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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…
... " means "beeper music" as the Z80 (CPU of Speccy) produces those sounds ... be only produced when the CPU is 100 percent playing music ... ) more Z80 and ULA chips that would free the CPU from burden ... -
Accelerated spectrum?Hihi Has anyone managed to replace the Z80 in a spectrum with a Z80B? Just wondering if it'd be possible to have a couple of crystals switchable to…
... SPRINTER 2000 use Z84C15 cmos Z80 CPU(15MHz version) overclocked to 21 ... slow-down by ula) and CPU will work in this area ... Sprinter's ULA slow-down CPU to 16 MHz. Original ZX ... -
+2a datacorder problemsHelloooo, how's it going? Reason I'm posting is that 1) I'm a massive speccy fan, it was the first range of computers I ever owned 2) I'm having rea…
... its the large 40 pin z80 cpu chip? Or have I got ... -
Speccy AY-3-8910 vs. C64 SID ChipI thought I'd open this up for debate. Having owned both a C64 and a Speccy +2, my vote goes to the SID Chip; it is by far the superior sound synthe…
... just about to reply "A Z80 CPU, and piezo buzzer and an ... -
Hello everyone. (+ a question.)Hello everyone. I have been visiting WOS since 1999 but I have only recently signed up for the forums. So, first of all, thanks to those who are main…
... the Address lines on the Z80 CPU when keys are depressed. In ... ) pins. (No connection to the Z80 address lines.) Now, I think ... -
Emulator speed?I'm guessing a few forumites use an emulator to get their speccy fix. I use one, and interestingly on a few speccy games find it hugely entertaining…
... can fudge around with the Z80 CPU speed AND/OR the emulation ... -
Emulator speed?I'm guessing a few forumites use an emulator to get their speccy fix. I use one, and interestingly on a few speccy games find it hugely entertaining…
... can fudge around with the Z80 CPU speed AND/OR the emulation ... -
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... board is original 48 ula + Z80 cpu + 32kB rom + ay-3-8912 ... -
Slow down ZXSpin Emulator?Hi, I am wondering if the author of ZXSpin would consider adding a facility to slow the emulation down? Maybe a hot key that when pressed would togg…
... though - that would be very cpu intensive.
D.[/QUOTE ... to adjust the speed for Z80 CPU Emulation (currently hard over to ... -
NEC CPU - problem?I wonder if I should substitute a NEC CPU in a grey +2. Does anyone else had problems with NEC CPUs inside ZX Spectrum. Some time ago I had a Spectr…
[QUOTE=roko;338030]D780 = Z80
D780-1 = Z80A
... years ago I did a Z80 clock switch circuit, and for ... />
That said, compatibilty between Z80 CPU's is extremely good. Meaning ... hardware fails when you swap Z80 for one that should be ... -
What to write next...?Having not being blessed/cursed with such a mad & rampant imagination as Mr. Cauldwell I'm always after ideas for new spectrum games to write. It's …
... more than 50% of the Z80 CPU time just to keep the ... -
What spec/age is your computer(s)?Not started a thread for a while so here goes. I have a Desktop Replacement Rock Direct Quaddra Ti 3.4Ghz machine which was 4 years old in January. …
... 4.5 years old
CPU: Athlon64 3000 (2GHz)
RAM ... : ASUS Eee PC 1000H
CPU: Atom 1.6GHz
RAM ... ]Oldies[/B]: all with a Z80 CPU @ 3.5-4MHz
- ZX ... -
Spanish ZX Spectrum+ 128KDoes anyone know what the differences are between the Spanish and the UK versions of the ZX Spectrum+ 128 ? A couple of people have reported that th…
... attach the wire to the Z80 and edge connector please.[/ ... represent the position of the Z80 in relation to the ... /> | | | | = | | | | | | |
Underside
Z80 CPU
40 o o 1 ... -
So what exactly IS an emulator anyway?Totally silly, but... I've always been quite happy with describing the multitude of programs that allow us to re-live our Speccy days as "emulators"…
... gates and pathways within the Z80 CPU - we don't simulate the ... -
zx81 repairare they easy or very tricky to fix, just curious? getting one , that displays but no cursor.. so hopefully I can get parts to fix it. I started off…
... be replaced with new parts: Z80 CPU's are still available, an ... -
Z80 assemblerIf I do this [code] LD BC, 0002h [/code] is B=0 and C=2, or the other way around? does it disassemble to 01 00 02 does it disassemble to 01 02 00
... c64... can't speak for z80 cpu.. just learning 25 years too ... -
Z80 assemblerIf I do this [code] LD BC, 0002h [/code] is B=0 and C=2, or the other way around? does it disassemble to 01 00 02 does it disassemble to 01 02 00
... c64... can't speak for z80 cpu.. just learning 25 years too ... -
address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp
... is not memory mapped. The Z80 CPU in addition to addressing memory ... -
address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp
... is not memory mapped. The Z80 CPU in addition to addressing memory ... -
Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…
... been said...
The Z80 CPU can address 65536 bytes (0 ... -
divIDE not working with my Spectrum +2aHi I bought a divIDE 57c and I am told that Fatware is flashed to divIDE. I tried following jumper settings: E E+A A and no jumper at all. When res…
... then your ZX contain bad Z80 CPU, must be replaced. -
Problem with new DivIDE+ on ZX +2A?I just received DivIDE+ from RWAPSoftware and am having trouble getting it to work on my +2/A. The device came with 1GBCF card preinstalled with 3 ga…
I cleaned the connector from both sides, but it did not help. I probably have the bad Z80 CPU, but have no way to tell as I don't have another ZX computer on hand right now - have ZX 128k coming in the next few days though. -
DivIDE with gray +2 LOAD not workingI have 128+2 gray. It has faulty upper memory. PEEK 23733 shows 191. I wanted to use divIDE to load some test programs, but it always hangs when exec…
Also you have to remember than divIDE doesn't work with some certain models of Z80 CPU. Until now we encountered 2 such Spectrum although both of them were Rubber 48K. -
DivIDE with gray +2 LOAD not workingI have 128+2 gray. It has faulty upper memory. PEEK 23733 shows 191. I wanted to use divIDE to load some test programs, but it always hangs when exec…
... .
It is NEC Z80 CPU, original Zilog did not work ... -
Problem with new DivIDE+ on ZX +2A?I just received DivIDE+ from RWAPSoftware and am having trouble getting it to work on my +2/A. The device came with 1GBCF card preinstalled with 3 ga…
Just to give everyone an update. The problem was the Z80 CPU in my +2/A. I received a replacement Z80 from RWAP and all is working now. Thanks everyone for your help. -
Help and Advice with DivIDE PlusHi Guys, Really struggling to get any reliable actiivty with my DivIDE Plus and am looking for some pointers. I am trying to get it to work with on…
I believe you have faulty Z80 M1 line, probably on both ... i solved by replacing the Z80 cpu with another brand (the one ... always a faulty M1 line Z80 cpu, i replaced them and everything ... -
Help and Advice with DivIDE PlusHi Guys, Really struggling to get any reliable actiivty with my DivIDE Plus and am looking for some pointers. I am trying to get it to work with on…
... was able to replace my Z80 CPU and now it works correctly ... my +2A before changing the Z80 CPU. Since then I have also ... +), it looks as if the Z80 is soldered and not socketed ... is it to desolder the Z80 and put it back on ... -
Help and Advice with DivIDE PlusHi Guys, Really struggling to get any reliable actiivty with my DivIDE Plus and am looking for some pointers. I am trying to get it to work with on…
... fix was to replace the Z80 CPU (most likely due to a ... ]I believe you have faulty Z80 M1 line, probably on both ... was able to replace my Z80 CPU and now it works correctly ... stock of 4 spare modern Z80 chips which I could make ... -
New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... .zip"]here[/URL] (including the Z80 ASM source code). -
Memory upgradeHi! I bought a 16K rubber key Spectrum. It's said in the box and memory test program also said it's 16K machine. Strange thing is that there is yell…
... a transistor soldered over the Z80 CPU?
Or might have ...
