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<1…19202122232425…34>
  • Assembler snippetsI was just thinking that a thread for small but useful assembler snippets to do useful things would be cool for people learning z80 coding. Not to me…

    ... />

    [code]

    xor a
    ld hl,23560 ...
    Dr BEEP Dr BEEP January 2009 Development
  • Metal up your ass - a thread that Mr K can join in with :)So.... what rock/metal do you like? what bands? albums? genre? do you like classic rock/metal? prog rock, psychedelic, glam, thrash, black, doom, dea…

    ... listened to a lot of Nirvana and Pearl Jam. I've ...
    dm_boozefreek dm_boozefreek January 2009 Chit chat
  • Metal up your ass - a thread that Mr K can join in with :)So.... what rock/metal do you like? what bands? albums? genre? do you like classic rock/metal? prog rock, psychedelic, glam, thrash, black, doom, dea…

    ... Maiden, Excrementory Grindfuckers, Foo Fighters, Nirvana, Pantera, Damageplan, Pearl Jam, Pig ...
    VincentAC VincentAC January 2009 Chit chat
  • Metal up your ass - a thread that Mr K can join in with :)So.... what rock/metal do you like? what bands? albums? genre? do you like classic rock/metal? prog rock, psychedelic, glam, thrash, black, doom, dea…

    ... /> Ian Moss
    Motorhead
    Nirvana
    Oasis
    Ozzy Osbourne ...
    rich_chandler rich_chandler January 2009 Chit chat
  • Metal up your ass - a thread that Mr K can join in with :)So.... what rock/metal do you like? what bands? albums? genre? do you like classic rock/metal? prog rock, psychedelic, glam, thrash, black, doom, dea…

    ... /> Gary Moore
    Motorhead
    Nirvana
    Oasis
    Ozzy Osbourne ...
    mel the bell mel the bell January 2009 Chit chat
  • Boovie MysteryHello, A while back I played Boovie. I got totally Stuck on level 14. When I consulted the CSS Usenet group, I found another poster had made the rema…

    ... , the page mentions the game "XOR", which was one of my ...
    Digital Prawn Digital Prawn January 2009 Games
  • Other forums and why they piss me offI was on this site where you can download comics and ended up in the comicbook forum (my blame there) and all of a sudden just because I was giving m…

    ... you reach that state of nirvana in which you realize *you ...
    rahtgaz rahtgaz January 2009 Chit chat
  • Other forums and why they piss me offI was on this site where you can download comics and ended up in the comicbook forum (my blame there) and all of a sudden just because I was giving m…

    ... you reach that state of nirvana in which you realize *you ...
    Scottie_uk Scottie_uk January 2009 Chit chat
  • MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…

    ... :
    ld a,80
    xor 8
    ld (pg+1 ... ) ;next frame change order
    xor 8
    ld (pg+1 ...
    omega omega January 2009 Development
  • MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…

    ... ASDF ld a,%00011000
    xor %00001000
    ld (ASDF+1 ... /> out (c),a
    xor %00001100
    ld (PUSH),a ... /> out (254),a

    xor a
    in a,(254 ...
    velesoft velesoft February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... no shorter...
    [code]
    XOR A
    LD HL,$5800 ...
    rich_chandler rich_chandler February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... /> [CODE] ld hl,5800h
    xor a
    Loop dec hl ...
    evilpaul evilpaul February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... /> [code] ld hl,5800h
    xor a
    Loop dec hl ...
    rich_chandler rich_chandler February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... ]
    ld bc,57FFh
    xor a
    Loop ld (bc ...
    baze baze February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... />
    This applies to the XOR A version as well.
    Patrik Rak Patrik Rak February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... ? I think you need additional XOR A.

    POST EDIT ...
    baze baze February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... />
    Well, you right about XOR A, though it's not ... (HL),A:

    [code] xor a
    ld h,#5b ...
    Shiru Shiru February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    [QUOTE=Shiru;333751]
    [code] xor a
    ld h,#5b
    dec hl
    ld (hl),a
    or (hl)
    jr z,$-3[/code][/QUOTE]

    This one (with or without the L-trick) is perfect :)
    baze baze February 2009 Development
  • Q on overflow on subtraction of 2 numbers.I came across this bit of code (paraphrased for clarity) that set the overflow flag on subtracting two numbers: result = A - B; overflow = (((A ^ B)…

    ... ; (A ^ result) & 0x80) != 0); //^ = xor operator

    That is ... both have the same sign (xor gives 1 if different so ...
    Arjun Arjun February 2009 Development
  • i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…

    ... latter period) before he joined nirvana)
    now
    another cd ...
    mel the bell mel the bell February 2009 Chit chat
  • 'Ocean Re-united', Byte-Back, videos & photos'Ocean Re-united', Byte-Back Longton, Stoke On Trent, 7th March 2009 "One of the most famous software houses of the 80s and early 90s was Manchester…

    ... after this fortuitous visit to Nirvana.

    Sliding into the ...
    tandemar tandemar March 2009 Sinclair Miscellaneous
  • AY tracker routineHi. Yesterday i played with some ay tracks and was surprised how big are tracker routines and music data (over 1.5KB for Pro Tracker routine and 4-6 …

    ... be seen for example in Xor 128, which I have implanted ...
    Patrik Rak Patrik Rak March 2009 Development
  • TZX format and Enterprise files(**) The Enterprise stores data in a different way than all other computers do. It stores the LSb first, but the data blocks require the data to be M…

    ... have all that talk about XOR checksums when it could say ...
    Fraser Fraser March 2009 Emulators
  • 1K Minigame : 3D RacerLast year I started to code a 3D Racer in 1K. The print of the road was however quite flickery so I put it away to pick it up this week again. I deve…

    ... [/B]
    and 1
    xor 1/0 ; alternative switch
    Dr BEEP Dr BEEP March 2009 Games
  • i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…

    Nirvana: In Utero

    Current track: Milk it
    dm_boozefreek dm_boozefreek March 2009 Chit chat
  • Making Horace play fair!Hi again Has anyone created a new or twiddled version of Hungry Horace that has a more fair screen 3 and 4? Or a version of the spiders where the f…

    ...
    JR C, 6105h
    XOR A ; Last level, wrap to ...
    John Elliott John Elliott April 2009 Games
  • "Ignore the decent majority, and legalise cruelty" [paraphrasing]I would never vote Tory (Conservative) anyway*, but here is yet another reason why not: [URL]http://news.bbc.co.uk/1/hi/uk_politics/7986804.stm[/URL…

    ... drawbacks and is hardly a nirvana - and it certainly wouldn't ...
    Winston Winston April 2009 Chit chat
<1…19202122232425…34>

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