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<1…15161718192021…34>
  • Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…

    ... b,#82
    nop
    jp z,#c905
    rlca
    jp z ... /> rlca
    l8d0a: jp z,#c905
    rlca
    jp ... br /> dec de
    call z,#ca1b
    jr l8cfa ; (-55 ... /> ret
    rrca
    call z,#ca0f
    rrca
    ret ...
    robpearmain robpearmain November 2006 Development
  • Syntax checkingI want to capture the command for i.e. microdrive in a standard ROM. The editor will give an error, but how can I redirect to my own routine? I will …

    ... /save tape command
    ld b,2
    loop1 rst #20 ...
    jp z,#0605 ; eoln, then go to ...
    Dr BEEP Dr BEEP January 2007 Development
  • Who knows how to program a "pathfinder"?Hi all. I like to play games like "Colour Lines" and I think, I will create a version of this game for the SAM Coupe. It looks easy - until this "dam…

    ... startvalue of path
    ld b,1 ; flag for field not ... on right border ?
    jr z,xmax
    inc l
    jr z,noempt
    ld a,l ... ; path+1
    ld b,h ; flag field found
    cp l
    ret z ; exit when match, shortest path ...
    Dr BEEP Dr BEEP January 2007 Development
  • Who knows how to program a "pathfinder"?Hi all. I like to play games like "Colour Lines" and I think, I will create a version of this game for the SAM Coupe. It looks easy - until this "dam…

    ... startvalue of path
    ld b,1 ; flag for field not ... on right border ?
    jr z,xmax
    inc l
    jr z,noempt
    ld a,l ... ; path+1
    ld b,h ; flag field found
    cp l
    ret z ; exit when match, shortest path ...
    Dr BEEP Dr BEEP January 2007 Development
  • Battle of Games 7 - Shoot-emups 2Greetings ladies and gentlemen :) Welcome to Part 2 of the shoot-em-up battle. Again, as in battle 6, we'll have a [b]multichoice[/b] battle with som…

    ... scroller SEU, with [b]x-axis ship command[/b] possibilities, which ... shoots in the y-axis and z-axis ... oriented game, with [b]x, y and z-axis Crosshair and ship ... command[/b] possibilities. One ...
    alban lusitanae alban lusitanae February 2007 Games
  • Battle of Games 7 - Shoot-emups 2Greetings ladies and gentlemen :) Welcome to Part 2 of the shoot-em-up battle. Again, as in battle 6, we'll have a [b]multichoice[/b] battle with som…

    ... scroller SEU, with [b]x-axis ship command[/b] possibilities, which ... shoots in the y-axis and z-axis ... oriented game, with [b]x, y and z-axis Crosshair and ship ... command[/b] possibilities. One ...
    Matt_B Matt_B February 2007 Games
  • Worst. Controls. Ever.Right... time to have a vote on the worst keyboard controls ever! Here's some suggestions to start you all off: (1) The standard cursor keys. Need …

    ... K - right weapon pod
    Z and M - rear weapon pod ... the left hand car and B for the right hand car ...
    Fred Fred February 2007 Games
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... A
    #C3F9 EXCLAMATION..........#C501 B
    #C401 QUOTES..................#C509 C ... Y
    #C4B1 8.........................#C5C1 Z
    #C4B9 9
    #C4C1 ...
    Mr. Anonymous Mr. Anonymous March 2007 Development
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... /> dec a
    jr z,diag_down_right

    ... />
    vertical_down ld b,$ff
    ld c,e ... />
    horiz_right ld b,d
    ld c,$ff ... />
    diag_down_left ld b,255
    ld c,0 ... />
    diag_down_right ld b,255
    ld c,255 ...
    Mr. Anonymous Mr. Anonymous March 2007 Development
  • Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…

    ... 3132 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ... 3177 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ... 4132 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ... 4177 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ... 3132 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ...
    48K 48K March 2007 Sinclair Basic
  • Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…

    ... 22528+x+(y*32), (z-PEEK (22528+x+(y* ... 3132 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ... +b)*32)))
    3133 ... +((y+b)*32), (z-PEEK (22528+x+a+((y+b)*32)))< ... LET b=b-1: IF (y+b)23 THEN LET b=b-1< ... check whether a and b are negative, and if ...
    48K 48K March 2007 Sinclair Basic
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... 'd put the count in B so that the DJNZ instruction ... bc

    ld a,b
    or c
    jr ... />
    "dec d" sets the Z flag if it reaches zero ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ...
    and 0x7
    jr z,FOP_Exit ;if it reached 0 ... sla a

    ld b,a ;save current a state ... original attribute
    or b ;insert new color in ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • Disassemblers and RSTsI think this is a longshot, but... is anybody aware of a disassembler that handles the Interface One RSTs? e.g. RST $10 DEFW $0020. Cheers

    ... be 0d $13ts
    jr z, l_f97e ; f968 28 14 ... f9ed b7 $04ts
    jr z, l_fa0c ; f9ee 28 1c $0c ... fe 03 $07ts
    jr z, l_fa25 ; f9f2 28 31 ... fa05 f1 $0ats
    ret z ; fa06 c8 $0b/$05ts
    dec b ; fa5e 05 $04ts
    ret ...
    jp jp April 2007 Development
  • How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…

    ... br /> [CODE]
    [B]PAUSE[/B] CALL 1E99,FIND-INT2 Fetch ... the PAUSE
    JR Z,1F4F,PAUSE-END has come ... operand values.
    [B]PAUSE-2[/B] BIT 5,(FLAGS) ... key has
    JR Z,1F3D,PAUSE-1 been pressed ... .

    [B]PAUSE-END[/B] RES 5,(FLAGS) Signal ...
    Rickard Rickard May 2007 Development
  • PacMan by MacronicsHi Does anyone know if there was a version of Pacman for the Spec or ZX81 released by Macronics, I picked up a tape in a lot that is just a tape cas…

    ... .org.uk/zx81/generated/tapeinfo/z/ZacMan.html[/url]

    B' side. The BASIC listing for ...
    hldswrth hldswrth June 2007 Games
  • Game OptimisationBelow is a section of code Im using for movement enermy display and collision detect. What happens is that you move the sight with ,.qa and space do…

    ... PRINT AT b,a;CHR$ 144
    65 FOR z=1 TO ... b>1 THEN PRINT AT b,a;" ": LET b=b-1: PRINT AT b ...
    310 POKE USR "B"+1,BIN 11000000
    320 ... player x
    420 REM b=player b
    430 REM e ... enermy active
    510 REM z=general counter
    [/QUOTE]
    Toxitalk Toxitalk June 2007 Sinclair Basic
  • Wiiiiiiiiiiiiiiiiiiiiiiiii!I bought a Nintendo Wii today along with Zelda : Twilight Princess. I just spent the last half hour playing it. It's cool. :D Necros.

    ... green as you pull the B trigger, and running red when ... altogether more understated way. Hold Z and Leon will run as ...
    Daren Daren June 2007 Chit chat
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... conflict.

    The '?' in B$ are G-cursor+SHIFT+8 ... />
    [code]
    1 LET b$="? ? ? ? ? ? ? ? ":
    CLS : DIM a$( ... x: NEXT m:
    FOR z=1 TO 8: LET y ... +1,x+7): LET
    b=b+9*(c$="Q"): PRINT AT ... br /> AND c$="Q": NEXT z: LET y=o: LE
    Dr BEEP Dr BEEP June 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... /> int my_function(int a, int b);

    int my_function(int ... a, int b)
    {
    return a+b;
    }
    [/code ... as well.

    [B]C VARIABLES[/B]

    In Basic ... index 0
    m[9] = 'z'; // the last element of the ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…

    ... d,l
    loop0 ld b,h
    loop1 dec e ...
    ret z
    ld c,l
    jr z,loop0
    ld h,b
    jr loop1 ...
    Dr BEEP Dr BEEP July 2007 Development
  • Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…

    ... call plot

    ld b,8 ;8 lines of char ... we wrote to
    ld b,h
    ret ;EXIT!
    sub b
    neg
    jr z, addx
    nextLine ...
    Arjun Arjun July 2007 Development
  • Compressors are available for Speccys ?Hi folks, although I was an wasn't strictly a speccy coder in the glory days (amstrad & amiga for the most part), I have secides to arse about with …

    ... M,DISPL
    RET Z
    LD B,0
    LDIR
    AND 3
    LD B,A
    LD A,C ... /> LD C,A
    LD B,0
    LDIR
    POP ...
    piters piters July 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... /> a generic loop counter
    b
    c
    d
    x
    y
    z

    c$=map [C ...
    Digital Prawn Digital Prawn July 2007 Development
  • Microhobby Is Back!!!!Microhobby is back!!! the best magazine for Sinclair computers is back in one extra issue, all those who speak spanish, you must get it!! By the way…

    ... this old chestnut:

    [b]Ze Langadzh of ze Urop ... [/b]
    The European Commission has ... such as replasing 'th'with 'z' and 'w' with 'v'. During ...
    Arjun Arjun July 2007 Sinclair Miscellaneous
  • Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…

    ... inc c
    jr z,n2
    ld bc,$33f ... '
    add a,b
    ld b,6
    jr ... inc hl
    m3 dec b
    push hl
    ... /> cp 0
    jr z, yes
    ret
    ...
    FrankT FrankT July 2007 Games
  • sound effect code causing crash[FONT=Courier New]I have just written this piece of code to produce a lazer sound effect but for some reason it is causing a crash and I can't figure…

    ... or a
    ret z

    ld ... br /> ret z

    ld b,e
    ...
    frobush frobush July 2007 Development
  • Splitting Images tzx maybe not perfectI've been hacking this game and its loader. Also the save routine is intact in this game. It saves a block with a pilot length of 801 pulses. Test…

    ... , l_a1a4
    l_a1b9: ld b, $9c
    call l_a21f< ... a
    l_a229: inc b
    ret z
    ld a, $ ... jp p, l_a2e0
    ld b, $2f
    l_a2f2: djnz ... jr nc, l_a324
    ld b, $42
    l_a322: djnz ... jp nz, l_a306
    ld b, $3b
    l_a347: djnz ...
    FrankT FrankT August 2007 MIA/STP/SDP
  • Let's Not Forget Refrenz...Drinky Happday Refrenz. Hope you're having a great celebratory event. :) Necros.

    [FONT="Palatino Linotype"][SIZE="7"][B][I][COLOR="Purple"]H[/COLOR][ ... ="Purple"]y [/COLOR][COLOR="DarkOrchid"]B[/COLOR][COLOR="Plum"]i[/COLOR ... ="DarkOrchid"]n[/COLOR][COLOR="Purple"]z[/COLOR][COLOR="DarkOrchid"]![/COLOR][COLOR ...
    monty.mole monty.mole August 2007 Chit chat
<1…15161718192021…34>

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