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  • ZEsarUX 6.1 BETAHi I have uploaded a new ZEsarUX BETA version 6.1. You can download it from the usual beta url: https://sourceforge.net/projects/zesarux/files/…

    ... of files: .tap, .zx, .zsf, .sp, .z80, .sna, .spg, .p, .o ...
    chernandezba chernandezba January 2018 Emulators
  • How to avoid flicking? IM2 help.Hi, I have started on a quest to make a demo for ZX Spectrum. However the display is flickering and I guess it is something about updating at…

    ... be optimized using the push sp trick
    xor a
    sp trick
    ld a,56 ... be optimized using the push sp trick
    ld bc,16 ...
    MartinMSPedersen MartinMSPedersen March 2018 Assembler
  • 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…

    ... :
    - Convert SNA, Z80 and SP (Pedro Gimeno) snapshot files.
    Zup Zup March 2018 Development
  • ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…

    ... of files: .tap, .zx, .zsf, .sp, .z80, .sna, .spg, .p, .o ...
    chernandezba chernandezba May 2018 Updates
  • Prportional Ascii text scrollerA couple of years ago I wrote a little scroller that nestles at the top of RAM (FFCA - 65482) and scrolls standard Ascii encoded text from anywhere y…

    ... = 1 line
    scr_lp1:
    dec l
    rl (hl) ;roll ... carry onto (hl);dec to next left
    djnz ...
    Arkannoyed Arkannoyed August 2018 Development
  • [Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…

    ... to the attributes address.
    dec de ; Move back to the ... the next loop iteration.
    dec c ; Move up to the ... to the screen address.
    dec de ; Move back to the ... so it resets itself!
    dec c ; Move up to the ...
    ST1 ST1 November 2018 Development
  • converting sna to tapsince i'm struggling to find a simple sna to tap converter that works fine on gnu/linux, i'm about starting to code one on my own (using a scripting …

    ...
    di/ei
    ld sp,nn
    retn

    $15 AF
    $17 SP
    $19 Interrupt mode: 0 ...
    nitrofurano nitrofurano April 2019 Development
  • 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…

    ...
    ld (pos),hl
    dec a
    ld (hl),a ...
    maeloterkim maeloterkim July 2019 Development
  • Currah uSpeech ROM Paging and BootyHi, When I emulated the Currah uSpeech for [url="http://www.inkland.org.uk/inkspector"]InkSpector2[/url], I made it page in its own ROM on memory …

    ... d,b
    di
    dec c
    adc a,$0b ...
    inky inky October 2019 Hardware
  • BasinC can accept Intel 8086 assembler inside REM-linesIn the year 1983m the firmware "ACS SOFTWARE" develope basic-spectrum with REM+assembler Finally, here are two sample routines you might like to try…

    ...
    40 REM add hl,sp
    50 REM ld de ...
    d2010 d2010 October 2019 Sinclair Basic
  • Keyboard (simultan pressed keys) Test Program in MCode like Vyacheslav Strunov´s Port demo v3.1Anybody here knows of another good Keyboard Tester program (for simultanous pressed keys and in Machinecode) like this: Port Demonstration 3.1 by Vy…

    ... and Ports in Hex and Dec).

    Although I must ...
    Luzie Luzie November 2019 Hardware
  • 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…

    ... go any further left.
    dec (hl) ; subtract 1 from y ... go no further then.
    dec (hl) ; subtract 1 from x ...
    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 …

    ... go any further left.
    dec (hl) ; subtract 1 from y ... go no further then.
    dec (hl) ; subtract 1 from x ...
    digital digital July 2020 Assembler
  • type in to learn about IM2I'm trying to mess around with learning about IM2 and I found a nice little article in Sinclair User September 1988, issue 78, Page 70-71 [url="https…

    ...
    ld HL, FIFTIES
    dec (HL)
    jr nz, PRINT_TIME ...
    ld A, 59
    dec HL
    inc (HL)
    ld (HL), 0
    dec HL
    inc (HL)
    ld (HL), 0
    dec HL
    ld A, 23 ...
    andydansby andydansby July 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…

    ... /00-B8047-F-9382-4-DEC-9-DBD-F69-C6-CB8 ...
    1024MAK 1024MAK August 2020 Sinclair Basic
  • Watford SP-DOS InterfaceAlthough a brand name much more familiar to those who use/used Acorn based hardware, I wonder did anyone here have one of their Spectrum interfaces ?…

    Although a brand name much more familiar to those who use/used Acorn based hardware, I wonder did anyone here have one of their Spectrum interfaces ?

    I can't give a WOS link to its page as I can't find it (sorry) however it is easily seen ...
    spider spider October 2020 Hardware
  • ZEsarUX 9.1New ZEsarUX stable version 9.1 :) You will find, as always, compiled versions for Linux, FreeBSD, Mac and Windows. The source code is available,…

    ... some file converters: from SNA, SP, Z80, P, ZSF to SCR ... , .tzx, .pzx, .trd, .dsk, .sna, .sp, .z80, .p, .zsf)
    Improved ...
    chernandezba chernandezba November 2020 Emulators
  • converting decimal into binaryso like the opposite of the bin function. in basic if possible. it only needs to be an 8 bit number. like a dec$ function?

    so like the opposite of the bin function. in basic if possible. it only needs to be an 8 bit number. like a dec$ function?
    digital digital December 2020 Development
  • Last Problem in Chapter 3 of Toni Baker's Mastering Machine Code on your ZX Spectrum.Chapter 3 of this great book is all about how to use the registers and covers the operations LD, ADD, ADC, SUB, SBC, INC, DEC, SCF and CCF. The la…

    ... , ADD, ADC, SUB, SBC, INC, DEC, SCF and CCF.

    Scottie_uk Scottie_uk February 2021 Assembler
  • Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…

    Pity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the ZX Spectrum 48K. It was for a text/graphic adventure I'm working on. The algorithm is based on [url="http ...
    Volker Volker February 2021 Software
  • Spectrumpedia second edition - it's here!Hi everybody, it is with great pleasure that I annonunce you the release of the new Spectrumpedia in its second edition, revised and enhanced in e…

    ... /> Link: https://www.alessandrogrussu.it/sp.html
    Alessandro Grussu Alessandro Grussu March 2022 Announcements
  • Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…

    ... dec hl, dec de to inc l, dec l, inc e, dec ... '
    .doneleftandlargest
    dec hl
    or a ; ... '
    .donerightandlargest
    dec hl
    or a ; ... ld c, a
    dec c
    call heapify_words ... /> djnz .reheapify
    dec c
    ld b, ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... ex af, af'
    dec a
    jr z, . ... 3
    .morebits
    dec d
    jr z, . ... toomanylines
    dec e
    and e
    dec a
    jr z, . ... (kbd_buff+7)
    dec a
    dec a
    jr z ...
    Paradigm Shifter Paradigm Shifter August 2022 Development
  • A DOS question, slightly OTI have an old laptop (a P75) which is great for Spectrum emulation (X128 ), and C64 emulation (CCS64), and I want to emulate the Atari ST, too. Now, …

    ... UK we'll make KEYB SP for Spectrum [img]/__forums/images ...
    Dr BEEP Dr BEEP September 2001 Emulators
<1…21222324252627…34>

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