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Search Again :: Adv Search 1000 results in 0.040s
<1…18192021222324…34>
  • 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. …

    ... ld (cursor),a ;cursor at row 1
    ld ix,itemsAll ... /> ld e,10 ;x position on screen
    push de ... address of the first row in the attribute area ... br /> ld c,0 ;current row
    .loop0
    ...
    ret z ;return from the menu
    jr checkKeys ...
    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. …

    ... code does not work, because row number is not address of ... need more code, to calculate it from the row number.

    Replace ...
    Shiru Shiru June 2010 Sinclair Basic
  • Mr Do! ?Not exactly a new idea (at least twenty-seven years old now :-o), but how about a port of Mr Do! to the Spectrum? There was never an official one, ev…

    ... Most arcade games from around 1981 used 16x16 pixel sprites. Mr Do ... ! used 12x12 pixel characters within a 16x16 pixel game grid.
    pixel bytes. There's enough time ... use TV/monitor in vertical position:



    ...
    ewgf ewgf August 2010 New game ideas
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... following formula to calculate the address of a character position on screen ... and then read the address from the DF CC system variable ...
    Paddy Coleman Paddy Coleman August 2010 Sinclair Basic
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... following formula to calculate the address of a character position on screen ... and then read the address from the DF CC system variable ...
    Dr BEEP Dr BEEP August 2010 Sinclair Basic
  • SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…

    ... " would be good for column,row character positioning. Frankly, the ... " should be column,row and "LOCATION" should be pixel oriented.
    < ... 10,20;"Stuff":REM Column,Row
    20 print LOCATION ... ?
    -Option to export from SpecOS to Sinclair Basic. This ...
    Sparky Sparky August 2010 Sinclair Miscellaneous
  • Keyboard demoHere's a preview of a new keyboard for the special fx engine. Press any key to start/restart. [url]http://dl.dropbox.com/u/9498358/fire_keyboard.sn…

    ... is the music data separated from code (I guess it is ... just ripped the keyboard routine from Firefly, figured out how it ... $5060
    ld c, $18 ; pixel lines (black keys height)
    position
    ch2attr: defw $0000 ; ch2 ...
    FrankT FrankT August 2010 Development
  • Keyboard demoHere's a preview of a new keyboard for the special fx engine. Press any key to start/restart. [url]http://dl.dropbox.com/u/9498358/fire_keyboard.sn…

    ... green notes occasionally stray from the keyboard, leaping halfway ... /> ;; Keyboard routine originally from FireFly by Joffa Smith
    POSITION
    CH2ATTR: DEFW $0000 ...
    LD C, $18 ; PIXEL LINES (BLACK KEYS HEIGHT)
    kgmcneil kgmcneil September 2010 Development
  • Playstation MoveAny other PS3 owners getting/got one? Mine arrived a day early so I had a good go with it last night with Resi 5 Gold. Seems really accurate, far m…

    ... ;477871]This is entirely from what I've read, I ... moment you were talking from a position of knowing what you ... them, and from their position and separation it can calculate rotation, where ... it's pointing, and its distance from ...
    joefish joefish September 2010 Chit chat
  • ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…

    ... that says 'the Square at position 12 across 3 down' contains ... - you can change any single pixel of it you like without ... an effect on any other pixel. Once something has appeared on ... ld a,(de) ;get byte from ROM
    ld (hl),a ...
    Turkwel Turkwel September 2010 Sinclair Miscellaneous
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... achieve 4 pieces in-a-row), however if both players ... simply borrows the input commands from Connect 4, board checking algorithm ... the "falling piece" logic from Connect 4 and "shifting pieces ... we could save an extra position replacing this:

    [ ...
    Einar Saukas Einar Saukas September 2010 Development
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... design to support inserting pieces from all 4 directions. After ... achieve 5 pieces in-a-row (instead of 4).
    position).

    I ... aligns 5 pieces in-a-row for both sides simultaneously, ... 5 pieces in-a-row for the enemy, the ...
    Einar Saukas Einar Saukas October 2010 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... dump of the game (yes from an emulator) and turn it ... being 256 byte aligned or position dependent code. Calculated jump targets ... jump and call possibility to calculate all the target addresses!
    from the overall goal. Why would ...
    ASM ASM October 2010 Development
  • Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…

    ... needs to have been saved from 23552 (start of system ... zero length).

    * Calculate three numbers: ADDR-17; ADDR ...
    The subtraction of 17 from all the values is because ... deducted otherwise the wrong position is calculated from which to save the ...
    Battle Bunny Battle Bunny October 2010 Development
  • 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 …

    ... . Sprites are made from 8 x 8 pixel characters stored in VRAM ... playfields are generated from the 8 x 8 pixel characters stored in ... on 256/512/1024 etc pixel boundaries. To explain things simply ... setting the X/Y starting position of the playfield character map ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... 'Y' positions on a 192 pixel high display window:
    < ... of times each unique 'Y' position is encounted. Secondly, some ... ,[direct_temp+ecx*4] ; Translate from original to sorted
    mov ... br /> POPAD = Pops all registers from stack
    JNE = Jump ...
    ASM ASM October 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... /> BLOCK: A single 16*16 pixel bitmap.

    [ ... SPRDL 0 Sprite drawlist read from SPRDL0 (bank0)
    SPRDL ... 1 Sprite drawlist read from SPRDL1 (bank1)

    position of the raster table, ...
    ASM ASM October 2010 Development
  • Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …

    ... BYTES interleaved; 8 BYTES pixel data then 1 BYTE ... attribute then 8 BYTES pixel data and then 1 ... br /> sub c ; Calculate end of row?
    cp b
    row
    exx
    pop ... ; Draw next 8 x 16 pixel block (across)
    [/code ...
    ASM ASM November 2010 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... . Well, it's code from 25 years ago, I probably ... ; Address in display of current position
    ATTRP EQU 23693 ; ... for 8 pixel lines
    POP HL ; Get print position back
    PUSH HL ; Save print position
    LD A,H ; Convert ...
    Jonathan Harston Jonathan Harston November 2010 Development
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... malloc succeeded, immediately before returning from the u_malloc() function.


    if (s->row > 21) // if sprite went ...

    ;GRAPHIC DATA:
    ;Pixel Size: ( 16, 24)
    ;Char ...
    Digital Prawn Digital Prawn December 2010 Development
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... the sprite down one pixel, it occupies three chars ... draw that phantom '3rd row' and you do not ... have to supply that 3rd row in the graphics.
    ... I suppose I could calculate more precisely how much RAM ...
    No need to calculate, you can just call mallinfo ...
    Alcoholics Anonymous Alcoholics Anonymous December 2010 Development
  • Character movementI have always liked manic miner and so want to try an write my own version. My first attempt is just focusing on the character movement, left right a…

    ... same 2x2 character position and the 2 pixel movements are ... all "inside" that 2x2 character position.< ... 4 and 6 pixels from the left hand side of ... , to draw your sprite from the left hand side of ... ) in turn at X=1 position
    ..
    31) ...
    BloodBaz BloodBaz January 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... ULA can only read from RAM so fast[/QUOTE]
    from a CPC developer where, ... was planned to be 48K from the start, memory upgrades ... began from the start, so 16K ... you need to LDI ONE-PIXEL ROW onto the screen (out ...
    TVzombie TVzombie February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... planned to be 48K from the start, memory upgrades ... began from the start, so 16K ... need to LDI ONE-PIXEL ROW onto the screen (out ... for example, LDI a ROW OF PROPER 16x16 BACKGROUND ... br /> ;; code to adjust pixel row, 20 cycles inlined / 42 ...
    Alcoholics Anonymous Alcoholics Anonymous February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... you need to LDI ONE-PIXEL ROW onto the screen (out of ... can, for example, LDI a ROW OF PROPER 16x16 BACKGROUND TILES ... to be drawing areas a pixel row at a time, not 16 ... column or you'll suffer from far more tearing and it ...
    AndyC AndyC February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... : the attribute area is separated from the bitmap data because it ... page mode reads. Sure that row/column addresses would have been ... the next (in the same row) character (if you remember the ... limit smooth pixel movements.
    - The fastest way to move from a ...
    mcleod_ideafix mcleod_ideafix February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... the attribute area is separated from the bitmap data because it ... page mode reads. Sure that row/column addresses would have been ... waste several bytes for each row-segment crossing check in ... but that would limit smooth pixel movements.[/QUOTE]
    Looks like ...
    TVzombie TVzombie February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... : the attribute area is separated from the bitmap data because it ... page mode reads. Sure that row/column addresses would have been ... the next (in the same row) character (if you remember the ... limit smooth pixel movements.
    - The fastest way to move from a ...
    Paddy Coleman Paddy Coleman February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... time were attempting to (re)position themselves. It was at this ... know how to calculate the address of a pixel? :-P

    RST#08 RST#08 February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... a simple layout for the pixel data or a simple layout ... waste several bytes for each row-segment crossing check in the ... video. That was utterly horrendous from a software point of view ...
    spodula spodula February 2011 Sinclair Basic
<1…18192021222324…34>

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