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Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... never programmed C on the Z80 before I started to use ... now I'm in a "Z80 mindset", I really like this ... a screenshot from the embryonic test game I'm working on ... -
Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... /> Here's a z80 snapshot of my unfinished test game - progress so ... /homepage/staff/cmspcar1/sinclair/sidnut1.z80[/url]
KEYS:- left ... -
Why doesn't my loop work?Can anyone help me understand why my loop doesn't work? Is it to do with how DEC HL affects the flags? [code] ; Read 32k bytes from port 191 as fa…
... ,(port#)" doesn't according to Z80 reference?! so you lose 1 ... minus) without doing the AND test in between. Skipping that, you ... cycles = ~6 useconds max before Z80 detects trigger (and you still ... -
Upgrading 16k MemoryHi All I have a fully working issue 2 16k spectrum and a broken issue3 48k spectrum (It's showing the black and white bars and some flashing blocks)…
... , or allow you to quickly test DRAM chips.
Also ... present but maybe not (between Z80 & ULA). When missing, you ... -
New TR-DOS utilities (2010)[url]http://velesoft.speccy.cz/other/trdos-utils-2010.zip[/url] This archive contain new convertors for PC: [B]SNA2SCL[/B] - convert SNA snapshot t…
... /> 0-3FFF is RAM ? You test this SCL file on emulator ... ?
Please send me this Z80 file and converted SCL version ... -
New TR-DOS utilities (2010)[url]http://velesoft.speccy.cz/other/trdos-utils-2010.zip[/url] This archive contain new convertors for PC: [B]SNA2SCL[/B] - convert SNA snapshot t…
... ]0-3FFF is RAM ? You test this SCL file on emulator ... ?
Please send me this Z80 file and converted SCL version ... file and save it as z80 file. Then z802scl and scl2trd ... -
Spectrum 48k boots but small black dots start appearingAnyone any ideas where I should look first?
... be to try another Z80 and ULA, or test yours in a ... -
Spectrum 48k boots but small black dots start appearingAnyone any ideas where I should look first?
Cheers Roko, thats exactly whats happening, I know its not the ULA, ive tried a good one in there and same results, the z80 and all memory is soldered in, is there a way to test these chips with a multimeter to save me desoldering everything? -
ZX Spectrum 48K,issue two - can't get it repairedI have an issue 2, which has some weird very small PCB hanging over the Z80. Some wire go to various places on the big PCB, two go to connections 36 …
... experiment you might exchange Z80. Another rather easy test would be replacing ... -
Testing 4116 and 4164 chipsI have a stash of old 4116 and 4164 chips and wondered how best to test them to see if they work. I don't have a working spectrum to plug them into …
... the RAM I want to test.
The bad thing ... TR4 being damaged if I test a faulty 4116 chip on ... .
So, as the Z80 has a dynamic refresh counter ... of developing a minimalistic Z80 based computer (Z80, EPROM, a PPI, and ... -
Testing 4116 and 4164 chipsI have a stash of old 4116 and 4164 chips and wondered how best to test them to see if they work. I don't have a working spectrum to plug them into …
... the RAM I want to test.
The bad thing ... TR4 being damaged if I test a faulty 4116 chip on ... .
So, as the Z80 has a dynamic refresh counter ... of developing a minimalistic Z80 based computer (Z80, EPROM, a PPI, and ... -
2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…
... (most likely) or RAM / ROM / Z80 fault.[/QUOTE]
The ... is there anyway I can test the modulator?
[QUOTE ... -
Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... system? If you fix a Z80 bug, will Z80ex benefit from ... I had for Fuse's Z80 core" than "derived from Fuse ... in Fuse's Z80 core will have a test for it added ... to Fuse's test suite, and that is consumable ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... machine. When loaded with a z80 core, that part of the ... chip IS a z80 (assuming the core is complete ... implementation). It is NOT a z80 emulator.[/QUOTE]
... some parts of the Fuse test suite, I'd think we ... it's less of a Z80 at the moment, in ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... V6Z80P users. It has real Z80 and Spectrum FPGA logic. But ... timings. I can post some test later. -
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…
... =Metalbrain;516935]AFAIK, the original Z80 CPU (before the Z80A) only ... that you might get a Z80 working in a Spectrum. I ... , you'd probably prefer to test it in a working machine ... -
Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
... for beginners, you can test code in safe environment ... url]http://www.z80.info/#BASICS_INST[/url]
Z80 opcode information, ... org/[/url]
The test editor for asm editing, ... .contextstatic.org/downloads/highlighters/z80.chl]z80 highlighter[/url].
... -
Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …
... .raxoft.cz/taps/misc/multicolor.z80"]multicolor test[/URL] I did when ... -
Huby - new two channel beeper music engineAnother new beeper music engine. This one is very simple, similar to Music Box or Music Studio - just two channels of tone and one drum sound which r…
... of Yesod"
[url]http://z80.i-demo.pl/Keith_Tinman-The_Arc_of_Yesod ... for example.
I will test it as soon as possible ... they would display just in test files (TAP/SNA) while the ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... better idea? Is there a test which enables you to find ... if interrupts are disabled on Z80. Something that would read IFF1 ... -
Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... 't quite know how to test it properly.
[QUOTE ... they'd implemented [...] debugging of Z80 code in GDB. [...] I'll ... 've received the patch for Z80 support in GDB, and also ... the QEMU Z80 GDB stub ? the next thing ... -
BaSin SourcecodePaul has released the sourcecode for version 15.x on his site. i watched it and i suspect that its newer than the last version 15.8 ist someone able …
... that dunny don't like .z80 file format at all, he ... thinks that z80 is overcomplicated ****, and prefers sna ... ).
I didn't test the source other than delphi5 ... -
Speccy2010 - pentagon emulation using GlukIs anyone here familar with Speccy2010 (FPGA Russian Sinclair Spectrum clone). ? I'm using Pentagon mode on Speccy2010 (it uses something called Glu…
... or second videoram
- show Z80 registers
- can format ram ... (press reset+D)
- keyboard test (reset+any two keys)
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... the game data (.tzx, .z80, whatever). How should I handle ... is the easiest to handle? .z80 snapshots?
[/quote]
... detailed information about emulation of Z80 microprocessor/memory, they give ... by typing out some BASIC test programs. Like this:
...Spectrum - Show in London area, April 2012Hello Folks, we have been already discussing in another thread. Here I simply want check the interest.So the question is easy: If we will organize a …
... off but I need to test (especially the challenging bit of ... .grok.co.uk/beepola/DancingWillies.z80]little proof of concept things ...RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…
... time. I guess you could test this theory by poking the ... dependent on 'early' versus 'late' Z80 timings (and your Spectrums both ...Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…
... for easy loading of TAP/Z80 files, although it's read ... on DivIDE Plus ? I can test it on my modification of ...
