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<1…23242526272829…34>
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    ... , blank the text left one pixel, blank the text right one ... pixel and then draw the text ... /> The foreground/background thing will add some code size and once ...
    Alcoholics Anonymous Alcoholics Anonymous March 2014 Brand new software
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    ... what I will do as add an fzx_mode() function. You pass ... can vary from one set pixel to all 8 set pixels ...
    Alcoholics Anonymous Alcoholics Anonymous March 2014 Brand new software
  • 48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …

    ... *192 display) have the 8 pixel shift to the left like ... an answer. I'd also add: Does the 6C001E-5 include ...
    zub zub March 2014 Hardware
  • New game: Flappy Bird ZXAt last I finished it :) [B]Flappy Bird ZX[/B] [IMG]http://i62.tinypic.com/2f0517q.png[/IMG] The download: [url]http://www.sendspace.com/file/odftv…

    ... ,L ;one char down
    ADD A,32
    LD L ...
    DJNZ DrawBottomPillar03 ;draw all rows[/CODE]

    And it ...
    Ralf Ralf April 2014 Brand new software
  • New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…

    ... the colour changes every two pixel rows. Making it stable on a ...
    joefish joefish April 2014 Brand new software
  • Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…

    ... plot in full colour, every pixel having its own ink colour ... and work out where to add more clashbasher instructions.

    add it to the game with ...
    Basher Basher April 2014 Hardware
  • Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …

    ... , then

    CALL #22AA ;Pixel-add

    comes back with ... /> HL=RAM-address of this pixel and
    A=position of ... this pixel in that byte (HL).
    HZJ HZJ April 2014 Development
  • Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …

    ... , then

    CALL #22AA ;Pixel-add

    comes back with ... /> HL=RAM-address of this pixel and
    A=position of ... this pixel in that byte (HL).
    jagman5994 jagman5994 April 2014 Development
  • Latin-1 font for FZXI'm currently creating some [URL="http://en.wikipedia.org/wiki/Latin-1"]Latin-1[/URL] (ISO 8859-1) characters to be added into [URL="http://www.world…

    ... fonts, especially in 8?8 pixel sizes. That said, I think ... wasn't much work to add diacritics manually as I did ...
    zub zub April 2014 Development
  • Looking for a new font for my game[FONT=Calibri][SIZE=3]I?m using a font in my new game that I am reusing from a previous game. It could do with being changed but drawing a new font i…

    ... pixels high, leaving a one-pixel line at the bottom for ... can afford to leave blank rows between your lines of text ... , you can have full 8-pixel high characters.
    joefish joefish April 2014 Development
  • Looking for a new font for my game[FONT=Calibri][SIZE=3]I?m using a font in my new game that I am reusing from a previous game. It could do with being changed but drawing a new font i…

    ... can afford to leave blank rows between your lines of text ... , you can have full 8-pixel high characters.[/QUOTE]

    Battle Bunny Battle Bunny April 2014 Development
  • ZX Alien Breed - WIPI'm sure a lot of you have seen the discussion in the New Game Ideas area about a Speccy version of the classic Amiga game Alien Breed. I've been dro…

    ... fashion. Of course, when I add the up/down code they ... deliberately drawn with a 2 pixel border at the opposite end ...
    LuMan LuMan April 2014 Announcements
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... this interface. You can just add joysticks that operate keys on ... Sinclair interfaces to operate different rows of the keyboard keys instead ... thread on +2A joysticks) and add them that way.

    joefish joefish April 2014 Hardware
  • misunderstanding screen addressingHi I am just reading mastering machine code Toni Baker: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/books/MasteringMachineCodeOnYourZXSpectrum…

    ... of the first 8 text rows obviously...)

    so row ... at 0x40A0
    then obviously add 4 bytes to move from ...
    guesser guesser April 2014 Sinclair Miscellaneous
  • Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…

    ... just add 32 to drop down a line and get vertical-pixel ...
    LuMan LuMan April 2014 Development
  • Beeper and Sprites at the Same Time?[URL="https://drive.google.com/file/d/0B6XhJJ33xpOWX1pQLS14RnppNFE/edit?usp=sharing"]Why not?[/URL] "q" for quit "m" to change sprite mode any other…

    ... bitmapped areas scrolling in 8 pixel steps too to give the ... to add grassy tops to the blocks (relying on the spiky pixel ...
    joefish joefish April 2014 Development
  • ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…

    ... the scenic blocks as you add them at the edges of ... have one buffer that you pixel-scroll in memory.

    pixel steps, then you can re ...
    joefish joefish May 2014 Development
  • ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…

    ... the scenic blocks as you add them at the edges of ... have one buffer that you pixel-scroll in memory.

    pixel steps, then you can re ...
    climacus climacus May 2014 Development
  • Spectrum screen layoutSeeing the thread on displacement I was wondering why the spectrum had the stupid screen split into three sections and the addresses for each section…

    One of the reasons is so you can get to the next pixel line within a character square by adding 256 - essentially increasing the hi byte by 1 - that's very fast

    Otherwise you would have to add 32 each time - slow
    torot torot May 2014 Sinclair Miscellaneous
  • Spectrum screen layoutSeeing the thread on displacement I was wondering why the spectrum had the stupid screen split into three sections and the addresses for each section…

    ... can get to the next pixel line within a character square ... /> Otherwise you would have to add 32 each time - slow[/QUOTE ...
    LD A,L
    ADD A,32
    LD L ... /> I'd really prefer [B]ADD HL,DE[/B] in any ...
    Ralf Ralf May 2014 Sinclair Miscellaneous
  • Spectrum screen layoutSeeing the thread on displacement I was wondering why the spectrum had the stupid screen split into three sections and the addresses for each section…

    ... worried about.

    Even "ADD HL,DE" is not as ... the buffer spreads out the rows of the drams refreshed during ...
    Alcoholics Anonymous Alcoholics Anonymous May 2014 Sinclair Miscellaneous
  • 30-column 8x2 multicolor (even in 48K)I don't recall any 8x2 multicolor routine for 30 columns that would work on all Spectrum models (including the Spectrum 48K), so I decided to write i…

    ... , in the first pair of pixel lines within every row. But ... :

    [CODE]
    REPT (ROWS 0 TO 23)
    LD ...
    Einar Saukas Einar Saukas May 2014 Development
  • ZX-Modules app reportZX-Modules app report If You are interested, I want to report about the state and progress about my ZX-Modules programs. I would like to report at l…

    ... is temporary active for two rows only. In Basic token mode ... inserted colored or transparent 8x8 pixel blocks you can edit them ...
    clausjahn clausjahn May 2014 Emulators
  • 48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…

    ... plain logic chips, 74LS for rows and columns? These are, as ... 'm not really able to add a keyboard, unfortunately, so I ...
    georgedb georgedb May 2014 Hardware
  • Optimal shifting for set pixel?Hi, I'm optimizing my set pixel code. For speed. But without using partitioned memory (i.e. a table on 256 byte boundary) I have optimal memory addr…

    Something like this?

    [CODE]Pixel Set
    ---------

    LD A,#x (#00-FF)
    AND #07
    INC A
    RLA
    RLA
    RLA
    ADD A,#C6
    LD (NN+1),A
    NN SET N,(HL)[/CODE]
    jamorski jamorski May 2014 Development
  • Optimal shifting for set pixel?Hi, I'm optimizing my set pixel code. For speed. But without using partitioned memory (i.e. a table on 256 byte boundary) I have optimal memory addr…

    ... like this?

    [CODE]Pixel Set
    ---------

    LD ...
    RLA
    RLA
    ADD A,#C6+8
    LD ...
    Dr BEEP Dr BEEP May 2014 Development
  • AMX mouse emulationI'm trying to add AMX mouse emulation to Spud but not getting very far. I can get a reaction to button presses but nothing to moving the mouse. …

    ... " smaller (eg fractions of a pixel), you can increase the precision ... "one unit" larger than a pixel, you can increase the speed ... " to a fraction of a pixel.

    Because sw will ... get a delta and then add those deltas to an internally ...
    Alcoholics Anonymous Alcoholics Anonymous May 2014 Emulators
  • Optimal shifting for set pixel?Hi, I'm optimizing my set pixel code. For speed. But without using partitioned memory (i.e. a table on 256 byte boundary) I have optimal memory addr…

    ... constant, because it's a pixel set routine and the rest ... NZ,FNXT:LD A,E:ADD A,32
    LD E ...
    g0blinish g0blinish May 2014 Development
  • UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…

    ... list of UDGs vertically one pixel at a time, so you ... of your chosen UDG. Then add 256 to the screen address ...
    joefish joefish June 2014 Sinclair Basic
  • Tile engine and slight colour flickerOver the past few nights I've been working on a simple tile game engine for a rock fold game I'm making. While all is going surprising well I've not…

    ... pixels and then that rows colour would improve things ... />
    ; Displays 8 pixel lines to the screen
    ld (temp1),hl ; Stores pixel line
    ld hl, ( ... hl, (temp1) ; Gets the pixel line back

    ...
    richdotward richdotward June 2014 Development
<1…23242526272829…34>

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