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<1…20212223242526…34>
  • Games that crash because of contended memory.I find these are really annoying. You load up a game like Astro Marine Corps, Fantasy World Dizzy, Dizzy: Prince Of The Yolkfolk and so on (the init…

    ... that was).

    A bit like those BASIC programs that ... top 3 bits holding non-zero values...
    Jmk Jmk March 2006 Games
  • Assistance with IM2 routineI subsequently got a working IM2 routine.

    ... mode in order to preserve bit 7, which handles memory paging ...
    AND $80 ; mask off bit 7
    OR $3E ; 62d ... IM2 routine is running bit 7 is always zero. Am [/quote]
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Development
  • ZX Advance on the DS....It's fantastic!!! I new soon or later I was bound to get a DS, even though I have Zero time to play with it, and I am glad I did!! First thing I did …

    ... the animation does seem a bit jumpy.

    If these ... )to play the new project zero 3 game on it as ...
    Technician-Ted Technician-Ted March 2006 Sinclair Miscellaneous
  • Timex 80 column display driverI subsequently wrote an 80 column font driver for 512x192 mode.

    You can still save a few cycles in all instances of ADD HL,BC where C is loaded with zero by using 8 bit additions via A.

    LD BC,xx00 : ADD HL,BC = 21 cycles.

    LD A,H : ADD A,xx : LD H,A = 15 cycles.
    Woody Woody March 2006 Development
  • I just did something very out of characterI was downstairs when i heard something come through the letterbox. It was a newsletter from the BNP as soon as i saw what it was i opened the door a…

    ... was a field (well, a bit of grass) close by, and ... I cannot honestly remember one bit of trouble or racist insult ... around on about the only bit of grass close by. We ... expected to ignore it and carry on paying our excessive taxes ...
    ewgf ewgf March 2006 Chit chat
  • FP Calc QuestionWhen using the FP Calc (RST 28h) to perform a subtraction how do you find out what the sign of the result is? ie. +/-. For example if I stack two va…

    ... FP-TO-BC then the zero flag will be set Z ... NZ if negative.
    The carry flag will be set if ...
    Geoff Geoff March 2006 Development
  • Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks

    ... Basic. There is quite a bit of software that just will ... better than letting the programmer carry on typing about 10 lines ...
    speccy8 speccy8 March 2006 Sinclair Basic
  • Best song lyric(Mondegreen or actual.) I've already posted the Genesis mondegreen "Can't you feel arseholes ignite"; to my mind, one of the best actual lyrics I've…

    ... be being a bit thick here!!)?

    Carry On my son ...
    Vampyre Vampyre March 2006 Chit chat
  • the jetsonshello i am trying to map this game,i have already done level 1 but i am stuck on level 2(not to mention level 3+4)have already checked the tipshop b…

    ... was completed. Just carry on with the next bit of the solution ...
    Mr. Anonymous Mr. Anonymous April 2006 Games
  • XLR-8 mastering utilities - help wanted!!Hello. Ironic I know given I wrote them! I can't for the life of me get the XLR-8 mastering utilities to work under emulation. It goes through the m…

    ... but am finding it a bit hit and miss. The method ... edge just causes a clear Carry
    flag and a loop ...
    JonNorth JonNorth April 2006 Development
  • A Public Service AnnouncementThis thread is here for anyone to plug brand-new websites. I'll read it, so you'll get at least some marketing/exposure out of it... I'll start the …

    ... 't fraud. It's a bit of fun. I would really ... profit so far has been zero.[/quote]

    1. It ... /> 4. It might be a bit of fun for you, but ...
    Lee Fogarty Lee Fogarty April 2006 Announcements
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... -shifted sprites. The SP1_IFLAG_OVERWRITE_TILES bit must be set to copy ... not set, an existing non-zero pointer in the tile array ... character pointers if this flag bit is not set. The ... character is occluding. If this bit is set, sp1_UpdateNow() will ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • costa capers ..Is CC a real followup to technician ted or what? I thought about the name.. coz it has nothing in common :)

    ... kept killing me. Got that bit sorted now.

    [QUOTE ... order to have room to carry the tickets. Of the objects ...
    Daren Daren April 2006 Games
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... should show through, and a zero bit wherever the sprite should cover ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Checksum RoutinesHi there everybody, Does anyone have an 'off the shelf' assembler routine for generating checksums? Thanks Jim

    ... that'll calculate a 24 bit checksum (pointed to by DE ... we've got anything to carry.
    ld (hl),a ; Store ... we've got anything to carry.
    ld (hl),a ; Store ...
    Matt_B Matt_B May 2006 Development
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... from shipy value i.
    bit 6,a ;test if > ... from shipy value ii.
    bit 7,a ;test if > ... of the status of the carry flag, that h should need ... whether adding 32 set the carry flag?

    Finally, dmsmith ...
    48K 48K May 2006 Development
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... a stored variable. If shipfire=ZERO, SPACE was NOT previously being ... created.
    If shipfire=not ZERO (SPACE was previously pressed and ... a,(254) ;read keys
    bit 0,a ;test space
    48K 48K May 2006 Development
  • New 9/11 video releasedI dont think this thread breaks the new rules and I couldnt resist posting it after all Cornishdavys crap anyway. A new 9/11 video was released toda…

    ... you have the right to carry guns (f stupid if you ... telling me binny knew which bit of the pentagan was empty ...
    Cornishdavey:)) Cornishdavey:)) May 2006 Chit chat
  • Games club voting for WC 20/5/2006Sorry it's late! Here's the votes for WC 20/5/06

    This game stinks a bit. First of all it looks ... it's replaced and you carry on racing. This happens so ...
    Zagreb Zagreb May 2006 Games
  • Spectrum Game NewsSome snippets of Spectrum game news , via the RT forum and micro mart if you guys are interested.... [url]http://www.retro-trader.com/forum/index.p…

    ... then had a choice to carry on myself , not making a ... thing with my money , and carry on. There is much more ... . If people had been a bit more 'normal' about what I ...
    Retro-Soft Retro-Soft May 2006 Games
  • Spectrum Game NewsSome snippets of Spectrum game news , via the RT forum and micro mart if you guys are interested.... [url]http://www.retro-trader.com/forum/index.p…

    ... then had a choice to carry on myself , not making a ... thing with my money , and carry on.[/quote]So brave! So ... . If people had been a bit more 'normal' about what I ...
    jil jil May 2006 Games
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... the program that little bit slower by making it ... the rate value down to zero, and b_frame[] keeps track ... and will return a non-zero value if it is. ... input library uses a 16-bit scancode. The scancode for ... and returns a non-zero value if that particular ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... If you backtrack a little bit, you will see that u_malloc ... and returns the associated 16-bit scancode which identifies a ... decremented and if it reaches zero, "an_index" is incremented to ... dy' variables are set to zero initially and are modified depending ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Biotoxins redumping projectI've been spending quite a bit of time between dumping STP / MIA titles at looking at the titles flagged by Biotoxin as possibly needing a redump... …

    ... for the block 19 a bit and here it is:
    zero)
    BYTE NP max number ... the data block (can be zero)
    BYTE NP max number ...
    Mikie Mikie May 2006 MIA/STP/SDP
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... /> ; Here's two simple 16-bit random number generators. I originally ... & entry.

    ; 16-bit seed random generator
    ; ----------------------------
    bit of seed to carry
    rl l ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Biotoxins redumping projectI've been spending quite a bit of time between dumping STP / MIA titles at looking at the titles flagged by Biotoxin as possibly needing a redump... …

    ... a series of 8063 zero bits followed by bit 1 in the ...
    Mikie Mikie May 2006 MIA/STP/SDP
  • PS3 - Wintel killer?What do most households use computers for? Here's what I think are the core uses: Games Word processor Spreadsheet Web browsing Email Instant messag…

    ... in a faster CPU and carry on as they were before ... />
    I think the only bit you get to keep from ...
    Jmk Jmk June 2006 Chit chat
  • Checksum RoutinesHi there everybody, Does anyone have an 'off the shelf' assembler routine for generating checksums? Thanks Jim

    ... supposed to build a 24 bit checksum consisting of the sum ... $4000. However it gets the carry flag all wrong and uses ... . Logan contains an unused 32-bit CRC checksum routine.
    Geoff Geoff July 2006 Development
  • Well I've gone and done it - a PS2 it is!Yep, another successful ebay item in my kitty - a new PS2 with 2 controllers, 8 MB RAM, and 5 free games of my choice(modded PS2 - need I say more?).…

    ... read some reviews on Project Zero and all of them are ... found it to be a bit frusteratingly difficult to score goals ...
    Arjun Arjun July 2006 Chit chat
  • Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…

    ... .

    It returns with carry clear if the var is ... set the syntax bit before calling the routine (Bit 7 of FLAGS ... to find your variable. Test carry to see if it's ...
    Dunny Dunny July 2006 Development
<1…20212223242526…34>

Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
    dmsmith on 11:22PM
  • 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

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