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Z80 Processor Interupt helpHi everyone, Currently designing a Z80 computer and i need a little help with these interupts. If i have an I/O device that sends a pulse to the int…
... ,
Currently designing a Z80 computer and i need a ... pin what exactly does the Z80 do? Does it store the ... -
Z80 disassembler C/C++ source codeHello, I just thought I might share the [URL="http://zxds.raxoft.cz/docs/z80d.cpp"]source code[/URL] of the Z80 disassembler I have written for [URL…
... "]source code[/URL] of the Z80 disassembler I have written for ... way of understanding how the Z80 CPU breaks the opcode sequences ... -
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…
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 reading - weathereye. -
Is ZX80 really "Z80 only"?The Spectrum has ULA to generate video display. Does the ZX 80 have any kind of processing chips apart from Z80? How is the video display generated o…
The Spectrum has ULA to generate video display. Does the ZX 80 have any kind of processing chips apart from Z80? How is the video display generated on ZX80? How does it compare to Atari 2600's CPU + TIA combo? -
Z80 Music Portal - massive updateHi there. Finally I found some time (and life forces) to make a massive update of [url]http://z80.i-demo.pl/[/url] music portal. Mostly songs by S…
... massive update of [url]http://z80.i-demo.pl/[/url] music ... -
Random game text funMy wife is watching Nigella Lawson shovelling her cooking into her pie hole, and she was making Chocolate hotpots. But it sounded like she said Hot-a…
... ?"
Anyway this totally random train of thought got me ... me wonder if typing other random bits of text or conversations ... -
Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…
... expert when it comes to random numbers. If I have the ... and then proceed to generate random numbers from that seed I ... should get a pseudo random sequence - correct?
However ... -
Help with random numbers......Hi all, wonder if anyone can help me... sort of a novice here ... I have been trying to write a simple ish basic program to compare random sets of n…
... ish basic program to compare random sets of numbers
for ... of 6 numbers that the random generating routine (that i thought ... !
10 REM PUT RANDOM NUMBERS INTO X ARRAY
130 REM PRINT RANDOM NUMBERS IN SETS OF 6 ... -
ZX80 Rom and Z80Can you pop a ZX81/TS1000 Z80 in the ZX80 as is and can you burn a rom to eprom and pop in? I'm watching an auction on Ebay and both Z80 and ROM are…
Can you pop a ZX81/TS1000 Z80 in the ZX80 as is and can you burn a rom to eprom and pop in?
I'm watching an auction on Ebay and both Z80 and ROM are missing. -
z80 Startuphi everyone, does the z80 upon start up reset all registers (including A) to 0? Many thanks, Robin
hi everyone,
does the z80 upon start up reset all registers (including A) to 0?
Many thanks,
Robin -
Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... ,
Nearly made my z80 computer with 2K ROM 32K ... -
Published Reviews of Programming the Z80 (Rodnay Zaks)I have started an article on Wikipedia for the book Programming the Z80 and would like if possible to reference any published reviews. Had a quick se…
... for the book Programming the Z80 and would like if possible ... a general text on the Z80 and not computer specific. What ... -
Z80 DOS Sorry this computer is too fast!I?ve tried the free Z80 Emulator v4.00 (DOS Version) downloaded from Gerton Lunters Homepage on my Intel Core2 Quad Q60 running at 2,40 GHz an it ju…
I?ve tried the free Z80 Emulator v4.00 (DOS Version) ... states:
----- Snip -----
Z80 - the Sinclair ZX Spectrum Emulator ... : Free registered version
Type Z80 -? for help
Sorry --- ... I want to use the Z80 DOS Emulator from a DOS ... -
ZX80 and 81 hardware questionsI'm finding a lot of the documentation that is ostensibly about the hardware of the ZX80 and 81 to be primarily about the software. I was hoping some…
... outside of the well-documented Z80 do.
First the ... a 0 off to the Z80.
When RFSH is ... ZX81 also has an NMI generator but I'm unclear on ... it usurps INT from the Z80's internal point of view ... -
Z80 sound enginesI'm looking for a decent sound engine to use in a Z80 program I'm writing, but I've no idea which is the best/fastest/easiest to use. I could do wit…
... engine to use in a Z80 program I'm writing, but ... -
Conversion of TAP/TZX/Z80 to Real Speccy TapesHey there. Not sure if this is the right place for this thread but hey ho. I've been playing about with converting Speccy tape images to WAV files …
... first using Z802TZX to convert Z80's, then, obviously, converting them ... converted loaded perfectly (using the Z80-TZX, then TZX-WAV method ... -
Barleywood Z80 Simulator LicenceHi All, Does anybody know if it is still possible to get a Licence for this Simulator? The reason I ask is that I'm currently using it to develop a…
... to develop a game in Z80 code and would like it ... years since I programmed in Z80 :p ).
Ultimately, my ... -
how can we convert .z80 to .tap ?is there some way to convert a .z80 file (specially 48k) to .tap, in a similar result as saved from Multiface1? (i'm asking this because i imagine th…
... some way to convert a .z80 file (specially 48k) to .tap ... i imagine binary information and z80 registers are both stored in ... -
Z80 => TAP? (128K!)Hi there. I know there are many programs that change 48K Z80/SNA into TAP. However I'm looking for a program that converts 128K Z80 into TAP. Is t…
... many programs that change 48K Z80/SNA into TAP.
However ... a program that converts 128K Z80 into TAP.
Is there ... -
Any Z80 native assembler with source code ?As in the subject - I am looking for native Z80 assembler that comes with source code.
As in the subject - I am looking for native Z80 assembler that comes with source code. -
Hex editor with z80 disassemblyAnnouncing 'he', a curses-based hex editor. Among its features is the ability to disassemble the byte under the cursor (and succeeding bytes if nece…
... bytes if necessary) as a Z80 instruction.
[url]https ... -
Repaired some 128K's todayI have lot's of ZX Spectrums laying aside with some more complex defects. Today I decided to try to fix some of them. I thought: why not share my ex…
... .
So I removed the Z80 and soldered a socket (made ... ;) ).
I put in another Z80 but it was still failing ... the state of that Z80.
Another Z80 solved everything, so this ... had a more complex problem: random fast changing lines on screen ... -
Testing Z80 op codesHappy new year all! I'm currently testing my Z80 emulator (hand written from scratch in C#) and I've possibly now gone insane, testing is taking hug…
... /> I'm currently testing my Z80 emulator (hand written from scratch ... Zaks "Programming the Z80" book and implemented the Z80 emulator from that ... -
New Game: Endless Forms Most Beautiful[IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loader.gif[/IMG][IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/ingame.gif[…
... ).
Each screen features: random colour schemes, layouts, blocks and ... />
The loading screen is random (if using emulator autoload has ... thread on the space invader generator lead me to include this ... -
Z80 - new MISTER BEEP albumAs a warmup for the upcoming 30th anniversary of our beloved machine, MISTER BEEP presents us his fourth album, named simply "Z80". [IMG]http://berl…
... his fourth album, named simply "Z80".
[IMG]http://berlin_hq ... -
A 30th Anniversary ProjectHappy new year (belatedly...) So with the 30th anniversary approaching, I've decided to do a hardware project to celebrate it. Something hands-on (o…
... img]http://photo.alioth.net/Random/spectramin-small.png[/img]
Random/spectramin.png[/url] )
... [img]http://photo.alioth.net/Random/theremin-prototype.jpg[/img]
generator will get epoxied to where ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how easy it actually is. (Actually I've already published this one some time ago, but this time the source is ... -
MinnaMicroZ80 v0.21 - Z80 Snapshot to Microdrive converterMinnaMicroZ80 v0.21 - The Z80 to Microdrive Snapshot Converter -------------------------------------------------------------- Written by Rob Shepherd…
... command line utility for converting Z80
snapshots so they ... point you fancy as a z80 format snapshot. Failing that,< ... you can also often download z80 snapshots from various places
MicroZ80.exe snapshot.z80 speccyname
This ...
