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<1…14151617181920…34>
  • sprite making in +3 BASIC?Any sprite tutorial I come across is far too complicated! Can someone help me? For instance, how do you create a person-shaped animated sprite which …

    ... this without delving into machine code.

    To perform collision ... ) if the result is non-zero there is a collision.
    dmsmith dmsmith September 2005 Development
  • print at line 22 and 23I have a faint recollection of POKES to allow print at 22,x and 23,x, anyone know what they are? (rather than using the print #0 #1 stuff..)

    My way to print at line 23:

    [code]

    10 POKE 23659,0 : IF Y
    Dr BEEP Dr BEEP October 2005 Sinclair Basic
  • Rogue Trooper in "definitely not Stonkers" shock horror![url="http://korax1214.port5.com/spectrum/rogue.html"]http://korax1214.port5.com/spectrum/rogue.html[/url] and scroll to the bottom. :) Er, who's c…

    ... />
    [code]
    #8087 ld a,r ;We need a zero in ... special message
    #8090
    [/code]
    Mr. Anonymous Mr. Anonymous November 2005 Games
  • After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…

    ... /> Just did it. :)

    [code]
    LD B,26
    DJNZ LOOP:
    RET
    [/code]

    DJNZ always decrements ... (only) and checks if the Zero Flag has been set before ...
    Ian Hamilton Ian Hamilton November 2005 Sinclair Miscellaneous
  • Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…

    ... the parameter to RANDOMIZE is zero (or if it is absent ... , which implies zero), then the value from the ... /> A. Yes, Please compare the code snippets below:-

    lottery1 ... .z80 (The original code that shows the problem)
    Digital Prawn Digital Prawn December 2005 Emulators
  • Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…

    ... planning to get into machine code and have a book on ... the way.
    Mastering Machine Code on the Speccy by Toni ... , but whose knowledge of Machine code is zero."

    That sums ...
    Womble Womble February 2006 Sinclair Basic
  • Machine Code QuestionHi All Not sure if this is the right place for this but it seems closest. Am starting to read the Toni Baker Intro to Machine Code book and its ver…

    ... the machine when any entered code is run as X will ... always have punched in a zero

    [ This Message was ...
    Womble Womble February 2006 Sinclair Basic
  • Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …

    ... /> B = counts the width to zero (50546-50549)
    A = fixed ... ]
    Buffer overflow maybe? The code doesn't make much sense ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Sinclair Basic
  • Assistance with IM2 routineI subsequently got a working IM2 routine.

    ... getting preserved.

    The code I'm using is:
    zero. Am [/quote]

    Nothing wrong with the code segment ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Development
  • Pseudo random numbersHi everybody, I 'd like to convert a little program i wrote in VisualBasic6.0 to C or C++ to make it run faster and for training as i'm a very very n…

    ... use it to run Machine Code, as the value we return ... ' preferably not if it's zero).

    (* it is possible ...
    icabod icabod April 2006 Sinclair Miscellaneous
  • I've just ordered a Gamecube!While browsing ebay India I came across a listing for Gamecube + Resident Evil 0 at Rs. 10000 (roughly 128 pounds) for the whole thing. The GC is a l…

    ... it yet :)
    ive got zero, code veronica and resident evil 1 ...
    mel the bell mel the bell April 2006 Chit chat
  • 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…

    ... UDG character indexed by character code. When background tiles are drawn ... " is treated as a character code that is used to index ... of its address must be zero. If you don't intend ...
    Alcoholics Anonymous Alcoholics Anonymous April 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…

    ... ', hash);
    sp1_UpdateNow();
    [/code]

    We set the ... set, an existing non-zero pointer in the tile ... sp1.h):

    [code]
    #define SP1_TYPE_OCCLUDE 0x80 // ... only in sp1_CreateSpr()
    [/code]

    Selecting ...
    Alcoholics Anonymous Alcoholics Anonymous April 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…

    ... sprite frame address.

    [code]

    while (1) { // ... />
    } // end main loop
    [/code]

    And finally, the ... should show through, and a zero bit wherever the sprite should ...
    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…

    ... SP1's numbers:

    [code]
    SP1Load2Data..........655
    SP1Load2LBData ... -loop achieves this:

    [code]
    while (1) { // main ... visited. The count starts at zero and is incremented for each ...
    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…

    ... sp1_RemoveUpdateStruct(struct sp1_update *u);
    [/code]

    sp1_RemoveUpdateStruct() ... **ua, void *hook); // zero terminated array
    extern void ... br /> sp1_IterateUpdateArr() goes through a zero-terminated array of struct_sp1_updates, calling ...
    Alcoholics Anonymous Alcoholics Anonymous 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 ... created.
    If shipfire=not ZERO (SPACE was previously pressed and ... CANNOT be created.

    [code]
    shipfire db 0
    right rest of routine
    [/code]

    What am I ...
    48K 48K 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…

    ... and reuse reliable and efficient code.

    ADT.LIB ... will not be added and zero will be returned to ... will not be added and zero will be returned to ... will not be added and zero will be returned to ... with carry set and non-zero, the list search function ...
    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…

    ... /> uchar tile; // +1 tile code
    };
    [/code]

    A struct_sp1_tp ... the rate value down to zero, and b_frame[] keeps track ... and will return a non-zero value if it is. ... scancode 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…

    ... .fire = in_LookupKey(' ');
    [/code]

    The struct_in_UDK ...
    }

    }
    [/code]

    First up the ... and if it reaches zero, "an_index" is incremented ... variables are set to zero initially and are ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Disk image utility for USB disksI make simple utility programm for copy physical disk content to image files. It can work with USB disks, or memory cards attached via some card read…

    ... using IOCTL_DISK_GET_PARTITION_INFO to read partition zero, which is a special entry ... ++ works well, and produces smaller code, as I see.
    Currently ...
    piters piters June 2006 Emulators
  • 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…

    ... of the program:

    [code]
    zx_setstr ('b',"This is ... , which nobody can deny...");
    [/code]

    which shows that ... E register is the ascii code of the string variable name ... HL register points at a zero-terminated string.

    ...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Development
  • Detect if program was loaded from tape or microdriveHow (if at all) can a BASIC program detect if it was loaded from tape or microdrive? This can be helpful to then load the screen or more machine code…

    ... for this (BASIC or machine code)?
    [/QUOTE]

    Here ... is in HL and non-zero means true.
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Development
  • Detect if program was loaded from tape or microdriveHow (if at all) can a BASIC program detect if it was loaded from tape or microdrive? This can be helpful to then load the screen or more machine code…

    ... is in HL and non-zero means true.[/QUOTE]
    ... is to move machine code stored in a REM ... problems. So always put machine code programs above RAMTOP."
    ... by putting the machine code above RAMTOP and load ... assuming it's all relative code - no absolute calls)?I ...
    UTom71 UTom71 July 2006 Development
  • Nesting NMI'sz80-undocumented (.pdf) page 20/21 [from [url]http://www.myquest.nl/nowind/?q=node/10[/url] ] suggests that IFF1 is not copied from IFF2 if NMI's are…

    ... ;)

    I checked the code and all operations that affect ... copy IFF1 (which is already zero courtesy of previous NMI) to ...
    baze baze August 2006 Emulators
  • SupadriveHere's an MDR image of Supadrive. Works with Spectaculator, but I haven't tested it with any other emulators. [url="http://www.superfudge.demon.co.u…

    ... be read then * READ will zero fill the specific memory address ... /> * READ "m";1;127;16384[/CODE]

    So the updated ... write protection)

    These CODE blocks can then be "glued ... an unattended dump of each CODE block.

    2. Write ...
    jp jp August 2006 MIA/STP/SDP
  • for a stupid: what?s NMI?erhm, yes, I?m not familiar with it... :rolleyes: I know the function of a hardware ?snapshot? button from Didaktik M/Kompakt, but I?m not familiar…

    ... , unless that system variable was zero, when nothing would be done ... variable if it is non-zero, and jumps to it if ... it is zero (thus causing a reset...).
    code they feel like (and bypassing ...
    Philip Kendall Philip Kendall August 2006 Hardware
  • In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…

    ... to improve on.

    [code]
    sort: ld hl, numbers ...
    jr z, sort ; if zero, swap occurred so, repeat sort ... , 255, 3, 129

    [/code]

    Its a modified ...
    Kiwi Kiwi August 2006 Development
<1…14151617181920…34>

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