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Search Again :: Adv Search 1000 results in 0.022s
<1234567…34>
  • +3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…

    ... number regardless of how the BASIC line was written - for example ... . The various functions in the BASIC ROM save me a tremendous amount of ... to make sure the right ROM is paged when I need ...
    Winston Winston February 2009 Development
  • alternate BASIC ROMI've come up with a few patches to the standard ROM to make it use the 128 shadow screen by default. The ROM is reorganised as follows: RAMTOP is se…

    ... few patches to the standard ROM to make it use the ... shadow screen by default. The ROM is reorganised as follows:
    BASIC
    the shadow screen is ... almost a full 48K for BASIC programs. On the other hand ...
    chev chev October 2008 Sinclair Basic
  • hisoft basic compiler - saveAnd yet another question. I'm sure spamming forums a lot hehe :) Is there anyone expirienced with hisoft basic compiler? I'm working on small program…

    ... there anyone expirienced with hisoft basic compiler?
    I'm ... have only one arry to save instead of four (much ... would like to save it.
    Unfortunately hisoft basic will not ... compile save command and in tne ...
    rikokun rikokun September 2011 Sinclair Basic
  • Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi, I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k). But when I compare them, they…

    ... br />
    First ROM has Checksum: SHA-1: ... C8BAAEF66AB7FBF457BA76B783C02434CC5E2130
    Second ROM has Checksum: SHA-1: ... The simplest way to save the ROM seems to me, when ... Prompt just make:
    SAVE "ROM412" CODE 0,16384 ...
    Luzie Luzie September 2015 Hardware
  • Tool that allows step thru BASIC prog/save in .txt formatHi folks, I'm looking for a tool that allows you to step through a BASIC program line-by-line. BASin won't work for me, I'm not sure why. It shows t…

    ... you to step through a BASIC program line-by-line. BASin ... there a too that will save a BASIC listing in .txt format ...
    LevelUp LevelUp July 2019 Sinclair Basic
  • Screen$ disappearanceGreetings to all developers :D As you know, I have been playing around with Professional Adventure Writer and was making a few tests in the adventur…

    ... in a special case trap for the rom save routine. Would it be ... to edit it yourself? Custom rom trap entries in the Spin.ini ... 128 machine thats in 48 basic from the menu or 'spectrum ... ' from 128 basic is bugged. You have to ...
    FrankT FrankT March 2007 Development
  • Screen$ disappearanceGreetings to all developers :D As you know, I have been playing around with Professional Adventure Writer and was making a few tests in the adventur…

    ... a special case trap for the rom save routine. Would it ... edit it yourself? Custom rom trap entries in the Spin. ... be saved, and saves in ROM format :)

    ... machine thats in 48 basic from the menu or ... 'spectrum' from 128 basic is bugged. You have ...
    Dunny Dunny March 2007 Development
  • Spectrum Ethernet update...in which a toastrack 128K machine prods a machine outside of my LAN for the first time. [url]http://spectrum.alioth.net/doc/index.php/Current_eve…

    ... RST 8 trap and subsequent return to the main ROM, such ... br />
    [LIST=1]
    [*]Save current AF & HL (this ... point, but your $3ffe/$3fff trap sounds a better solution for ... to BASIC_STMT_R_1 ($1b7d) in the BASIC ROM. Finished!
    [/LIST]
    < ...
    glancaster glancaster March 2008 Hardware
  • Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…

    The BBC BASIC ROM converts graphics and ... I/O generated by the BASIC ROM goes via OSWRCH (write) ...
    Every time BASIC wants to LOAD or SAVE a file it ... code. We can therefore trap these calls and use the ... to get basic PLOT/DRAW and LOAD/SAVE routines working.< ...
    Jimmy Jimmy August 2008 Development
  • Is the original divIDE compatible with Interface 1Is the original divIDE hardware compatible with Interface 1 ? I would like to use the divIDE and Microdrives connected at the same time. Is this pos…

    ... routines without using the Basic LOAD command trap of the divIDE ?[/QUOTE ... ?

    Divide connect external rom memory if CPU go to ... /> #0066 = NMI routine
    #04C6 = SAVE
    #0562 = LOAD
    #3D00 ...
    velesoft velesoft January 2009 Hardware
  • Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…

    ... REM Set Up Error Trap
    9115 LET trap=32768: LET sp ... RETURN
    REM Standard Error Trap Addresses by Mode/Model
    LD A,(23610) ;save ERR_NR error code
    LD ... ;address of $FF in BASIC ROM, for report "0 OK"< ...
    Battle Bunny Battle Bunny July 2012 Sinclair Basic
  • UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…

    ... TAP file and doing the SAVE command from within the emulator ... as a "PC based sinclair basic". As it directly support from ... LOAD "" token from basic and then trap it from the rom).

    Arda Arda June 2014 Sinclair Basic
  • BREAK key on 128k SpectrumWhat happens when BREAK is pressed on a 128k Spectrum? Why is it different from what happens on a 48k Spectrum. Is there a way to disable it or to …

    ... b: NEXT a:
    SAVE "Trap.BAS": SAVE "Trap.MC" CODE 32768,16:
    ROM's error routine, so if a return to BASIC ... returning to BASIC successfully varies dependent on which ROM is installed ... different place in each ROM so each trap is different. As ...
    Battle Bunny Battle Bunny February 2018 Sinclair Basic
  • ANNOUNCE: vbSpec v1.60The latest, greatest, most wonderful and beautiful release of vbSpec, the free Spectrum emulator for Windows, is available now from:- [url="http:/…

    ... latest version of the SE Basic ROM, v0.93e
    It now ... /Alphacom 32 printer. You can save copies of the printer output ... /> Added command line snapshot/tape/rom loading support, so you can ... .z80, .sna., .tap, .tzx and .rom files with vbSpec and have ...
    Chris Cowley Chris Cowley November 2002 Emulators
  • TZX in ROM...Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM? [ This Message was edited by: klingler on 2004-07-0…

    Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM?



    [ This Message was edited by: klingler on 2004-07-08 15:19 ]
    klingler klingler July 2004 Sinclair Miscellaneous
  • Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …

    ... without needing to trap RST 8 and extend BASIC.

    trap error F (Invalid file ... entry point in the BASIC ROM, which is not an ... trap. Then a subsequent CLOSE # to free the stream from ZX BASIC ... a call in the BASIC ROM to reserve some space, ...
    Winston Winston July 2008 Development
  • ANN: ZX Spectrum +2g ROM setI'm working on another modified ZX Spectrum. This one is based on the +2A. There's quite a lot of work to do on the hardware but the ROM set is prett…

    ... 1: Fully bug-fixed 48 BASIC with numeric keypad support patches ... the original 48 BASIC ROM
    3: The original 48 BASIC ROM
    ... enabled.
    SPECTRUM selects ROM 3 with the additional ... 128 compatibility mode (runs HiSoft BASIC 128 )
    Spectrum 48 ...
    chev chev June 2009 Hardware
  • SE Basic questionsI've got a 128k heatsink machine which I'm working on modding to include a proper keyboard and built in DivIDE+.. Was I right in reading that the S…

    ... in reading that the SE BASIC ROM can be plugged into it ...
    zeropolis79 zeropolis79 April 2011 Sinclair Basic
  • Pixel Pimp, graphics utilityHi All, [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/pixelpimp.gif[/IMG][IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes…

    ... problems trying to use the ROM save/load routine, in the end ... an option to exit to basic, from there the data can ...
    R-Tape R-Tape September 2011 Development
  • OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…

    ... />
    SE BASIC is based on the ZX81 ROM (thanks to John ... machines (this requires replacing the BASIC ROM and patching the editor in ... are available on the original ROM, SE BASIC programs which use line ...
    chev chev May 2012 Sinclair Basic
  • Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…

    ... the return from a tape trap (that is, when ... This may be the BASIC ROM itself in the case of ... running in the ZX BASIC sysvars area and expects ... a RET; the tape trap in the Spectranet is ... actually a programmable trap - so it actually triggers ...
    Winston Winston March 2013 Hardware
  • ROM Routines Quick ReferenceSomebody was asking about calling ROM routines a few days ago, and it just so happens that I compiled this handy-dandy quick reference for same over …

    Somebody was asking about calling ROM routines a few days ago, ... .globalnet.co.uk/~jg27paw4/pourri/rom-routines.txt[/url]

    This is for the 48k ROM. I've just remembered that ... (ie. not in the 48k BASIC ROM) in the 128k models but ...
    Battle Bunny Battle Bunny December 2013 Sinclair Miscellaneous
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... file

    ; page BASIC ROM
    ld a,$10

    ; return to BASIC
    ld iy,23610 ; restoring ... could comment it out and save 9 bytes.
    - ... it before returning to BASIC. If we're not ... to put that routine inside BASIC). I'm doing it ...
    Zup Zup December 2013 Development
  • TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…

    ... formatted listing of the BASIC program in memory to ... as the last completed BASIC line is written out ... byte written by the ROM SAVE routine. Some editors might ... which isn't a BASIC line number, as it ... uk/~jg27paw4/pourri/taplist.bas]BASIC listing[/url] and some ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • ROM tape trap emulator testA very simple set of [URL="http://homepage.ntlworld.com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF return values for various incorrect blo…

    ... who even care about tape trap flashloading code returning anything beyond ...
    Woody Woody April 2014 Emulators
  • πBacteria, Bare Metal emulador for Raspberry PiSorry, Google traslated text below ---- What is an emulator Bare Metal? It is an emulator that runs directly on the machine, no operating system beh…

    ... here kernel.img download and save it on the SD card ... />
    I only see the Basic ROM. But, how Can I load ...
    antoniovillena antoniovillena October 2014 Emulators
  • So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…

    ... ; hide the M/C from BASIC
    Call48 RST #28 ; ... a routine in the 48-BASIC environment
    DEFW #2DA2 ; ... /> and here's a tiny BASIC program to poke it into ... call routines in the 48-BASIC ROM, there is no need to ...
    The_Bert The_Bert September 2016 Sinclair Basic
  • Standard Development LibrariesSo after some time away I decided to re-register after a Twitter thread (https://twitter.com/SpectrumNez/status/1578158361236963328) led me to a Visu…

    ... has seen such things - would save on me trying to replicate ... singular particular aspects of say BASIC ROM or using the AY or ...
    deusexmachina deusexmachina October 2022 Assembler
  • a couple of questionsHello, Just wondering if anyone has or knows about this 'vga box' that enables you to use a pc monitor with the spectrum. I have a speccy 128k+ and …

    ... . Advantage: it loads with BASIC LOAD/SAVE commands so programs will run ... 48K only, 'cause
    the ROM of 48K is altered, but ...
    Dr BEEP Dr BEEP December 2002 Sinclair Miscellaneous
  • Interesting Custom LoadersHi everyone, I was just thinking about custom loaders on the spectrum and I thought I'd ask you all what you thought was the best one. I'd have to …

    ... I'd need is a BASIC loader somewhere along these lines ... made a copy of the ROM routine, then changed the memory ... step was to modify the ROM save routine; change the timings to ... Spectaculator can bypass the normal ROM save routine to create a file ...
    monty.mole monty.mole October 2004 Sinclair Miscellaneous
<1234567…34>

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  • 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<br /> <br /> I found the following code:<br /> [code]<br /> CHADD equ 23645 ; Location of…
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