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Search Again :: Adv Search 1000 results in 0.007s
<1…891011121314…34>
  • 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…

    ... br /> .start
    ld hl,_sbuf
    [/code]
    ... br /> ld hl,3
    add hl,sp ;; hl = address of ... ld a,(hl)
    inc hl
    ld h,(hl)
    ... ld l,a ;; hl ... think
    inc de
    pop hl
    ...
    Alcoholics Anonymous Alcoholics Anonymous July 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…

    ... (hl)
    dec hl
    rl (hl)
    dec hl
    rl (hl)
    dec hl ...
    rl (hl)
    dec hl ...
    ldi
    ldi
    inc hl
    pop de
    push ...
    wokani wokani July 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…

    ... /> call zx_cyxsaddr_callee + ASMDISP_ZX_CYX2SADDR_CALLEE
    ;; hl = screen address
    [/code]
    ldi x 32
    inc hl
    pop de
    ... push hl
    ex de,hl
    call ...
    ex de,hl
    pop hl
    djnz dump< ...
    Alcoholics Anonymous Alcoholics Anonymous 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…

    ... char-row.
    inc h ;Go to next ...
    ld hl, scradd ;point hl to start of ... ,(hl)
    inc hl
    ld d, (hl)
    ex de,hl ;hl ...
    Arjun Arjun July 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…

    ... (hl)
    dec hl
    rl (hl)
    dec hl
    rl (hl)
    dec hl ...
    rl (hl)
    dec hl ...
    ldi
    ldi
    inc hl
    pop de
    push ...
    wokani wokani July 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…

    ... (hl)
    dec hl
    rl (hl)
    dec hl
    rl (hl)
    dec hl ...
    rl (hl)
    dec hl ...
    ldi
    ldi
    inc hl
    pop de
    push ...
    wokani wokani 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 …

    ...

    LD HL,50000 ;SOURCE (COMPRESSED DATA)
    MLOOP LD A,(HL)
    INC HL
    LD C,A< ... br /> LD C,(HL)
    INC HL
    PUSH HL
    LD ... AND #1F
    SBC HL,BC
    ADD A,3 ... br /> LDIR
    POP HL
    JR MLOOP
    ...
    piters piters July 2007 Development
  • 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…

    ... nz,m2
    ld a,(hl)
    inc hl
    rla
    m2 ... nz,n6
    ld a,(hl)
    inc hl
    rla
    n6 ... c
    m4 ld c,(hl)
    inc hl
    m3 dec b ...
    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…

    ... /> ld b,e
    inc hl
    ld (SOUNDPOS),hl

    ld ...
    frobush frobush July 2007 Development
  • 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…

    ... /> ld a, 4
    cp (hl)
    jp z, poke ; poke ... (hl), a
    inc hl
    ld a, 48
    ld (hl), a
    inc hl ...
    ld a, 59
    ld (hl), a ...
    FrankT FrankT August 2007 Games
  • 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…

    ... inc hl
    ld b, $18
    l_a290: ld (hl), $ff
    inc hl ... l_a29a: ld (hl), $ff
    inc hl
    djnz ... hl), $ff
    inc h
    ld (hl), $ff
    dec h
    inc hl ...
    djnz l_a2b0
    ld (hl), $ff
    inc h
    ld (hl ...
    FrankT FrankT August 2007 MIA/STP/SDP
  • Something completely different (new game tech-demo)Since finishing Stranded 2.5 (available soon from Cronosoft - plug!) I've been playing with the idea of doing an attribute-based, rather than pixel-b…

    ... 4ts
    push hl ; 41328 229 11ts< ... hl)
    and c
    ld (de), a
    inc e
    inc ... l
    ...repeted 6 times
    ld a, (hl ... a
    inc de
    inc hl
    djnz ...
    Fikee Fikee August 2007 Games
  • Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…

    ... do), the [B]DEC (HL)[/B] instruction will:[LIST]
    HL[/B] and [B]DEC (HL)[/B] do very ... /> [*][B]DEC HL[/B] will make HL hold [B]$8900[/ ... B];
    [*][B]DEC (HL)[/B] will make RAM address ... INC HL [/B] will make HL hold [B]$8902[/B];
    [*][B]INC (HL ...
    Marcelo Marcelo August 2007 Sinclair Miscellaneous
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... , bc, hl

    DELAY: ld hl,-141
    add hl,bc
    .loop add hl,bc
    jr c,.loop ...
    or 0
    .g0 inc hl
    .g1 rra
    jr ...
    Patrik Rak Patrik Rak September 2007 Development
  • IY RegisterIve got a really bizarre bug, and I have only just started using the IY register. I seem to remember reading somewhere in a programming book, to neve…

    ... compared to BC,DE and HL. When you need more registers ... they are accessed sequentially (with HL and INC HL) but sometimes you need ...
    Alcoholics Anonymous Alcoholics Anonymous September 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 …

    ... hl,bc
    ld a,(hl)
    pop hl
    ld (hl),a
    inc hl ...
    ex de,hl ... c
    ld c,(hl)
    inc hl
    ld (r0 ... nz
    ld a,(hl)
    inc hl
    rla
    ...
    Metalbrain Metalbrain October 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 …

    ... hl)
    add hl,bc
    ld (hl),a
    inc hl
    ex de,hl ... nz
    ld a,(hl)
    inc hl
    rla
    ... hl)
    add hl,bc
    ld (hl),a
    inc hl
    ex de,hl ... nz
    ld a,(hl)
    inc hl
    rla
    ...
    Metalbrain Metalbrain October 2007 Development
  • ZX Spin assembler - where am I going wrong?I'm trying to use the assembler in ZX Spin, but I'm getting error messages. Here's a screenshot of the first simple program I'm trying to get workin…

    ... z,hello
    inc hl
    hello ld a,(hl)
    [/code]
    The Servant The Servant October 2007 Development
  • New assember ideaAs i work with Eclipse IDE in my job i become more and more lazy. This leads me to idea that it is time to left Notepad+Tasm combo behind and move on…

    ... hl,40000
    push hl
    ld hl,5000
    push hl ... .sbrk_callee

    pop hl
    pop bc
    ex ... : de = heap pointer
    ; hl = address of available block
    hl),c
    inc hl
    ld (hl),b
    inc hl
    ...
    Alcoholics Anonymous Alcoholics Anonymous November 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 …

    ... hl)
    add hl,bc
    ld (hl),a
    inc hl
    ex de,hl ... length = 2 or 3
    inc hl
    rr c
    ret ... b,c
    ld c,(hl)
    inc hl
    ld iyh,b ... /> ret nz
    ld a,(hl)
    inc hl
    rla
    ld ...
    Metalbrain Metalbrain November 2007 Development
  • The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…

    ... out (W5100_LSB), a
    ld hl, destination

    ; read ... out (c), h
    inc c
    out (c), l ... inc c
    in a, (c)
    ld (de), a
    inc hl ...
    inc de
    djnz .loop< ...
    Winston Winston November 2007 Hardware
  • 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 …

    ... b,a
    ld c,(hl)
    inc hl
    ld iyh,b ... /> ret nz
    ld a,(hl)
    inc hl
    rla
    ld ... b,a
    ld c,(hl)
    inc hl
    ld iyh,b ... /> ret nz
    ld a,(hl)
    inc hl
    rla
    ld ...
    Metalbrain Metalbrain December 2007 Development
  • Channel redirectionHi! I need help regarding the following problem. I want a BASIC decoder running on Spectrum, written in assembler. I found the great *LIST routine […

    ... preserved before here
    LD HL,(bufindex) ; Get pointer to buffer ...
    LD (HL),A ; Store character
    INC HL ; Point to next ...
    Jonathan Harston Jonathan Harston December 2007 Development
  • Minigame Compo 2007Hi there, also this year, there'll be a minigame competition, open to all 8-bit computers and consoles. It consists on writing games whose size (…

    ... LD (DE), A
    ; INC DE
    ; JR NEXT
    call getbit
    adc hl, hl
    ;or l ;we ... not need additional check, ADC HL,HL provides correct flags
    ...
    dec hl
    getbit1
    inc hl
    rl (hl)
    jr ...
    Fikee Fikee January 2008 Development
  • Minigame Compo 2007Hi there, also this year, there'll be a minigame competition, open to all 8-bit computers and consoles. It consists on writing games whose size (…

    ...
    dec hl
    getbit1
    inc hl
    rl (hl)
    jr z ... 't know in which way HL is further effected, but I ...
    getbit1
    rl (hl)
    inc hl
    jr z, getbit1
    Dr BEEP Dr BEEP January 2008 Development
  • Minigame Compo 2007Hi there, also this year, there'll be a minigame competition, open to all 8-bit computers and consoles. It consists on writing games whose size (…

    ... 't know in which way HL is further effected, but I ...
    getbit1
    rl (hl)
    inc hl
    jr z, getbit1
    Fikee Fikee January 2008 Development
  • Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…

    ... EXX
    PUSH HL
    EXX
    LD HL, COMI
    ... LD (#5CED),HL
    RST ...
    EXX
    POP HL
    EXX
    LD ... CALL #1601
    LD HL,VERS1
    LD A,(IY ... C
    RST 16
    INC HL
    JR IMP
    ...
    NotFound NotFound January 2008 Emulators
  • Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…

    ... EXX
    PUSH HL
    EXX
    LD HL, COMI
    ... LD (#5CED),HL
    RST ...
    EXX
    POP HL
    EXX
    LD ... CALL #1601
    LD HL,VERS1
    LD A,(IY ... C
    RST 16
    INC HL
    JR IMP
    ...
    NotFound NotFound January 2008 Emulators
  • Game EditorsWell as the title says, this is a query about game editors, specifically the ones for Gremlin games... Many moons ago, Your Sinclair published (I th…

    ... 0ats
    l_f4a9: ld a, (hl) ; f4a9 7e $07ts
    ... f4ae 14 $04ts
    l_f4af: inc hl ; f4af 23 $06ts
    ... $0dts
    l_f4c5: ld hl, $7f7a ; f4c5 21 7a ... f4c8 a7 $04ts
    sbc hl, de ; f4c9 ed 52 $ ... f4c8 a7 $04ts
    sbc hl, de ; f4c9 ed 52 ...
    jp jp January 2008 Games
  • New protection systemsAs a follow-up to [URL="http://www.worldofspectrum.org/forums/showthread.php?t=14311&page=2"]this[/URL] thread regarding relatively new protection sy…

    ... B,(HL)
    INC HL
    LD A,(HL)
    INC HL
    LD H,(HL)
    LOOP RR (HL ...
    Patrik Rak Patrik Rak February 2008 Development
<1…891011121314…34>

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