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  • Hisoft C and Cassette - Problems with runtimeI've been playing with Hisoft C using the cassette version for research and a bit of fun, but I am stuck on some problems that I hope someone here ca…

    ... procedure gets into a infinite loop, always loading the program, but ...
    Paulo Garcia Paulo Garcia December 2018 Development
  • predetermined number of loops in assemblerhi, i have this code that i have already written org 40000 ld c,33 ld (23612),a ld a,c rst 16 inc c jp 40001 but i only want to loop i…

    ... /> but i only want to loop it, say 10 times. how ...
    digital digital February 2019 Assembler
  • counting in assembleri have this program which cycles through the character set. how do i do this with numbers say 0 to 65535? org 40000 ld b,120 ld (23612),a L…

    ...
    ld c,33
    loop LD a,22
    RST ...
    inc c
    djnz loop
    ret
    digital digital February 2019 Assembler
  • MIDI TO ZX SPECTRUM BASIC BEEPMIDI TO ZX SPECTRUM BASIC BEEP ------------------------------------------------------ HI :) I found here http://portmedia.sourceforge.ne…

    ... way is do a for loop with the midi2beep.bat
    maeloterkim maeloterkim May 2019 Sinclair Basic
  • esxDOS v0.8.7 releasedesxDOS v0.8.7 has been officially released. Grab it at http://www.esxdos.org/files/esxdos087.zip. This version has the following (notable) new fea…

    ... /06/2019] Kernel: Fixed infinite loop when ESXDOS.SYS cannot be ...
    Alessandro Grussu Alessandro Grussu June 2019 Sinclair Miscellaneous
  • The unspoken question in 2001: A Space OddesseyFrom childhood I have watched this film probably more times than I can remember. As I got older it kind of appealed to me on a different level from…

    ... HAL entering a "H moebius loop" (this was revealed in the ...
    dmsmith dmsmith July 2019 Chit chat
  • Help With infinite music on 128KHi :) I'm trying to play infinite simple music on 128K , but i don't know what is wrong with the loop I tried this routine but doesn't work I…

    ... what is wrong with the loop

    I tried this ... and fixit to do infinite loop

    Thanks in advance ... /> ei

    jr $ ; infinite loop only waits for play music ...
    maeloterkim maeloterkim July 2019 Development
  • Setting breakpoints in source code to make debugging easierAfter two years I've resumed my Speccy coding project. I'm porting a yet "unported" game from C64/Atari to 48k Spectrum using Z80 assembler. At the m…

    ... /> - having a very long delay loop in the code in the ...
    arttu arttu August 2019 Development
  • How do emulators make code appears as running at 3.5Mhz?Decent Z80 emulators on github return t-states after executing an instruction, giving you the ability to emulate Speccy relatively well. But there ar…

    ... for the rest in the loop (so 9 ticks) in this ... case. But the simplest loop itself takes way more time ... multitasking, but if you measure loop every second, you can adjust ...
    tstih tstih October 2019 Development
  • Multi-Platform Arcade Game DesignerFirst of all, I should say Hello, having left the Spectrum scene around a year ago. I'm not planning to make a return but figured that I have some n…

    ... . You can BREAK the main loop in a debug build at ...
    jonathan jonathan October 2019 Development
  • esxDOS v0.8.8 releasedFrom: http://board.esxdos.org/viewtopic.php?id=679 [quote] lordcoxis: esxDOS v0.8.8 has been officially released. Grab it at http://www.esxdos.o…

    ... /2020] Kernel: Fixed another infinite loop when ESXDOS.SYS can't ...
    Luzie Luzie May 2020 Sinclair Miscellaneous
  • how do i set this code up, so i can print more than one line of text?well i got it working but how do i set this code up, so i can print more than one line of text? with a loop or something? not sure where to start on …

    ... line of text? with a loop or something? not sure where ...
    digital digital June 2020 Assembler
  • why am i getting b integer out of range in this code?ive tried running this in spin but thats what i get [code]main org 40000; ; We want a black screen. ld a,71 ; white ink (7) on black paper (0…

    ... on screen.
    djnz mushlp ; loop back until all mushrooms displayed ... .
    ; This is the main loop.
    mloop equ $
    ; Delete ... back to beginning of main loop.
    jp mloop
    ; Move ...
    digital digital June 2020 Assembler
  • this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …

    ... /> call 8933
    jr mushlp ; loop back until all mushrooms displayed ... ----------------------
    ; This is the main loop.
    mloop equ $
    ; Delete ... back to beginning of main loop.
    jp mloop
    ; Move ...
    digital digital July 2020 Assembler
  • Are line numbers considered the first statement in the line?I'm trying to understand how BASIC variables are stored in memory using the BASIC Programming manual and am puzzled by the results of the control var…

    ... when storing a FOR ... NEXT loop. The last byte is the ... locations for the FOR NEXT loop control variable this number is ...
    LevelUp LevelUp July 2020 BASIC
  • Speed comparison of BASIC CommandsHi everyone, I reactivated my account (thanks Lee!) due to starting to code some BASIC with my daughter. In the tips and tricks thread there is a …

    ... vs LET vs GOTO vs INKEY$ vs PEEK vs PRINT commands ...
    48K 48K July 2020 Sinclair Basic
  • IM2 on a 128k SpectrumHello: I have found another article on IM2 found in Personal Computer News, Issue 90. In the article "Face up to the Time", I typed up the code (…

    ... mode, even with an endless loop, I get odd results. On ...
    andydansby andydansby August 2020 Development
  • Test card screenStarted off just messing about in order to test a machine. But ended up with this: [code]10 FOR a=0 TO 0 STEP 0: PAUSE 1: BORDER 1: BORDER 2: BORD…

    ... : PAUSE 50
    140 IF INKEY$=“” THEN NEXT b: NEXT a ...
    1024MAK 1024MAK August 2020 Sinclair Basic
  • How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…

    ... ]
    400 LET y=y+(INKEY$="a")-(INKEY$="q")
    [/code]
    INKEY$="a")" becomes "1". So the ... ;"*"
    400 LET y=y+(INKEY$="a")-(INKEY$="q")
    500 LET ...
    Timmy Timmy September 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…

    ... function has a "while (1)" loop, which means the game will ... loop forever this part (and will ...
    Timmy Timmy September 2020 Development
  • Elon Musks's Blastar (Conversion)Back in 1984, the 12 year old Elon Musk wrote a rudimentary video game for his SpectraVideo SV-328 (another Z80 Microcomputer) [url="https://www.t…

    ... ";sh
    140 LET f$=INKEY$
    150 PRINT AT g ...
    Snial Snial November 2020 Sinclair Basic
  • Tricks to make mirror image of a graphic?I've been working on a sprite routine for lots of sprites and animations. I'm only storing right facing graphics, and converting them to left facing.…

    ...
    ld b, 8
    loop: ld a, (de)
    ld ...
    inc e
    djnz loop

    ld de, gfx0 ...
    FrankT FrankT December 2020 Assembler
  • z88dk SP1 Background animations the right wayThere are a few ways to animate background tiles. The most common is to just print the characters with PrintAtInv in the same position to achieve it,…

    ... outside the main loop and inside the main loop change it's ... only once, outside the main loop, and then just update the ...
    amateus amateus January 2021 Development
  • Harlequin 128 Rev 2D with ZX Interface 1 RS232Hi, Does anyone have any experience of using serial interface on ZX Interface 1 plugged into a Harlequin 128. While microdrive works fine, i can't…

    ... /> [code]
    10 let i$=inkey$ #4
    20 if i ...
    Georgeo Georgeo May 2021 Hardware
  • Foundation - From awesome books to a Macintosh TV special???What odd times we live in. I've been out of the loop for a little bit and didn't realize that there was a digital Mac tv station available. And it's …

    ... 've been out of the loop for a little bit and ...
    Bloppinius_Blarp Bloppinius_Blarp June 2021 Chit chat
  • Batty Bug???I am not sure if this is well known or not Batty has gone a bit Batty . The ball goes from the bat to the top RHS corner in an infinite loop . I h…

    ... RHS corner in an infinite loop . I have had it going ...
    harriusherbartio harriusherbartio October 2021 Games
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