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<1…19202122232425…34>
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ...

    ; exit:
    ; carry flag = outside clipping rectangle
    ; a ...
    Alcoholics Anonymous Alcoholics Anonymous August 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... /> CDFLAG DEFB 0 ;Collision Detection Flag
    ;BIT 0 set if ...
    dmsmith dmsmith August 2004 Development
  • Retro gamer Issue 1 for sale on EbayHi everyone, ISSUE ONE of Retro Gamer for sale on Ebay. [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=6917605552&ssPageName=STRK:…

    ... rack up lot's of negative feedback and carry on scamming ...
    thx1138 thx1138 August 2004 Sales
  • Old Posts, Double Dragon remake, Lost picturesI assume we all here read old posts, I`ve been making my way through the devoplment ones last week, with the Misc ones also.. and now, finally I get…

    ... still posts here, and despite negative thoughts on the idea, he ...
    Spector Spector August 2004 Sinclair Miscellaneous
  • New vault updateWell, it's interesting to see how totally underwhelmed most people are about the new update! Or are they still busy downloading everything ;) The on…

    Gilby - Thanks for the updates. However, is there any chance you can flag the new titles as I am not sure on the latest C64 taps?
    Thanks!
    LeeT LeeT August 2004 MIA/STP/SDP
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... ; if moving left, result is negative
    JR NZ,left ; so ... jump if xmove is negative

    ; MOVE RIGHT
    robpearmain robpearmain August 2004 Development
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... ; if moving left, result is negative
    JR NZ,left ; so ... jump if xmove is negative

    ; MOVE RIGHT
    robpearmain robpearmain August 2004 Development
  • Latinamerican Speccy Games?Hello all speccy fans! First of all, excuse my english. I'am a spanish native speaker, so I can write (speak) only a little bit of the language. But…

    ... Psion and Ultimate games (Chequered Flag, Chess, Jet Pac, etc.) and ...
    Motomono Motomono August 2004 Games
  • Wanted: Monty MoleHe he he he he!!!!

    sent :)

    gig sounds cool dude, just like the old days :)

    im just downloading all the black flag albums ive rediscovered em :)
    mel the bell mel the bell September 2004 Wanted
  • Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…

    ... Byte is used as a flag for whether sprite is on ...
    dmsmith dmsmith September 2004 Development
  • Spectrums games vs. modern games; very interesting... I've read a number of replies (on Matt's tears thread) regarding spectrum and modern console games. I found it very interesting. I think the games …

    ... the exploding fist
    Chequred Flag vs. Gran Turismo
    Metal ...
    Parky Parky September 2004 Games
  • Spectrums games vs. modern games; very interesting... I've read a number of replies (on Matt's tears thread) regarding spectrum and modern console games. I found it very interesting. I think the games …

    ... the exploding fist
    Chequred Flag vs. Gran Turismo
    Metal ...
    Spector Spector September 2004 Games
  • Wanted: Monty MoleHe he he he he!!!!

    aaaaaah i aint got that far yet :p

    only downloaded family man off the family man album so far.

    got all of damaged and 2 tracks away from all of slip it in .....the 2 classic black flag albums if you ask me :)
    mel the bell mel the bell September 2004 Wanted
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    [code]
    dec a
    jp c,dosomething
    [/code]




    [/quote]


    DEC A
    won't give a carry, only Zero flag.
    Dr BEEP Dr BEEP September 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... give a carry, only Zero flag.
    [/quote]

    Bah ...
    AndyC AndyC September 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... Byte is used as a flag for whether sprite is on ...
    dmsmith dmsmith September 2004 Development
  • Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …

    ... the sprites
    c) Set FLAG to say new screen ready ... />
    IM2
    a) Is FLAG set, if so LDIR copy ...
    robpearmain robpearmain September 2004 Development
  • I say, Woo HoooYesterday Amstrad revealed a new Spectrum with Game Controller. [url="http://www.amstrad.com/e3_games.html"]http://www.amstrad.com/e3_games.html[/url…

    There will now follow a lot of negative replies by the resident "pooh-poohers" :)
    thx1138 thx1138 September 2004 Games
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... 18 [/quote]
    The carry flag will be 1 (as bit ... the case - does the overflow flag (flagP/V) change to 1 ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... 18 [/code]
    The carry flag will be 1 (as bit ... the case - does the overflow flag (flagP/V) change to 1 ... example, will affect the carry flag. However INC HL won't ... all those cases where a flag is documented as being "undefined ...
    AndyC AndyC September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... example, will affect the carry flag. However INC HL won't ... /> With regards to the overflow flag - would it be set everytime ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... /> With regards to the overflow flag - would it be set everytime ... that use the parity/overflow flag to indicate it.

    AndyC AndyC September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... ) that we can represent a negative number by working out its ... of these numbers must be negative right?

    MadDoc,
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... ) that we can represent a negative number by working out its ... of these numbers must be negative right?[/quote]

    Doesn ...
    cyborg cyborg September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... a value is positive or negative. I am I going about ... then you would convert the negative number to it's positive ...
    cyborg cyborg September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... a carry and an overflow flag. Carry is somewhat meaningless if ...
    AndyC AndyC September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... says:
    [quote]The carry flag you have met. It will ... ;255 (326) then the carry flag will be set. Is this ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... answer with the correct carry flag status. I seem to get ... not sure if the carry flag is being set at the ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... can check if the carry flag should be checked or not ...
    MadDoc MadDoc September 2004 Development
<1…19202122232425…34>

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