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<1…20212223242526…34>
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... ; sysvar last key pressed
    xor a
    ld (hl),a ...
    Dr BEEP Dr BEEP April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... ; sysvar last key pressed
    xor a
    ld (hl),a ...
    ASH-II ASH-II April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... beginner actually.

    [B]XOR A[/B] means [B]LET ... A = A XOR A[/B]. Assuming you know ... what XOR does, you should probably be ... coders will always use [B]XOR A[/B] instead of [B ...
    joefish joefish April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... />
    [CODE]
    _WAITFORNOKEYS
    xor a
    in a, ($fe ...
    bobs bobs April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... />
    [CODE]
    _WAITFORNOKEYS
    xor a
    in a, ($fe ...
    frobush frobush April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... than ld a, 0)
    xor a
    ; Read port $00FE ...
    bobs bobs April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... : why do you [COLOR=Blue]XOR A[/COLOR] if you then ...
    szeliga szeliga April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... question though: why do you XOR A if you then overwrite ...
    bobs bobs April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... question though: why do you XOR A if you then overwrite ...
    Alcoholics Anonymous Alcoholics Anonymous April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... /> ; Kempston joystick read...

    xor a
    in a,(0x1f ...
    frobush frobush April 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... />
    [CODE]
    _WAITFORNOKEYS
    xor a
    in a, ($fe ...
    BloodBaz BloodBaz April 2009 Development
  • Alllmost Sinclair Basic CompilerYou guys looked at the compiler Boriel is working on over at boriel.com? It's definitely interesting work - and makes Spectrum m/c as output...

    ... too (Binary AND, OR and XOR).
    It is not Spectrum ...
    LCD LCD April 2009 Sinclair Basic
  • 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…

    The Jesus Lizard / Nirvana split single - Puss & Oh, The Guilt. I've not listened to this in years :D
    Bermondsey Bob Bermondsey Bob May 2009 Chit chat
  • Desperately need help with .TAP file bug (probably a wrong value error)I'm trying to create a .tap file with Java and have been following the specification at [url]http://www.zxmodules.de/fileformats/tapformat.html[/url…

    ... a Checksum
    calculated by XOR of all preceding data bytes ...
    Alcoholics Anonymous Alcoholics Anonymous May 2009 Development
  • Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…

    ... .

    Otherwise:

    XOR A
    CALL #1601 = lower ...
    Dr BEEP Dr BEEP May 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... /> jp (ix)

    testearly xor a
    ld a,r ...
    Bob Stains Bob Stains May 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…

    Nirvana - Bleach

    for probably the first time in 12 years, heh

    quite good too :)
    liamenikufesin liamenikufesin May 2009 Chit chat
  • 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…

    Mojo presents:- Island Folk
    and its what it says on the tin (john martyn, jethro tull, nirvana, sandy denny, richard and linda thompson, fairport convention, etc)
    mel the bell mel the bell June 2009 Chit chat
  • Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.

    ...
    AND
    OR
    XOR
    CP
    INC8
    rich_chandler rich_chandler June 2009 Emulators
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... 1 presence:
    [code]
    XOR A:LD (INT1OK),A ; Assume ...
    Jonathan Harston Jonathan Harston June 2009 Development
  • BIN shorter than NOT PI?Some time ago I checked many loaders and want to ask why coders are using BIN and not NOT PI? NOT PI is only 2 Bytes, BIN would be better if it would…

    ... the Z80 assembly instruction [B]XOR A[/B], which (if you ...
    ajmoss ajmoss June 2009 Sinclair Basic
  • Quadrax - Compatibility problems - help!I bought this game last month and when I tried to load it today...it crashes in my +2A!!! Sh*t!! the game was expensive to get, and now I can't play …

    ... />
    ld hl,back1 xor #d39f
    ld (#5d19),hl ... /> back1
    ld hl,#1E18 xor #6D64 ; JR +30
    ... l
    ld (hl),#a0 xor #30

    ld ...
    Bob Stains Bob Stains July 2009 Games
  • +3 Centronics port: How does it work?I've been trying to follow the code with Fuse's debugger and I can't see it writing anywhere except to port 0x1ffd. It also jumps through some fairly…

    ...
    ld bc,0x1ffd ;
    xor a ; clear bit 4 when ...
    chev chev July 2009 Hardware
  • Back to Skool disassemblyAs mentioned in [url="http://www.worldofspectrum.org/forums/showthread.php?t=22841"]this thread[/url], I've been working on a disassembly of Back to …

    ...
    ld d,128
    xor a
    ex af,af ...
    Mr Millside Mr Millside July 2009 Development
  • FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…

    ... A,(HL) ;1st read
    XOR (HL) ;2nd read, to be ...
    roko roko July 2009 Hardware
  • 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…

    Robert Plant - Manic Nirvana.
    rich_chandler rich_chandler July 2009 Chit chat
  • Has any programmers recently pushed the spectrum to the limits?Hi there. Ive just discovered this great forum and I was brought up with the speccy 16,48 and then 128k. Im just wanting to know if there are any re…

    ... /> DEFW 0

    DEMO1 XOR A
    LD (STRTLN),A ...
    AMW AMW August 2009 Development
<1…20212223242526…34>

Latest Posts

  • i am currently listening to........
    Paradigm Shifter on 12:26AM
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    dmsmith on April 16
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    mel the bell on April 16
  • Cooperative Games.
    Paradigm Shifter on April 16
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    harriusherbartio on April 16
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    Antiriad2097 on April 16
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on April 16
  • I am currently watching.....
    zx1 on April 15

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