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<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…

    ... 1 does it (catch the RST 8 error trap). This works perfectly ... 48k, a 128k (in either RST 0 or in the 128 ... under 48K BASIC or in RST 0 mode.

    But ...
    Winston Winston February 2009 Development
  • 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…

    ...

    Normally RST 8 handles exceptions eg
    RST 08
    DB ... found"
    RST 08
    DB 1A ;;produces "Hook code error" ( ... maybe, not certain)
    RST 08
    hook codes?
    Or is ...
    john john February 2001 Sinclair Miscellaneous
  • 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"…

    ... .org/foro/viewtopic.php?f=8&t=408&start ... code I used.

    Hook code 32h allows me to ...
    ld (5cedh),hl
    rst 8
    db 32h ;CALL shadowROM ...
    mcleod_ideafix mcleod_ideafix June 2011 Emulators
  • Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…

    ... via assembly. I'm sure hook codes are required for IF ... this be done via assembly [RST 8 ] without returning to BASIC?
    BloodBaz BloodBaz January 2014 Development
  • 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…

    ... you could always execute a hook code from machine code and ... haven't seen anything about RST 8 hooks on TR-DOS...
    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…

    ... give me some hints on RST 8 trapping, what needs to ... is done during an RST 8 trap and subsequent return ... need these values for their hook codes, so probably a ... , which is the error/hook code value. This may ... also check for non-error hook codes at this point, ...
    glancaster glancaster March 2008 Hardware
  • 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 …

    ... goooood!

    BTW does "RST 8" successfully perform an error report ... idea. IIRC it gives a Hook Code error when IF1's ...
    RST#08 RST#08 May 2009 New game ideas
  • 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 …

    ... surprise me, because this hook needs an address in ... stored by the old hook for returning) shows ... ),HL ;HD_11, 23789
    RST 8
    DEFB #32 ;SERV_R, ...
    roko roko October 2013 Hardware
  • ZX PC Interface : The manual, schematics and more info... ZX &lt;-> PC Interface ------------------- Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Install…

    ... D
    v v 3 8 9 1 P 0 Q ... the ZX ROM.

    RST 8 is also altered, but will ... from 1997. You can make RST 8 to call to your own ...
    Dr BEEP Dr BEEP December 2002 Sinclair Miscellaneous
  • ZX PC InterfaceZX &lt;-> PC Interface Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Installation 2.1) The softwa…

    ... D
    v v 3 8 9 1 P 0 Q ... saving to tape.

    RST 8 is also changed, but will ... .
    You now can make RST 8 to call to your own ... 1,0 : IF IN 1 8 THEN RUN

    The ...
    Dr BEEP Dr BEEP January 2003 Announcements
  • A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…

    ... off the edge connector traps RST #8. For instance, the Sinclair ... in when it traps an RST #8 - presumably when the program ... only one device can handle RST #8, surely the only device that ... a hardware jumper that disables RST#8 traps and instead tells the ...
    Winston Winston October 2007 Hardware
  • It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…

    ... RST8EN jumper is closed (allowing RST 8 traps to be enabled/disabled ... and exits, except for the RST 8 trap which does an extremely ... point there, and do the RST 8 style trick of passing a ... disassembly" especially with regards to RST 8 traps.

    Oh, ...
    Winston Winston December 2007 Hardware
  • Understanding extensions to the BASIC parserFor a while, I've had a rather 'rinkety dink' extension to BASIC via an RST 8 trap in hardware, just so that I can send stuff to a Spectrum over ethe…

    ... ' extension to BASIC via an RST 8 trap in hardware, just so ... need to do when intercepting RST 8 to parse your own command ...
    Winston Winston March 2008 Development
  • Handling RST8 on a +3Well, I've come to that bit of my project that I wasn't really looking forward to (because I don't understand enough about the ZX BASIC ROM) - extend…

    ... by the way of handling RST 8.

    So far, using ... tackled this thorny issue, my RST 8 handling worked fine on a ... /> - How should returning from handling RST 8 be done on a +3?
    Winston Winston July 2008 Development
  • 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 …

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

    Winston Winston July 2008 Development
  • So what about ethernet and ZX BASIC?Well, as of about 5 minutes ago, ZX BASIC for the first time properly wrote some packets to the network! OK, so it isn't perhaps 100% what Andrew Ow…

    ... not relying at all on RST 8 traps), but the Spectranet channels ...
    Winston Winston July 2009 Hardware
  • Implementing goto on error condition...OK, so when I'm reading a file or directory on a network filesystem, when I reach EOF, it's not actually useful at all for ZX BASIC to stop the progr…

    ... to stop the program with 8 End of file. Really, what ... it - see error 8 (error code 7) when RST 8 fires, then set ...
    Winston Winston October 2009 Development
  • Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…

    ... ] (power-on/reset/rst 0)
    [B]#8[/B] (rst 8 / errors)
    ... code at adress #0,#8,#38,#66,#4C6 and # ... of memory connection at adress #8[/B] - cpu jump to ... instruction byte from adress #8 of ZX rom(DIVIDE not ... br /> #B3(179) LBA 8-15 LBA 0-15
    velesoft velesoft August 2013 Hardware
  • Z80AsmI've been using the Z80 PC Assembler 1.2 by Peter Hanratty and found that the RST 8 instruction assembles to 200. It should be 207. Ret Z is 200 wh…

    I've been using the Z80 PC Assembler 1.2 by Peter Hanratty and found that the RST 8 instruction assembles to 200. It should be 207.

    Ret Z is 200 which assembles correctly to 200.

    Are there any patches or working versions?
    rune rune December 2013 Development
  • Accessing +3 DOS with DivIDE enabledI'm thinking about making a tool that copies files from a FAT partition to a IDEDOS partition. Currently, I've got two problems: - Getting the ESX…

    ... .inc file) to know what RST 8 codes can I use.
    RST 8 to read from the card ...
    Zup Zup September 2016 Development
  • Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …

    ... ,TEXT
    CALL BASIC
    RST 8
    DEFB 255

    Paddy Coleman Paddy Coleman August 2017 Development
  • Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…

    ... I get an indicating an RST#8. Looking in the Complete ZX ...
    Paddy Coleman Paddy Coleman August 2017 Development
  • NMI Routine and Restarts in a new 128K ROMI'm presently engaged in creating AGD 5 with the intention of making it a pair of 16K ROMs for the 128K/+2. I'm fairly sure that the vast majority o…

    ... my use of the RST slots, especially RST 8. I know there has ... I'm open to suggestions. RST 0, 16 and 56 are ... rest are up for grabs. RST 8 wasn't supported in the ... as the delay routine in RST 0 overran. Beyond that if ...
    jonathan jonathan July 2022 Hardware
  • Spectrum ROMI downloaded some text files (they are actually the spectrum ROM files but in text) which can be compiled using TASM (or soemthing). I read on WOS th…

    Well,

    with RST 8 your original address from where ...
    Dr BEEP Dr BEEP July 2002 Sinclair Miscellaneous
  • compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …

    ...
    LD A,(HL)
    RST 8 etc...

    If HL ... read #4000+Start_in_RAM_Spectrum

    RST 8 needs to make a call ...
    Dr BEEP Dr BEEP July 2003 Sinclair Miscellaneous
<1234567…34>

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