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<1234567…34>
  • 128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…

    ... to be used to page RAM, which from BASIC would be an "OUT ...
    Battle Bunny Battle Bunny August 2011 Sinclair Basic
  • Switch 128kb banks from Basichello! Please help to [U]correct[/U] switch 128kb pages from Basic. So, I remember, need to do: out 32765,17 e.t.c but before, i must to change some…

    ... ]correct[/U] switch 128kb pages from Basic.
    So, I remember, need ... /> but before, i must to change some system var, by POKE ...
    gun gun July 2014 Sinclair Basic
  • Detecting TR-DOS from BASICIs there a simple (or contrived :D ) way to detect the presence of a TR-DOS/Betadisk interface from BASIC? For fairly obvious reasons this can't rel…

    ... a TR-DOS/Betadisk interface from BASIC?

    For fairly obvious ...
    pissedbob pissedbob January 2006 Development
  • how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…

    can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this:
    PRINT USR xxxxx, arg1, arg2: ...
    or so...
    Fikee Fikee April 2006 Development
  • ML routines from BASICCan anyone tell me which registers should be saved and restored when calling a ML routine from BASIC? How can one know which registers are modified …

    Can anyone tell me which registers should be saved and restored when calling a ML routine from BASIC?

    How can one know which registers are modified inside a system routine?

    Should the stack be also changed?
    rinconete rinconete March 2009 Development
  • Printing in 64 columns, from Basic?Not strictly a Sinclair Basic question but... Is there any known machine code utility that allows something similar to PRINT AT that can be called fr…

    Not strictly a Sinclair Basic question but... Is there any ... AT that can be called from Basic but uses 64 or maybe ... />
    I'm creating small Basic programs that allow me to ... that's easy to call from Basic? Thanks!
    zxbruno zxbruno October 2009 Sinclair Miscellaneous
  • Sinclair Research Limited - An Alternate Reality.So, we all know that Sinclair Research went down the tubes because of a lack of focus on the core product, computers. We know that Clive wasted it on…

    ... 128 was a big upgrade from the C64, but the Spectrum ... switch, and a rubbish new BASIC entry interface.[/quote]

    BASIC entry interface being rubbish - it ... memory paging and the extra RAM from BASIC. I never really managed to ...
    PrimitivePerson PrimitivePerson May 2016 Sinclair Miscellaneous
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    To change attributes from BASIC, use OVER 1 and print a space:

    [code]
    10 CLS
    20 PRINT "A"
    30 PAUSE 100
    40 PRINT OVER 1;INK 7; PAPER 1; AT 0,0; " "
    [/code]
    Oktup Oktup April 2017 Sinclair Basic
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    [quote="Oktup;905845"]To change attributes from BASIC, use OVER 1 and print ...
    GReW GReW April 2017 Sinclair Basic
  • How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…

    ... trouble with my BASIC program becoming corrupted on returning from a m ... calling a m/c routine from BASIC, and reload them before returning ...
    trellis trellis May 2003 Sinclair Basic
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    ... Compiled BASIC (the pure BASIC part is to manage stuff in the RAM ... disk back and forth, the Compiled BASIC part is ... the music file. Playing it from BASIC is easy:

    [code ... need to stay in BASIC (for the RAM disk stuff) - I know ...
    na_th_an na_th_an November 2006 Sinclair Basic
  • Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…

    ... retained in the built-in RAM and are instantly available ... installed and run from the built-in RAM, including ZX80 and ... ZX81 emulators available from [url] ... channels, including disk I/O from BASIC and text windowing (as ...
    glancaster glancaster January 2007 Hardware
  • Problem with spectaculator 6.30 "load from audio soruce"Hi all :). I'm new here and with spectrum emulation :). I love old computers i have in home amiga 500, atari 65xe and commodore 64, and i dont have s…

    ... have spectrum :(. I'm from Poland, so my english ... and use option "load from external audio source" and ... not like loading it change colour from cyan to red and ... can i do to load from tape to spectaculator game ... i loading program i 128 basic ;P. that blue-yellow ...
    Zel93 Zel93 December 2007 Emulators
  • Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…

    ... 32768) and memorable address in RAM
    ;initialise score
    ; ... code function called from basic will return the value from 0 to 65355 ... ,201 at address 33000 in RAM
    We'll assemble ... round the game before GAMEOVER change line 55 to 'jp PRINCIPALLOOP ...
    bigjon bigjon November 2009 Development
  • Change color from the starting screen?How can I change the background color from the starting screen permanently? I wish to have this for my ZX 48K. Micky

    How can I change the background color from the starting screen permanently? I wish to have this for my ZX 48K.


    Micky
    -Micky -Micky April 2010 Sinclair Miscellaneous
  • BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…

    ... to use that tokenising idea from "more on storing mazes ... at the top of RAM to leave as much ... print the screens directly from the DATA statements rather ... 17, etc.). I'll change that to be the other ... saves selected ranges of lines from BASIC programs; it can also ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …

    ... RAM, but I was unable to find any fault by testing from BASIC ... ROM code passed from testing lower RAM to upper RAM. Here is an ... capture the RAM-FILL routine passing from lower RAM to upper RAM, but I ... couldn't reveal the fault from BASIC. I can only assume the ...
    Zorn Zorn April 2012 Hardware
  • multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…

    Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width is
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • Velesoft's ZX128+2 with 1.5MB memoryMy old ZX128+2 PROFI (grey model - spanish version) for sale here: [url]http://aukro.cz/super-zx-spectrum-128-2-1-5-mb-i2738723874.html[/url] Back s…

    ... :

    - extended ram memory to 1024 kB (1 ... interface). Easy switching between systems from basic.

    - contain MB02 ... direct from ZX via special utility. User can change any ...
    - support allram mode (MB02 ram).

    I don't ...
    velesoft velesoft October 2012 Sales
  • CAT!RAM and PUTRAMLast year sometime I posted a couple of routines to: * catalogue the 128k RAMdisk in BASIC; * move RAMTOP and the stacks from BASIC. CAT!RAM and PUTR…

    ... RAMTOP and the stacks from BASIC.
    CAT!RAM and PUTRAM are ... As CAT!RAM is in BASIC and is swapping around RAM pages to ... (including anywhere stupid) from within a BASIC program while preserving the ... stack and GOSUB stack and BASIC variables; it also updates ...
    Battle Bunny Battle Bunny December 2012 Sinclair Basic
  • Loading basic from basic?Hi Guys, Could you please help me. I want to create a menu on my plus 3 disks. If I use the line below I just get "c nonsense in basic" if inkey$…

    ... just get "c nonsense in basic"

    if inkey$ = "1 ... .cde" code will load fine from a basic listing.

    Can ...
    gazj82 gazj82 June 2013 Sinclair Basic
  • Zero 0.6I'm pleased to announce that I've released Zero 0.6. There are some comprehensive changes in this release including moving to .Net 2.0, removing Slim…

    ... DirectSound implementation from ZXMAK 2).

    Full change list:
    RAM page (for 128K and ... issue with trapping of SAVEs from BASIC, wherein the user wasn’t ... when display settings where changed from Options in fullscreen mode ( ...
    Arjun Arjun July 2013 Emulators
  • Unexpected issue with +3DOS port of Pro BMX SimulatorI'm continuing to port my tape-based games to 3-inch disk (you may have noticed my previous post about PSSST!). Today I started on Pro BMX Simula…

    ... started on Pro BMX Simulator from Code Masters. The 128k ... RAM page 1 (at 0xc000), so not easy to do from BASIC ... RAM page 3 (updating the main code to reflect the change ... it didn't work with RAM page 1. Naively, ... guide: just reference to RAM page 7 being used for ...
    Georgeo Georgeo March 2018 Development
  • Passing parameter from BASIC to assembler routineWas there a "clean" way of passing parameter(s) from a BASIC program to an assembler routine? Something like parameterising RANDOMIZE USR call? I fac…

    ... of passing parameter(s) from a BASIC program to an assembler routine ...
    mr.spiv mr.spiv November 2018 Development
  • games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…

    ... key to play" (you can change this) and then runs the ... the remaining 32k of usable RAM for the game and this ... have to be done from basic? and if done from basic , how would you ... get back to basic, rnd addrs ...
    Amigo Amigo April 2003 Games
  • Extracting the Multiface ROM?Is there an easy way to save the contents of a real Multiface 128 ROM to tape, on a real spectrum, for the purposes of transferring it to PC for emul…

    ... to do is change the value of the ... contents from 0 to 8192 to somewhere in RAM, page ... out the MF128 and return to basic. ... something like:

    From BASIC, CLEAR 32767

    ...

    Then, from BASIC, SAVE "mf128" CODE 32768,8192 ...
    DEATH DEATH June 2006 Hardware
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... 2068 can have another 64K RAM in the cartridge slot ( ... to write playable games even from basic using these hardware sprites on ... which makes it possible to change graphics in the full screen ... but because its video RAM is isolated from the cpu making direct ...
    Alcoholics Anonymous Alcoholics Anonymous December 2006 Games
  • 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…

    ... off the end of the basic line from your machine code routine ... somewhere defining whether we started from BASIC or directly (so i know ... ROM 3 and RAM 0, and somehow replicate the basic CLEAR), how ... , but Sinclair basic in general expects you not to change the IY ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…

    ... just click on OUT to change to SPEAKER and hit ... here are actual recordings from a Philips machine and ... a stolen volume table from the ATARI ST that ... likely the samples came from a PC with appropriate ... the sampled data on ram. The BASIC program should ask for ...
    Alcoholics Anonymous Alcoholics Anonymous February 2007 Development
<1234567…34>

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  • Switch from 128k BASIC to 48k BasicHello,<br /> <br /> Is there a way to start off running a program in 128k basic (so that you can use the ramdisk facilities) but then switch back dow…
  • 128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…
  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code:<br /> <br /> [CODE]<br /> ;; ram-check<br /> L11DA: LD H,D ; Transfer the top value to the HL registe…
  • Loading basic from basic?Hi Guys,<br /> <br /> Could you please help me. I want to create a menu on my plus 3 disks. If I use the line below I just get "c nonsense in basic…
  • Games that benefit from a change in speed.Has anybody tried playing games on an emulator at different speeds?<br /> <br /> I've found that certain games are more playable with a slight speed …
  • How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…
  • Detecting TR-DOS from BASICIs there a simple (or contrived :D ) way to detect the presence of a TR-DOS/Betadisk interface from BASIC?<br /> <br /> For fairly obvious reasons th…
  • how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this:<br /> PRINT USR xxxxx, arg1,…
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