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<1234567…34>
  • joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…

    ... will join the line to the previous line (if there is ... cursor up : start of line : join previous
    LD DE,(23641) ... ;DE=start of line ... ;addresses: DE=LH-line; HL=RH-line
    sbc hl, ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • 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…

    ... be discarded
    ;a BASIC line may be split across multiple ... lines
    [strike];a BASIC line starts with an integer 1 ... BASIC line with no line number will be appended to the previous line
    (or ignored if it's the first line)
    Battle Bunny Battle Bunny April 2013 Sinclair Basic
  • Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …

    ... ) is much cleaner than the previous line accurate renderer. (OTOH, this may ...
    Philip Kendall Philip Kendall April 2005 Emulators
  • [BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…

    ... , press up arrow to select previous line
    3. Try to delete ...
    rahtgaz rahtgaz January 2009 Emulators
  • [BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…

    ... , press up arrow to select previous line
    3. Try to delete ...
    Dunny Dunny January 2009 Emulators
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... code in front of the previous line. You could also use PASMO ...
    Turkwel Turkwel October 2010 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…

    ... call format is only one line of the form:
    [ ... /> The self-modifying code is line 34, which uses NXTLIN to ... dummy DEFADD area, allocated in line 30, with the requested parameters ... :
    REM This line will be altered by the previous line.

    Battle Bunny Battle Bunny April 2011 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]…

    ... is unable to understand this line:

    [CODE] 190 LET ... [/CODE]

    [*] If the previous line is changed as follows, ZX ...
    Einar Saukas Einar Saukas March 2012 Brand new software
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…

    ... 144 pixels are on the line but that's it of ... do the update after the previous line is drawn so there is ... gained if you skip a line on the 48. On the ...
    chev chev July 2012 Brand new software
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…

    ... 144 pixels are on the line but that's it of ... do the update after the previous line is drawn so there is ... gained if you skip a line on the 48. On the ...
    Gedlion Gedlion July 2012 Brand new software
  • Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …

    ... values of the penultimate line and the looping contents ... it
    pop hl ;get previous line back
    call nextlineup ; ... nextlineup ;points hl at next line up in display file. Modified ... nextlinedn ;converts de to next line down in DF, modified from ...
    R-Tape R-Tape October 2012 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... )
    2. Xoring each line with the previous line.


    Edit ...
    antoniovillena antoniovillena February 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... )
    2. Xoring each line with the previous line.[/QUOTE]

    I ...
    Einar Saukas Einar Saukas February 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... )
    2. Xoring each line with the previous line.[/QUOTE]

    I ... pixel line is XORed with previous line, attributes are also XORed with previous attribute ... pixel line is XORed with previous line, attributes are also XORed with previous attribute ...
    Einar Saukas Einar Saukas February 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... that a simple XOR with previous line produced almost identical results to ...
    Einar Saukas Einar Saukas February 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... that a simple XOR with previous line produced almost identical results to ... shows a simple XOR with previous line:

    [IMG]http://i50 ... 's, a simple XOR with previous line has the advantage that the ...
    Einar Saukas Einar Saukas February 2013 Development
  • LOAD "" By Deep GrassHello, just joined here. Been a Spectrum owner since '83, favourite game is Tir Na Nog. As part of a musical project called "Deep Grass" I recently…

    ... (IXh +1) higher than the previous line. Each loading section would only ... times over where each line is 256 above previous list.

    BloodBaz BloodBaz March 2013 Announcements
  • Works in Fuse & SpecEmu, not ZXSpinI decided that I wanted to change the scroll routine which I was using for compiling the Trailblazer maps, as I'd just copied it out of Andrew Hewson…

    ... /> ;scroll down corresponding pixrows from previous 23 lines
    ld a ... ;move to corresponding pixrow on previous line
    ld bc,32
    dec h ;HL=start of previous pixrow
    ex af,af ...
    Battle Bunny Battle Bunny June 2013 Emulators
  • Basic sourceAre there any utilities available that will extract Basic source to a text file, or insert it from a text file into any of the common formats lie z80…

    ... BASIC lines can contain multiple line breaks; input lines which don ... are just appended to the previous line.

    Download the ZIP ... prompts. Don't use BASIC line 1 as that's where ...
    Battle Bunny Battle Bunny September 2013 Emulators
  • Vertical XOR filler.. anyone?Hi, I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time? Just tryin…

    ... you just XOR every line with the previous line you fill the area ...
    mr.spiv mr.spiv February 2015 Development
  • Vertical XOR filler.. anyone?Hi, I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time? Just tryin…

    ... you just XOR every line with the previous line you fill the area ...
    Arjun Arjun February 2015 Development
  • The magic's goneI dunno, i'm glad the new site is now up and running and most of the regulars are here but there's something missing and i can't quite put my finger …

    ... middle or end of a previous line. That is for sure not ...
    RetroTechie RetroTechie June 2015 Chit chat
  • TV Pal, odd and even framesI have been researching, but haven't found any real interesting information on this subject, so far. What I mean is, since TV PAL signal is interl…

    ... :
    - Previous line right white border
    - Line #3 Horizontal Sync ... level, when compared to previous trace.
    Note also ... can now see:
    - Previous line right Blue border signal, and ... br /> - Line #58 First pixel area line, with white pixels ...
    RMartins RMartins August 2015 Development
  • 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…

    ... /> - linear (next horizontal line data is always after previous line data)
    - just ...
    Ralf Ralf June 2017 Development
  • FOR vs LET (speed)Hi dear friends. A question for you 10 FOR I = 0 TO 10 11 PRINT I 12 NEXT I 10 LET I = 0 20 PRINT I 30 LET I = I+1 40 IF I < 11 THEN GOTO …

    ... want to jump to a previous line it has to find ... it gets to the right line.

    EDIT: It ... store the length of the previous line as well so it can ... length of the currently edited line changes. Would add 2 ... bytes per line and a bit of extra ...
    Paradigm Shifter Paradigm Shifter October 2021 BASIC
  • FOR vs LET (speed)Hi dear friends. A question for you 10 FOR I = 0 TO 10 11 PRINT I 12 NEXT I 10 LET I = 0 20 PRINT I 30 LET I = I+1 40 IF I < 11 THEN GOTO …

    ... forwards if you GOTO a line after the current one and ... in an offset to the previous line so they could search backwards ...
    Paradigm Shifter Paradigm Shifter November 2021 BASIC
  • Help Again - name of the game!Thanks for the previous responses I recived however it is not Penetrator or Cavern Fighter as suggessted. Therefore I am re listing my request. (I h…

    Thanks for the previous responses I recived however it ... landscape was a thin magenta line - perhaps going onto white as ...
    rebecca rebecca November 2001 Games
  • LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding. I think that there might be more of these routines out there (where-ever-u-r). Isn…

    The line-topic came in the end ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... Machine code.

    The line routine that I have implemented ... out there have a fast line routine, plese email me.
    rtunes rtunes October 2001 Sinclair Miscellaneous
  • Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …

    ... 86 ADD A,(HL) ;add previous digit
    EA66 3C INC ... having trouble
    understanding the line at EA63. Is this loading ...
    Duxbuz Duxbuz August 2001 Sinclair Miscellaneous
<1234567…34>

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