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<1…13141516171819…34>
  • Type-in BASIC contest on Reddit.Not sure how WOS-legal it is to mention/link to other forums, but Reddit is having a contest on r/retrobattlestations, asking readers to type a speci…

    ... either a string literal, variable or expression, to substantially reduce the probability ...
    Battle Bunny Battle Bunny October 2013 Sinclair Basic
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... ; get parameters
    dec bc ; reduce BC
    ld hl, -10 ... ; get parameter
    dec a ; reduce it
    ld hl, 0 ... ; get byte
    dec a ; reduce it
    jp z, ld_contrl ... /> ld h, (ix - 5) ; get size of
    ld l, (ix ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> defw x80_fbands ; binary and string
    defw x80_fcp ; $ ... stk_zeros:
    dec b ; reduce count
    ret z ; ... parameter of string x$
    dec bc ; reduce length by ... br />
    ; THE ' STRING AND NUMBER' OPERATION
    org ...
    chev chev October 2013 Development
  • IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…

    ... .

    Since the size of a directory is variable ...
    Bytes 11...12 - Size in kilobytes (binary)
    ...
    The file size is the amount of disk ... /> B = n+1, size of buffer in entries, > ... has been used to reduce it to somewhere below< ...
    The_Bert The_Bert October 2013 Sinclair Basic
  • Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…

    ... be clipped against the full size screen, example here:

    There is also a character string printer that clips to an ... , etc)
    s = zero terminated string that can contain control codes ...
    Alcoholics Anonymous Alcoholics Anonymous October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... token
    cp '$' ; string?
    jr z, tokenizer_3 ; ...
    sub tk_def_fn ; reduce range
    call c, ...
    dec d ; reduce statement number
    ld ...
    ; THE 'EXPECT NUMERIC / STRING EXPRESSIONS' SUBROUTINE
    org 0x1c79 ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... , (iy + _flags) ; signal string variable
    rst next_char ; next ... ; call stk-fetch if string
    jp nz, print_fp ... characters?
    dec bc ; reduce count
    ret z ; ... 6, (iy + _flags) ; string variable?
    jp nz, report_c ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... + _df_sz), 2 ; set lower display size
    xor a ; LD A ...
    chan_op_1:
    dec de ; reduce base address
    ld hl ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... + _df_sz) ; lower screen display file size
    set 0, (iy + _vdu_flag ...
    bit 5, a ; next string or array variable?
    jr ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... count
    dec bc ; reduce it
    ld a, c ... number
    call ln_to_str ; create string representation
    ld e, b ... line
    dec e ; reduce number in new line
    ; THE 'LINE NUMBER TO STRING' SUBROUTINE
    org 0x3b91
    chev chev October 2013 Development
  • clang/llvm backend for Z80?Every so often I feel tempted to revisit assemblers/compilers etc. I had (for unrelated to Z80 reasons) the need to have a look at the clang compiler…

    ... I doubt it will reduce the final code size much. Things like ...
    Timmy Timmy October 2013 Development
  • SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…

    ... make the UDG set variable size I might as well allow ... the others to be variable size as well, as then the ... machine stack so that this string
    ;becomes the output from ...
    Battle Bunny Battle Bunny November 2013 Sinclair Basic
  • Nintendo 'defends' high prices of downloadable gamesSatoru Iwata (the President of Nintendo) says in an interview; Quote ?[COLOR="Blue"]Although the mainstream idea regarding the digital business in …

    ... have tried to reduce CPUs speed by reducing the size of some ...
    ewgf ewgf November 2013 Chit chat
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ...
    void *u_malloc(uint size) {
    return malloc(size);
    }

    ;Pixel Size: ( 16, 24)
    ;Char Size: ( 2, 3)
    slenkar slenkar November 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ...
    void *u_malloc(uint size) {
    return malloc(size);
    }

    ;Pixel Size: ( 16, 24)
    ;Char Size: ( 2, 3)
    slenkar slenkar November 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ...
    void *u_malloc(uint size) {
    return malloc(size);
    }

    ;Pixel Size: ( 16, 24)
    ;Char Size: ( 2, 3)
    slenkar slenkar November 2013 Development
  • Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…

    ...
    void *u_malloc(uint size) {
    return malloc(size);
    }

    ;Pixel Size: ( 16, 24)
    ;Char Size: ( 2, 3)
    slenkar slenkar November 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... you become concerned about stack size, have a look at (1 ... out what the max stack size is while running your program ... construct a score in a string that will do leading zeroes ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Development
  • Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…

    ...
    void *u_malloc(uint size) {
    return malloc(size);
    }

    slenkar slenkar November 2013 Development
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…

    ... form.
    ; size = 205 bytes (excluding number string)

    ... br /> ldir ;fill number string with "1"s
    ... 2040 ;length of binary string (1 byte per bit ... ;start address of binary string
    [/code]
    Battle Bunny Battle Bunny November 2013 Development
  • FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…

    ... track of whether a new string is starting (after newline or ... (in terms of both driver size and execution time) and it ...
    Einar Saukas Einar Saukas December 2013 Announcements
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…

    ... of passes through the output string by handling each digit's ... a decimal
    ; size = 190 bytes (excluding number string)

    org ...
    Battle Bunny Battle Bunny December 2013 Development
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…

    [center][size=+1]Dan - De - Dan - Dan - ... -N!!![/size]

    [size=+2][b]6[/b][/size]

    [size=+1 ... ][b]6.7[/b][/size]
    ; size = 189 bytes (excluding number string)

    org ...
    Battle Bunny Battle Bunny December 2013 Development
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... a character set, or a string of characters, to the screen ... , I'm now convinced this size is too small for multicolor ...
    Einar Saukas Einar Saukas December 2013 Brand new software
  • FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…

    ... in terms of code+data size? The font data itself may ... now I just used your string width calls.

    [QUOTE ...
    Timmy Timmy December 2013 Announcements
  • Why?I'm just wondering why people are here? Why are we working on or using old hardware? Why are some of you putting a lot of effort in upgrading the ha…

    ... on which side of the string they are closer to - lollicenseagreements ... 's reasons everywhere!

    [SIZE="1"]#ohwait ...
    Hikaru Hikaru December 2013 Sinclair Miscellaneous
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... string array with 'n' bytes of text are exactly the same size ... . The routine works by creating a 1-dimension string ... array of the required size, shifting the ... rl) after the string, and then overlaying the string with the required ...
    Battle Bunny Battle Bunny December 2013 Development
  • Self modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops, I ran out of memory, so I was thinking would it be possible to use sel…

    ... /> }
    [/code]
    any other size tips?

    I tried ... code was exactly the same size
    slenkar slenkar December 2013 Development
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    ... ; new values are the same size. To declare a FOR...NEXT ...
    Battle Bunny Battle Bunny December 2013 Sinclair Basic
<1…13141516171819…34>

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