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<1234567…34>
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    In BASIC, type CLEAR 49999 then import the ... created below basic
    ; so look at the system variable PROG< ... DE
    and a ; clear the carry flag before
    ld (atflg),a ; clear AT flag
    rst 08h ... />
    ld h,$00 ; clear H
    ld l,a ...
    chev chev January 2007 Development
  • Spectranet: Basic extension to get directory listingThis is a short basic extension for the spectranet to assign a directory listing to a basic variable. No more screen scrapping required! It could be…

    This is a short basic extension for the spectranet to ... a directory listing to a basic variable. No more screen scrapping required ... , this on return sets the variable handle.
    30 *readdir handle ... you could assign to a variable of your choice, please let ...
    smogit smogit April 2013 Brand new software
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... hl, (0x5c53) ; store system variable PROG in HL
    dec ... 5 bytes for channel below BASIC area
    call ... de, (0x5c4f) ; store system variable CHANS in DE
    sbc ... />
    In BASIC, type CLEAR 64868, then compile the ...
    Einar Saukas Einar Saukas July 2011 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... hl, (0x5c53) ; store system variable PROG in HL
    dec ... bytes for channel below BASIC area
    push ... hl, (0x5c4f) ; store system variable CHANS in HL
    ex ... br />
    In BASIC, type CLEAR 64871, then compile the ...
    Einar Saukas Einar Saukas August 2011 Development
  • Calculating percentage..or even calculating percentage. Maths and asm I find verryyy tricky. Can anyone suggest the easiest/best way to calculate a percentage from two 1…

    ... number.
    [code]
    10 CLEAR: LET a=0: LET pct ... answer to a BASIC variable to be printed from BASIC
    ld hl ...
    Battle Bunny Battle Bunny December 2011 Development
  • Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…

    ... solution, it will clear old column and even clear old attribute byte ... to 0. i used SEED basic variable to ...
    ub880d ub880d May 2012 Development
  • 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 ... of a directory is variable (and may be quite ... (unless
    the CLEAR command has been used to ... (right).

    In BASIC (using DOS)
    (after USR ...
    The_Bert The_Bert October 2013 Sinclair Basic
  • analysing program variable usageIf I wanted to count the number of times each variable is referenced while a program is running (not the number of times each variable is referenced …

    ... variable references at runtime
    ;initialise counting table with:
    ;CLEAR [below ... c,CheckMatch ;passed end of BASIC variable name
    bit 7,b ...
    Battle Bunny Battle Bunny July 2014 Sinclair Basic
  • LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…

    ... stored in bank 6 from basic?
    [/QUOTE]

    Ok ... you are using 128 basic:

    10 clear 49151
    20 ... 7)
    adress 23388 = BANK_M variable. used like poke 23388, 16 ... into bank 6. Note that basic might reset bank to 7 ...
    Arda Arda October 2014 Development
  • LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…

    ... you are using 128 basic:

    10 clear 49151
    20 ... 7)
    adress 23388 = BANK_M variable. used like poke 23388, 16 ... into bank 6. Note that basic might reset bank to 7 ... only do this via the basic routine, i.e. you cant ...
    daveysludge daveysludge October 2014 Development
  • LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…

    ... you are using 128 basic:

    10 clear 49151
    20 ... 7)
    adress 23388 = BANK_M variable. used like poke 23388, 16 ... snippet:

    [CODE]10 CLEAR 30000
    20 POKE 23388 ... , you may end overwriting the BASIC program and system vars. RAM ...
    Zup Zup October 2014 Development
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... br /> 3) CLEAR command
    There ... CLEAR command,
    CLEAR LINE , 2
    removes all basic ... /> CLEAR DATA
    removes the basic variable. ... may be either a simple variable ...
    harriusherbartio harriusherbartio September 2016 Hardware
  • Shrinky challengeInspired by this contest on c64: http://nurpax.github.io/posts/2019-08-18-dirty-tricks-6502-programmers-use.html Make the smallest possible .tap t…

    ... is 95 bytes, which is basic for "clear screen, draw two lines ...
    Sol_HSA Sol_HSA August 2019 Development
  • How to tell if I have a Spectrum ZX 16K or 48K?Hi all, I'm a total newbie to the good old Spectrum and I got three spectrums in one box together with som other old computers. The spectrums seem…

    ... /> If it's a pure BASIC program, CLEAR 32599. If it's ...
    Philip Kendall Philip Kendall March 2004 Sinclair Miscellaneous
  • Emuzwin / Spin AssemblerHello lads. Wondering if anyone can help. I've decided to look into playing about with some code using the Emuzwin or Spin built-in assembler. Are th…

    ... need to use the Basic command CLEAR before you assemble ... your program. This sets the RAMTOP for Basic ... system uses. So enter CLEAR 59999 in BASIC before assembling.
    ... /> Because of the way BASIC operates the USR function returns ...
    dmsmith dmsmith October 2005 Development
  • MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…

    ...

    Easy testing from basic:
    1) set multicolor graphic ... ) write and run this basic:
    10 clear 24575
    20 pause ...
    velesoft velesoft January 2009 Development
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... +3 Manual states "If BASIC's CLEAR command has been used so ... that the BASIC stack is below ... (as page 5, screen, variables, basic, stack etc stay in the ...
    rbsfou rbsfou July 2009 Development
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... has ended and returns to basic or the into maker, how ... to that routine rather than basic - but is that possible?
    BASIC or machine code.

    BASIC variable A. At least it will ...
    jonathan jonathan April 2010 Development
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... it was called from, whether BASIC or machine code.

    BASIC variable A. At least it will ...
    BiNMaN BiNMaN April 2010 Development
  • How do you work with fonts on speccy?just curious really.. I know c64 workings, and obv. the spec you draw direct to screen.. on 64 , you'd make what would be equivalent to UDG.. and sa…

    ... and pointing the CHARS system variable to it.

    In ... using machine code or from BASIC with my new routine (see ... the ZX BASIC tips and tricks area for ... that the routine uses a BASIC variable called "at" (for attribute) and ...
    Paddy Coleman Paddy Coleman September 2010 Development
  • Location of variableHi everyone When basic makes an array how to you find out the location in the ram of where the data is stored. :) Also, does it store the values in…

    ... example of searching though the BASIC variable table. It demonstrates how ... the VARS area of BASIC. As BASIC variables are created (and ... the start of the current variable. As it happens however, ... variables in ZX BASIC, the modified variable moves to the ...
    BloodBaz BloodBaz September 2010 Sinclair Basic
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... toadstool;492450]Magnificent! :-) Can SE Basic run from this menu or ... will full reconfigurable from ZX basic. You can change text in ... ]Tap file contain this basic:
    1 clear 31999:load "rominst" ... switch to BSROM and modify basic, switch to residos and save ...
    velesoft velesoft November 2010 Hardware
  • Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …

    [QUOTE=Battle Bunny;539982]That's why I decided [url=http://www.worldofspectrum.org/forums/showpost.php?p=538744&postcount=26]a while back[/url] that I was on a hiding to nothing trying to track down all the JPs breaking out of sub-routines and adopted ...
    Jimmy Jimmy June 2011 Games
  • Need help with tzxingI recently got a copy of this Polish text game: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006622[/url] I can't make a tzx of it howeve…

    ... . It's a mix of Basic and asm. here is an ... /> The identification number is in Basic variable [B]a[/B] which is ...
    Ralf Ralf October 2011 MIA/STP/SDP
  • Need help with tzxingI recently got a copy of this Polish text game: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006622[/url] I can't make a tzx of it howeve…

    ... /> The identification number is in Basic variable [B]a[/B] which is ... last 4 bytes of the basic loader differ between the two ... , that's where the "a" variable value is defined (plus the ...
    lfaria lfaria October 2011 MIA/STP/SDP
  • Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…

    ... . When you're in BASIC type
    CLEAR 65535
    If it ...
    Spirantho Spirantho October 2011 Hardware
  • M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?

    ... take the value from a BASIC variable B, multiply it by 7 ... and assign the answer to BASIC variable A, it's a little ...
    Battle Bunny Battle Bunny January 2012 Development
  • M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?

    ... the value from a BASIC variable B, multiply it ... assign the answer to BASIC variable A, using the ... name of the multiplier variable B
    * Call ... name of the product variable A
    * Call ... supported mathematical calculation with BASIC variables. Floating point ...
    Battle Bunny Battle Bunny January 2012 Development
<1234567…34>

Latest Posts

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