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Search Again :: Adv Search 1000 results in 0.018s
<1…16171819202122…34>
  • The display of the ZX SpectrumI'm trying my hand at putting a simple emulator together, but I don't quite remember exactly how the screen works... I have a (void) function that ta…

    ... Fixedsys][SIZE=2][COLOR=black]int[/COLOR][/SIZE][SIZE=2][COLOR ... SIZE=2][COLOR=black]register int[/COLOR][/SIZE][SIZE=2][ ... AttrFile+256) & 64 ? Bright_b2=8 : Bright_b2=0;[/COLOR][/FONT][/SIZE ... +512) & 64 ? Bright_b3=8 : Bright_b3=0;[/COLOR][/FONT][/SIZE ...
    rich_chandler rich_chandler May 2011 Emulators
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... definitions */

    int open_port(char *device)
    ... /> options.c_cflag |= CS8; /* 8 bit */
    options.c_cflag |= ... void read_block(int fd, void *p,int len) {
    int bytes;
    }

    int main(int argc, char **argv) {
    ...
    tstih tstih May 2011 Development
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... definitions */

    int open_port(char *device)
    ... /> options.c_cflag |= CS8; /* 8 bit */
    options.c_cflag |= ... );
    }

    int main(int argc, char **argv) {
    ... ;
    }

    int fd=open_port(argv[1]);
    tstih tstih May 2011 Development
  • Hi there ;) New development groupHi everybody! I'm Baron Ashler, founder and member of a new very little development group called "Kabuto Factory" and this is my first post ;) We'v…

    ... your source (such as REM : INT to define integer arrays and ... image... and it looks cool 8) There'll be a TAP ...
    Baron Ashler Baron Ashler May 2011 Development
  • Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…

    ... /> 310 LET p=INT (RND*7): LET i=INT (RND*7): IF ... =USR "A" TO USR "A"+8: READ V: POKE A,V ...
    Paddy Coleman Paddy Coleman June 2011 Sinclair Basic
  • Development choices, help!As a small part-time project I would like to convert my daily programming work (a workflow/bpel engine) to the Spectrum, purely for fun. I would like…

    ... FUNCTIONS
    //////////////////////////////////////

    int abs(int j);
    long labs(long ...

    unsigned int igcd(unsigned int a, unsigned int b);
    unsigned ... /> [/code]

    chars are 8-bit, ints are 16-bit ...
    Alcoholics Anonymous Alcoholics Anonymous June 2011 Development
  • Speeding up select processing...Hi Folks, I have the following code in my program and it works fine but is rather "sluggish". I have even moved it to the beginning of the program …

    Hi BB, Crisis,

    Thank you for your help - it worked really well. The modified code performs well and feels far more responsive. For completeness here is the modified routine:

    [CODE]190 REM SELECT
    200 REM t(1)=Selected Row< ...
    Paddy Coleman Paddy Coleman June 2011 Sinclair Basic
  • Help with random numbers......Hi all, wonder if anyone can help me... sort of a novice here ... I have been trying to write a simple ish basic program to compare random sets of n…

    ...
    80 LET x=1+INT (RND*n)
    85 IF ...
    Battle Bunny Battle Bunny July 2011 Sinclair Basic
  • Spherical - Crash review linked as SU reviewI thought my ZXR merge code was wrong, but nope, the SU review linked under "Magazine references" is actually the Crash review!

    ... br /> [code]float TmpF;
    int TmpI;

    sscanf ( ... believes that an input of 8.2 should result in ... same value as with input 8.1.
    Only an ... input of 8.2 appears to do this ... />
    Changing the 8.2 to 8.3 "fixes" the problem ...
    mheide mheide July 2011 Infoseek database
  • Spherical - Crash review linked as SU reviewI thought my ZXR merge code was wrong, but nope, the SU review linked under "Magazine references" is actually the Crash review!

    ... /> [code]
    TmpF = 8.2;
    TmpI = (int)(TmpF * 10.0);
    int which is the problem, as ... = TmpF * 10.0;
    TmpI = (int)(TmpF);
    [/code]
    There ...
    Battle Bunny Battle Bunny July 2011 Infoseek database
  • Spherical - Crash review linked as SU reviewI thought my ZXR merge code was wrong, but nope, the SU review linked under "Magazine references" is actually the Crash review!

    ... of 8.2 is actually 8.1999999999999, then casting to an int will ... .000001 before casting to an int...
    gasman gasman July 2011 Infoseek database
  • NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…

    ... ]Sinclair port 1 (6,7,8,9,0)[/b]
    - [b ... always FFh when generating an INT, will work without any issues ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... =buffer[7];
    A2=buffer[8];
    L=buffer[9];
    PeterP PeterP August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... =buffer[7];
    A2=buffer[8];
    L=buffer[9];
    rich_chandler rich_chandler August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    [QUOTE=karingal;557195]ISeems bizarre to me that shifting char by 8 places doesn't result in zero but hey-ho thats C for you.[/QUOTE]

    Apparently, a signed char is promoted to an int and then shifted. Unsigned char should, however, result in 0.
    Arjun Arjun August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    Odd... GCC does this:
    [code]chris@office:~$ cat poo.c
    #include

    int main()
    {
    unsigned char c = 64;
    int i = (c
    ccowley ccowley August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... /> void handle_interrupt()
    {
    unsigned int address=(IM==2 ? (256*I ... [SP-1]=PC >> 8;
    SP -= 2;
    PC ...
    PeterP PeterP August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... ]
    unsigned char read_from_port(unsigned int port_number)
    {
    if(!(port_number ... res=0xFF;

    for(int i=1,j=0; i
    PeterP PeterP August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... .c
    #include

    int
    main( void )
    {
    movl %esp, %ebp
    subl $8, %esp
    andl $-16, %esp ...
    Philip Kendall Philip Kendall August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... /> [CODE]
    void write_to_port(unsigned int port_number,unsigned char value)
    PeterP PeterP August 2011 Emulators
  • Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…

    ... /> 20 LET wn=INT (bc/2): LET b$(8-b)=STR$ (bc ... FN b$(b)="00000000"(TO 8-LEN STR$ FN b(b ... FN b(b)=VAL (("b-INT (b/2)*2+10*FN ... b(INT (b/2))" AND b)+("0 ... /> both of which put the 8-bit pattern (presuming that you ...
    Battle Bunny Battle Bunny September 2011 Development
  • Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…

    ... the lucasfilm titles on atari 8 bit instead of c64 :) ... .

    matchday vs int soccer.. or emlyn hughes.. c64 ... fav footy game on any 8 bit.

    ... />
    remember it's 8 sprites on the same line ... use another set of 8 sprites on the other ...
    fog fog September 2011 Sinclair Miscellaneous
  • Any ideas on how to solve this equation?If I have three numbers 10:A:B where A & B are equal +ve integers <10, what formula could I apply to pairs of numbers (A,10) or (10,B) such that the …

    ... (n,P1,P2)
    =(n-INT (n/P2)*P2)
    +VAL ... (("P1*FN P2(INT (n/P2),a,P2)" AND ... P1=8 and P2=2 then, for example, the calculation INT (127 ... it should be 53 [base 8].

    When the function ...
    Battle Bunny Battle Bunny September 2011 Development
  • Pixel engines for explosions...Hi... Iv a strange request... I was toying around with an old YS program, which can be found here: [url]http://www.users.globalnet.co.uk/~jg27paw4/ty…

    ... :
    half_vrange: DEFB 3 ;eg: INT (velocity/2)
    vrange: DEFB ... L61683
    L61678: LD A,8
    L61680: DEC A
    kgmcneil kgmcneil October 2011 Development
  • Pixel engines for explosions...Hi... Iv a strange request... I was toying around with an old YS program, which can be found here: [url]http://www.users.globalnet.co.uk/~jg27paw4/ty…

    ... :
    half_vrange: DEFB 3 ;eg: INT (velocity/2)
    vrange: DEFB ... L61683
    L61678: LD A,8
    L61680: DEC A
    kgmcneil kgmcneil October 2011 Development
  • Loading screen easter eggs[url]http://equ.in/ox/spectrum/eggs/screens.php[/url] maybe it's mentioned here before.. also it shows some credits that were uncredited before..e.g…

    ... *infile;

    int main(int argc, char **argv) {

    int xAttr,yAttr,pixelByteOffset;
    int readBytes,attributeBaseOffset,passLength ... pixelByteOffset = xAttr+((yAttr%8)*ATTR_WIDTH)+((yAttr/8)*ATTR_WIDTH*8*8);
    for ( ...
    lfaria lfaria November 2011 Games
  • Loading screen easter eggs[url]http://equ.in/ox/spectrum/eggs/screens.php[/url] maybe it's mentioned here before.. also it shows some credits that were uncredited before..e.g…

    ... *infile;

    int main(int argc, char **argv) {

    int xAttr,yAttr,pixelByteOffset;
    int readBytes,attributeBaseOffset,passLength ... pixelByteOffset = xAttr+((yAttr%8)*ATTR_WIDTH)+((yAttr/8)*ATTR_WIDTH*8*8);
    for ( ...
    lfaria lfaria November 2011 Games
  • Loading screen easter eggs[url]http://equ.in/ox/spectrum/eggs/screens.php[/url] maybe it's mentioned here before.. also it shows some credits that were uncredited before..e.g…

    ... ;
    int xAttr,yAttr,pixelByteOffset;
    int readBytes,attributeBaseOffset,passLength ... writtenBytes;

    int main(int argc, char **argv) {
    8)*ATTR_WIDTH)+((yAttr/8)*ATTR_WIDTH*8*8);
    if ((attribute ...
    lfaria lfaria November 2011 Games
  • z88dk stdio fopenI'm trying to write a fcntl library, based on the p3.lib one. Looking at fopen(), it calls freopen_z88() which turns the mode string into mode and f…

    ... )
    and Mode as 8 bit values to pass to ... oflag as an
    int, and most implementations need at ...
    This would use all 8 bits of the "Flags" as ... oflags could be kept as 8 bits wide.
    Implementations ... currently defines the oflags as int (16 bits) and ...
    guesser guesser November 2011 Development
<1…16171819202122…34>

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