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  • Converting Basic code into machine codeIm just interested to know if I can converter a game I've written in basic into Machine code, Is their a program that can do this??

    ... ]
    Previously I used HiSoft BASIC to write my games, but ...
    ld bc,6144
    ldir
    end asm
    [/CODE ...
    LCD LCD September 2013 Development
  • Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…

    ... rotate opcodes.

    if ldir lddr ldi or ldd have ... is the assembly that the basic calls in the videos.
    Basher Basher September 2013 Hardware
  • Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…

    ... another, then recalling them from BASIC and "pouring" their contents into ... bank 0 with a short LDIR routine so the original version ...
    chev chev September 2013 Development
  • Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…

    ... USR0 mode by selecting 128 BASIC from the menu and then ... use. If you're using BASIC or the standard display code ... don't want to overwrite BASIC
    LDIR[/code]

    If ...
    chev chev September 2013 Development
  • Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…

    ... ;quantity to copy
    LDIR
    LD A,016 ... LD BC,6144
    LDIR
    LD A,017 ... LD BC,6144
    LDIR
    LD A,016 ... LDIR
    EI
    RET[/CODE]
    and this is the BASIC ...
    Alessandro Grussu Alessandro Grussu September 2013 Development
  • JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …

    ... the requirements for an LDIR so that we can ... which extends into the basic and variables area a< ... the loader itself.

    ldir ; Do it!

    ... ) doesn't extend into BASIC, only into the printer ... This would break 128K BASIC but not do anything ...
    BloodBaz BloodBaz September 2013 Sinclair Miscellaneous
  • Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…

    ... onto the end of the BASIC block instead of as a ... right place is just an LDIR and a JP away.
    GoingDigital GoingDigital September 2013 Development
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... br /> [*]ANSI BASIC-78 / ECMA-55 Minimal BASIC standard compliant.
    [*]AY silenced on BASIC report.
    [*]AY supported ... .
    [*]More room for BASIC programs.
    [*]Newton-Raphson ... and divMMC.
    [*]Z80 LDIR block copy: PUT 49152, 16384 ...
    chev chev October 2013 Sinclair Basic
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... want to use SE Basic (because people don't ... but over time SE Basic got better and added ... Last December I released SE Basic IV, the first 32K ... advanced version of SE Basic yet. Here are some ... /> [*]PUT?memory block copy (LDIR)
    [*]RENUM?renumber the ...
    chev chev October 2013 Sinclair Basic
  • 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…

    ... the FILES function in Liberty Basic.
    That said, however, and ... ]Calling +3DOS from BASIC

    When BASIC's USR function is ...
    (right).

    In BASIC (using DOS)
    (after USR ...
    The_Bert The_Bert 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…

    ... call out_line ; print whole BASIC line
    rst print_a ... call out_line ; print a BASIC line
    rst print_a ... THE 'PRINTING CHARACTERS IN A BASIC LINE' SUBROUTINE
    ... stack first location
    ldir ; reclaim bytes
    ...
    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…

    ... of
    and %11000000 ; of BASIC?
    jr z, renum_line_7 ; jump ... in new line number
    ldir ; copy new line number into ... bc, 5 ; five bytes
    ldir ; copy them
    ex de ...
    chev chev October 2013 Development
  • 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…

    ...
    ld bc,8
    ldir
    ex af,af'
    BASIC
    ld a,h
    cp $40 ;called from BASIC?
    ret nc ;no, A ...
    Battle Bunny Battle Bunny November 2013 Sinclair Basic
  • [NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…

    ... run now.
    * Added accurate LDIR/LDDR emulation, more protected boot ... emulation.
    * Now automatically starting BASIC tape loader when using a ...
    fms fms December 2013 Emulators
  • 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 …

    ... existing BREAK only works in BASIC. If we only could extend ...
    LD HL,depart2
    LDIR
    LD A,233 ;= JP ...
    roko roko December 2013 Hardware
  • Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…

    Given that every reference to a variable (or function) involves a sequential search from the beginning of VARS (or PROG) the most frequently accessed items should be located as close to the start of the relevant area as possible. Once the program is ...
    Battle Bunny Battle Bunny 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…

    ... /raster image using ZX Spectrum BASIC?[/QUOTE]

    Yes. Battle ... equivalent of a Z80 LDIR using only ZX BASIC (which means you ...
    chev chev 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…

    ... so very fast. Boriels ZX Basic Compiler is better for game ... , what have you against using LDIR?
    TK90XFan TK90XFan December 2013 Sinclair Basic
  • Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…

    ... it smaller than assembly or basic, and the operators it supplies ... a complex instruction (for example, LDIR can be recognized from a ... see a lot of cpir, ldir, lddr everywhere. The C compiler ... /> or a
    ret z ; basic might complain if some exx ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Development
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... 3 leaves 143 bytes for BASIC according to "PRINT 65536-USR ... absolute maximum free RAM for BASIC at the time.
    ... call putram in my short basic loader with randomize usr 48000 ... hl
    inc bc
    ldir
    jr COPYDO
    ...
    Speccy_James Speccy_James January 2014 Development
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... So why bother preserving the basic system variables? Your not returning ... to basic after selecting the game are ... dec40 ; length of packer
    ldir ; do it
    ld sp ... br /> ld b,0
    ldir
    pop hl
    jr ...
    FrankT FrankT January 2014 Development
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ...
    ld b,0
    ldir
    pop hl
    jr ... ).

    I wrote the basic program to call it like ...
    Speccy_James Speccy_James January 2014 Development
  • Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…

    ... data, finish and return to BASIC
    cp 0 ; if ... /> ld (hl),l
    ldir
    inc hl
    ... br /> ld (hl),a
    ldir


    RET ...
    alienbanana alienbanana March 2014 Development
  • Loading data from 128 memoryAfter all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory. How do I go about implementing this in…

    ... . Then create "long" versions of ldir, etc, that treat the entire ... able to use SAVE! from basic to load stuff into memory ... into the main bank, then ldir it to its final destination ...
    Alcoholics Anonymous Alcoholics Anonymous March 2014 Development
  • Read Data from memoryHi there. Not been on this scene for a long time. Does anyone know how to do a routine to read data from memory(peek..etc) rather than using lines of…

    ... can I translate that to basic code. Do you have a ... i am struggling with in basic...Cheers again...;-)...[/QUOTE]
    I ... /> LDIR
    EI
    RET
    [/CODE]
    in Sinclair BASIC use ...
    LCD LCD May 2014 Sinclair Basic
  • Read Data from memoryHi there. Not been on this scene for a long time. Does anyone know how to do a routine to read data from memory(peek..etc) rather than using lines of…

    ... /> LDIR
    EI
    RET
    [/CODE]
    in Sinclair BASIC use ...
    davepierce07 davepierce07 May 2014 Sinclair Basic
  • History of +D ROMsIs anyone familiar with the history of ROMs for the MGT +D? Which versions do exist, what are the known changes and can late versions for the beige D…

    ...
    LD BC,8192
    LDIR
    OUT (231),A
    BASIC. It uses port 231 about ...
    geosiou geosiou July 2014 Hardware
  • Manic Miner loading screen adjustmentHad half an hour spare earlier and wanted to try a few things. Always like to learn anyways even now. [URL="http://www.yellowspider.co.uk/speccy/Man…

    ... tweaks, instead of returning to basic we now expect a (headerless ... work and normally returns to basic after drawing it but because ... far left

    LDIR ; and use LDIR to copy it. This ...
    spider spider August 2014 Games
  • Jetset Willy ATTR Buffer 2Does anyone understand how Jetset Willy uses the system vars area as screen ATTR buffer 2? H5C00 D23552. Thanks

    ... /> LD BC,&0200
    LDIR ; Copy from attrs buffer 1 ... will crash if run from BASIC - you've overwritten the system ...
    jp jp September 2014 Sinclair Miscellaneous
  • Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…

    ... how I do it in BASIC and then did something similar ... would be too slow in BASIC. Here it is, anyway. Note ... bc,datz-dat2-1
    ldir ;rotate the text
    ld ...
    Battle Bunny Battle Bunny September 2014 Development
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