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<1234567…34>
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... position on the screen, a bit like the screen attributes. This is filled ... block types every time a screen is displayed or fodder blocks ... /> If you really wanted to fill the area with different properties ... would only take a single POKE to modify your game.
    jonathan jonathan October 2009 Development
  • real value of some of these books as learning aids?Ok, I admit perhaps it was a late night and frustration. :???: I could have been hallucinating when i was doing the typein. But I think not.. [url]…

    ... the hobbit. how did they fill the colours? was it just ... /> So then enter in a poke of another number between 0 ... the screen.

    Is there a way I can poke the ... rest of the screen attributes like this?
    WibbleBibble WibbleBibble August 2012 Sinclair Basic
  • Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …

    ... br />
    // Trap the POKE command

    PutWord(@Memory ... it "", CODE, DATA or SCREEN$

    PutWord(@ ... $00ED); // Trap 1 - Fill with $02
    PutWord(@Memory ... /> Sets the border and screen attributes on startup. Should work the ...
    Dunny Dunny October 2016 Development
  • Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…

    ... and copy it to the screen. Attributes only though.

    This ... the top of the screen. The buffered attributes will be scrolled down ... , to fill-in at the right-hand side of the screen as ... , then that many bytes, will POKE those bytes into memory. So ...
    joefish joefish January 2017 Games
  • Screen AttributesNot sure if this is a devolopment question but here goes... In my limited understanding, the 'attribute file' of a speccy is 5800h to 5AFFh and each…

    ... each character position on the screen. With bits 0 to 2 ...
    Saboteur Saboteur January 2005 Development
  • 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…

    ... happens.

    Obviously, the screen goes black, but you also ... value being sent to every screen position - a byte with just ... the screen attributes.

    I notice that the screen seems to fill in ...
    Gwyn Gwyn February 2006 Sinclair Miscellaneous
  • 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
  • printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…

    i remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyone remember?
    digital digital August 2018 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…

    ... ,FLASH_OFF | 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 ... ; Select the byte used to fill screen. All zeroes means blank it ...
    ST1 ST1 November 2018 Development
  • MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…

    ... border is being drawn, fill screen 0 with red attributes. (384 PUSHes - easily ... border is being drawn, fill screen 0 with blue attributes. Then switch screens ... to write to the attributes during the main screen area - just issue ...
    gasman gasman February 2009 Development
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    ... it draws directly on the screen.

    [code ... ;first we need to fill the attributes
    ;to do this ... ;now we need to fill the screen area
    ;first ... have to calculate the screen area address from X ... address of the next screen line, calculating it ...
    Shiru Shiru June 2010 Sinclair Basic
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    ... problems if the whole screen is always has the ... ;first we need to fill the attributes
    ;to do this ... ;now we need to fill the screen area
    ;first ... have to calculate the screen area address from X, ... address of the next screen line, calculating it from ...
    Shiru Shiru June 2010 Sinclair Basic
  • BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…

    ...
    ld bc,767 ;fill whole screen with 96
    ldir
    loop ld (hl),64 ;poke value in: black paper + ink ... good Doctor) could code a fill screen routine like this!)
    R-Tape R-Tape December 2011 Development
  • Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…

    ... clear the attributes, as the print will overwrite the screen when it ... see the junk under the attributes. :D
    If you ... you want ) then just fill the attributes, which will be done ... before the raster starts drawing the screen ...
    Baggers Baggers January 2012 Sinclair Basic
  • Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…

    ... clear the attributes, as the print will overwrite the screen when it ... see the junk under the attributes. :D
    If you ... you want ) then just fill the attributes, which will be done ... before the raster starts drawing the screen ...
    Paddy Coleman Paddy Coleman January 2012 Sinclair Basic
  • A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…

    ... lot;
    [*] Fill the regular screen attributes (corresponding to multicolor area ... while drawing;
    [*] Fill all 81 positions of ... to start with a clear screen;
    [*] Now ... , directly changing screen bitmaps and multicolor attributes as documented. ...
    Einar Saukas Einar Saukas March 2012 Brand new software
  • real value of some of these books as learning aids?Ok, I admit perhaps it was a late night and frustration. :???: I could have been hallucinating when i was doing the typein. But I think not.. [url]…

    ... can poke the rest of the screen attributes like this?[/QUOTE]

    Screen attributes ... reside from address 22528 to 22528 + 768. You can poke any ... INT (RND * 255)
    40 POKE a, attr
    50 NEXT ... the linearity of the attributes).
    Arjun Arjun August 2012 Sinclair Basic
  • List of useful POKEs?Hi all. :smile: Just out of curiosity, does anyone know of a thread/file somewhere here containing a list of useful POKEs? Stuff like POKEs to make …

    [QUOTE=leespoons;709277]POKE 23624,0 makes the ... when you've got a screen$ to load and don ... attributes load in, as BORDER 0 was never enough.

    POKE ... br />
    POKE 23624,attributes
    POKE 23693,attributes

    where attributes=128*FLASH ...
    TK90XFan TK90XFan July 2013 Sinclair Basic
  • Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…

    ... it expects all of the screen attributes to be zero when it ... lower screen, so these must be set with BORDER 0 and POKE ... think that probably just the POKE would do.)

    The ... pass), selectively incrementing the colour attributes on each pass until each ...
    Battle Bunny Battle Bunny February 2014 Development
  • Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…

    ... it expects all of the screen attributes to be zero when it ... lower screen, so these must be set with BORDER 0 and POKE ... think that probably just the POKE would do.)[/quote]


    Thanks also regarding POKE 23624,0 (BORDCR). I didn ...
    Speccy_James Speccy_James February 2014 Development
  • Help needed with MIA software with custom (?) loaderHi, I've got into my hands recently a bunch of Polish educational software which are unknown MIA on WOS. I believe they are protected with some…

    ... BC,1800
    0x5CD9 LDIR ; Fill screen with random data from ROM ... -22527 0x5000-0x57FF 01010xxxxxxxxxxx
    ;Attributes goes from
    ;22528-23295 ... M2 if middle block or attributes
    0xEB69 SCF ; Carry signals ...
    lfaria lfaria August 2016 MIA/STP/SDP
  • Graphics program in AssemblyHi so I think I'm getting the hang of this so I've done this program. It writes directly to the screen. I'm using ZX Spin. [code] LD HL,16384 LD B,…

    ... , if you really need to fill screen with one byte, use much ... , if you do not need attributes

    ld (hl), 170 ...
    Bedazzle Bedazzle October 2016 Assembler
  • Graphics program in AssemblyHi so I think I'm getting the hang of this so I've done this program. It writes directly to the screen. I'm using ZX Spin. [code] LD HL,16384 LD B,…

    ... , if you really need to fill screen with one byte, use much ... , if you do not need attributes

    ld (hl), 170 ...
    ivanb303 ivanb303 October 2016 Assembler
  • How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…

    ... TO 7
    20 POKE 23681,64+f
    ... crazy, pointing to address 22592 (screen attributes)


    ... br /> 40 POKE 23681,INT (f/256): POKE 23682,f- ... same in the middle screen; I guess what can ... effects or for quick attributes change in BASIC games ...
    IvanBasic IvanBasic July 2017 BASIC
  • EmuZWin version 2.3 Final release. To be continued...This is the Final release of the version 2.3, but hope version 2.4 will be ready soon, with great new features added... Version 2.3 Release 1.99 (15…

    ... "Use DirectX in Fill-Screen", and going to full screen and back to ... in normal state (not full screen and not maximized).
    [*] Reporting ...
    Vladimir Kladov Vladimir Kladov March 2004 Emulators
  • ROM paging questionAssuming the Spectrum 128 memory map and port addresses, but two custom ROMs in place of the normal Editor and BASIC, what is the most efficient way …

    ... at 23296, immediately after the screen attributes.
    chev chev January 2006 Development
  • Anarchy (from Hewson) Level Data?Does anyone here have the ability to get hold of the data for all the levels in this game, as I am interested in remaking it for the pc. I can only …

    ... ,0
    50 LOAD ""SCREEN$
    60 POKE 42886,201: REM INFY ... LIVES
    70 POKE 34566,33: REM INFY TIME ...
    Amigo Amigo July 2003 Games
  • Adding to the WOS archiveI've just had my first foray into the world of MakeTZX. And apart from it recognising the initial "Program:" block as a Turbo Loading block (how, why…

    ... the checksums are wrong. The screen attributes load slightly wrong and the ... at the end of the screen. Therefore, I'm now screwed ...
    The Mighty Dopethrone The Mighty Dopethrone September 2003 Games
  • Spindizzy: good or horrible?Spindizzy is definately a much-loved old speccy game but is it actually any good? I played it a load back in the day, but i played every game i had …

    ... you around the current screen...

    Poke #CA40,X where X ... /> Poke #9992,X : Poke #9993,Y

    Current Screen Warp
    Poke #9995 ... ,0-7 Row
    Poke #9997,0 ...
    BadBeard BadBeard September 2004 Games
  • MemoryI am writing a game for the Spectrum and need to store a lot of map data. What is the lowest address I can start to store the data at ?

    ... map data just after the screen attributes but was aware of the ...
    Mr Millside Mr Millside December 2004 Development
<1234567…34>

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