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<1…14151617181920…34>
  • Porting 8k Adventure to SpectrumSomeone has tried to help me port 8k Adventure over to the spectrum. Here is the code thus far. It doesn't seem to work with the verbs, however. I tr…

    ... CLEAR : INK 2: POKE 23658,8: BORDER 6: PAPER 6: CLS ...
    61 REM open 2,8,2,"0:"+f$+",s,r ...
    Woody Woody May 2008 Sinclair Basic
  • Porting 8k Adventure to SpectrumSomeone has tried to help me port 8k Adventure over to the spectrum. Here is the code thus far. It doesn't seem to work with the verbs, however. I tr…

    ... CLEAR : INK 2: POKE 23658,8: BORDER 6: PAPER 6: CLS ...
    Paul Panks Paul Panks June 2008 Sinclair Basic
  • Microdrive CATIs there a way in Basic to obtain any more useful info on the contents of a Microdrive? File size, head info for example? Also, is it possible in ge…

    ... = 1 TO 8
    50 PRINT ; n/2 INT (n/2);
    60 LET n = INT (n/2)
    70 NEXT ...
    Geoff Geoff June 2008 Sinclair Basic
  • Happy birthday RND!!Merry birthday... Get absolutely sloshed!! (And play lots of [I]Chaos[/I]) :)

    ... Vodka"
    90 LET A$(8)="Shot of Tequila"
    100 ... "
    120 DIM S$(3,8)
    130 LET S$(1 ... 0
    210 LET O=INT (RND*10)+1
    220 ...
    Scottie_uk Scottie_uk June 2008 Chit chat
  • Integer RangesOK, I need a little help clarifying something. I am making good progress with the emulator so far - I've emulated most ADD, INC, DEC commands (as we…

    ... ) is properly represented in an 8-bit register.

    0111 ... ) cannot be represented in an 8-bit register.

    In ...
    Alcoholics Anonymous Alcoholics Anonymous June 2008 Emulators
  • InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…

    ... (and not in the popular 8-bit computers), however, so failing ... instruction is executed in the int ack phase, you'd expect ...
    Alcoholics Anonymous Alcoholics Anonymous July 2008 Emulators
  • Handling RST8 on a +3Well, I've come to that bit of my project that I wasn't really looking forward to (because I don't understand enough about the ZX BASIC ROM) - extend…

    ... string to a 16 bit int)

    * Internet address ... any time (because RST 8 traps bring along other ... with devices that use RST 8 , because only one ... device can own RST 8 ). The ROM can ... ROM trapping, the RST 8 trap infrastructure still needs ...
    Winston Winston July 2008 Development
  • Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here) in fact, I want to accelerate a car towards a direct…

    ... $="q" THEN LET d=d+8
    13 IF z$="a ... " THEN LET d=d-8
    14 IF z$="o ... " THEN LET c=c-8
    15 IF z$="p ... " THEN LET c=c+8
    16 PLOT c,d ... U
    1140 LET S=INT (M/2)
    1150 FOR ...
    Arda Arda September 2008 Sinclair Basic
  • Print ATHello, Can someone please tell me how to do a Print AT command? Thanks,

    ... )*8)
    1020 LET addr=16384+x+(y-INT (y/32))*32+INT ... (y/8)*2048
    1030 ...
    Dunny Dunny October 2008 Sinclair Basic
  • Print ATHello, Can someone please tell me how to do a Print AT command? Thanks,

    ... )*8)
    1020 LET addr=16384+x+(y-INT (y/32))*32+INT ... (y/8)*2048
    1030 ...
    polomint polomint October 2008 Sinclair Basic
  • Just wrote my first useful working Speccy BASIC program in years...A nice UK National Lottery number generator. And not just any lotto number generator either. This one generates 8 lines of 6 numbers without replace…

    ... to pick
    20 REM 8 lines of 6 numbers
    200 DIM l(8,6)
    205 REM 8 lines, 6 numbers ... /> 300 FOR c=1 TO 8
    310 GO SUB 1000 ... /> 410 FOR f=1 TO 8
    415 PRINT "LINE ";f ...
    BigBadMick BigBadMick November 2008 Development
  • Just wrote my first useful working Speccy BASIC program in years...A nice UK National Lottery number generator. And not just any lotto number generator either. This one generates 8 lines of 6 numbers without replace…

    ... f: FOR g=1 TO 8: PRINT AT g-1,0 ... TO 6: LET b=1+INT (RND*LEN a$): PRINT AT ... g-1,8+((f-1)*3);" "( TO (CODE ...
    Dunny Dunny November 2008 Development
  • BASIC: Fast way of filling a string?Recently I decided to use string slicing to extract random numbers from a sequence in the one-liner Lottery picker: [quote] 20 RANDOMIZE : LET a$=""…

    Here's my latest:

    [quote]
    10 RANDOMIZE : LET a$=" !""#$%&'()*+,-./0123456789:;?\*ABCDEFGHIJKLMNOPQ": FOR g=1 TO 8: PRINT AT g,0;"Line ";STR$ (g);":": FOR f=1 TO 6: LET b=1+INT (RND*LEN a$): PRINT AT g,5+f*3;" "( TO CODE a$(b)-32
    Dunny Dunny November 2008 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…

    ... /> Speedy J - Pull Over (Plus 8 / Hype)
    Phenomania - W.I ... )
    Stardiver - Lifetime Mission (Digitrax Int)
    Influid - Swamp (Influence)
    mel the bell mel the bell April 2009 Chit chat
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... ]

    This gives another 8 bytes in multicolour, thus
    INT(RND*8 ) : REM PLOT Y,X ...
    Dr BEEP Dr BEEP May 2009 Development
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... /> in = fopen("s>9600;8/N/1","rw"); // s is ... /> {
    FILE *in;
    unsigned int x,y;

    /* Open ... ()
    {
    FILE *in;
    int c;

    in = fopen ...
    Alcoholics Anonymous Alcoholics Anonymous June 2009 Announcements
  • Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…

    ...
    ld (hl),rsi shr 8
    ld a,0feh
    int acknowledge. this does not work ...
    Alcoholics Anonymous Alcoholics Anonymous October 2009 Development
  • How do I know where my C compiler is putting my variable?Let me show you my code. I am writing a Z80 emulator (z80.c) which sets up a bit of shared memory for communication with another process. Well, I got…

    ... /> typedef struct myStruct
    {
    int addr;
    char ctrl;
    8 of these structures...
    shmid ... = shmget(key, 8 * sizeof(myStruct), 0666 | IPC_CREAT);
    JamesW JamesW December 2009 Chit chat
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... function.

    eg.
    int fseek(FILE *fp, fpos_t offset ... , int whence)

    this is ... will make it the first 8-bit compiler with a nearly ... C is the original published 8 bit compiler from 20+ years ...
    Alcoholics Anonymous Alcoholics Anonymous February 2010 Games
  • Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…

    ... individual JPGs. It took almost 8 hours to convert. :-o
    8 minutes worst case. I'll ... 10% last night by using int RGBs instead of color objects ...
    brownb2 brownb2 March 2010 Development
  • My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…

    ... , uchar type, uchar height, int graphic, uchar plane);
    uint ... is a multiple of 8) then the right blank ... blank row above column, 8 or 16 bytes as described ... one char of graphics : 8 bytes of UDG if non ... blank row below column, 8 or 16 bytes as above ...
    Alcoholics Anonymous Alcoholics Anonymous March 2010 Development
  • Static vs stacked local variables in z88dkHello everyone. I'm doing a program for Spectrum 48KB with z88dk v1.8 (XX Mar 2008), and I eventually discovered that if your local variables in fun…

    ... ) ; de = 16-bit local int at address stack + 2
    8 bytes or 38 cycles.
    int at stack relative offset
    push bc ; hl = 16 bit int second from top of stack ... /> ld a,(_char8) ; a = 8 bit char, 13 cycles, 3 ...
    Alcoholics Anonymous Alcoholics Anonymous April 2010 Development
  • for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…

    ... #include

    int main()
    {
    for (int x = 0; x ... /> printf("%d\n", x);
    int x = 5;
    }
    ... /> 6
    7
    8
    9
    [/CODE]
    printf("%d\n", x);
    int x = 5;
    x++; // ...
    JamesW JamesW June 2010 Chit chat
  • 102 colours or 120 colours on ZX?OK then, we're talkin'bout GigaScreen. Two 15-colours pictures set together. Flickering. Interlace thingie. We were counting today and theoretical…

    ... 7) = $00; R32
    colors(8) = $FF; R33

    ... />
    If i1 & 8: brightness1 = 1: Else: brightness1 = ... EndIf
    If i2 & 8: brightness2 = 1: Else: brightness2 = ... , 1)

    rc = Int((r * colors(0) + g * colors ...
    newart newart July 2010 Development
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... ]LET sa=16384+32*(56*INT (y/8)+y)+x[/CODE]
    Paddy Coleman Paddy Coleman August 2010 Sinclair Basic
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
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