFFh, thinks that the Z80 wants to initiate a bus ... the ULA stops the Z80 clock until it has finished ... . When the Z80 resumes operation, the ULA ... data bus, and the Z80 can only read FFh ( ...Jet-Set Willy Editing Help!OK... I downloaded the Jet Set Willy editor from the internet. This has happened with both versions by the way. This is the Windows-based editor that…
... downloaded JSW64 Y version for initial use. However, when I started ... I tried a JSW 48 Z80 file (the one with fixes ... TAP files except the 48k Z80 image. I have tried zx32 ...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?Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
...
[CODE]
;Initial entry point
;-------------------
org ... br />
;Save all registers, then save
; the ... ex af,af' ;Exchange registers for alternates
exx ... af
exx ;Exchange registers for alternates
ex ...Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…
... (ahem).
So. The initial goal of the project is ... of libraries for C and Z80, in z88dk library format (because ...ZX music for *TWO* BEEPERS :)Hi there. :) For some time I was thinking about making for ZX Spectrum an additional sound-card playing BEEPER music without Spectrum's CPU time. I…
... 's CPU time. If the Z80 mounted on such a card ... .
Also I can state that making one half of ...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 ...Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…
... Speccy - monitor the most important Z80 lines (full address bus, data ... times (for example, each T-state - or perhaps with a free ...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]
How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…
... these devices on the weak Z80 @ 3.5MHz.
But ... maybe a third and fourth?) Z80 shared our contended memory, then ... dreams:
This second Z80, I call CPU1, has access ... to write into the CPU registers AF, BC, DE, IX etc ...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 ...More ridiculously out of proportion punishment for piracyFrom: [URL]http://www.nbclosangeles.com/news/local-beat/Cal-State-Student-Faces-10-Year-Prison-Term-for-Playing-with-Video-Games-52386872.html[/URL]…
... .com/news/local-beat/Cal-State-Student-Faces-10-Year-Prison ... [COLOR=Blue][I]The Cal State Fullerton student was arrested Monday ... was expected to make his initial federal court appearance late Monday ...Anyone seen the state of thisAnyone seen the state of this? [url]http://www.channel4.com/4homes/rate-my-room/rate-my-dirty-house-09-03-20_p_1.html[/url] F*ckin el ! They must d…
Anyone seen the state of this?
[url]http://www.channel4.com/4homes/rate-my-room/rate-my-dirty-house-09-03-20_p_1.html[/url]
F*ckin el ! They must drink alot of coke then :-)
