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Composite video and reset buttonOK, I've got some Kempston clone interface here, and I've added a phono socket and a small momentary switch to it (ages ago but forgot about it) . :)…
... connector
Wire reset to reset signal on edge connector.
reset, is it just the what ... I'd guess (reset pin on one side of ... -
Z80 'EXX' ConfusionI was working on a little Z80 routine last evening, and, having run out of registers, resorted to sticking one of the values into a memory location a…
... was working on a little Z80 routine last evening, and, having ... instead (something in my short Z80 life, I've not tried ... -
Sinclair ZXC3 FLASH ROM CartridgeI recently received mail about the new ZXC3 PCB which provides the unique ability to program it directly from the Spectrum without the need for an EP…
... compilations from emulator snapshot files (.Z80 and .SNA) and ROM image ... can automatically recognise when the reset button of the Spectrum +/128 ... -
What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... ://retrospec.sgn.net/game/z80asm"]Z80 PC Assembler or z80asm[/URL ... the best books for learning Z80... I'm currently using Toni ... -
Defenda (Interstella) makes resetDefenda from Interstella makes a reset if I take No. 1 Kempston joystick. My jockstick interface is from Ram Electronics (Fleet) Ltd. Joystick is a C…
Defenda from Interstella makes a reset if I take No. 1 ... -
Soft Aid.. 2010 version.[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=270525929062&[/url] I know you lot are a generous bunch and maybe you missed out on soft a…
... maybe you missed out on soft aid the first time around ... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... depends on SDL (included)
[*]Z80 core is not 100% translated ... /off
[B]F12:[/B] reset
[B]Esc:[/B] quit ... -
Multiface One problemsI bought a Multiface One. After a lot of trouble I changed the CPU because NMI was faulty. Saving a game is no problem. When I load a saved game it…
... the ZX 48K makes a reset or the game is not ... the schematic but only the Z80 makes it. Or is this ... -
Which reset method on ZX 48K?What reset method is correct on issue 3b ZX 48K: One wire to R68 and one to C27 (Manual from ZX Spectrum +) or One wire to Pin 26 from CPU and one …
What reset method is correct on issue 3b ZX 48K:
One wire to R68 and one to C27 (Manual from ZX Spectrum +) or
One wire to Pin 26 from CPU and one to GND
Micky -
MIA not listed found: En Busca De MortadeloRecently, digging in a Speccy CD-ROM from Amiga, called "Speccy Sensations", i?ve found the game,not listed anywhere in WOS.. This is a game program…
... programming competition hosted by Dro Soft.
I?ve downloaded ... TZX or Tap available, only z80, and the author doesn?t ... -
Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …
... ignored until the computer is reset.[/COLOR][/FONT]
and ... midi data I need to reset the mapping:
1. OUT ... lines of code will be Z80-compatible):
OUT #7FFD, 0 ... -
Peter Giblin 1984/1985Philip Giblin Early boards on eBay As revealed in the letters pages of YS in 1984, Philip Giblin produced boards for the SOFT-ROM and two of his bo…
... Giblin produced boards for the SOFT-ROM and two of his ... /> Although the latter, which provides RESET and NMI, will work on ... really well with the 1984 SOFT-ROM which has two switches ... which was the version of SOFT-ROM I bought with two ... -
z80 emulator with converter ?Hi i am finding the old z80 emulator v2 or v3, dont remember. Some of these versions have the snapshopt to 1.45 converter that allows us to conver t…
... /> i am finding the old z80 emulator v2 or v3, dont ... reasson is to use the z80 snapshot loader in the spectrum ... -
Some ROM/EPROM questions...I've got a ZX Spectrum +, a +2A and +3 computers, and I've been using +3e project ROMS for a while in my +3. I was thinking about using an EEPROM or…
... 4 bit counter, with a "reset" button (for the counter) ... feasible? I wanted to reset the speccy every time advance ... or reset button were pressed (or ... change is finished), but reset signal is not present in ... without powering down the Z80? -
48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…
... very hot and the Nec Z80 is hot too. And all ... I added to Ula and Z80 two mini heatsinks like this ... C27 (the cap linked to reset switch) presents rust (sic) to ... -
Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... I have started to learn Z80 machine code - 25 years too ... -
Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…
... />
Well my exploration of Z80 MCODE continues apace! I am ... -
An unreleased game discovered: Super L?pez - El Se?or de los ChupetesNot declared as MIA, but this game has been developed more than twenty years ago but remained unpublished anywhere until now. One of the authors of …
... (graphics) (Rino-Soft)
Archive: ZIP with two .Z80 files (Part ... -
How to convert TAP to Z80?Hello there! I don't know English language very well, but I need help from you( I want to play ZX-Spectrum games at my Samsug Star mobile phone. I d…
... ] , but it can play only Z80 tape images. How I can ... filetypes (TAP, TZX etc.) to Z80? Help me please :cry: -
Adventure Island: based on Hudson Soft NES game[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0025139"]Adventure Island[/URL] is based on the Hudson Soft game of the same name (the NES ver…
[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0025139"]Adventure Island[/URL] is based on the Hudson Soft game of the same name (the NES version).
[url]http://en.wikipedia.org/wiki/Adventure_Island_(video_game[/url]) -
Alien8 will not run on Divide?I can't seem to get Alien8 running on my 128+ with Divide. I have the original tape and have loaded into an emulator to create a snapshot, (.z80) an…
... emulator to create a snapshot, (.z80) and when trying to load ... then the Speccy performs a reset, Grrrr.
The snapshot loads ... -
Z80 Based Laptop[url]http://www.retroleum.co.uk/electronics-articles/previous/the-v4z80p-a-z80-based-laptop/[/url]
[url]http://www.retroleum.co.uk/electronics-articles/previous/the-v4z80p-a-z80-based-laptop/[/url] -
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? -
Adding a reset switch to a 48K?I've done this before but can't for the life of me remember which line to pull to ground! I tried /NMI which does reset the machine when it's in bas…
... /> I tried /NMI which does reset the machine when it's ... running. Would it be the /RESET line?
TIA -
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 ...
