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  • 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…

    ... print whatever is beyond 127. 8-)


    edit: spammmm ... other programs, spelling [127] for CHR$ 127. You now can reach ...
    clausjahn clausjahn October 2013 Brand new software
  • 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…

    ... character set for the 8 plain block graphics. Plus ... ld b,(ix-12) ;B =CHR$ adjustment
    add a,b ... ex af,af' ;A =???, A'=$8?
    ld (23680),de
    ex af,af' ;A =$8?, A'=???
    sub $80
    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…

    ... :
    cp 238 ; STR$ or CHR$
    jr c, s_push_po ; jump ... and 7
    add a, 8 ; increase code by eight
    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…

    ... subroutine

    ; THE 'CHR$' FUNCTION
    org 0x3614
    org 0x3681
    defs 8, 255 ; unused locations
    ... fstk ; e', x', x', 0.8
    defb 0xf0 ; exponent
    8
    fcp .gz ; e', x ...
    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…

    ... , i refer you to Chapter 8, part 27 of the manual ... from the manual:
    (Chapter 8, part 26 [url]http://www ...
    The_Bert The_Bert October 2013 Sinclair Basic
  • Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …

    Getting aquainted with the Interface1bis. (6)

    One item left on my checklist after today, as said my interests are just partial and specific. Of course I will the use the gamelauncher, the joystick, the speedloader (video demo) one day. But I ...
    roko roko October 2013 Hardware
  • 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…

    ... more easy to draw a chr$ at the desired wide/height ... /> Using vector fonts on an 8-bit machine with limited processing ...
    chev chev October 2013 Brand new software
  • 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…

    ... bitmaps for the lower 8 block graphics ($80-$87 ... ;MEMBOT
    ld bc,8
    ldir
    ex ... ; 3: lo-byte = CHR$ adjustment = (1st CHR$)-$80+(characters to check ... =row
    ld bc,8
    add hl,bc
    Battle Bunny Battle Bunny November 2013 Sinclair Basic
  • 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…

    ... />
    [B]NIRVANA_print(unsigned char chr, unsigned char *attrs, unsigned char ... uses a larger set of 8 attributes?[/QUOTE]

    No ...
    Einar Saukas Einar Saukas December 2013 Brand new software
  • BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…

    First development in 8 months on this project - changed ...
    bigjon bigjon December 2013 Sinclair Basic
  • BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…

    ... $(5)=1)*((j=7)+(j=8))[/I] or similar before each ...
    bigjon bigjon December 2013 Sinclair Basic
  • Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…

    ... 've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part ... turn on transparent attributes (INK 8: PAPER 8 : BRIGHT 8 : FLASH 8 ).
    TK90XFan TK90XFan December 2013 Sinclair Basic
  • Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…

    ... TO 96: LET a$(n)=CHR$ (31+n): NEXT n
    120 LET p=p+96*8: NEXT n
    900 POKE ...
    TK90XFan TK90XFan December 2013 Sinclair Basic
  • Clearing 22 lines of the screenHow do I go about clearing the top 22 lines of the screen and leave the bottom #0 area untouched? I have a routine to reset the attributes, but cant…

    Isn't printing 2 "commas" (CHR$(6) from memory) a weeny ... ) Then clear the final 6/8 lines using:
    [code]
    LD A, 8 ; 8 pixels per line
    .loop ...
    BloodBaz BloodBaz January 2014 Development
  • hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…

    ... ", "ACS", "AND", "ASN", "ATN", "ATTR", "CHR$", "CODE", "COS", "EXP", "FN", "INKEY ... ,30,13,28,6,55,8,31,
    52,19,14 ...
    Kweepa Kweepa January 2014 Development
  • hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…

    ... 3)+k$(g,6 TO 8)
    3002 FOR j=1 ... ),:
    LET h$(h(g))=CHR$ (g+32)
    3006 IF ...
    Battle Bunny Battle Bunny January 2014 Development
  • hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…

    ... ", "ACS", "AND", "ASN", "ATN", "ATTR", "CHR$", "CODE", "COS", "EXP", "FN", "INKEY ... ,30,13,28,6,55,8,31,
    52,19,14 ...
    Kweepa Kweepa January 2014 Development
  • hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…

    ... ' variable is 12 bits not 8, but changing that didn't ... =PEEK 23639+256*PEEK 23640+8:
    POKE 23563,da-INT ... /> 90 LET h$(rsl+1)=CHR$(k+32)
    95 NEXT ... $(key,TO 4)+k$(key,8 TO)
    210 FOR i ...
    Battle Bunny Battle Bunny January 2014 Development
  • hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…

    ... used bytes 1-4 and 8-9 of the keys.
    8)
    90 let a=a ... /> 130 let h$(rsl+1)=chr$(k+32)
    140 next ...
    Kweepa Kweepa January 2014 Development
  • How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…

    ... ]
    10 DIM c$(8): DIM p(8,8)
    15 FOR c ... /> 20 PRINT AT 21,0;CHR$ c
    30 FOR y ... ,y): LET c$(x+1)=CHR$ 143 AND p: LET p ... AT 21,0;" ";AT 8,0,,,,,,AT 8,0;
    60 FOR ... 7
    70 IF p(8-y,x+1) THEN PLOT ...
    83 IF NOT p(8-y,x+1) THEN GO ...
    Battle Bunny Battle Bunny February 2014 Development
  • that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…

    ... =INT (d/32): LET l$=CHR$ (d-e*32+96): PRINT ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…

    ... ): LET da=FN p(23639)+8
    13 RANDOMIZE FN a ... rows of 32 characters, but 8-byte bit patterns are needed ... display file. Where are the CHR$ being converted to bit patterns ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…

    ... : LET fnq=FN p(23639)+8: LET qlo=FN l(fnq ... THEN LET loc=VAL VAL$ (CHR$ PEEK (a-3)+"$"):POKE a ...
    Hark0 Hark0 March 2014 Sinclair Basic
  • 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…

    ... know why you'd print chr$ to get the UDGs when ... another byte, and so on, 8 bytes in total.
    joefish joefish June 2014 Sinclair Basic
  • 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…

    ... graphical representation. And 32 characters * 8 bytes = 256 bytes.

    CHR$(0) [I]would[/I] be ... , so when it needs CHR$(32) (a space) it comes ...
    joefish joefish June 2014 Sinclair Basic
  • Currah ?Speech channelIt seems to me that it would be nice to be able to send words to the ?Speech with PRINT #5;"Speak English to me, Jimmy" or some such. There really i…

    ... for the algorithm. It got 8% for a textbook, 11% for ... 't cover the 'K' for 'CHR' as in Chrome, but that ...
    chev chev June 2014 Development
<1…14151617181920…34>

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