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in quest for a z80 :DI am trying to find a Z80A in some retail shops here in Greece. I have only located the following CPUs branded as either Z80 without anything else o…
From a book about commodore.."In April 1982, Sinclair released an improved computer called the ZX Spectrum. Compared to the C64, the Spectrum had few technical advantages. It ha…
... custom ASIC is perhaps in speed and density and cost once ... to make a computer, a CPU with a colour framebuffer. The ...in quest for a z80 :DI am trying to find a Z80A in some retail shops here in Greece. I have only located the following CPUs branded as either Z80 without anything else o…
[QUOTE=Pyjamarama]Hi
I managed to find a Z80 but I do not know if it is the right one
Z84C0008PEC
Z80 CPU
0124 74
I hope it is the one (...anxious...)[/QUOTE]
Z84C 0008 PECTZX revision 1.20 finalSince everybody seems to agree with the last propositions, the specification for the TZX file format revision 1.20 now becomes final and you can find…
... valid reasons for this - the CPU time required to output a ... ]will[/i] negatively impact the speed that edgeloading moves at. It ...TZX revision 1.20 finalSince everybody seems to agree with the last propositions, the specification for the TZX file format revision 1.20 now becomes final and you can find…
... valid reasons for this - the CPU time required to output a ... ]will[/i] negatively impact the speed that edgeloading moves at. It ...Uridium on the Speccy: definitive version?Uridium is one of the staples of the C64 shoot-em-up canon. I first played it on the Speccy twenty years ago, but became much more familiar with it …
... colours is a loss in speed. That can damage the game ... down to the ratio of CPU power to screen area which ...I smell burningLast week my computers PSU blew a fuse. I looked to replace the fuse but is solder in place. Feeling lazy I just got my spare PSU of the shelf and r…
... for the following (assuming 100% CPU use just to be on ... 2500+ mobile o/c ~3200+ speed
Radeon 9800XT
2 ...The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…
... a high speed speccy with IDE and eZ80 based CPU and a ... don't mind an ARM CPU, the cores are already in ... combo chip comes out with CPU and 3D on a single ...The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…
... since it's a pipelined cpu I'm sure that's ... license the core for the cpu you don't have to ... games run at the same speed (only a portion of ... them tie execution speed to the vbi interrupt); however ... an estimate as the relative speed between the ez80 and ...SpecEmu 2.4 releaseSince SpecEmu has been at 2.4 beta for as long as I can remember I think it's about time I made a proper 2.4 release for its users :) Major new feat…
... emulates an AtariST at full speed with no frameskipping, using the ... default speed of 200mhz. Of course, it ... ?
I talked about CastCE. CPU by me is something similar ... how many bit CPU is it, how much of speed is sacrified ...Spritual successor to the Speccy1988-1995 - Atari ST/STe/Falcon 1995-2000 - ? hmmm ? 2000-2006 - Playstation 2 with a keyboard 2007- ?
... and having to have the CPU emulated on the Sam's ... run at a decent playable speed!)
I know of ...DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
The speed is, in fact, great. But ... ULA (not to mention the CPU) want to access the same ...DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
[QUOTE=Marcelo;175861]The speed is, in fact, great. But ... ULA (not to mention the CPU) want to access the same ...DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
... memory, ULA stopped clock for CPU.
DMA clock is same ... as for CPU, thus DMA wait. On ZX ... CPU. DMA work on any ULA model. You
can change speed ...
write(target adress). Max. speed is 2T for read byte ...Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url] You know it makes sense. We're winning at the moment, too... D.
... !
The C64 had a CPU that could do 5 times ... not only do you have CPU instructions that do more (meaning ... ), you have a higher clock speed anyway. The Z80 also has ...DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
... memory, ULA stopped clock for CPU.
DMA clock is same ... as for CPU, thus DMA wait. On ZX ... CPU. DMA work on any ULA model. You
can change speed ...
write(target adress). Max. speed is 2T for read byte ...MS Windows on ZX Spectrum[url]http://www.youtube.com/watch?v=5SMRRmaIzgE&mode=related&search=[/url] how is he doing that and how can you reproduce it?
16-bit WarsDoing a 8-bit war is a bit of a no-brainer but what's your 16-bit fave, Multiple votes are allowed
... had a slight edge in speed over the more expensive machine ... the chip directly from the CPU it can also do a ...Speccy goes to the Internet!!![url]http://zx.pk.ru/attachment.php?attachmentid=4998&d=1176284955[/url] It's not a joke. This program really works. It uses an RS232 modem (or cel…
... role is to offload the CPU from ARP and frame parsing ... space. This will simplify and speed up data exchange.
The ...New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... , i often turn on maximum speed in unreal speccy emulator, because ... a cpu frequency slider in basin, but didn't notice speed difference ...New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... , i often turn on maximum speed in unreal speccy emulator, because ... a cpu frequency slider in basin, but didn't notice speed difference ... REM directives :-)
The CPU slider is in the new ...Bios upgrade ?I have a Athlon 32 bit 2800 processor when i plug it into my pc it only says it is an 1800 ( i think its 1800 ive forgot now ) the thing is the place…
... should report what the Athlon speed it is (in this case ... should be reporting the clock speed (which in this case is ... is not running at the speed it should be (the people ... verison that does support your CPU.
Hope that helps ...Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... a bit faster due to CPU clock (3.5 vs 3 ... /> Any volunteer to make simple speed comparison of contended memory? Let ...Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... BEEP;192425]Other than some speed and double declarations?
[/QUOTE ... long does it pause the cpu?After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…
Moores law is that CPU's will double in speed every 18 months ... other hardware.
As CPU's got faster, air flow ...After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…
... law is that CPU's will double in speed every 18 months ... other hardware.
As CPU's got faster, air flow ...Things not to do online in a public forumDue to recent posts on my part, I thought this would be a good one. Basically in joke form I raised the idea that an image uploaded to this forum co…
... linux, how its going to speed my machine up, that uses ... have keyboards and a Z80 CPU, you can't expect to ...Edge top 100 gamesIt's [url=http://www.next-gen.biz/index.php?option=com_content&task=view&id=6231&Itemid=2]the top 100 games of all time[/url] from the last 15 years
... that the turning speed is increased by the CPU so that you ...speed of my Broadband connectionI have done a speed test on my Broadband connection and got a result of 2.5 and 4.2 megabits, the thing is i have just upgraded my connection to 20me…
... ... is there any security benefits, speed benefits, would it be better ... up quite a bit of CPU time with the USB protocol ...