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  • ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…

    ... Z80! :-)

    Editor
    Assembler
    Debugger/Test Environment
    Did some investigating and the Assembler option seems to be Pasmo ...
    Paddy Coleman Paddy Coleman August 2017 Development
  • Just watched Paul Jenkinsons's spectrum chanel and now want to write code againPlease assume for the purpose of this thread I know nothing... I want to look to write games on the spectrum but want to develop and test on my wi…

    ... and then either rewrite as assembler or compile the basic. Is ...
    wbm wbm August 2017 Development
  • Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …

    ... following in to Basin's assembler:


    [code]
    Paddy Coleman Paddy Coleman August 2017 Development
  • Conditional compilation with Pasmo?Hi, Am beginning to learn Z80. Have chosen Pasmo for my assembler, but am not wed to it. Problem: I have a file "A.asm" and another, "B.asm"…

    ... . Have chosen Pasmo for my assembler, but am not wed to ... different [i]cross-platform[/i] assembler?
    3) If this all ...
    ndm ndm August 2017 Development
  • Step through assembly language whilst viewing registers and flagsHello, Is there anything available which would let me step through an assembler listing and see how each register (and flag) changes at each instr…

    Hello,

    Is there anything available which would let me step through an assembler listing and see how each register (and flag) changes at each instruction?

    Thanks
    jonesypeter jonesypeter August 2017 Development
  • How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…

    Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I know there's an OUT in assembly and it's like this out (n),a but this only takes one byte as the port number ...
    ivanb303 ivanb303 January 2018 Development
  • Editorless AGD Now for Spectrum as well as Next/TimexI've updated the editorless version of AGD to 0.3, fixing the Next/Timex CLS routine and adding a Spectrum engine and compiler. For those not alread…

    ... and turn it into an assembler listing. There are no editors ...
    jonathan jonathan February 2018 Brand new software
  • 1st steps in animation Having finally resurrected my familiar old graphics programs, chief amongst which is DPaint Animation, I was a little taken aback to reali…

    ... errors such as Peg Leg Pete's five'o'clock shadow ...
    mik3d3nch mik3d3nch April 2018 Chit chat
  • Machine Code input / assemblers [naive questions alert]Excuse me for the naive questions...in advance :) When I was a kid, I was struggling to understand how to input machine code into Spectrum. There…

    ... want to find a Windows assembler so I can write my ...
    Pyjamarama Pyjamarama May 2018 Development
  • Assembler by Peker Computers Ltd.There are two entries at WOS: http://www.worldofspectrum.org/infoseekid.cgi?id=0024435 (MIA) http://www.worldofspectrum.org/infoseekid.cgi?id=100…

    There are two entries at WOS:

    http://www.worldofspectrum.org/infoseekid.cgi?id=0024435 (MIA)
    http://www.worldofspectrum.org/infoseekid.cgi?id=1000307

    I believe the product was never released as a cassette, only as a ...
    poglad poglad May 2018 MIA/STP/SDP
  • Poll: Common Z80 Cross-Assemblers in use / WUDSN IDEHi there, my name is Peter Dell/JAC! and I'm the author of WUDEN IDE, a cross-platform IDE for 6502 based systems like Atari, Apple and C64, htt…

    ... in my IDE. Since every assembler is different ( = work for me ... kind of "de facto standard" assembler for the ZX Spectrum . If ...
    JAC JAC June 2018 Development
  • Need help getting Spectranet libraries compiled with latest Z88DK.Hello, I'm in the midst of porting PLATOTerm to the ZX Spectrum, and am trying to fold in Spectranet functionality, but the last released binaries fo…

    ... to massive changes in the assembler over the last few years ...
    tschak909 tschak909 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…

    ... /]the excellent ORG web ide/assembler[/url]:
    [code]
    #define ... %00000111
    #define org .ORG ; Assembler directives, add/remove as needed ...
    ST1 ST1 November 2018 Development
  • Reading DEFB for backgroundsHi all I suppose the question is kind of silly but I'm a completely newbie with assembler :-S I'm drawing some side backgrounds with ZX Paintbrus…

    ... 'm a completely newbie with assembler :-S
    I'm drawing ...
    oblo oblo December 2018 Assembler
  • Printing text, part MMXIIXI'm pretty sure there's been a zillion threads about this already, and I don't think it's the first one by myself either, but here goes. Proportiona…

    ... it.

    The weird assembler syntax is due to sdcc ...
    Sol_HSA Sol_HSA 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…

    hi,

    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 it, say 10 times. how do i do this? ...
    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…

    i 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
    LD A,2
    CALL 5633
    ld c,33
    loop LD a,22
    RST 16
    digital digital February 2019 Assembler
  • ZEsarUX Beta 7.2-RCHi I have uploaded a new ZEsarUX Beta version: 7.2 Release Candidate! Next version will be final stable :) You can download it from: https://g…

    ... windows

    Added Z80 assembler
    Added setting to specify ...
    chernandezba chernandezba March 2019 Emulators
  • TAP creator for 128k —tapbas question, PASMO alternative?Hi I have always used pasmo to assemble and output with a loader using —tapbas However, this only works for 48k I want to be able to specify…

    ... able to specify in my assembler what bank I am using ... in,

    So in assembler have something like

    robpearmain robpearmain March 2019 Development
  • ZEsarUX stable 7.2Hi! I have uploaded a new stable ZEsarUX version 7.2! You must go to the Releases section on the GitHub project to download It, as usual: htt…

    ... windows

    Added Z80 assembler
    Added setting to specify ...
    chernandezba chernandezba April 2019 Emulators
  • TASM (the On Spectrum assembler) - textfile formatHI I wonder what fileformat TASM uses , and if there are any conversion tools , text->tasm? I have just got a betadisk interface and use with a g…

    HI

    I wonder what fileformat TASM uses , and if there are any conversion tools , text->tasm?
    I have just got a betadisk interface and use with a gotek. First time I managed to use TASM on my 128k. Tried with esxdos in the past , but ...
    micken micken June 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…

    ... do infinite music ( WITH PASMO ASSEMBLER)
    org 8000h

    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…

    ... to 48k Spectrum using Z80 assembler. At the moment I'm ...
    arttu arttu August 2019 Development
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php I found the following code: [code] CHADD equ 23645 ; Location of SOS variable CHADD ld…

    ... : https://cygnus.speccy.cz/popis_trdos-assembler.php

    I found ...
    Luzie Luzie October 2019 Development
  • ZEsarUX Beta 8.1Hi! I have uploaded a new ZEsarUX 8.1 BETA version. You can download compiled versions for Windows, Mac, and the source code from: https://gith…

    ... File Utilities menu
    Improved assembler: added defs command
    Improved ...
    chernandezba chernandezba November 2019 Emulators
  • Your Game 6 compo - welcome authors!Welcome to a new gamedev compo for ZX Spectrum - "Your Game 6". Previously this competition was held in 2014 and collected 10 works: [url="http://…

    ... library for development with ALASM assembler (ATM2).
    - [url="http://alonecoder ... /atm_example.rar[/url] - SjASMPlus cross-assembler with the simplest example of ...
    Alone Coder Alone Coder December 2019 Announcements
  • ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…

    ... -extras


    Improved assembler: added defs command
    Improved ...
    chernandezba chernandezba February 2020 Emulators
  • Inkspector 2.0 (final) releasedI’ve just released Inkspector 2.0 final (there was a preview version released before Xmas). It’s a new emulator for Windows with all-new code (non ca…

    ... has a built-in macro assembler, debugger with powerful breakpoint features ...
    inky inky May 2020 Emulators
  • im having problems with zx spin. im getting invalid combination of opcodes and operands errorim trying to assemble this program: [code]org 40000 ld a,0 call 8859 ld (iy+83),7 ld a,2 call 5633 call 3435 ld a,2 call 5633 ld de,d…

    ... is done differently in spin assembler.
    digital digital June 2020 Assembler
  • BASIC games that could be better if compiled?I was looking [url=https://worldofspectrum.org/forums/discussion/57843/best-compiled-basic-game#latest]this thread[/url] and I was wondering is speed…

    ... could work (instead of using assembler or executing them at 7 ...
    Zup Zup July 2020 Games
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