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  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... source code for the paging!
    The bx register holds the Z80 ...
    Woody Woody March 2007 Emulators
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... ;176957]This is the complete source code for the paging!
    The bx register holds the Z80's PC address on entry ...
    BloodBaz BloodBaz March 2007 Emulators
  • Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…

    ... . Taking some burden off the z80 is a good idea too ... be used as an immediate source for a tcp/ip stack ... complete tcp/ip stack in z80 for fun. However the 8051 ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Hardware
  • Possibly a little OT: Exporting ROM function addresses to the Z88DKOK, so I'm using the Z88DK. It's entirely possible that some documentation has bypassed me. But assume I have a function in ROM, say, at address 0xF0…

    ... I've given for my Z80 board):

    This _doesn ... example files ('embedded') in the source tarball of the z88dk.
    Winston Winston April 2007 Development
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... a fast Z80 cross-assembler that can compile a 200K source file ... worth. I remember the untokenised source code being very bloated, leaving ...
    obo obo April 2007 Development
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... VAX didn't have a Z80 and could not run CP ... don't need a Z80 on the source machine to assemble code ... assemble coin-op code (the source being [url=http://www.textfiles ... cross assemblers that took their source code cues from [b]Zeus ...
    TMR TMR April 2007 Development
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... don't need a Z80 on the source machine to assemble code ... was only ever available for Z80, 8080 and later 8086 based ...
    Winston Winston April 2007 Development
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... old +2 using the LERM Z80 Toolkit. By putting the symbol ... this allowed about 30K of source code and 5k of object ... code in one big source file. The source for Gamex, for example ...
    jonathan jonathan April 2007 Development
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... just wanted to use the Z80 emulator). CP/M was never ... that CP/M is closed source and you'd be porting ...
    Winston Winston April 2007 Development
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... was only ever available for Z80, 8080 and later 8086 based ... [URL="http://www.cpm.z80.de/source.html"]CP/M also ran ...
    zub zub April 2007 Development
  • Spectrum game disassembliesHello, I was wondering if anybody knows if there are any websites which collect spectrum game disassemblies or listings? I have been thinking it wou…

    ... is welcome to the commented source code for my Area 51 ... look at the Area 51 source, that would be pretty cool ... even better. Of course my Z80 skills are rustier than Mels ... em').

    Is the source code for these games on ...
    dm_boozefreek dm_boozefreek May 2007 Games
  • Spectrum game disassembliesHello, I was wondering if anybody knows if there are any websites which collect spectrum game disassemblies or listings? I have been thinking it wou…

    ... look at the Area 51 source, that would be pretty cool ... even better. Of course my Z80 skills are rustier than Mels ... em').

    Is the source code for these games on ... somewhere?[/QUOTE]

    The source was contained in the zip ...
    jonathan jonathan May 2007 Games
  • Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…

    ... might also look at Open Source ZX page:

    [url ... use for you. Look at Z80 bits by Baze, MSX assembly ...
    omega omega May 2007 Development
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... RAM and there's no Z80 slowdown. There's also no ... /> Both designs are open, all source files are availible, so they ...
    Sonic Sonic May 2007 Hardware
  • Bipboi Adventure - Tech DemoHere is the first tech demo of my Bipboi game, still in progress (2 Years now :-? ) Anyway, have a download, let me know what you think. This wil…

    ... emu but lost all my source and cant be bothered to ... I can get back into z80 programming, i might even give ...
    polomint polomint May 2007 Development
  • Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…

    ... /> Much easier is to understand Z80 code than learning russian language ... free version of IDA with Z80 support. It's a bit ... = [B]"Z80"[/B]

    [quote]Another thing. The source TRD for ...
    omega omega May 2007 Development
  • The birth of JasminHi, all. I'd like to announce, that a new ZX Spectrum emulator has just been born. I called it JasminEmu. It's written entirely in Java, and makes u…

    ... download games from any other source, ie. from WoS. I didn ... , you have faster implementation of Z80, it'll be possible to ... tested it with four different Z80 implementations taken from following emulators ...
    micapolos micapolos May 2007 Emulators
  • New Discussion Group? Sinclair Machine Code/AssemblyHello, What do people think about whether we should have a new discussion group relating to machine code for Z80? We have a Sinclair Basic discussi…

    ... the point of a pure z80 discussion and a development discussion ... where he has his Haiku source and beziere info excellent stuff ...
    dekh dekh May 2007 Sinclair Miscellaneous
  • Konami Coin Op Hits questionHi I don't quite know where to put this, mods can move my post if they like. I've recently purchased the Konami Coin Op Hits (by Imagine) compilati…

    ... with STP we seek authentic source tapes to create TZXs out ... 't have in any format (Z80, CSW, TZX etc). There's ...
    Andrew Barker Andrew Barker May 2007 MIA/STP/SDP
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... read and understand the source code. You'll also ... though I do keep the z80's -- and z88dk's -- ... , is written for a z80 machine with a crazy display ... function prototypes and the source file containing the actual ... memory address, on the z80, is 2-byte in size ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... />
    I also used the -z80-verb flag but nothing extra ... :

    Here is the source

    [CODE]// scroll-test ...
    wokani wokani July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... bits for "uchar l". The z80's stack pointer will, therefore ... generate code. Functions written in z80 can use all three, with ... /> [/code]

    with the z80's stack pointer SP pointing ... (unless you look at the source code) so save any that ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... unit) gets its own header/source file pair. In C there ... discuss the functions in each source file so that everyone is ... +-2 billion or so). The z80 has register pairs that can ... used yourself inside u_rnd()'s source in "utility.c" to uniformly ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... I haven't seen any z80 random number generator that is ... .com/?8k9hm4zom10"]download taps and source here[/URL])

    [code ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…

    ... .homecall.co.uk/spec/splitp_demo2.z80]Demo 2[/url].

    source code file to be used ...
    FrankT FrankT August 2007 Games
  • He's back......and he's got a new trick! AY Chip here. I've been away far too long. I would like to announce 'HatStand': for no adequately explored reason, I h…

    ... , yes? So... how does the Z80 know that the interrupt should ... fancy working on an open-source BASIC project? :D
    Where's that AY chip gone... Where's that AY chip gone... August 2007 Chit chat
  • FuseX on the Xbox :releases, testing and feedbackI'm creating a new thread here to continue on from the thread about emulators on the Xbox ([url="http://www.worldofspectrum.org/forums/viewtopic.php…

    ... that in a moment), .tap, .z80, .zip, .rzx, I love ... was called:

    MANICM.Z80

    then the ... I think SGD is open source?), this would be far better ... add a [I]SAVE .Z80 SNAPSHOT[/I] option? I ... save it as a .z80 file for instant future loading ...
    ewgf ewgf August 2007 Emulators
  • A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…

    ... /O port addressing in the Z80 is that the processor works ... go, but later in the Z80 design they went for the ... why.

    Finally HL = Source Address, DE = Dest Address, BC ...
    BloodBaz BloodBaz August 2007 Sinclair Miscellaneous
  • Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…

    ... you have got is invaluable source of insight as well.
    Z80 interrupt occurs? This is offset ... 's tech notes about his Z80 emulator, which is from quite ...
    Patrik Rak Patrik Rak September 2007 Emulators
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Latest Posts

  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on 9:55PM
  • Goodbye Z80
    moggy on 9:07PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

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