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<1…19202122232425…34>
  • c compiler benchmarkingI am going to have access to a number of commercial z80 compilers for a time for benchmarking, namely Hitech C v750 MSDOS (abandoned when Hitech was …

    ... It's meant to test common tasks in integer programming (ie ...
    Pi is about 32-bit integer computation, again maybe not so ... just tells it where to move sprites to and what background ... cpm (lowest common denominator) to compare compiled program size. On ...
    Alcoholics Anonymous Alcoholics Anonymous March 2017 Sinclair Miscellaneous
  • "ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…

    ... key allows values up to 10^38 to be entered (beyond ... small decimal in the string that the number display ... when it tries to print VAL of the string.
    - no ... to read the exponent as a separate part of a string ... 2))/PI as being an integer (because it's very ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Basic
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... means just paste literal string length 1-32
    // 32+ means copy from ... ) {
    printf("error: unable to allocate memory to store input file\n ... ) {
    printf("error: unable to allocate memory to store compression\n");
    TomD TomD April 2017 Development
  • ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…

    ... ,pal file format. In order to get a 64 byte raw ... ?


    [code]; HOW TO REGENERATE THE SCREEN AND PALETTE ... ZX-Paintbrush, ensure all changes to images\screen.zxp are saved ... -G-B-Zero notation (as 32 bit integer).
    But let me ...
    clausjahn clausjahn May 2017 Software
  • ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…

    ... -G-B-Zero notation (as 32 bit integer).
    But let me ... I've figured out how to work with the last 64 ... file I don't need to use this :)
    colonel32 colonel32 May 2017 Software
  • z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…

    ... "struct sp1_Rect cr = {0, 10, 32, 14}; "
    when i do ... /> struct sp1_Rect cr = {10, 0, 32, 14};
    struct sp1_Rect cr ... first print uses the old string to erase the text that was ... score_string" is initially the empty string when the program starts (it ...
    Alcoholics Anonymous Alcoholics Anonymous June 2017 Development
  • How much can you get into 48k?Todays experiment was to see how long, how much text, a PRINT statement will hold. I filled it up with * and counted them and got 689 chrs. Almost 22…

    ... wrong with this? B integer out of range 30:1 ... , and PRINT C says 32; since the max column ... of 31, due to the jump to line 30, and ... , the C value is 32, so it remains L= ... only when C achieves value 32.

    Change ... C=31 by IF C=32... in line 50, and ...
    IvanBasic IvanBasic June 2017 BASIC
  • A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…

    ... /> ld de,ctrs ;address of string to be printed
    ld bc ... position counter
    ld a,32 ;%00100000 (initial mask shifted left ... our decoded char
    cp 32 ;is it SPACE?
    jr ...
    Ast_A_Moore Ast_A_Moore October 2017 Development
  • why cant i do this in a dimensional array?let m$(20)=m$(20)+"hello" it wont add it to the string/array m$(20)

    ... " also the bottom line seems to have 2 characters removed for ... made a DIM m$(20,32) array, so one line is ... only 32 chars length. In line 200 ... chars into m$(20) string, it is cut 32 length, there are ...
    Pgyuri Pgyuri December 2017 Development
  • Fast Binary to Text DisplayI've done this thing that takes some memory contents and converts it to a Binary version of 0's and 1's on screen. However, I've no idea what to use …

    ... on the Spectrum is key to programming any visual effects for ... are represented by a continuous string of memory addresses (a file ... need to add 256 to it. That is eight times 32—the length ... ) D.

    Adding one to a screen address will move ...
    Ast_A_Moore Ast_A_Moore December 2017 Development
  • Loading Images/Screens mid-gameHi all, Looking to get back into a bit of coding and I couldn't figure out a way to do the following: I have an image/SCREEN that I'd like to b…

    ... br /> [code]
    3 GO TO 100

    93 ... 8: POKE d4,(r-s8)*32+tC: POKE d5,64+s8 ...
    REM initialise FN s$() to hold screen data
    1991 ... GO TO 9991

    2000 ... 8: POKE d4,(r-s8)*32+tC: POKE d5,64+s8 ...
    Battle Bunny Battle Bunny April 2018 Sinclair Basic
  • Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…

    ... there are two ways to think about a waveform. ... of the base wave, to fill up the missing ... is equal to volume. Does it start to make sense?< ... Regarding which hex values correspond to which note, the basics ... br /> const float divider = 32.0f;
    const float ...
    utz utz July 2018 Assembler
  • printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…

    ... from 23760
    ;PRINT STRING routine
    ;POKEs CHR ... onto screen; CHR range 32-127; CHR$ 174=end ... ld (hl),a ;copies 11101010 to attributes
    ldir ;FLASH ... /> ret

    STRING: defm "McGRAW-HILL BOOK Co ...
    Battle Bunny Battle Bunny August 2018 Development
  • printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…

    ... from 23760
    ;PRINT STRING routine
    ;POKEs CHR ... onto screen; CHR range 32-127; CHR$ 174= ... (hl),a ;copies 11101010 to attributes
    ldir ;FLASH ...
    ret

    STRING: defm ""
    ; defm " (UK ...
    digital digital August 2018 Development
  • printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…

    ... more than you know how to /:)
    Anyway, try this ... org 40000

    ;PRINT STRING routine
    ;POKEs CHR onto ... screen; CHR range 32-127; CHR$ 174=end ... ld (hl),a ;copies 11101010 to attributes
    ldir ;FLASH 1 ...
    Sokurah Sokurah August 2018 Development
  • My new Punk music radio showHi folks, just posting that i now do a punk music radio show on the internet if anybody fancies a listen, i play punk, OI!, folk punk, goth, bit of t…

    ... 4. DemBones - Puppet On A String (4:29)
    5. ... Revolt (2:32)
    21. Skatalites - Twelve Minutes To Go ( ... Girl (2:59)
    32. Bob Marley & the ... Buster - Al Capone (4:32)
    37. The Rude ... XIV - 'They're coming to take me away (Backwards version ...
    mel the bell mel the bell April 2019 Chit chat
  • Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…

    ... $ sky color+CHR$ 23+CHR$ 32+CHR$ 0, you will save ... />
    TAB 32 doesn't work, it wraps to zero and nothing ... it's very slow to build the string (it gives the impression ... and TAB), and the string needs to be substantially changed with each ...
    patters patters April 2019 Brand new software
  • How much can you get into 48k?Todays experiment was to see how long, how much text, a PRINT statement will hold. I filled it up with * and counted them and got 689 chrs. Almost 22…

    ... ="mik3d3nch;54773"]Todays experiment was to see how long, how much ... chrs. Almost 22 lines of 32 characters but not quite I ... a previous episode to have a similar effect to hypertext?[/quote]
    string variables. You could of course ...
    dmsmith dmsmith August 2019 BASIC
  • How much can you get into 48k?Todays experiment was to see how long, how much text, a PRINT statement will hold. I filled it up with * and counted them and got 689 chrs. Almost 22…

    ... DIM a$(n,n) to define a string array (see below).
    to have a normal string variables and a string array with ... useful size is to use DIM a$(n1,32) where n1 is ... (or otherwise using string arrays), you have to include all the other ...
    1024MAK 1024MAK August 2019 BASIC
  • Breaking the Ice (another 1 line BASIC game)@Patters pushed me to do it... This is another 1-line BASIC game, with the same restrictions discussed. The mission: to save 10 penguins that a…

    ... .
    and i would try to stand ON a platform, or ... the score again? or try to have a 'smarter' READ z ... =32), and putting bright ON and bright OFF in the s$ string ... ][/b] will not be equal to L when L=4 (rocket ...
    IvanBasic IvanBasic September 2019 Brand new software
  • Help with CHR$ codes 0 to 5Hi, I'm looking a piece of code in a listing similar to: Let a$ = CHR$ 0 Let b$ = CHR$ 1 Let c$ = CHR$ 2 Let d$ = CHR$ 3 Let e$ = CHR$ 4 Let f…

    Character codes below 32 decimal are often control codes. ... , not all actually do anything. To the computer it makes no ... data.

    Yes the string variables will have values stored ...
    1024MAK 1024MAK June 2020 BASIC
  • A snapshot to transfer converterI'm programming a tool that takes an snapshot file and convert it to a tape file that mimics those created with transfers. This is a long term projec…

    Some 10 years ago :

    http://pc.sux.org/tomcat/Z802TZX.zip

    Z802TZX

    Z80 Snapshot to TZX Tape Converter v1.2

    ->by Tom-Cat
    Tom-Cat Tom-Cat June 2020 Development
  • How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…

    ... br /> yb = y / 8 ; /* integer is not floating > its ... ) */
    screenaddress = screenaddress + y * 32 + yb * 2048 + x ; /* if ... into the memory pointed to by screenaddress, read the ...
    JianYang JianYang September 2020 Development
  • CODE instruction in array$ PRINTSo I'm still plugging away at BASIC and have found a line of code (another!) that's really puzzling me. The line is as follows: PRINT A$(P+Q TO P…

    A$(P+T) would return a string containing character 8 (one of the control codes). The CODE bit would then convert that to the integer value of 8.
    AndyC AndyC October 2020 BASIC
  • What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…

    ... ="The Mighty Dopethrone;971436"]Or, to put it another way:
    Integer out of range Line 40 ... /> 20 WINDOW #2,448,200,32,16: PAPER #2,1: CLS ... /> 30 WINDOW #0,448,40,32,216: PAPER #0,0: CLS ...
    40 WINDOW 448,200,32,16: SCALE 256,0,0 ...
    The Mighty Dopethrone The Mighty Dopethrone October 2020 Chit chat
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