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+2B ram chips?Hi all, I have got 2 Plus2B`s and 1 Plus2 gray case. Ok the one Plus2B don`t work, so I tried to see if I could pin down the problem. I changed the …
... problem.
I changed the Z80 from the Plus2B to the ... I know its not the Z80.
There are ... get coloured blocks, if I reset it I may then get ... reset it.
So Ok I know its not the Z80 ... least I have a working Z80 inside it.
The ... -
Fuse for Mac OS X beta releasesA beta version of Fuse for Mac OS X has been released at the dedicated sourceforge project: [url]http://sourceforge.net/projects/fuse-for-macosx/[/u…
... "soft" resets (activing the reset line on the Z80) and "hard" resets ... -
+2B problem stillHi all, I have a spare +2B that still dont work. Richard kindly sent me 4 x 4464 ram chips but the +2B still dont work I have swapped over both ROM`s…
... both ROM`s and the Z80 for known working chips ans ... blank screen
If i reset then same problem.
Z80 is very warm and getting ... both ROM`s and the Z80.
I thought that the ... -
+3dos BASIC Headers - Char and Number ArraysHi. I'm almost ready to release the first beta of "3eExplorer" my utility for extracting files from a +3e HDD/CF image. It's actually going quite w…
... I can tell in the +3DOS file header the "+3 BASIC ... -
machine IDs for .z80 snapshotsHi, is there s.o. officially in charge for the .z80 file format? while upgrading zxsp's save_z80 routine i added new machine IDs for the Specci vari…
... . officially in charge for the .z80 file format?
while upgrading ... discuss/introduce them to the z80 format descriptions floating around.
Z80 Developer ConsoleHi, This is a project I have meaning to do for ages, recently had a kid, had some time off work (as a software developer) and surprisingly had a bit…
... of visual studio for a z80... Ive kept tabs on the ...Old TS2068 tape foundI made a .z80 snapshot of the programs I found in both sides. If you load the first program and read the commentary, you'll understand how this gentl…
I made a .z80 snapshot of the programs I found ... .zidev.com/ts2068/other/JRC_side_1.z80[/url]
[url]http://zxspectrum ... .zidev.com/ts2068/other/JRC_side_2.z80[/url]
It's ...Splitting Images tzx maybe not perfectI've been hacking this game and its loader. Also the save routine is intact in this game. It saves a block with a pilot length of 801 pulses. Test…
... .
Here is a snapshot to test the save routine ... .homecall.co.uk/spec/splittingimagessave.z80]Splitting Images Saver[/url]
Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…
... become
ADD HL,DE reset when the top is reached ...z80 assembler?HIya, I used to program assember on the trusty c64, but want to have a dabble with z80 on the Zx spectrum, can anyone recomend a good assember, dis…
... to have a dabble with z80 on the Zx spectrum, can ...Wipe Out by KB RamWhilst doing a long-overdue update for Speccy Spoilers, I noticed that one of the latest additions is a game which doesn't appear to be in the archiv…
... .?
Here's a snapshot of the game:
[url ... ://www.rzxarchive.co.uk/wipeout.z80[/url]Z80 CPUs goin cheap.This guy is selling them very cheaply and has a couple multi item auctions for them. Thought I would post here in case people were looking for one/so…
... ]http://cgi.ebay.co.uk/Z80-CPU-BRAND-NEW-FOR-SINCLAIR ...About the edge connector (reset and comp video)Recently aquired a Kempston type interface for my rubber keyed 48K. Ive been wanting to add a composite video out and it just occured to me i might …
... would like to add a reset button in the same manner ...What was a Z80 computer capable of ?I have always wondered, and maybe the techy people on here could answer, with what you know about the Z80 processor, was the spectrum hampered by the…
... what you know about the Z80 processor, was the spectrum hampered ... so, what graphics could a Z80 be capable of ? it always ...How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…
How does the Spectrum (or Z80) interact with other hardware devices? ...Having trouble compiling thisI made a small program to help me check the contents of Astro2008's code (to see how easy an English version could be made). I figured I could compil…
... ://zxspectrum.zidev.com/zx/text_viewer_v2.z80[/url]
The original ... at 24e3. I did a reset, decreased the ramtop to 23999 ...It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
...
- 0x0000 - only when RESET has been asserted. (All executions ... of 0x0000 without a reset result in no trap).
Z80 actually fetches the instruction, and ...Z80 ParserAs you can see from my signature I'm doing a new Z80 assembler partly as a coding exercise and partly as there's some extra features I need. I'm hal…
... I'm doing a new Z80 assembler partly as a coding ...Snow Joke z80 doesn't work?The z80 file for Snow Joke keeps giving an error message when you try to take the first object in the game: [url]http://www.worldofspectrum.org/info…
The z80 file for Snow Joke keeps giving an error message when you try to take the first object in the game:
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006990[/url]
The tzx file works fine though.Lerm Z80 ToolkitJust a note that the version on WoS is version 2 of the Z80 Toolkit. I have version 1, but the tape snapped while TZXing. It might be worth noting i…
Just a note that the version on WoS is version 2 of the Z80 Toolkit. I have version 1, but the tape snapped while TZXing.
It might be worth noting in case another copy turns up.Z80 from a ZX81 in a Spectrum?Can I put a Z80 from a ZX81 into a Spectrum 48K? It should work even if they both are clocked differently (3.25MHz vs. 3.5MHz AFAIK), right? Thanks,…
Can I put a Z80 from a ZX81 into a Spectrum 48K? It should work even if they both are clocked differently (3.25MHz vs. 3.5MHz AFAIK), right?
Thanks,
ThomasSource of Z80 ProcessorsHi all, After seeing the somewhat inflated prices that +2A's and +3's seem to be going for on eBay I'm wondering if trying to fix my 48k+ is a bette…
Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... came across the list of Z80 commands in the dictionary section ...InkSpector 0.93 releasedHi, InkSpector 0.93 is now available from [url]http://www.inkland.org.uk[/url] InkSpector is a scriptable Sinclair ZX Spectrum Emulator screensaver…
... files to play from your snapshot folder :-)
Features currently ... details.
? .sna and .z80 (all versions) snapshot file support
? .rzx ... replay snapshot file support
? .zip file ...MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…
... temporarily stack software as a snapshot into free MB02+ RAM and ... selecting the boot device after RESET by pressing a button. So ...Fuse for Mac OS X 0.9.0 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…
... "soft" resets (activing the reset line on the Z80) and "hard" resets ... Interface I state information to z80 and szx snapshots (Fredrick Meunier ...Z80/beeper music siteFor those who don't follow raww.org (and why not? :-) ) you may wish to know about a new website from Yerzmyey, devoted to the music of the humble be…
For those who don't follow raww.org (and why not? :-) ) you may wish to know about a new website from Yerzmyey, devoted to the music of the humble beeper and Z80 chip, past and present...
[url]http://z80.e-demo.pl/[/url]Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…
... $8000 and select "run". The Z80 will now freeze at the ... window. If you interrupt the Z80 at a random point, and ... Okay. The machine should now reset itself. Now go back to ...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 ...
