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<1…22232425262728…34>
  • Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…

    ... by PEEKing the 'PROG' system variable (see [url]http://www.worldofspectrum ... massive Bytes: block spanning the screen memory, system variables, program data ...
    gasman gasman October 2010 Development
  • Official CSSCGC 2010 Competition ThreadDear Wossers, As 'loser' of the 2009 competition, I am now obliged to host the 2010 competition. I have created a site which will provide a hub for …

    ... likely an interrupt updating the screen.[/quote]
    This is not ... of the output is slightly variable, causing some detuning of the ...
    AY Chip AY Chip October 2010 Games
  • 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…

    ... RAMT" is the last system variable at location 23732. I seem ... this. It does use the screen for temporary workspace. I once ... minimised to 23976 with the screen display being compressed into a ... the filename will corrupt the screen.

    CYBER1: 16384 6912 ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • Stopping the loading messages...Hi Folks, As you know, the ZX BASIC kindly reports the program, bytes or data that you have loaded on the screen. To stop these appearing I was thi…

    ... be to query the system variable CHANS (23631) to find their ... +1),0
    30 LOAD ""SCREEN$[/CODE]

    This seems ...
    jp jp November 2010 Sinclair Basic
  • 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…

    ... [/CODE]

    then the variable d will contain the drive ... technical reasons. Always use a variable.[/QUOTE]

    [QUOTE=Arda ... /Sinclair/Interface2/Cartridges/Interface2_RC_New_Copier.htm"]screen resident copier[/URL] specifically for ...
    jp jp November 2010 Sinclair Miscellaneous
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... zx_border(2);

    //clear screen
    putchar(12);

    screen

    // Attach C Variable to Sprite Graphics ... 21) // if sprite went off screen, reverse direction
    dy = - ...
    Digital Prawn Digital Prawn December 2010 Development
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... zx_border(2);

    //clear screen
    putchar(12);

    screen

    // Attach C Variable to Sprite Graphics ... 21) // if sprite went off screen, reverse direction
    dy = - ...
    Digital Prawn Digital Prawn December 2010 Development
  • New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…

    ... , it will be a flip-screen game.

    Through discussions ... simple tune for the intro screen.

    I'm allowing ... which use the BORDCR system variable. I'll be using my ...
    Digital Prawn Digital Prawn January 2011 Brand new software
  • Converting TRD-Dos into TapHello, there are still many programs appearing on TRD-Dos or SCL format and users of normal Spectrum cannot run them. Of course I know about emulator…

    ... - logical sector,
    ;(#5CF4) - system variable that holds the current sector ... current head position. A loading screen, most likely. :)

    Some ...
    Hikaru Hikaru January 2011 Development
  • Macros in Z80 assemblerI don't know if the title of this post is good, so let me explain what I mean If have for example code [SIZE="1"]LDI LDI LDI LDI LDI[/SIZE] I can…

    ... elsewhere:

    rept times, variable name, initial value, step
    variable as the control of an ... an address table for the screen rows.
    joefish joefish January 2011 Development
  • Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.

    ... active before printing to the screen poking to 23675 and 23676 ... ]

    Replace give the variable "address" the value corresponding to ... the UDGs you want on screen provided you activate the correct ...
    na_th_an na_th_an January 2011 Sinclair Basic
  • Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.

    ... active before printing to the screen poking to 23675 and 23676 ... br />
    Replace give the variable "address" the value corresponding to ... the UDGs you want on screen provided you activate the correct ... Another advantage: You can use SCREEN$ to read the UDG as ...
    Dr BEEP Dr BEEP January 2011 Sinclair Basic
  • Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.

    ... active before printing to the screen poking to 23675 and ... br />
    Replace give the variable "address" the value corresponding to ... the UDGs you want on screen provided you activate the ... /> Definitely plan on using the SCREEN$ variable for hit detection.
    olaf olaf January 2011 Sinclair Basic
  • Help?Hi All, I wonder if anyone has a few minutes to look at this bit of code I'm working on. I'm trying to move to sprites and want to do it with a scr…

    ... low-byte of the seed variable in memory (rather than the ... the address of the seed variable and the "INC (HL)" ... byte of the variable only.

    Because your screen line address ... instruction to increment the entire variable, but there are a quite ...
    Digital Prawn Digital Prawn January 2011 Development
  • SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…

    ... allowed to pass a string variable for the gfx$ parameter) or ... to assign parts of the screen as foreground, and that the ... care to set (with the SCREEN command), with 256 colours paletted ...
    Dunny Dunny January 2011 Sinclair Miscellaneous
  • BASin Problems etc.Hi Folks, Paul has asked me to open this thread to document any outstanding issues that we find within BASin. No guarantees that Paul can/will fix …

    ... :

    [LIST]
    [*]The variable [B]e[/B] is not ... ]FOR...NEXT[/B] variable is re-typed the variable list debug window ... reflect this
    [*]Graphic commands/screen updates slow even if using ...
    Paddy Coleman Paddy Coleman January 2011 Sinclair Basic
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... ; Bit 3 : 0=SCREEN 0 (normal display file in ... =Using printer, 0=Using screen.
    ; Bit 2 ... Bit 6: 1=Numeric variable, 0=String variable.
    ; Bit 7 ...
    jp jp January 2011 Games
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... for each channel is variable length and could include ... of pure genius" spectrum screen (and then for the ... [/quote]

    Your proposed screen organization to splot a 16x16 ... frame... for the current screen organization we are predicting 70000 ...
    Alcoholics Anonymous Alcoholics Anonymous February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... size for each channel is variable length and could include buffers ... and hw...[/QUOTE]
    Screen layout i'm talking about ... ;511112]
    Your proposed screen organization to splot a 16x16 ... can imagine. Besides spectrum screen usually was refreshed in two ...
    TVzombie TVzombie February 2011 Sinclair Basic
  • Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…

    ... speed. It loads itself onto screen buffer, and loads other parts ... much more complex generated code (variable acceses cannot be compiled into ...
    na_th_an na_th_an February 2011 Development
  • Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…

    ... like calculate pixel address, modify screen address by moving left/right ... need to place the seed variable in RAM someplace. Doing this ...
    Alcoholics Anonymous Alcoholics Anonymous March 2011 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... ; so look at the system variable PROG
    dec hl ; move ... ; WRITE A CHARACTER TO THE SCREEN
    ; There are four separate ... inc d ; point to next screen location
    inc hl ; point ... inc d ; point to next screen location
    inc hl ; point ...
    chev chev March 2011 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... variable CURCHL to 4 (instead of the normal 3 for the screen ...
    chev chev March 2011 Development
  • SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…

    ... /> ; so look at the system variable PROG
    dec hl ; move ... the
    ld (chrad), hl ; screen and calculate the address in ... position, place it on the screen
    and a ; one byte ... left hand side of the screen.
    ld a, (coords_y) ;
    chev chev April 2011 Sinclair Basic
  • SpecBAS 0.638 available now - NEW STUFF!Actually, there's nothing new in the interpreter - but there [i]is[/i] the beginnings of a new editor. Go get it from: [url]https://sites.google.co…

    ... break-points, full screen editing, cut/copy/paste, variable monitoring etc.? All ...
    Paddy Coleman Paddy Coleman April 2011 Sinclair Miscellaneous
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... />
    Not only for copying screen data, but it has also ... of binding a BASIC string variable to any user-specified address ... data. e.g load a screen and then manipulate the attribute ...
    Digital Prawn Digital Prawn April 2011 Sinclair Basic
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... at the top of the screen(!).

    Then I thought ... from a non-existent string variable which I'd defined as ... that to a real string variable in the VARS space. The ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
<1…22232425262728…34>

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