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<1234567…34>
  • MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…

    ... ]org 32000
    call cols ;fill attributes
    ld hl,72 ;start ...
    daveysludge daveysludge September 2013 Development
  • Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…

    ... demo I never needed to fill attributes separately from the bitmap, hence ... thirds of the screen or attributes.
    introspec introspec October 2013 Development
  • Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…

    ... demo I never needed to fill attributes separately from the bitmap, hence ... thirds of the screen or attributes.[/QUOTE]
    Note: I made ...
    David Jones David Jones October 2013 Development
  • Quickest way to fill the attributes using LDIRI'm looking for a small routine to fill the entire attribute area of the memory with a single value, I've used LDIR in the past, but forgotten how to…

    I'm looking for a small routine to fill the entire attribute area of the memory with a single value, I've used LDIR in the past, but forgotten how to do it... :confused:
    daveysludge daveysludge August 2012 Development
  • Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …

    ... either have another buffer with attributes, and write these when char ... />
    CALL INITIM2

    ; Fill Back buffer with a bright ... , Y char, X char
    ;Attributes: No attributes
    ;Mask: Yes, mask ...
    robpearmain robpearmain September 2004 Development
  • SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…

    I try to fill the screen with 00 value, ... /> - hex numbers
    - fill memory block
    - fill with 00
    - main ...
    secarica secarica October 2004 Emulators
  • What happens during a reset?I always used to wonder about this, but only thought a bit more about it last night when noticing after all these years what actually happens. Obvio…

    ... screen attributes.

    I notice that the screen seems to fill ...
    Gwyn Gwyn February 2006 Sinclair Miscellaneous
  • Mode 2 Tile Editor SourceA Timex Mode 2 Tile Editor incorporating a byte mirror table. The compiled version is available in the CSSCGC 2008 collection from the WoS archive. …

    ... ; 46608 ; copy working tile attributes to zoom view
    ; ... br /> call cp32bytes ; copy attributes
    ld bc,$281e ... /> xor a ; to fill the b, c, d, ...

    ; ---------------
    ; ZOOM ATTRIBUTES
    ; ---------------
    ;
    ; perform ...
    chev chev January 2007 Development
  • Flood Fill ConundrumI have written a flood fill alogirithm. It uses the stack, but only with the y axis. It works quite well, but on large polygons it does take a while …

    I have written a flood fill alogirithm. It uses the stack, ... decide how wide it can fill.
    Fills each pixel, moving ...
    carlinski carlinski June 2008 Development
  • Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…

    ... EOF, deleting files, changing file attributes etc.

    [*]Graphics support ... anybody have a fill routine which can fill with an 8x8 bit ...
    Jimmy Jimmy August 2008 Development
  • Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…

    What is the fastest fill routine you've ever seen? ... games and adventures that use fill routines were considered slow in ... .

    Example of slow fill routine: The one in 'The ... . I searched the forums for 'fill routine'.[/SIZE]
    zxbruno zxbruno February 2010 Sinclair Miscellaneous
  • Manipulating attributes...Hi Folks, I have written a routine that allows a blue bar to be scrolled up and down a list to select an item. Each item in the list occupies two l…

    ... />
    To allow the original attributes to be restored I take ...
    Paddy Coleman Paddy Coleman November 2010 Sinclair Basic
  • Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…

    ... then redisplay a line of attributes from the screen. For example ... the ability to restore the attributes in some way - another USR ...
    Paddy Coleman Paddy Coleman June 2011 Sinclair Basic
  • Pixel Pimp, graphics utilityHi All, [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/pixelpimp.gif[/IMG][IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes…

    ... blocks (line fill, mirror, shift, orpaste, flip), data and attributes, something to ...
    R-Tape R-Tape September 2011 Development
  • Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…

    ... - FN f("z()","",find)
    * fill array 'a' elements with value ... /> . eg. FN f("z$()","wxyz",fill) -or- FN f("z()","INT ... PI",fill)
    * [optionally copy string 'c ... .uk/~jg27paw4/pourri/find-fill-copy.zip]Find-Fill-Copy.zip[/url ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • ZX-Paintbrush version 2.2 releasedDear readers, Today I released ZX-Paintbrush 2.2 with many new features. I hope you'll like it. Please refer to ZX-Paintbrush's section of my homepa…

    ... support
    [*]New tool "Free attributes"
    [*]Better map-based editing ... new CHX file, you may fill it with a Windows font ...
    clausjahn clausjahn May 2012 Emulators
  • 64x48 full colour graphicsHow feasible is this? Could an interrupt-driven routine be used to, for example, fill the top two thirds with a 64x32 blocky picture and leave the bo…

    ... be used to, for example, fill the top two thirds with ... have to fill the screen with CHR$ 0x85 then change attributes every ...
    na_th_an na_th_an July 2012 Development
  • BIFROST* for graphic artists - part 2: static tilesThis tutorial provides some guidelines for designing multicolor tiles. Before reading this text, it's strongly recommended that you (re-)read [URL="h…

    ... if it used standard Spectrum attributes:

    [IMG ... be impossible using standard Spectrum attributes:

    [IMG ... different using standard Spectrum attributes (except for the hero ... enough multicolor images to "fill" the entire multicolor tile, ...
    Einar Saukas Einar Saukas August 2013 Development
  • WoS Forum Game ("official" version)OK, this here is what we be callin' a "WoS Forum Game" ... Yup. ([SIZE="1"][FONT="Garamond"]COMPLETELY stolen from an email chain-game making the rou…

    ... the game is have WoSsers fill in each 40x40 areas, but ... is made up of 5x5 attributes (each attrib being 8x8 pixels ...
    ZnorXman ZnorXman November 2013 Chit chat
  • Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …

    ... easiest ways to check the attributes of tiles on the screen ... ATTR, allowing me to apply attributes to the screen?
    Is ...
    Dock Dock June 2014 Sinclair Basic
  • Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…

    ... /> # - Does not do anything with attributes


    #Class to ... /> #6.2 - Pop registers to fill them up
    segmentWidth = self ...
    KrazyKattapilla KrazyKattapilla August 2014 Development
  • SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…

    ... /> CLEAR [array()[,value/value$]] will fill an array with a value ... /> Fixed:

    Some text attributes were inappropriately cleared at times ...
    Dunny Dunny February 2015 Sinclair Basic
  • Flood FillHi Folks, Can anyone point me to a flood fill that I can call from ZX BASIC? I have looked through the archive and although there are posts about…

    ... point me to a flood fill that I can call from ...
    Paddy Coleman Paddy Coleman December 2015 Development
  • Brightness level of non-bright attributes on classic ZX 48Does anybody know what was a brightness level of non-bright attributes on classic ZX 48? Was it the same on 128, +2 and +3? I can see on wikipedia a…

    ... brightness level of non-bright attributes on classic ZX 48? Was ...
    moroz1999 moroz1999 September 2016 Hardware
  • Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…

    ... is supposed to fill every byte of screen (not attributes) with 255 ...
    Paddy Coleman Paddy Coleman September 2016 Development
  • "ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…

    ... the display file where the attributes are held. It may seem ...
    - the stack won't fill beyond 17 values or empty ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Basic
  • Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…

    ... Came across the following Flood Fill routine by John Metcalf:


    [code]; scanline fill by John Metcalf
    ; call ... 1E 64

    fill:
    ld l,255 60004 ... /> ; save their coordinates to fill later if necessary

    Paddy Coleman Paddy Coleman August 2017 Development
  • Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…

    ... assembly. I've been using attributes when writing in BASIC to ...
    ivanb303 ivanb303 November 2017 Development
  • [Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…

    ... | BRIGHT_ON | PAPER_BLACK | INK_WHITE ; Select attributes.
    ld (SYSVAR_ATTR_P),a ; Save ... a ; Put the attributes fill byte on to the attributes address.
    dec ... ; Move back to the previous attributes address.
    djnz cls_attributes_loop ; ...
    ST1 ST1 November 2018 Development
  • Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…

    ... /04/zx-spectrum-scanline-flood-fill.html"]John Metcalf's Scanline ... /04/zx-spectrum-scanline-flood-fill.html

    10 CLEAR ... /> 200 REM Coordinates to start fill
    210 POKE 63694,x ... />
    300 REM Location of fill pattern
    310 IF RND ...
    Volker Volker February 2021 Software
<1234567…34>

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  • Quickest way to fill the attributes using LDIRI'm looking for a small routine to fill the entire attribute area of the memory with a single value, I've used LDIR in the past, but forgotten how to…
  • SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result.<br /> <br /> - pause the game<br /> - debugger<br /> - hex numbers<br />…
  • Screen AttributesNot sure if this is a devolopment question but here goes...<br /> <br /> In my limited understanding, the 'attribute file' of a speccy is 5800h to 5A…
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  • Land fillAbout 6 years ago (Cue wishy-washy timewarp effect) I received a letter from a company claiming that they had a steel container 15' x 15' containing …
  • need a routine to fill the screen with 'stars'I need a routine that will randomly set pixels to give the illusion of a star filled back ground. Once drawn, the stars don't need to move. Not wanti…
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  • Flood Fill ConundrumI have written a flood fill alogirithm. It uses the stack, but only with the y axis. It works quite well, but on large polygons it does take a while …
  • Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere?<br /> Most games and adventures that use fill routines were consider…
  • Manipulating attributes...Hi Folks,<br /> <br /> I have written a routine that allows a blue bar to be scrolled up and down a list to select an item. Each item in the list oc…

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