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ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... advertised as "it powers on but it have some ... checks before power on (continuity, tr4/tr5, coil, power connector) and ... 6c001e-7) to the z80 and it's about 3V ... to appear on the screen, other times the Z80 simply freezes ... swap with the ones on the board, so before ... -
The HL Register Pair Naming. An Observation.This isn’t really a question or a tip. Just an observation about the naming convention of the registers in the Z80 CPU. It seems that every register …
... naming convention of the registers in the Z80 CPU. It seems that every ... is just used by the CPU internally. -
New ZEsarUX 5.0Hi! ZEsarUX 5.0 is out! :) You can download it from the URL: https://sourceforge.net/projects/zesarux/ Finally I have succeded emulating Si…
... ascii characters or numbers directly on host console
Added ... Added support for OpenGL rendering on Mac OS X Cocoa ... br /> 1) 1 opcode, cpu registers, other internal registers
2) 9 opcodes ... Fixed reading from paging port on 128k and +2 machines: ... -
What can I do with this donated Spectrum?Hi All Recently I was given a modified Speccy +2 to join my 8-64bit collection of retro computers/consoles. It took me a while to get up to speed…
... also tried a few .Z80 files with mixed success.
power-on loader run from the default ... bas that I can see on the system partition.
on the monumental task of manually ... 4. The basic loader on this CF card is ok ... -
ZEsarUX 6.1 RCHi I have uploaded a new beta version of ZEsarUX. This is ZEsarUX 6.1 RC so next version will be a final stable version :) You can download it fr…
... br /> * added cpu-step-over function on debug menu (was already ... * when a breakpoint is fired on cpu-step-mode, the breakpoint condition ... is shown on ZRCP
... it ;)
Fixed bug on Z80 cpu core, iff2 was not being ... -
Screen corruption with devices on edge connector (grey +2)Hi, I've recently done a full capacitor replacement and replaced all 16x DRAM chips on my grey +2. Prior to this I would get a corrupted screen…
... few minutes of being on, it would stop ... if I power the Speccy on with something on the edge connector ... remove the device and power-on again and its fine.< ... /> Could this be a power supply issue? I'm using ... the standard +2 power brick (barrel jack) and ... -
printing text on HP-GL plotters through RS232 on AY-3-8912Hello, i don't know, if anyone is even interested in these things. But i do. I like printers, plotters and other devices which we can connected to…
... if you programming on PC and testing on real hardware.
Z80 can do it. On speed 57600bps data can ... plotter, i drew these pictures on Aritma Minigraf 0507, which is ... resolution, font size, page rotation ...), on any HP-GL plotter (even ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... /> It will use a Z80 CPU running at 6mhz, 128k Ram ... m probably gonna base it on the +2A (It ... originally going to be based on the 48k/128k).
... if I switch them other on a system board.
on the newsgroup comp.sys.sinclair ... -
Something i'd like to see in future spectrum emu'sI haven't checked every emu out so i hope this hasn't been implemented somewhere already...one thing i'd like to see is a special enhanced mode where…
If you're on Windows, use Spectaculator (by me) ... SPIN and turn up the Z80 CPU speed.
It may ... Message was edited by: needlej on 2003-01-21 22:15 ] -
Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... mode is not possiblebecause the Z80 CPU is too slow for such ... russian coders wrote a routine on Spectrum 128 which used 8x4 ... code that paints the stripes on both screens, and replace it ... Timex Multicolour mode. I saw on the net somewhere a description ... -
YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …
... -sound is a matter of CPU. Music in sid-sound mode ... good sound on AY, using full speed of our CPU. But then ... they would have took all CPU's power. -
YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …
[quote]
On 2003-08-31 18:18, ... good sound on AY, using full speed of our CPU. But then ... they would have took all CPU's power.
[/quote]
cpu is kept busy, mostly in ... -
create z80I want to Create z80 code and run it on an emulator for the 48k spectrum. I want it soo easy to use its a dream. I dont like dos based stuff.. Can a…
... through and debug the final z80 code - I've had a ... put some sort of breakpoint on z80 instructions and a step / register ... my own simple little debugger / z80 cpu emulator (not a spectrum emulator ... -
New SpeccyDo you think someone should go about creating a new spectrum computer? I'm talking about a spectrum compatible (not an emulator) with the capabiliti…
Spector:
>if a new Speccy had come out with totally
>redesigned graphics and sound capabilities,
>then it would no longer be a Spectrum. It
>would be like a PC,
Oh, PC isn't based on Z80 CPU.. -
Vic-20s ARE CRAP! (And a few other ramblings from 1984)There was a great rivalry between myself and some of my computer owning chums in the early/mid eighties. The thread title was a phrase I made good us…
... 20 is beginning to grow on me. I'm collecting software ... , and a 256x192 display, and Z80 CPU - it seems to have a ... -
an idea that could be very very good...but also very very bad...Hello all! I've been having a chat with some of my friends round here that once loved the spectrum (well...2...as they're all heathens round here...)…
... you really see yourself sitting on the bus or the train ... that will ... erm ... emulate tape on smartmedia.
--------------
Sorry, but ... flash-card's readers (and on ZX81 too).
And flashcards ... be enough to use new Z80 CPU and it would work in ... -
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
Yup, sample-songs on AY sounds not very cool. ... play MOD via AY (using CPU's power) and it sound pretty ... find Covox/SoundDrive's schemes on the Internet and connect them ... -
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
[quote]
On 2004-03-20 15:23, ... via AY on Speccy. Even if it takes all CPU's power.
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
Hmmmmm.... I thought so. :(
You know, I was counting on SidSound case, where AY works 4 times faster than normally (using CPU's power) and I thought it might help to the sound-quality of 4chnls playing.
Hmmm.Ecstasy & AgonyWhile checking out the area around Chennai Central station on Sunday, I came across this crowded narrow road taken up entirely by roadside vendors se…
... the top of the one on the pcb - making sure ... large minimum orders, is the Z80 CPU - but getting hold of ... virtually all the IC's on the spectrum, including 4116s.. ... you are willing to spend on something worth less than ... the parts you're putting on it - I don't ...An MC question (sorry, there's no MC forum to post to!)Ok, still struggling with learning MC - but am getting there. I just can't find anywhere on the web / in books that explains how to do arrays in MC.…
[quote]
On 2004-04-03 ... ]
The z80's index registers are suited for table ... />
The z80 index registers work in the opposite way ... point at variables declared on the stack because there ... from (ix+d) into registers, does some calculations, and ...replacement ear and mic sockets on a spectrum+...ok, i bought a spectrum recently in an 'as seen' condition, so i suppose i have no right to complain because it isn't working... in any case, i was…
... sales or ebay) and solder on replacement.
Not sure if ... /> You can also get:
-Z80 cpu, memory chips, ROM, membranes, Modulator ... Message was edited by: thomas3120 on 2004-05-17 19:02 ]InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... place an 8-bit vector on the bus. Presumably it does ... because placing an instruction opcode on the bus is a similar ... /> It is the Z80 CPU DATASHEET at [url="http://z80.info/zip/z80data ... Message was edited by: Fraser on 2004-07-30 21:36 ]General SoundAny reccomendations for games that support GS?
... sound add-on board with it's own memory + extra Z80 CPU. It ...building a computerFor some reason having come of age (25 last feburary) I've begun to get the itch to build my on computer, i.e. from scratch, not plug together pc par…
... scale integration = ~50 transistors on a chip) circuits that perform ... sequence over time. The z80 cpu, for example, performs certain ... designed. Good basic info on pipelines, cache, etc. ... which includes some basic information on hardware. Unfortunately, I ...Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…
... in Sinclair Spectrum + computers. The Z80 CPU was made by Zilog, i ... for the ULA and the CPU.
Between the EAR ... Spectrum + is turned on, the message "" shows on screen. The operation is ... />
This is what's on the Article. I'll try ...Mayhem Accelerator in actionI've put together the first video of the prototype Mayhem Accelerator running on the Sam Coupe. The video shows the Sam running a ZX Speccy emulator …
... in speed have any effect on the clock in the card ... ?
Dose the Sams Z80 cpu get hotter? Will I need ... edited by: Steve Parry-Thomas on 2005-07-12 12:52 ]And... we have lift-off!Seems the 10th anniversary update went alright. Hope you like it!
... to you,(WOS) :D
Z80 CPU, :confused:
It's ... .....
Ahem. Right, moving swiftly on...
Amazing. Here ... a lot of stuff on CDs between 96 and ... deserves a big fat pat on the back.
:) :) :) :) :) :) :) :) :) :) :) :) :) :) :)
...Emulator File types...SNA/TAP/TZX/Z80/ZXS All I knew about the Spectrum was how to play games on it, but since being introduced to pc emulations back in '97 I've always w…
... difference is that the Z80's registers are PUSHed onto the ... scratch as it would on the real machine (loading ... loaded from tape like on a real machine. Snapshot ... FRAMES, whose value depends on how long the computer ... be a problem depending on what type of game ...
