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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 ... "2 Variable not found"
    RST 08
    DB 1A ;;produces ... error" (maybe, not certain)
    RST 08
    DB 1B ;;Starts ... /> Or is there an online IF1 disassembly anywhere.
    john john February 2001 Sinclair Miscellaneous
  • 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…

    ... jumper is closed (allowing RST 8 traps to be enabled/disabled ... be used for DivIDE and IF1 compatibility). Conditional trapping is ... exits, except for the RST 8 trap which does an extremely ... 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 ... just want to copy the IF1 ROM code, it would be ... need to do when intercepting RST 8 to parse your own command ...
    Winston Winston March 2008 Development
  • 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…

    ... toastrack or higher OR if IF1 is enabled.

    However ... IF1 won't be initialised. Can this be done via assembly [RST 8 ...
    BloodBaz BloodBaz January 2014 Development
  • Multiple ROMsI'm mulling over the idea of a bit of hardware with a ROM in it, which has some commands that can be called by BASIC (like the old wafadrive star com…

    ... on all of these uses RST 8 for all functionality, and it ... you want to use some IF1 ROM commands (eg for Microdrive ... the same way as the IF1 and be totally compatible with ...
    glancaster glancaster September 2007 Development
  • 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…

    ... 't know much about the IF1.
    However in the last ... the IF1 pages in.

    With the DivIDE, if an RST#8 ... is executed, or even a CALL/JP #8, the ... [I]guess[/I] if the IF1 pages in before that, then ...
    icabod icabod October 2007 Hardware
  • 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…

    ... problem - if, say, the IF1 is already paged in, and ... , I can prevent the IF1 ROM from paging in by ... A15 high (so the IF1 thinks the address on the ... registers, and doing another RST #8 but with my ROM now ... interfaces (like the DivIDE and IF1) and have a hardware ...
    Winston Winston October 2007 Hardware
  • SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…

    ... co-operate on things like RST #8 traps, interrupts, NMI etc. The ... IF1) intercepts, so should be always usable even if things like RST#8 ...
    Winston Winston October 2007 Hardware
  • Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…

    ... magazine that determines if the IF1 is the first version or ... ]
    ORG 31000

    RST 8
    DEFB #31
    EXX ...
    LD (#5CED),HL
    RST 8
    DEFB #32
    EXX ... 1
    RET C
    RST 16
    INC HL
    NotFound NotFound January 2008 Emulators
  • 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…

    ... :-) I've been using the IF1 disassembly to get some clue ... Interface 1 (or any other RST 8 trap device), an OUT instruction ... the ethernet board gets the RST 8 or whether the downstream device ... probably have to borrow an IF1 and microdrive, since people are ...
    Winston Winston March 2008 Hardware
  • 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 ... I've been using the IF1 disassembly to get some clue ... is done during an RST 8 trap and subsequent return ... method is based on the IF1 method).

    [ ... it yourself (see the IF1 disassembly for how to do ...
    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…

    ... IF1 presents a bit of a problem because it traps RST 8. You ... to use something other than RST 8 to handle errors, and then ... passing things off to the IF1. All in all, rather a ...
    Winston Winston November 2008 Hardware
  • Keyboard routinesI'll ask here first - since this must be a long-ago solved problem, and hopefully I can avoid re-inventing the wheel... I need a keyboard routine th…

    ... interested, is that like the IF1 and many other add-ons ... handled via the RST 8 trap, but if the RST 8 trap is disabled ... the Spectranet ROM, because, well - RST 8 has been disabled by the ...
    Winston Winston January 2009 Development
  • Keyboard routinesI'll ask here first - since this must be a long-ago solved problem, and hopefully I can avoid re-inventing the wheel... I need a keyboard routine th…

    ... interested, is that like the IF1 and many other add-ons ... handled via the RST 8 trap, but if the RST 8 trap is disabled ... the Spectranet ROM, because, well - RST 8 has been disabled by the ...
    rich_chandler rich_chandler January 2009 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…

    ... ZX Interface 1 ? After RST 8 connect IF1 external eprom 8kB in area ... adress:
    #0000 = reset/rst 0
    #0008 = RST 8
    #0038 = IM1 ...
    velesoft velesoft January 2009 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 ... a Hook Code error when IF1's attached. Can't remember ...
    RST#08 RST#08 May 2009 New game ideas
  • Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …

    ... possibilities: 1 the hardware solution (RST 8 ) was there already and the ... Dr Ian the 'father' of IF1 hardware.
    When Dr Logan ...
    roko roko July 2009 Development
  • Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …

    ... missing commands and the RST 8 routine. The IF1 ROM is as good ...
    chev chev July 2009 Development
  • DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…

    ... stack that tells your RST 8 handler that you're ... are zeropage.asm (the RST 8 initial entry point), the ... is very similar to the IF1 Shadow ROM method, varying ... />
    [code]
    rst CALLBAS (actually, RST 16)
    defw ADDRESS_TO_CALL ...
    Winston Winston August 2009 Development
  • Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …

    ... that Interface 1 traps RST 8, so whoever gets RST 8 fastest wins - if ... it, if it's the IF1, then the code would have ... pretty marginal though with an IF1 connected in terms of how ...
    Winston Winston October 2012 Hardware
  • 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 …

    ... . Any compatibility here with existing IF1 programs would surprise me, because ... (#5CED),HL ;HD_11, 23789
    RST 8
    DEFB #32 ;SERV_R, page ...
    roko roko October 2013 Hardware
  • 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…

    ... Guesser.
    The IF1 stores the BAUD Rate ... are using the standard IF1 ROM and as the ... 48K Spectrum + IF1 then load my snapshot, IF1 isn't initialised ... ORG point). The RST 8 works, and IF1 pages in but it ... crashes (RST 30 at 00BCh in IF1 ROM) and ...
    BloodBaz BloodBaz January 2014 Development
  • FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…

    ... are my plain and simple IF1 serial functions.

    [ ... /> Anyone knows about this strange IF1 call behaviour? I was under ... to init vars by calling rst 8, .db 31. Then (optionally) set ... z88dk/z88dk/libsrc/rs232/spectrum/if1/"]I checked my code against ...
    tstih tstih April 2014 Development
  • 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
  • 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
<1234567…34>

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