World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.117s
<1234567…34>
  • Convert .TZX to .ROM filesI own some ISO ROM files (from Individual Software) in the TZX format. How can I convert that to .ROM for use with an emulator? Where can I get other…

    I own some ISO ROM files (from Individual Software) in the TZX format. How can I convert that to .ROM for use with an emulator? Where can I get other .ROM files?
    wilko0070 wilko0070 January 2004 Emulators
  • IM2 calls to player routine on 128k?Hi all, Apologies for being crap, and not even in a funky, skillo kind of way but it's been over 20 years since I last wrote anything in machine cod…

    ... I'd use an IM2 ISR to make noise while things happened ... can do with regards to syncing music to stuff on screen in ...
    SnakeOilSteve SnakeOilSteve March 2011 Development
  • 128k sound effectsCan anyone supply a short routine for producing 128k sound effects. All I am looking for is a laser sound and an explosion. Thanks Derek

    ... is simplicty itself. Use an IM2 vector to update the sounds. Use a ... of your choosing to affect the registers. As to producing the desired ... />
    You're not going to get anything much simpler - but ... and don't use an IM2 routine to update the AY.
    cyborg cyborg August 2004 Development
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... /> Original game after start set IM2 vector to value #3A = crash on all ... models. I fix this value to #3B.
    velesoft velesoft January 2012 Games
  • Was there an Emulator featuring RamTurbo Interface?IIRC, there was one Emulator which offers an Joystick Interface Hardware Option as "RamTurbo Interface" from Ram Electronics Ltd (UK) [url="https://w…

    ... : It forces Databus-Part of IM2-Vector to be 224. Instead of 255 ...
    Luzie Luzie January 2022 Emulators
  • Was there an Emulator featuring RamTurbo Interface?IIRC, there was one Emulator which offers an Joystick Interface Hardware Option as "RamTurbo Interface" from Ram Electronics Ltd (UK) [url="https://w…

    ... : It forces Databus-Part of IM2-Vector to be 224. Instead of 255 ...
    rich_chandler rich_chandler January 2022 Emulators
  • z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…

    ... , 257); // initialize 257-byte im2 vector table with all 0xd4 bytes ...
    //copy backbuffer to screen
    LDIR
    ; ROM routine, read keys ... org 65024

    ; pointers to interrupt routine.

    defb ...
    slenkar slenkar October 2013 Development
  • How can I see how long it took for IM2 to runHow can i see how many cycles it took for my interrupt routine to run, is there some way with Spectaculator debugger etc to see how long it has taken…

    How can i see how many cycles it took for my interrupt routine to run, is there some way with Spectaculator debugger etc to see how long it has taken from entering the IM2 routine to RETI
    robpearmain robpearmain October 2004 Development
  • Write to ROM=crash?I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say: "Happily no check is ma…

    I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say:
    "Happily no check is made as to whether ROM or RAM is addressed."

    Does this mean that pushing a value when SP
    Unique Unique February 2005 Development
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... assumes that you know how to install a z88dk installation ... com/2010/02/09/introduction-to-z88dk-part-1-installation- ...

    // Attach C Variable to data Declared in ASM at ... [];


    // Memory to define the background.
    uchar ...
    Timmy Timmy January 2012 Development
  • Beepola vector tablesWhat are the 'interrupt vector tables' at FE00? Is it interfering with my other routines at 65000 onwards? will setting the IVT to ROM make any di…

    What are the 'interrupt vector tables' at FE00?

    Is it interfering with my other routines at 65000 onwards?

    will setting the IVT to ROM make any difference?
    daveysludge daveysludge November 2013 Development
  • Basic and AY musicis it possible to play an ay-music in background while a basic program is running?

    ... /> ORG SETUP ; code fits before IM2 vector routine

    DI< ... BC,257
    LD A,VECTOR ; IM2 vector
    LDIR
    LD ... to look at table at HIGHBYTE * 256 then get IM2 vector as VECTOR *256 + VECTOR ... some trick with using the ROM to JR but I really can ...
    cyborg cyborg January 2003 Sinclair Basic
  • Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…

    ... error messages, the ROM is identical to the ROM in the 1985 Spanish ... Spectrum. There are no changes to the program code apart from ... .g. it jumps to the non-existent ROM-paging routine at $5B00 ... used the previously empty ROM as an IM2 vector still worked and I ...
    Geoff Geoff June 2005 Sinclair Miscellaneous
  • ZX128/+2 unrainer (HAL10H8)[url]http://velesoft.speccy.cz/zx/umbrella/umbrella.htm[/url]

    ... I is modify to #39 value and IM2 vector table(last 2 bytes ... ) is copy to low 16kB(to ZX rom ... videoram+rom
    Next NMI version will contain too return to correct ... MB02 page(return to page before ...
    velesoft velesoft August 2008 Hardware
  • ZX128/+2 unrainer (HAL10H8)[url]http://velesoft.speccy.cz/zx/umbrella/umbrella.htm[/url]

    ... I is modify to #39 value and IM2 vector table(last 2 ... bytes) is copy to low 16kB(to ZX rom ... Germany it was not possible to get PALs - one ... can be happy to get new GALs ... unfortunately ... FPGAs or who like to make very simple logic ...
    ingo ingo August 2008 Hardware
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... />
    ; -----------------------------------------------------------------------------
    ; ROM ROUTINES, SYSTEM VARIABLES and CONSTANTS ... ; ...goes into the interrupt vector
    im 2 ; ... 56

    ; im2 jump to routine
    org 0xfff4
    chev chev May 2009 Development
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... games use incorrect IM2 vector = register I is set to #39 or ... machines is in 48 rom this area rewrite with ... If register I will rewrited to value #3B then games ... basic via MERGE "". Insert to last basic line before ... problem, I register is set to #3A
    True ...
    velesoft velesoft August 2009 Games
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... in +2A mode with all rom versions (4.0, 4.1 ... I register to value 0 and is used IM2 table with rom data ... #0-#100. But ZX rom contain ... possible connect to ZX bus "K-MOUSE 2008" interface (contain IM2 vector stabilizer)
    velesoft velesoft September 2009 Games
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... ? Original MB02+ support up to 512kB rom (or flash eprom - exist ... extra RESET with possibility jump to adr. #0 without automatic ... I can help you)
    - IM2 vector stabilisation (switch on board)
    rom+512kB ram and support up to 8 virtual ...
    velesoft velesoft September 2010 Hardware
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... extra RESET with possibility jump to adr. #0 without ... - readable paging port
    ...
    - IM2 vector stabilisation (switch on board)
    rom+512kB ram and support up to 8 virtual ... one device it seems to me to be more an emulator ...
    ingo ingo September 2010 Hardware
  • DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…

    ... with 512K CF Card, ready to go.
    First impressions ... crash when I start to play them on my ... Bomb Jack game use IM2 vector in ZX rom. But +2A/+2B ... models use modified ZX rom and some games crash. ... eprom and reflash +2B rom with rom from original ZX128 model ...
    velesoft velesoft September 2010 Hardware
  • DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…

    ... Bomb Jack game use IM2 vector in ZX rom. But +2A/+2B ... eprom and reflash +2B rom with rom from original ZX128 model ... get any version of Bombjack to work on my 128 - ... It always crashes back to the DIVIDE screen when the ... 1st level is about to start.
    I ...
    daznic daznic September 2010 Hardware
  • DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…

    ... ]Bomb Jack game use IM2 vector in ZX rom. But +2A/+2B/+3 ... models use modified ZX rom and some games crash. You ... )[/QUOTE]

    I tried to load "Towdie.tap" on couple ...
    Pegaz Pegaz September 2010 Hardware
  • DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…

    ... ]Bomb Jack game use IM2 vector in ZX rom. But +2A/+2B/+3 ... models use modified ZX rom and some games crash. You ... />
    This is correct link to archive with fixed games:
    velesoft velesoft September 2010 Hardware
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... addresses in instructions to relocate code to a new address)< ... itself has code in ROM to emulate the BSD socket ... programs have been known to use it to store state. However ... enough memory to support more than one im2 vector table. Additionally, IM2 is ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…

    ... DivIDE 32kBram+8kB rom. This way enable installation up to 16 different ... DivIDE plus contain also 512kB rom = on DivIDE Plus is ... used 16kB ram/rom paging instead original ZX rom. RESIDOS need ... Always return value #FF for IM2 vector
    3) add reset button ...
    velesoft velesoft May 2011 Hardware
  • AY DetectionOff the top of their heads, does anyone know how Exolon detects that an AY chip is present? Reading and writing from the PSG registers seems to work…

    ... looking at things on my to do list :-)
    ... 1982 48K rom is different to 1986 48K rom, at least ... front of a mchine to check right now, ... IM2 vector table), and this Exolon problem, what ROM would be the best to ... happier if it is a rom byte detection issue.
    csmith csmith July 2011 Emulators
  • general beginner queriesHi, I bought myself recently a +3 and a devide extension. I was not in touch before with the speccy, but I am really surprised and delighted about th…

    ... bad coded games with incomplete vector interrupt table.[/QUOTE]

    to three buttons + autofire)
    - fix stability of data bus with IM2 vector ... #7FFD (detect ram page, videoram, rom ... )
    - new version of K ...
    velesoft velesoft July 2011 Hardware
  • PC ZX Parallel interfaceIs any working PC<->ZX interface based on LPT cable implemented ? I know that DR.Beep were posting about such solution long time ago, but I could not…

    ... .
    Not used part of ROM = typical IM2 vector table area ?

    to
    make output/input go ... to/from PC.

    Even ...
    Dr BEEP Dr BEEP November 2011 Hardware
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    BAD DREAM game use incorrect IM2 vector tables in ZX48 rom and crash if +2A/+3 roms is used. Here is fixed version (unpacked - ready for translation to english...):
    [url]http://velesoft.speccy.cz/other/games-+2a-fixed_im2.zip[/url]
    velesoft velesoft December 2011 Games
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
im2 709 1.1K
vector 1.2K 1.6K
to 549.6K 1.6M
rom 15.6K 29.7K

Related Threads

  • Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here)<br /> <br /> in fact, I want to accelerate a car towa…
  • Now seems to be a good time to add to your collectionsI have bought a few spectrum items to add to my collection recently, had i bought them a year or two ago they would have cost double. This is one of …
  • Update to Image to ZX Spec to 1.3.1I'm inbetween jobs at the moment and felt the need to add a new feature - the ability to export anim gifs.<br /> <br /> [IMG]https://lh6.googleuserco…
  • Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi,<br /> <br /> I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k).<br /> But when I …
  • Alternative to Poke 23659,0 to prevent a 'break in' to a Basic Program.Good morning everyone,<br /> <br /> My memory fails me these days but in the early days of programming I used to use Poke 23659,0 as a crude way of…
  • How to download games to micro sd card to play on Sinclair zx spectrum vegaHello<br /> Could anyone tell me how to download games from a website to a micro sd card to play on a Sinclair zx spectrum vega , I mean do I use a …
  • 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…
  • A game to port to... to make for... ZX Spectrum ?Hey there,<br /> <br /> I'm a game coder on Commodore computers (C64,CPlus/4,VIC20,Amiga) and I loooove the ZX Spectrum.<br /> I grew up with Comm…
  • How to copy file from tape (*.tap) to disks (*.dsk) ?I am using zx32 with win98 and i want (in the emulate +3) copy files from virtual tapes to virtual disks.<br /> <br /> I use =&gt; load "NameOfFile" …
  • how to make a (protected) .DSK to disk transfer ?I know how to make file transfers between .DSK files and physical disks (logical copy).<br /> <br /> However, how can be done a physical sector trans…

Related Searches

  • betadisk rom
  • betadisk rom line
  • alternative rom
  • rom to ram
  • tap to rom
  • rom to tap
  • cartridge rom to tap
  • interface 2 rom to tap
  • how to make a diagnostic rom
  • im2 16k rom
  • im2 rom
  • rom to tape
  • eprom to replace rom
  • standard rom multiload to disk
  • 128k im2 rom 3900
  • 128k im2 rom 39
  • 128k im2 rom 3a
  • coverting pictures to vector
  • im2 vector
  • write to rom

Copyright © 2024 World of Spectrum