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Search Again :: Adv Search 1000 results in 0.021s
<1234567…34>
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... ADDR, ADDR, I/R, dataAddr[/code]

    However, checking ... , which means that our bank switch code will also be fixed at ... :This will allow for Bank switching code to be place in ... something like the following:
    [code];InputParams: A = Command, [E ...
    RMartins RMartins July 2016 Hardware
  • LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…

    How do you LOAD "" CODE from machine code?

    I have ... call the ROM's LOAD "" CODE routine, nothing fancy headerless loaders ... worth of 128 code in bank 6?

    [CODE]ld a,64 ... /> ;LOAD 128 bank 6 code

    ;LOAD main game code

    daveysludge daveysludge October 2014 Development
  • Supertest 128 - Loader QuestionI wonder if someone could explain (in simple terms please) :) , the purpose of the switch code. I see what is doing (going to 48k mode via spectrum)…

    ... please) :) , the purpose of the switch code.

    I see what ... ? :-? , is it something like the bank switching or more available workspace ... ? , I'd speculate the actual 'switch' code is to force the goto ...
    spider spider December 2010 Games
  • 128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…

    ... /faq/technica.html[/url])
    [code]
    When memory is being ... to change. If normal interrupt code is to run, then the ... /> An example of a typical bank switch on the 128 is:
    EI
    [/code]

    i hope this ...
    Fikee Fikee February 2006 Development
  • Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…

    ... to do with how you bank switch with a Spectrum. Whether you ... NVRAM on these devices *is* bank switched, and it appears as ... of having to write some code to program the flash, and ...
    Winston Winston February 2010 Hardware
  • enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…

    ... any graphics, so i can switch that bank to code.
    Ketmar Ketmar May 2011 Development
  • enJine: a fast tilemap enginetile engine based on excellent work by Joffa Smifff. here you can download first tech demo. [url=http://ketmar.no-ip.org/tmp/enJine.tap]Get It Now![…

    ... now though so the code is starting to form. ... have the non-critical code generating preshifted tilesets as ... .

    My code is using a wraparound map ... haven't timed the code to do this yet ... graphics, so i can switch that bank to code.[/i][/QUOTE]
    ...
    kphair kphair May 2011 Development
  • binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…

    ... and the relevant code inserted to make the bank switch happen.


    Bank switching is manual though.
    csmith csmith June 2011 Development
  • Maritrini and Cray 5 loading problemsHas anyone else here had issues loading either of these on a 128k? No matter what I try, both these games refuse to load properly. I can get both t…

    ... could be incompatible with a bank switch.

    So, the ... something like this:
    [code]; Reubicador by Benway
    ... section

    ret[/code]

    A slighly ... I think):

    [code]
    org 25000
    di ...
    mcleod_ideafix mcleod_ideafix March 2012 Games
  • Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…

    ... a 128K game, with a bank-switch in between blocks.

    Code because I still haven't ...
    stephenw32768 stephenw32768 June 2015 Development
  • 128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…

    ... Seto Taisho Vs Yokai to switch banks in order to load ... this code:
    [code]
    LD A,n ; where n is bank number ... 00010000
    [/code]
    where m is the bank number.
    < ... of bank 5.

    [code]

    LD A,n ; bank number ...
    Alessandro Grussu Alessandro Grussu February 2016 Development
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... your interest.
    PIC source code is available as public domain ... :). Z80 asm source code for the menu system is ... can get the latest source code (commented in English) here:< ... to understand how to do bank switch.

    Thanks for the ...
    RMartins RMartins July 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    [quote="RMartins;869378"][code]

    From what I ... hell, to be used for bank switching, for resource data.

    Hi RMartins, well, a bank switch takes 5milliseconds. I wouldn't ... make bank switches in that little time. With a 10 minutes code ...
    Dan Dare Dan Dare July 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... Hi RMartins, well, a bank switch takes 5milliseconds. I wouldn't ... bank switches in that little time. With a 10 minutes code ... answer.

    Bank switching speed, is irrelevant, if ... solution, for development, if bank switching was fast, but currently ...
    RMartins RMartins July 2016 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... />
    Now that core switching code is implemented, I just have ... ROM, that will allow to Bank switch ROM applications, and later also ...
    RMartins RMartins September 2016 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... ROMs wouldn't boot after bank switch, but would happily boot ... that Interrupts where enabled by bank switch function, before faking boot.
    code, since HALTs without Interrupts ... since it's only firmware code that writes to FLASH for ...
    RMartins RMartins October 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... command.h of the PIC code.
    [code]
    // COMMANDS :
    //---------------------------------------------------------------------------------------< ... CMD_INTERNALROM_DISABLECMD 34
    // Command 34 : Bank Switch to Internal ROM & Disable ...
    joefish joefish November 2016 Hardware
  • ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …

    ... it, as the Sinclair ROM code both deliberately and accidentaly tries ... would receive the new "ROM" code via the existing serial port ... it in the correct RAM bank, bank switch the RAM, and then transfer ...
    1024MAK 1024MAK June 2017 Hardware
  • Tutorial: Using UDGs in SpecBASSpecBAS is capable of using graphics mode, in a similar manner to the original Spectrum. Like most things though, the extended nature of SPecBAS's ab…

    ... the command:

    LIST BANK

    Which displays the ... .

    The font in bank 1 contains mono characters that ... this case, the Font Bank is in bank 1, the address is ... address to POKE in bank 1:

    CODE a$*64
    Dunny Dunny May 2018 Sinclair Basic
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …

    ... . Either I cocked up my code, or something is corrupting the ... thinking that when in BASIC, Bank 2 is at 8000h and ... />
    What address does your bank copying code run at?

    [quote]
    (I notice that bank 0 ...
    Woody Woody August 2003 Sinclair Basic
  • Z88DK + SPLIB2 question.I downloaded the compiler, installed it following the instructions (found at the SPLIB2 website), updated it using the fixed files (stdlib.h and the …

    ... get (removing the -vn switch):

    [code]C:\z88dk\work> ... ', at line 10, Illegal identifier[/code]

    Cheers.
    na_th_an na_th_an April 2005 Development
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... ]
    which does a bank-switch into bank 3 and tests that RAM ... that been printed via $C000 bank 3. If this doesn't ...
    Spirantho Spirantho September 2005 Sinclair Miscellaneous
  • white nosieMy zx spectrum + produces a lots of white noise, I have tried a couple of power packs, I have no idea what else to do? any suggestions? thanks

    ... 'd insert a little rocker switch to be able to mute ... very raw diagram:

    [CODE]---+
    TV | _ /|
    o ... /> | \ \|
    ---+
    Added
    SPST Switch[/CODE]

    It's all ...
    Marcelo Marcelo July 2006 Hardware
  • What are people using TommyGun to do?So I was just wondering what people are using TommyGun to do?

    ... isn't supported in the code editor?
    Why not ... export to the code editor and then copy and ... , links, compresses, adds startup/bank copying code, converts to .TAP and TR ... in minimising unnecessary code - and to me the Code Editor / makefile ...
    pissedbob pissedbob September 2006 Development
  • What are people using TommyGun to do?So I was just wondering what people are using TommyGun to do?

    ... for creating updateable source code that gets compiled into binary ... links, compresses, adds startup/bank copying code, converts to .TAP and ... last looked at the code editor a few versions ... in minimising unnecessary code - and to me the Code Editor / makefile ...
    Kiwi Kiwi September 2006 Development
  • Spectrum ResetHi All I have asked this before but in another thread as part of something else. I really cannot recall all this stuff from way back :[ When I ha…

    ... about putting a nite-lamp switch (sorry, don't know ... this for the mains switch:

    [code]
    / +-------+
    @---------o/ ... /> +-------+
    [/code]
    This will also allow you to switch it off ...
    Marcelo Marcelo December 2006 Sinclair Miscellaneous
  • Wanted Issue 1 32K DaughterboardBit of a long shot i know but original or if anyone can make one i got cash waiting. [IMG]http://img.photobucket.com/albums/v322/Sloposse/Sinclair/s…

    ... details [assembler] of how to bank switch the additional memory in and ...
    jp jp April 2008 Wanted
  • Wanted Issue 1 32K DaughterboardBit of a long shot i know but original or if anyone can make one i got cash waiting. [IMG]http://img.photobucket.com/albums/v322/Sloposse/Sinclair/s…

    ... details [assembler] of how to bank switch the additional memory in and ...
    ZX-MAD ZX-MAD April 2008 Wanted
<1234567…34>

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