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Search Again :: Adv Search 1000 results in 0.003s
<1234567…34>
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... START

    PRT_CHR
    defb 254
    [/CODE]

    Morkin Morkin March 2012 Development
  • 28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…

    ... ...

    STRTLN DEFB 0
    DEPTH DEFB 24
    HIATT DEFW ...
    AMW AMW April 2012 Development
  • Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …

    ... bc
    push af
    defb 0xc3 ; jp endcall
    endcall ...

    org 0xffff
    defb 24 ; combined with first ROM ...
    chev chev April 2012 Development
  • What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…

    ... .
    ret

    plx defb 0 ; player's x coordinate ... .
    ply defb 0 ; player's y coordinate ...
    Saboteur Saboteur May 2012 Development
  • Moving a line down the display in assembler?...It's not a "[I]how can I do it[/I]" question, it's more a "am I missing something in trying to do it a new way" kinda question. What I've been doing…

    ...

    xpos: defb 0
    ypos: defb 0
    [/CODE]
    Sokurah Sokurah June 2012 Development
  • Using CP and JR Z commandI have been trying to [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40011"]convert a BASIC routine to machine code[/URL], but to no av…

    ... />
    Org 30000
    defb 4
    defb 15
    ld a ...
    daveysludge daveysludge July 2012 Development
  • Hep needed with a bit of code...I've written a bit of code to make a character move across the screen, but the counter stops at 29 when the 3 lines to delete the characters trail ar…

    ... /> defb 21
    defb 1
    defb 19
    defb 1
    defb 16
    defb ... 6
    defb 22
    defb ... 14
    defb 29
    defb ...
    daveysludge daveysludge August 2012 Development
  • 40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…

    ... br /> ;----------------------------------------------------------------------------
    messagestring
    defb 13," Uglifruit's 40 Column ... br /> uglifont
    ugli_ascii_032
    defb 0,0,0,0,0 ...
    uglifruit uglifruit August 2012 Development
  • Anyone know where this is going wrong?I've written a simple routine to make a block drop from the top of the screen, but for some reason it wont 'cover its trail' so to speak. The block i…

    ... defb 8
    defb 16
    defb 8
    defb 17
    defb 8
    defb ... 21
    defb ... 1
    defb ...
    daveysludge daveysludge October 2012 Development
  • Covering my tracks using OVERI've got myself in a bit of a mess again I'm afraid, the routine I have written is for 4 characters to move across the screen 2 spaces at a time in I…

    ... /> [CODE] org 59998
    defb 4
    defb 1
    ld a ...
    dat: defb 22
    cor1: defb 4
    cor2: defb 1,19 ...
    daveysludge daveysludge October 2012 Development
  • Help needed...I am at my wits end with this pigs ear of a routine, can anyone simplify it and make it work as it should? Basically it should make the characters '…

    ... 41998
    a1 defb 4
    q1: defb 40
    ld a ... 8252
    ret
    dat1: defb 22,4,0,19,8 ... ,98,99,100
    dat4: defb 22,4,10,19,8 ... ,98,99,100
    dat55: defb 22,4,14,19,8 ... 98,99,100
    dat6: defb 22,4,18,19,8 ... 98,99,100
    dat7: defb 22,4,22,19,8 ...
    daveysludge daveysludge October 2012 Development
  • Licence free (possibly) Graphic/Sprite databaseJust thinking back to the lone magpie's thread [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37142"][B][I]New Spectrum (Spaceship) Ma…

    ... /> Sometimes I come up with backgrounds/tile sheets and sprite sheets ...
    BiNMaN BiNMaN October 2012 Development
  • High Score ASCII array reset ?Hey guys, Noob alert! I'm working on my first game and I'm having problems with the high score on the second time through the game loop. My high …

    ... up like this:

    Defb score '000000'

    My ...
    Atari_Jetman Atari_Jetman October 2012 Development
  • Renegade:Attack of the Clones :)I have been examining the code of Renegade recently as I really like this game and would like to know how it is done. Look what I have discovered : …

    ... /remix of this game - change backgrounds, enemy types, some behaviours and ...
    Ralf Ralf October 2012 Games
  • SkoolKit 3.2SkoolKit - the suite of utilities for creating disassemblies of Spectrum games in HTML format (I say 'the' because I don't know of any others) - has …

    ... mode)
    [*]Support for 'complex' DEFB/DEFM statements (i.e. those ...
    SkoolKid SkoolKid November 2012 Development
  • Optimisations in Exomizer Z80 decrunch codeThis is the 163 bytes old code (simple and optimized): [CODE] ld iy, exo_mapbasebits ld a, 128 ld b, 52 push de exo…

    ...
    ld hl, 1
    defb 210 ;3 bytes nop (JP ...
    ld hl, 1
    defb 210 ;3 bytes nop (JP ...
    antoniovillena antoniovillena November 2012 Development
  • Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …

    ... rst $28
    defb $A2 ;const_half
    defb $38 ;end_calc
    ... ,a*a=a2
    defb $38 ;end_calc
    ... -xh*xh/a2)
    defb $38 ;end_calc
    call ...
    Battle Bunny Battle Bunny November 2012 Development
  • Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …

    ... 8 INK 8
    .msgctl defb $16,$13,$08,$11,$08 ...
    snigfarp snigfarp November 2012 Development
  • Announcing Renegade mod - my gift for Renegade fansYou know that I'm playing a bit with existing games code, adding colour here and there, changing this or that :) This time I'd like to announce my m…

    ... see my mod has new backgrounds, but that's not all ...
    Ralf Ralf March 2013 Games
  • Printing textThis is probably quite a basic question, or there might be something obvious I'm missing. I'm looking for an economical way of printing formatted te…

    ... /> ret

    text_to_print
    defb 22,1,20,16,1 ... , BRIGHT 1
    defb "LINE 1 TXT"
    defb 22,2,20 ... 2 TXT"
    defb 22,3,20
    defb "LINE 3 TXT ... "
    defb 22,4,20
    defb "LINE 4 TXT ... "
    defb 22,6,20
    defb "LINE 5 TXT ...
    Morkin Morkin April 2013 Development
  • Age-Gap RelationshipsHere's one for the WoS Problem Page. Actually it's not really a problem more of a query. Disclaimer: this is not just a thread to show off about dat…

    ... similar age but with different backgrounds/interests etc but obviously age ...
    Maroc's Astral Projection Maroc's Astral Projection April 2013 Chit chat
  • Beyond the Ice Palace (BUGFIX)Please add the following "known errors" entry to [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000512"]Beyond the Ice Palace[/URL]: [QUOTE…

    ... /> [CODE] org ram1: $cc4f
    defb $3f

    org ram1 ... : $cc70
    defb $3f[/CODE][/LIST]

    Einar Saukas Einar Saukas May 2013 Infoseek database
  • Works in Fuse & SpecEmu, not ZXSpinI decided that I wanted to change the scroll routine which I was using for compiling the Trailblazer maps, as I'd just copied it out of Andrew Hewson…

    ...
    ret

    NULLS: defb $00,$00,$00,$00,$00 ... ,$00,$00,$00,$00
    defb $00,$00,$00,$00,$00 ...
    Battle Bunny Battle Bunny June 2013 Emulators
  • TTT-Vektor[size=4][b]Terry The Turtle-Vektor[/b][/size] The game is just having new music made and going through final playtesting. The Story,Controls and 8 z…

    ... wire frame graphics and new backgrounds,some screens have name changes ...
    jammajup jammajup June 2013 Announcements
  • Terry The Turtle-Vector (Special Edition)[size=4][b]Terry The Turtle-Vektor[/size][/b][size=3][b](Special Edition)[/b][/size] [b]The Story,Controls and 8 zones remain unchanged from the ori…

    ... wire frame graphics and new backgrounds,some screens have name changes ...
    jammajup jammajup July 2013 Brand new software
  • Rotronics Wafadrive v.1.80 ROM - Corrupt or purposely broken?I've been digging around the Wafadrive v1.80 ROM (from [URL="http://zxspectrum.it.omegahg.com/_RO.htm"]here[/URL]) and can't decide if the ROM is cor…

    ... /> ;
    l_0d2b: rst $20
    defb $13

    ;; hook-code ...
    jp jp July 2013 Hardware
  • Strider II (and others) + 3 disk versionsHello everyone, I've been working on converting some games to be able to load them from the +3 floppy. I started with single load games but now Im i…

    ... .LEV", 255

    rombkup: defb 0,0[/CODE]


    levid: defb 0

    oldstack: defb 0,0

    bankm: defb 0,0,0[/CODE]
    < ...
    BCH BCH July 2013 Games
  • Games/Programs making use of DivIDE featuresHello :) I have a question: I may be wrong, but it looks like the DivIDE and similar interfaces for the ZX Spectrum are almost exclusively used for …

    ... audio, tons of unique graphics/backgrounds/sprites, super large maps, etc ...
    memrah memrah July 2013 Development
  • New game: Knights & Demons DXHi everybody! Our last game is here! Einar Saukas and me were working hard last five months (Einar on the code and myself on the grahpics and music)…

    ... for intro, endings and game backgrounds.
    - 4 new tunes, including ...
    Baron Ashler Baron Ashler July 2013 Brand new software
<1234567…34>

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