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Search Again :: Adv Search 1000 results in 0.158s
<1234567…34>
  • Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…

    ... games were copying graphics directly to screen memory starting at 16384. ... I'm experimenting with screen buffer where I could draw ... it's ready I would copy it to screen memory.

    ... copying static image from buffer to screen after HALT.

    ...
    Ralf Ralf December 2009 Development
  • Converting jpeg/bmp/gif to SCREEN$ fileMight be a bit of a long shot, but is there any way of converting an image file with the correct dimensions/colours to SCREEN$ file that can be loade…

    ... with the correct dimensions/colours to SCREEN$ file that can be loaded ... up with a converter program to do this.

    Failing ...
    daveysludge daveysludge January 2012 Development
  • BBC to screen live game tournamenthttp://www.bbc.co.uk/news/technology-34475037 interesting, could be the start of something? [quote]The BBC is to stream live coverage of a majo…

    ... />
    [quote]The BBC is to stream live coverage of a ... /> maybe we can get them to screen a knockout manic miner tourny ...
    mel the bell mel the bell October 2015 Chit chat
  • off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…

    ... to the screen in a way that makes it easier to draw sprites to ... top of the screen where you copy your buffer to,
    it is ... the buffer was copied to the screen so that the first 24 ... /> draw sprites on buffer
    copy buffer to screen
    slenkar slenkar June 2017 Development
  • SCR filesHi, I've created some scr files with imagetozxspec but I'm not sure how to get them across to the Spectrum (or emulated Spectrum) I tried creating a …

    ... part of memory and then copy it to screen. To do it fast you ... may need to use your own snippet ... -X utility recommended above to pack the picture and it's depacking ... options takes care of the screen ...
    Speccy_James Speccy_James January 2014 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 …

    ... /> IF FLAG IS 1, FAST COPY BUFFER TO SCREEN

    It is ...
    ;
    ; ; CONVERTS A SCREEN ADDRESS TO AN ATTRIBUTE ADDRESS
    ; LD ... /> ; PRINT A 1*8 CHAR TO THE SCREEN

    ; ON ENTRY ...
    robpearmain robpearmain September 2004 Development
  • 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. …

    ... ; copy tiles 0-127 to screen
    ; 46003 ; copy tiles 128-255 to screen
    ; 46010 ; copy screen to ... tiles 0-127
    ; 46006 ; copy screen to ...
    chev chev January 2007 Development
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ...


    //copy backbuffer to screen
    LDIR

    ...


    //copy backbuffer to screen
    LDIR
    ; ROM ... 65024

    ; pointers to interrupt routine.

    defb ...
    slenkar slenkar October 2013 Development
  • Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…

    [QUOTE=Crisis]according to the 'M:' that might be ... ??[/QUOTE]

    Nope, COPY "M:" will copy from drive M: on ... silicon (RAM) disk.

    COPY TO SCREEN$ will display the contents of ...
    Dunny Dunny April 2006 Sinclair Basic
  • Sceen$ helpMost people have used screen$ at some time or another and for me what I want to do is use it or something like it as a start screen before the game p…

    ... did the copy back to screen.

    I was beginning to feel that ... basic arcade game was going to be too much for my ... happy I may be able to produce something.

    Im ...
    Toxitalk Toxitalk May 2007 Sinclair Basic
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... />
    //////////////////////////////////////////////////
    /// PRINTING TEXT DIRECTLY TO SCREEN AND-OR BUFFER

    copy buffer to screen
    temp += 256; // next ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…

    ... terrain is then copied to the screen (area 24x16 chars) ... done just behind beam generating screen (floating bus check). when ... for drawing sprites directly into screen (probably much more if ... the sprite to the backbuffer and copy backbuffer to screen then lift ...
    Fikee Fikee May 2009 Development
  • Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…

    ... and the destination screen address. The SP is pointed to this table ... LDI's are done to copy from the source to the destination.
    Copy Tiles to BackBuffer
    2. Copy Masked Sprites to BackBuffer
    3. Copy BackBuffer To Screen
    robpearmain robpearmain May 2009 Development
  • Sprite RoutineI was wondering if anyone could point me in the direction of a really basic example of a per-pixel sprite routine? Preferably commented. The screen …

    ... DE -graphics source, HL- screen position ,B-number of horizontal ... /> LD (HL),A ;copy the to screen
    INC DE ;next ... as screen address
    INC H ;go to new ... /> RET C;going to new screen segment, if e. ... we are in the same screen segment
    RET
    Ralf Ralf October 2010 Development
  • Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …

    ... is done does it copy this to screen. All sprite and ... data is copied to screen, the destination screen address is retrieved ... completed graphics are copied to screen, intermediate draw results are ... causes a much faster blit to screen to be used.

    Alcoholics Anonymous Alcoholics Anonymous January 2012 Development
  • Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …

    ... is done does it copy this to screen. All sprite and ... data is copied to screen, the destination screen address is retrieved ... completed graphics are copied to screen, intermediate draw results are ... causes a much faster blit to screen to be used.

    climacus climacus January 2012 Development
  • BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…

    ... " TO "f2": COPY "f?.*" TO "b:": COPY "a:" TO "b:"
    16 COPY "f1" TO SCREEN$: COPY "f1" TO LPRINT: COPY ... "f1" TO ...
    Battle Bunny Battle Bunny April 2013 Sinclair Basic
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ... my_isr()
    {

    //copy backbuffer to screen
    #asm

    LD ...

    //draw some bytes to the backbuffer at 37000
    screen is overwritten with 'hello'
    slenkar slenkar October 2013 Development
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ... /> [/COLOR]

    //copy backbuffer to screen

    LD BC,999 ... ISR runs once and returns to main() with the registers ... "JP my_isr" is executed to get to your interrupt routine.
    ... a random instruction that leads to a crash. Timmy's ...
    Alcoholics Anonymous Alcoholics Anonymous October 2013 Development
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ... my_isr()
    {

    //copy backbuffer to screen
    #asm
    push af ...

    //draw some bytes to the backbuffer at 37000
    Ive seen that sneaky trick to save 257 bytes, dunno if ...
    slenkar slenkar October 2013 Development
  • SCR filesHi, I've created some scr files with imagetozxspec but I'm not sure how to get them across to the Spectrum (or emulated Spectrum) I tried creating a …

    [QUOTE]Can I point screen ram elsewhere whilst it is ... part of memory and then copy it to screen. To do it fast you ... may need to use your own snippet ...
    Ralf Ralf January 2014 Development
  • Ghostbusters - New Loader?[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002025"]Ghostbuster's[/URL] original loading screen was just a bunch of (c) credits and a mas…

    ... /> [LIST]
    [*]CALL $995F = clear screen
    [*]CALL $A741 = decompress bitmap ... attributes
    [*]CALL $ADC3 = copy buffer to screen
    [/LIST]
    The compressed ...
    IY + 04 = attribute value to paint box with

    Jimmy Jimmy April 2014 Games
  • bytes bits balonyNever mind

    ... hand corner of
    the screen to the bottom right-hand corner ... know the idea - you copy graphics to some area of memory ( ... you use some fast code to copy it to screen.

    As ... different organization than real screen, you just have to take it into ...
    Ralf Ralf April 2014 Sinclair Miscellaneous
  • Any Examples of player controlled masked sprite over flip screen tilemapped rooms?Please does anyone kindly have any z80 code examples of a flip screens tile map with a masked character sprite that you can control via keyboard, ie …

    ... wide at any place of screen
    ; DE -graphics ... /> LD (HL),A ;copy it to screen
    INC DE ;next ... INC L ;go right on screen

    LD ... HL as screen address
    INC H ;go to new ... /> RET C ;going to new screen segment, if e.g. ...
    Ralf Ralf February 2015 Development
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... GOTO 200 to copy the screen to memory or GOTO 220 to copy memory to screen.
    ... [code]100 CLEAR 58367
    110 FOR i=65344 TO ... 200 RANDOMIZE USR 65344: REM screen to mem
    210 STOP ... USR 65356: REM mem to screen
    230 STOP [/ ...
    textvoyage textvoyage September 2016 Sinclair Basic
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... whole have-some-buffers-and-copy-them-to-screen concept:

    http ...
    Sol_HSA Sol_HSA September 2016 Sinclair Basic
  • off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…

    ... proper procedure which will copy buffer to screen and take into account ... - just the same as Spectrum screen memory is organised

    screen columns - 1st column from top to bottom, 2nd ...
    c) copy buffer
    d) go to a)
    < ...
    Ralf Ralf June 2017 Development
<1234567…34>

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