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<1…16171819202122…34>
  • Help fix this keyboard read program?This code runs in an interrupt routine with DI. What would be the simplest way of making it so it doesn't auto repeat a keypress? [code]keys: ld a…

    ... case
    defb 195 ; z80 JP instruction
    defw code ; address ...

    inc hl
    jp (hl) ; jump to state machine ... ; check right key
    jr nz, setstate

    ld a ...
    Alcoholics Anonymous Alcoholics Anonymous February 2010 Development
  • Midi2ayhello, Does anyone know how to use MIDI2AY ? FABIEN

    ... )
    or a
    jr nz,finrsi
    inc hl
    pop af
    jp 56 ; we'll allow basic ...
    ld (pos),hl
    jp exit

    fin xor ...
    out (0feh),a
    jp exit

    pos dw ...
    kgmcneil kgmcneil March 2010 Emulators
  • Some TR-DOS technical questionsHi forum, I sincerelly hope this was the right section of yours to ask this kind of stuff in. (else return facepalm;) Anyway, here's a couple of que…

    ... ,D ;check side
    JR NZ,DRV ;
    LD A,#3C ... ;
    pop hl ;
    JR NZ,ERRCHK ;

    ;

    TODOS PUSH IX ;
    DOS JP #3D2F ;
    ;
    CMD_RDY CALL ...
    Hikaru Hikaru April 2010 Development
  • FMV on +3eOK, so about 6 months ago i posted here that i got full motion video on +3e, with a bunch of scr files called passion. I added the glider rider music…

    ... a
    jr nz,deloop
    cpi
    jp pe,loop
    omega omega April 2010 Development
  • Deepwater Oil Spill LivePretty mad watching it live. One great big huge F!?k up really :( [url]http://www.bp.com/liveassets/bp_internet/globalbp/globalbp_uk_english/homepag…

    [QUOTE=jp;444876]Hurrah! - [URL="http://www.nzherald.co.nz/world/news/article ...
    freddyhard freddyhard May 2010 Chit chat
  • Assembly OUT commandHello, im trying to send a signal to the output using this command. LD A,2 OUT (0FEh),A ---> This will set the border colour to RED The problem i…

    ... br /> JR Z,so1 ;jp if not
    LD HL ... test 'up'
    JR NZ,so2 ;jp if not
    INC ... up-loop?
    JR NZ,so1 ;jp if not
    ... down-loop?
    JR NZ,so1 ;jp if not
    ...
    roko roko June 2010 Development
  • World Cup Online?I really want to watch the world cup live. Being in the US the proper way to do that would be to get cable TV and a sports channel. I would do that…

    [QUOTE=jp;450187]Where did that NZ goal come from - I don't know. Choice![/QUOTE]

    It was like lighting from clear sky !
    bohusk bohusk June 2010 Chit chat
  • Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …

    ...
    and %00011111
    RET nz ; EXIT routine if key is ... ...
    POP HL

    Jp read_notes_loop

    BEEPIT:

    JP $03F8 ; Entry point for BEEP ...
    kgmcneil kgmcneil June 2010 Announcements
  • Keyboard demoHere's a preview of a new keyboard for the special fx engine. Press any key to start/restart. [url]http://dl.dropbox.com/u/9498358/fire_keyboard.sn…

    ...

    [REPLACE]
    JP M,LEB9B ; bit7 set - command ... /> DEC C
    JR NZ, LOOP1

    ... br /> DEC C
    JR NZ, LOOP2

    ... AND $07
    RET NZ

    LD ...
    kgmcneil kgmcneil September 2010 Development
  • IF and control flow in machine codeHi everyone, Basic has a nice control flow like if statements. How can these be done in machine code since i cant find anything thanks

    ... commands like JR Z, JR NZ, JP NC, etc.

    But ...
    joefish joefish September 2010 Development
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... /> and 1
    jr nz,$loop

    jp zx232

    ASM ASM October 2010 Sinclair Miscellaneous
  • Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…

    ... to not use too many jp's.

    ... ld (hl),a
    jr nz, kontroll2

    inc ... ld (hl),a
    jr nz, kontroll3

    ... ld (hl),a
    jr nz, kontroll4

    ... ld (hl),a
    jr nz, kontroll7

    writetext ...
    FrankT FrankT October 2010 Development
  • Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…

    ... [CODE]inc (hl)
    jr nz, kontroll1[/CODE]
    [/QUOTE]
    INC (HL)
    JR NZ,LOOP
    NEXT:
    INC ... INC (HL)
    JR NZ,RESTART
    CP H
    JR NZ,NEXT
    ...
    [/ ... all three JR with JP if you want it ...
    Patrik Rak Patrik Rak October 2010 Development
  • Optimization for this codeHello, I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine. The z80 with BASIC and MC is av…

    ... a ; increase A
    jr nz, loop1 ; if not zeroflag set ... ) would be 1
    jr nz, kontroll1 ; if not 0, i ... back up one line
    jp loop1 ; go back to loop1 ...
    Rickard Rickard October 2010 Development
  • Do you play violent computer games AND support hunting?After the oh-so-brave shooting of a locally famous stag: [url]http://www.bbc.co.uk/news/uk-england-devon-11624253[/url] questions are again being a…

    [QUOTE=jp;487406][URL="http://www.nzherald.co.nz/nz/news/article.cfm?c_id ...
    fog fog October 2010 Chit chat
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... dec c
    jr nz,.c
    dec b ...
    jr nz,.b

    ldh ... and a,a
    jr nz,.lz3

    dec ... br /> ld h,a
    jp .loop

    ... ldh [cl],a
    jr nz,.lz5

    ldh ... br /> ld b,a
    jp .loop

    . ...
    ASM ASM October 2010 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... ;copy new sound
    jp add_beep2
    add_beep1
    djnz beep2
    jp beep0


    dec l
    jr nz, peeb1
    ld a, ... dec h
    jr nz, peeb0
    ld a ...
    djnz noise1
    jp noise0
    [/code]
    Fikee Fikee November 2010 Development
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... /> execute db 195,0,0 ; jp 0


    ... /> cp a,h ;
    jr nz,.region ;


    ;---------------------------------------------------------------------------< ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... /> execute db 195,0,0 ; jp 0


    ;---------------------------------------------------------------------------< ... br /> db 32,0E6h ; jr nz,.region

    db ...
    db 32,0E2h ; jr nz,.region

    ; ------------
    ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ... /> execute db 195,0,0 ; jp 0


    ;---------------------------------------------------------------------------< ... br /> db 32,0E6h ; jr nz,.region

    db ...
    db 32,0E2h ; jr nz,.region

    ; ------------
    ...
    ASM ASM November 2010 Announcements
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ...
    or b
    jr nz,.fill[/code][code]After
    ldi
    dec hl
    jp pe,.fill[/code]
    Hikaru Hikaru November 2010 Announcements
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ...
    or b
    jr nz,.fill[/code][code]After
    ldi
    dec hl
    jp pe,.fill[/code][/QUOTE]
    JP address in the x86 code ...
    ASM ASM November 2010 Announcements
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ... /> execute db 195,0,0 ; jp 0


    ;---------------------------------------------------------------------------< ... 0 ; jp m,.signed
    db 32,0F5h ; jr nz,.copy
    jp nn


    ...
    ASM ASM November 2010 Announcements
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ...
    and 7
    jr nz, cont
    ld a,l ... cases out of 8 if jp is used instead of jr ...
    TVzombie TVzombie January 2011 Hardware
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ...
    di ; disable interrupts
    jp init ; init

    .org ... 0x0038 ; rst 0x38 = executive
    jp executive

    .org 0x0066 ...
    sub b
    jr nz, next ; if hb go to ...
    tstih tstih January 2011 Development
  • What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…

    ... now I'm starving, cheers JP. :grin:[/QUOTE]

    Got ... book a flight over to NZ sharpish!

    Aah, too ...
    jp jp January 2011 Chit chat
  • Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…

    ... draw
    call delete
    jp keys
    draw ld b ...
    cp 80
    jr nz,here
    ld a,l ...
    cp 64
    jr nz,here2
    ld a,l ...
    R-Tape R-Tape February 2011 Development
  • Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…

    ...
    call z,p_at
    jp put_blanksprite2
    ;
    ;
    p_at ...
    dec c
    jr nz,build3
    ;
    ld hl ...
    dec c
    jr nz,build6
    ld (hl),e ...
    inc b
    jr nz,build5
    ret[/CODE]
    Turkwel Turkwel February 2011 Development
  • NZ earthquake! NZ-WoSsers ok?Just heard about the terrible earthquake that hit New Zealand. I hope that any NZ-WoSsers are ok, my thoughts are with you guys. I think we have at…

    ... earlier, thinking of enquiring about jp and Kiwi's wellbeing, but ... was devastated and as AFAIK jp lives in Auckland, and I ... /friend etc, or any other NZ Wossers OK, give us a ...
    dm_boozefreek dm_boozefreek February 2011 Chit chat
<1…16171819202122…34>

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