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Search Again :: Adv Search 1000 results in 0.034s
<1234567…34>
  • Hook CodesIf you've dug into the Interface 1 this should be an easy question. I last had 'em circa 1990 while I can remember the things they did Start Motor C…

    ... 08
    DB 1A ;;produces "Hook code error" (maybe, not certain)
    RST ... are the rest of the hook codes?
    Or is there ...
    john john February 2001 Sinclair Miscellaneous
  • Rotronics Wafadrive v.1.80 ROM - Corrupt or purposely broken?I've been digging around the Wafadrive v1.80 ROM (from [URL="http://zxspectrum.it.omegahg.com/_RO.htm"]here[/URL]) and can't decide if the ROM is cor…

    ... /> jr nc, l_0d2b ; hook-code-error
    add a, a ... jp (hl)

    ;; hook-code-error
    ;
    l_0d2b: rst ... $13

    ;; hook-code-table
    ;
    l_0d2d: ... ; hook-32
    defw $0d2b ; hook-code-error

    ;; hook-32
    jp jp July 2013 Hardware
  • Cloning Microdrive Sectors?Hi everybody, I made a posting in the MIA/STP/SDP forum a while back about attempting to preserve the very well protected Microdrive cartridge "LERM…

    ... .

    Thanks to a hook code error I?ve managed to save ...
    jp jp August 2005 Development
  • Extended Microdrive FormatterHello all, After a few months on a steep learning curve, some heavy duty reading and plenty of trial and error I?ve written an extended microdrive f…

    ... include a buffer within the code.

    2. IF1 detection ... (cheers JGH) - the code will cleanly trap for a ... a * FORMAT and receive a hook code error, or a border set to ...
    jp jp July 2006 Development
  • Blake's 7I've got an idea for a Blake's 7 video game for the 128K Spectrum (Only problem is I can't code in neither machine code or Sinclair BASIC, so I will …

    ... "RST 8" successfully perform an error report when called from inside ... idea. IIRC it gives a Hook Code error when IF1's attached. Can ...
    RST#08 RST#08 May 2009 New game ideas
  • Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…

    ... There's minimal error checking
    The code is not optimised< ... ;
    err_nr equ $5c3a ; error report code
    err_sp equ $5c3d ; address ... (err_nr),a ; force a clean error code
    ;
    exx
    defb $32 ; hook code to call any shadow rom ...
    jp jp August 2009 Development
  • If you've got a real working MF128,IF1, and MDR combo can I ask a favour?So, if you do have a real Multiface 128, Interface 1, Microdrive and, oh yeah, a Spectrum (48k or 128k) that are all working, can I ask a favour...? …

    ... ;
    err_nr equ $5c3a ; error report code
    err_sp equ $5c3d ; ... ld hl,(err_sp) ; fetch current error return
    push hl ; ... br /> ;
    pop hl ; restore error return
    ld (err_sp),hl ... ; return the address of HOOK-CODE in bc register
    ...
    jp jp February 2008 Hardware
  • Shadow ROM partial decoding not implemented in emulatorsOr at least, not implemented in Spectaculator, and it seems that not in Fuse too. [URL="http://www.speccy.org/foro/viewtopic.php?f=8&t=408&start=53"…

    ... LOAD *"m";1;"rom" CODE 32768[/CODE]
    that allows us ... is the code I used.

    Hook code 32h allows ... error, but the copy has already been performed ;)

    [code ... br />
    end 32000[/code]

    The results ...
    mcleod_ideafix mcleod_ideafix June 2011 Emulators
  • Creating your own BASIC-commands on IF1bisThe old Sinclair IF1 has offered an easy possibility to create your own new BASIC-command: The use of the shadow variable VECTOR. This is described i…

    ... using the same procedure of error trapping, one could try to ... only the compatibility at the hook code level! The major problem is ...
    HZJ HZJ March 2014 Hardware
  • 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…

    ... always execute a hook code from machine code and trap the error. Send something ... connected. If you get an error - no TR-DOS. The downside ... still have to trap the error routine yourself or you'll ...
    pissedbob pissedbob January 2006 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…

    ... return address, which is the error/hook code value. This may be in ... /> I also check for non-error hook codes at this point, but ... ; job done.
    [*]If the error code did match, I discard the ... anything went wrong, set the error code at ERR_NR, and perform the ...
    glancaster glancaster March 2008 Hardware
  • 16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…

    ... the error. [/QUOTE]

    It's educational to read the code ... whether it's a BASIC error (and handle it appropriately), ... the shadow ROM, or a hook code. There's a fair bit ... of gnarly code in the IF1 ROM.< ... didn't have to do hook codes (I have a ...
    Winston Winston November 2008 Hardware
  • Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…

    ... ;
    err_nr equ $5c3a ; error report code
    err_sp equ $5c3d ; address ... ld hl,(err_sp) ; fetch current error return
    push hl ; ... (err_nr),a ; force a clean error code
    ;
    exx
    defb $32 ; hook code to call any shadow rom ...
    jp jp December 2009 Development
  • Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…

    ... ;
    err_nr equ $5c3a ; error report code
    err_sp equ $5c3d ; address ... ld hl,(err_sp) ; fetch current error return
    push hl ; ... (err_nr),a ; force a clean error code
    ;
    exx
    defb $32 ; hook code to call any shadow rom ...
    jp jp June 2010 Development
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... machine code - this is achieved by using a series of hook ... an error in the HOOK-CODE table so a fairly important HOOK-CODE doesn ... other issues, fixes the HOOK-CODE table fault and introduces 2 ... fiddling around with creating new hook codes and having an " ...
    jp jp November 2010 Sinclair Miscellaneous
  • ResiDOS v2.00 releasedI've just posted a major new release of ResiDOS, at: [URL="http://www.worldofspectrum.org/residos/"]http://www.worldofspectrum.org/residos/[/URL] T…

    ...
    [*]new BASIC commands
    [*]hook code handlers
    [*]new i/o ...
    glancaster glancaster March 2007 Hardware
  • Working with DOS and Plus D disks on a +2A/+3Don't know if this will be of interest to anyone, but once in a while someone asks how to do it. Dominic Morris has given permission for WOS to distr…

    ... (physically misplaced) most of source code discs back in the 90s ... you want as C source code - it'll read the contents ... to clean up the source code for discdos for a while ... loading (rather than using a hook code) would've made it not ...
    zxbruno zxbruno February 2011 Sinclair Miscellaneous
  • Working with TR-DOS formatted disks on a +3These days I am thinking about *.TRD files on ESXDOS and velesoft's PROFI Interface. Then my neuron make a spark... Why not read real TR-DOS format d…

    ... loading (rather than using a hook code) would've made it not ...
    RockRiver RockRiver November 2012 Sinclair Miscellaneous
  • ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …

    ... ASM text base. Means that code, that
    has been ... SNA file containing your own code!

    * Edit datablocks ... containing machine code.

    * Error log window. If an error is ... yet working:

    * code parts and pages need to ...
    clausjahn clausjahn July 2015 Emulators
  • ZX48k terminal...Hello everybody, I thought someone might help me. I connect my good old ZX48k to my PC via serial (IF1) link, and I was trying to write a little term…

    ... a automatic listing.
    The code of interface1 reads from the ... be to write a machine code program to read the RS232 ... refer to the RS232 input hook code, it won't help you ... will need to SHADOW: the code for a Version 2 ROM ...
    john john December 2001 Sinclair Miscellaneous
  • Hook CodesIf you've dug into the Interface 1 this should be an easy question. I last had 'em circa 1990 while I can remember the things they did Start Motor C…

    ... is.


    HOOK CODE SUMMARY
    =================

    ... is a summary of each Hook Code, it's name, shadow ... br /> function.

    Code Name ROM1 ROM2 ROM3 Function ... 0D07 0D07 RS232 output character code in A.
    1F ...
    Geoff Geoff February 2001 Sinclair Miscellaneous
  • Ramsoft Site DownPerhaps there finally putting the last version of Real Spectrum onto the site! Or better still Realx!!

    ... a problem with the ERASE_M hook code.
    o Did you get ...
    JHutcheson JHutcheson June 2004 Emulators
  • Game EditorsWell as the title says, this is a query about game editors, specifically the ones for Gremlin games... Many moons ago, Your Sinclair published (I th…

    ... the main editor:

    [CODE]l_f4a3: ld de, $0000 ; f4a3 ... br /> ret ; f4d1 c9 $0at[/CODE]

    So this routine ... find out where the IF1 hook code table resides. On an Issue ... with:

    [CODE]LOAD *"m";1;"Edit"[/CODE]

    And ...
    jp jp January 2008 Games
  • BASIC error messagesDoes anyone know what all the numbers mean after the various error messages in Sinclair BASIC? Does anyone know how to instigate each error type?

    ... :

    "a MERGE error"
    "c CODE error"

    Wonder why ... just use "Drive not found" (error 46). Typing in the following ... +2A :

    [CODE]10 FORMAT "A:"[/CODE]

    What's ...
    Jimmy Jimmy June 2008 Sinclair Miscellaneous
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... also provides a hook-code based interface for machine code programmers (so even ...
    Winston Winston January 2009 Hardware
  • Interface 1 Issue 2 Bug FixesI've had a bit of spare time today and implemented Geoff's [URL="http://www.drumfu.com/if1_2p.zip"]bug fixes[/URL] as detailed in his [URL="http://ww…

    ... ) is that there's no hook code to just load or save ... using I/F1 from machine code, for me, is always "difficult ...
    Jimmy Jimmy January 2010 Development
  • Interface 1 Issue 2 Bug FixesI've had a bit of spare time today and implemented Geoff's [URL="http://www.drumfu.com/if1_2p.zip"]bug fixes[/URL] as detailed in his [URL="http://ww…

    ... that there's no hook code to just load or save ... br /> Yup the lack of hook codes has frustrated me as ... certainly scope to extend the hook codes.

    [ ... using I/F1 from machine code, for me, is always ... your earlier point, the hook codes don't provide ...
    jp jp January 2010 Development
  • Interface 1 Issue 2 Bug FixesI've had a bit of spare time today and implemented Geoff's [URL="http://www.drumfu.com/if1_2p.zip"]bug fixes[/URL] as detailed in his [URL="http://ww…

    ... .
    In this particular example, hook code $1b will load the "run ... extended to support the new hook code. This ROM works with Spectaculator ... - load the "demo" file and hook code $1b will be executed, and ...
    jp jp January 2010 Development
  • Detecting ZX Interface 1 ROM VersionIs there any way of checking which version of the ZX Interface 1 is present? I know that the later ROMs were better at networking - what other impro…

    ... writing something that uses a hook code or perhaps a BASIC extension ...
    Winston Winston April 2010 Hardware
<1234567…34>

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