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<1…15161718192021…34>
  • games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…

    ... to read the manual (tiny print on a green background), in ... complimentary demo copy) the rotate routine didn't work.? Hardly a ...
    robert@fm robert@fm September 2004 Games
  • Zecut0r and ZAFA while ago (about 2 yrs)i took VbSpec and tried to port it to Delphi 6. Althought it was pretty weak, it. Meanwhile DelphiSpec 0.1 appeared and i wa…

    ... /> call 3435 ;"call ZX ROM ROUTINE"
    asmend ;"end assembler"
    ROUTINE"
    asmend ;"end assembler"
    end

    procedure emit ;"print ... /> end

    procedure cr ;"print a carrige return to screen ...
    zecut0r zecut0r October 2004 Emulators
  • Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…

    ... primer for my own sprite routine a few months ago, when ... started getting back into Z80 assembly programming.

    It's ... good example of a sprite routine nontheless.

    In the ...
    dmsmith dmsmith October 2004 Development
  • Key Redefine RoutineAnyone written a nice key redefine code snippet?

    ... /> Thanks :wink:, I was after assembly not basic, but appreciate the ... - I'd never have considered assembly language, not in a million ... , but what about in this assembly language thing?) and *then* ... to do a key redefine routine in assembly.

    Which ...
    Dunny Dunny November 2004 Development
  • Key Redefine RoutineAnyone written a nice key redefine code snippet?

    ... - I'd never have considered assembly language, not in a million ... go and learn what z80 assembly is, how it works, and ... , but what about in this assembly language thing?) and *then* I ... to do a key redefine routine in assembly.

    Which I ...
    monty.mole monty.mole November 2004 Development
  • Help required to calculate screen addressesDoes anyone have some code that calculates the screen address one pixel below the given address ? Is it best to use a lookup table ? Any examples of …

    ... it directly in a sprite routine. A better way would be ... complete lookup table in the assembly file).
    gasman gasman November 2004 Development
  • Help required to calculate screen addressesDoes anyone have some code that calculates the screen address one pixel below the given address ? Is it best to use a lookup table ? Any examples of …

    ... />
    The PLOT-routine starts leftunder, this routine assumes that the pixels ... start left,above like PRINT AT
    Dr BEEP Dr BEEP November 2004 Development
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... /> nline ld hl,noret
    print dec hl
    inc bc ... a,d
    jr c,print
    add a,b
    print dec hl
    inc bc ... opportunities for the 33 bytes routine, which would look like this ... NLINE makes C = #FE
    print dec hl
    inc bc ...
    Dr BEEP Dr BEEP February 2005 Development
  • How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks

    ...

    PRINT USR xxxxx calls a M/C routine that starts ...
    Ian Hamilton Ian Hamilton February 2005 Sinclair Miscellaneous
  • About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…

    ... :44, cz2000 wrote:
    parameters, print AT, etc.). What are not ... is the basic char output routine that stdio is using. A ... the system vars to store print position, attr, etc. It has ...
    Alcoholics Anonymous Alcoholics Anonymous February 2005 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... call PRINT with an UDG you are calling a MC routine, aren ...
    na_th_an na_th_an March 2005 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    [quote]After all, when you call PRINT with an UDG you are calling a MC routine, aren't you?[/quote]

    Erm, technically you're calling a MC routine whatever you do.
    cyborg cyborg March 2005 Development
  • Invisible loading screenI can't remember how this is done (I did it years ago but can't remember how). When loading a screen$ from basic you can see the lines being display…

    ... />
    But it gives a print to the printer!
    (as ... redirects the screen stream output routine to a RET instruction so ...
    Marko Marko March 2005 Development
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... 't get them "working"
    print chr$ 1+"f" should give ... /> They don't work with PRINT, but when inserted into an ... of Geoff Wearmouth's ROM assembly file, and take a peek ...
    Dunny Dunny April 2005 Sinclair Basic
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... * PEEK(x+1)
    20 PRINT FN p(23672)


    If you have a routine for say the movement of ...
    CKay CKay April 2005 Sinclair Basic
  • Game being created with Platform Game DesignerBeen playing with this since yesterday when i bought it from Cronosoft. To someone like me who cant program its excellent to create a Manic Miner st…

    ... correctly there's a ROM routine at address 654 (028Eh) which ... pressed). So your redefine key routine should CALL this address and ... (my first) routine in assembly to call that ROM routine, read the E ... else when the 14 bytes routine was done.

    ...
    na_th_an na_th_an May 2005 Development
  • Need some help making a BASIC gameI'm creating a text adventure in 128 BASIC (I don't like using the 'keywords' in 48 BASIC - It's slow and annoying!) called "The Legend of The Red Dr…

    ... , sonic91 wrote:

    10 print "you are at the entrance ... GO SUB to a sub-routine based on which verb index ...
    Arjun Arjun July 2005 Sinclair Basic
  • GraphicsI can't find this posted anywhere else, but how do you use graphics, other than circle, pixels and lines? For example, how do you draw a filled box o…

    ...
    read a$, c
    print a$
    plot 128, 13 ... , I cloned the spectrum draw routine to use in my own ...
    NotFound NotFound July 2005 Sinclair Basic
  • any tips for learning spectrum machine code?hello there, I have some experince programming in basic, both sinclair 48+ (just need to recall most of what i learnt :D ) and Quickbasic. anyway i a…

    ... doors etc.

    Assembly language gives you only one ... colours.

    So Assembly is programming in very small ... Assembly becomes very easy, but very tedious as a simple PRINT in ... BASIC grows to a few hundred instructions of Z80 Assembly ...
    Dunny Dunny August 2005 Development
  • how do i read the keyboard in assembly? here is the code i tried writting to find out the value of a key call 28f (hex) loop: ld a,255 cp e jr z loop ld (50000),e ret notes from what i …

    ... the values returned from the routine should be as follows:

    i'll print myself out a copy of ...
    mestor mestor August 2005 Development
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... dec d
    jr nz,print
    call nc,#22b0
    print dec hl
    djnz ... jr nc,nbyte
    {exit routine}
    defb #21
    start ... will probably not effect your print.

    You ...
    Dr BEEP Dr BEEP August 2005 Development
  • Which assembler to useHello again, another question. As I just started fiddling with assembler I used whatever tools were in front of me. In this case, the built-in assem…

    ... .e. write a new ROM-routine which you can load later ... " ; value = 65
    rst 16 ; print capital A
    ret ; back ...
    Dr BEEP Dr BEEP September 2005 Development
  • Emuzwin / Spin AssemblerHello lads. Wondering if anyone can help. I've decided to look into playing about with some code using the Emuzwin or Spin built-in assembler. Are th…

    ... the USR function. These are PRINT USR "address of machine code ... /> A simple example of an assembly program would be something like ... register is holding. So entering PRINT USR 60000 would result in ...
    dmsmith dmsmith October 2005 Development
  • 42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…

    ... and redirect it to a routine of your choice. One afternoon ... 5633 which sets the current print channel.
    jonathan jonathan October 2005 Development
  • 42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…

    Anyway, even if you get PAW to print using the 42 columns routine, the word-wrapping routine in PAW has to be changed as well to wrap after 42 characters and not 32.
    na_th_an na_th_an October 2005 Development
  • 42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…

    ... and redirect it to a routine of your choice. One afternoon ... 5633 which sets the current print channel.

    [/quote]
    wilsonsamm wilsonsamm October 2005 Development
  • Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…

    ... Spectrum ROM Disassembly shows the routine.

    If the ... RND*n)+1
    110 PRINT a(p);" ";
    120 ... 140 NEXT j
    150 PRINT
    160 NEXT i
    140 PRINT a(p);" ";
    150 ... 170 NEXT j
    180 PRINT
    190 NEXT i
    Digital Prawn Digital Prawn December 2005 Emulators
<1…15161718192021…34>

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