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<1…9101112131415…34>
  • Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…

    ... $11ts
    ld a, $ff ; da79 3e ff $07ts
    scf ; da7b ... $11ts
    ld a, $ff ; cd79 3e ff $07ts
    scf ; cd7b ... /> OUT ($FE),A ; output to port.[/CODE]

    Thanks Geoff ...
    jp jp October 2011 Infoseek database
  • New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…

    ... /> ld a,(hl) ; get the port row
    in a,(254 ... string which is terminated with $ff
    ; On entry, HL = address ... /> ld a,(de) ; get the port that the key was found ...
    polomint polomint October 2011 Development
  • Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…

    ...
    ld bc,$7ffd ; paging port
    ld a,($5b5c) ; get ... />
    filename: defm "FILENAME.BAS",$ff

    [/CODE]
    cmonkey cmonkey October 2011 Development
  • Create a new microdrive cartridge image formatHi there, I'm working to emulate the IF1+Microdrives in JSpeccy.I've found what the "classic" MDR format ins't capable to store all the required inf…

    ... writes 10 zeros and 2 FF bytes (the preamble), and then ... , the GAP signal for 0xef port is the GAP status associated ... the GAP bit in 0xef port). To save space, the GAP ...
    zx81 zx81 December 2011 Emulators
  • Spectrum loading asm via a PC?Hello all! I've written a spectrum emulator and I'm currently testing it but I have to keep resorting back to real hardware to verify things. I hav…

    Specemu has an option to boost ... a real COM or LPT port or text file.
    zxbruno zxbruno January 2012 Emulators
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... game use reading from port 255(#FF) = "attribute port". Is runable only on ... ZX models with readable port ... (this models return on port 255 always value 255 and ... can be modified for attribute port support, but this is ...
    velesoft velesoft January 2012 Games
  • New Game! Maritrini, Freelance Monster SlayerAfter experiencing the sweet taste of success, Maritrini woke up one fine day in a mess of bed sheets and with the biggest hangover she could remembe…

    ... test it.[/QUOTE]

    SpecEmu can do it (must be ... the 80-BF range (C0-FF can be used too, but ...
    Metalbrain Metalbrain January 2012 Brand new software
  • 'Turn to 400' blogAnyone who was a reader of the Fighting Fantasy gamebook series should check out this blog. [url]http://turnto400.blogspot.com/[/url] The author ha…

    ... my fave FF books, infact any FF book revolving around Port Blacksand is ... a pirate ship moored off Port Blacksand in the end.
    FF universe, the most modern AFAIK ...
    dm_boozefreek dm_boozefreek February 2012 Chit chat
  • Double Dragon Remake: The Development ThreadOk guy's, so this is the new thread that will be focusing on Jim Bagley's development of the Double Dragon remake that was first proposed by myself a…

    ... (grey) models do.

    SpecEmu can do it (must be ... the 80-BF range (C0-FF can be used too, but ...
    Ralf Ralf February 2012 Development
  • Spellbound 48k issues with ToastrackIve been busy converting a lot of games to +D disk, everything was going smoothly until I tried Spellbound, loading in 48k mode on the toaster it res…

    ... 's got a ROM cartridge port, hasn't it? So in ... have a suitable area of FF bytes (moving or stubbing out ...
    John Elliott John Elliott April 2012 Games
  • Hisoft Devpac and the MGT Plus DI've got (potentially) a bit of an odd one here that might cut across a couple of areas so I thought I would put it in misc. I am trying to Hisoft's…

    ... 00 00 00 00 00 FF FF
    RECFLG = 06 (MD.FILE ... being an idiot. Switched to SpecEmu - lacks some features in other ...
    maguman21 maguman21 April 2012 Sinclair Miscellaneous
  • Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…

    ... />
    (best) decode the IN #FF port and make a real read ...
    BiNMaN BiNMaN April 2012 Hardware
  • The ZX Spectrum on Your PC - print version (and discount)For those who are interested, 'The ZX Spectrum on Your PC' can now be bought in print (ISBN 9781471676215). You can see some pictures below. I'm ra…

    ... are a few observations:
    SpecEmu as the most accurate spectrum ... going to be the first port of call.

    As ...
    rich_chandler rich_chandler May 2012 Sinclair Miscellaneous
  • ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…

    ... also tried the file with SpecEmu and yes, I noticed ... need any OUT to port 254 to be performed ... need such OUT. Anyway, Specemu would need to be updated ... them but not in Specemu. Then I added them ... screen modes and suddently, Specemu started to work well... ...
    mcleod_ideafix mcleod_ideafix May 2012 Development
  • Odd versions of the Multiface One.I've been looking through the adverts for the Multiface One and it's clear that there were a number of versions available. Note the earliest advert …

    ... same CRC32 as the E4 FF version - 4B31A971. I wonder if ... the input from the joystick port, or something weird like that ...
    Ant Ant June 2012 Hardware
  • Low level microdrive programmingSo I'm on my lunch break trying to find out about low level microdrive programming (without using IF1 ROM). I see one can use port 0xe7 to read and w…

    ... is activated when the two FF bytes are read from preamble ... -
    a) start the motor (port 0xef)
    b) set the ... r/w bit (port 0xef)
    c) write to ... port 0xe7
    d) stop motor ... bit
    c) read from port e7 (byte-by-byte)
    zx81 zx81 July 2012 Development
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…

    ... one emulated by Spectaculator, Spin, SpecEmu, EmuZWin and whatever I know ... , but activated on a different port). I'm surprised EmuZWin doesn ...
    chev chev July 2012 Brand new software
  • best EmulatorHi, what is the best emulator for the speccy, I'm sure someone on here knows and could i get a link please

    ... joystick to the emulated joystick port - it's just not as ... />
    I never bothered with Specemu as its own website makes ...
    joefish joefish September 2012 Emulators
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... models, bit 6 read from port #FE is always 0:
    CF6F CP #FF ;FE FF
    CF71 JR NC,# ... 03
    CF73 LD A,#FF ;3E FF
    CF75 RET ;C9 ... ]
    CF73 LD A,#FF ;3E FF
    CF75 RET C ;[ ...
    Metalbrain Metalbrain December 2012 Games
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    One example of port decoding using a 74HCT30 (74HC30) ... /> 74HCT138 pin 7 = 255 dec = FF hex = 11111111 bin[/CODE]
    1024MAK 1024MAK December 2012 Hardware
  • No tea vicar on MB02Hello Folks, I have difficulties in getting "More tea vicar" (the free 128k version) running on the MB02. The game starts and you can choose control…

    ... Jmk;669706]What about... a port clash between ULA+ and MB02 ... br />
    Yes. Here is port collision between MB02+ and ULA ... /> Here is schematic with MB02+ port adress decoder:
    [url]http ... return on port #3B(ula+ port) undefined value (can be #FF). But on ...
    velesoft velesoft December 2012 Sinclair Miscellaneous
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... :
    [code];old I/O port adresses
    DAT EQU #2B ... adressation :-(

    TABLE OF PORT ADRESSATION (old/original devices):
    #FF/255 xxxxxxxx11111111 xxxxxxxx1xxxxx11 FDsys(6 ...
    velesoft velesoft December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... (C) BrdTpSpk(C)

    #FF/255 xxxxxxxx11111111 xxxxxxxxxxxxxxxx Atr(1 ... port)
    Brd - ď?đň ??đ?ţđŕ (border port)
    Key - ď?đňű ę?ŕ?čŕň?đű (keyboard port)
    Kjoy - ď?đň ęĺěďńň?? ?ć??ńňčęŕ (kempston joystick port ...
    velesoft velesoft December 2012 Hardware
  • No tea vicar on MB02Hello Folks, I have difficulties in getting "More tea vicar" (the free 128k version) running on the MB02. The game starts and you can choose control…

    ... velesoft;669727]Yes. Here is port collision between MB02+ and ULA ... ULA+ use ports #xx3B but port #3B is on MB02+ reserved ... /> Here is schematic with MB02+ port adress decoder:
    [url]http ... return on port #3B(ula+ port) undefined value (can be #FF). But on ...
    Speccyman Speccyman February 2013 Sinclair Miscellaneous
  • Windows emus on LinuxYesterday I tested my new Fuduntu Linux distribution and of course my favorite windows emulators. I was really pleasantly surprised at how well they …

    ... I have to use SpecEmu with Wine. SpecEmu is the only one ... handling of floating bits in port $fe being one (how do ... TK 90X, bit 7 of port $fe is apparently 1 for ...
    zub zub March 2013 Emulators
  • Windows emus on LinuxYesterday I tested my new Fuduntu Linux distribution and of course my favorite windows emulators. I was really pleasantly surprised at how well they …

    ... handling of floating bits in port $fe being one (how do ... I'm not sure what SpecEmu currently does regarding snapshot support ...
    zub zub March 2013 Emulators
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... earlier titles - namely, lack of #FF port for screen synchronization and different ...
    Alessandro Grussu Alessandro Grussu April 2013 Games
  • Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…

    ... mention this in detailing the port I/O. I'll admit ... /> RG:
    1FDB RST $38 ($FF)
    1FDC XOR $1B ($EE ...
    Jmk Jmk April 2013 Hardware
  • Circumspect - A Spectrum Emulator for learningThis is a project that I have been playing around with for a while. It must be said, I tend to have problems getting things finished where hobbies a…

    ... bit in the ULA input port to determine whether to run ... about this, and consider what SpecEmu does, but what's your ...
    zub zub April 2013 Emulators
  • Ate Bit Platform GameIMHO [URL="http://worldofspectrum.org/forums/showthread.php?t=28997"]this game[/URL] deserves to be preserved as "never released". It's available as…

    Nice game, but contain bad code (bugs). During play game can reset and in menu use incorrect port adress for reading keyboard (use I/O adress with A1=0 and on ZX128/+2 write value #FF to paging port 7FFD)
    velesoft velesoft April 2013 Infoseek database
<1…9101112131415…34>

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