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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…
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Well my exploration of Z80 MCODE continues apace! I am ... -
JSpeccy new releaseA new version of my Java based ZX Spectrum emulator has been released. The summary of new features is: - 128k/+2 ZX Spectrum emulation - AY-3-8912 …
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:Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... interface
- Load this Z80 or SNA snapshot in FATWARE on DIVIDE ...New TR-DOS utilities (2010)[url]http://velesoft.speccy.cz/other/trdos-utils-2010.zip[/url] This archive contain new convertors for PC: [B]SNA2SCL[/B] - convert SNA snapshot t…
... [/B] - convert SNA snapshot to tr-dos snapshot in SCL
[B]Z802SCL[/B] - convert Z80 snapshot to ... tr-dos snapshot in SCL
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]New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... is to compress 48K .SNA snapshot files so they can be ... values for that specific compressed snapshot. The program file should be ... of memory to hide compact Z80 code including the register setup ... with only 17 BYTES of Z80 code left on the top ...Saving a snapshot to disk?Do any of the emulators have a snapshot to disk option, so I can save to a disk image? I want to convert the image to real 3.5" floppy. I would just …
... of the emulators have a snapshot to disk option, so I ...Fuse for Mac OS X 1.0.0 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…
... Szasz; thanks, Simon Owen).
[*] Z80 NMI should take some time ... ).
[*] Query for an initial snapshot when opening a RZX file ...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?
TIAMF3Z80 without +3e (like M3Unlock)Recently I've had a pop again at putting the copy protected Rainbow Islands onto real +3 disk. Some people may remember I tried to do this some time …
... to cheat take a MF3 snapshot (I have a real MF3 ... works and produces a working Z80 file. Unfortunately there is no ... way of loading a 128K Z80 file directly from a +3 ... a solution to running a Z80 snapshot file from +3 floppy without ...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 ...Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... these while I was learning z80 machine code.
Anyway ...
ld c,%10000000 ; 7t - reset the mask
; *********************
; create ... moved one screen quadrant down, reset h
ld h,c ...Outputting a finished adventure game from Graphic Adventure CreatorI'm trying to write an adventure game using Graphic Adventure Creator. How do I use the Save Adventure command in Graphic Adventure Creator to save a…
... Adventure Creator to save a z80 or tap file that I ... I could merely save a z80 snapshot of GAC, but I don ...JSpeccy 0.88.4 releasedA new JSpeccy has been released. The main changes are: [LIST] [*]Resolves a problem in AY emulation code what affects the sound of Retrowork's game …
... ]
[*]Updates the reset method at the Z80 core with the mcleod_ideafix ...GryzorThe WoS entry for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002159"]Gryzor[/URL] contains a TAP image for 128K only (which is an e…
Snapshot saves = cheating?Do you consider using snapshot saves as cheating? Obviously most modern games allow you to save anywhere but speccy games were designed to be played …
Do you consider using snapshot saves as cheating? Obviously most modern games allow you to save anywhere but speccy games were designed to be played through without saving. So what do you think?Examine Spectrum snapshot for graphics (web tool)I've knocked up a quick web-based tool for looking for graphics within a snapshot. (It's a bit like 'Spectrum Graphics Editor', which I used to use a…
... looking for graphics within a snapshot. (It's a bit like ...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.Help testing Elite on Opus Discovery image LenslockHi folks, I've recently bagged the Opus Discovery version of Elite by Firebird, but I'm having trouble getting the lenslock to work. .... scrub tha…
Streams - File HandlingHello there my fellow WoS'ers I am attempting to write a Z80 / Snapshot Launching program that is based on a category of files # - Z whereby each f…
... am attempting to write a Z80 / Snapshot Launching program that is ... scru128.z80,Space Crusade 128,
sabt48.z80,Sabotuer,
sbound.z80, ... />
[code]
scru128.z80,Space Crusade 128,Z
sabt48.z80,Sabotuer,Z
...etc ...IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…
... device, this plugs into the Z80 CPU socket and provides an ... .... thats over 10,000 48k snapshot files!
+3e DOS ... ... but thats over 340 48k Snapshot files!
I have ... want to develop a simple SNAPSHOT launcher for the +3e DOS ...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 ...
