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  • Electronic listings from Spectrum Shadow ROM Disassembly?I've been reading [url="https://spectrumcomputing.co.uk/index.php?cat=96&id=2000371"]Gianluca Carri's Spectrum Shadow ROM Disassembly[/url] book (Wor…

    ... "]Gianluca Carri's Spectrum Shadow ROM Disassembly[/url] book (World of ...
    JamesYoungman JamesYoungman December 2020 Development
  • Multiface 3 hacked rom?Hi, I need to transfer some games on the +3 disk drive using my MF3. I know you need to have the MF3 pluged in in order to load the games afterwa…

    ... some kind of "hacked" MF3 rom that has this lock removed ...
    gtsamour gtsamour September 2021 Hardware
  • New (latest) Version of #CSpect: SpecNext Emulator for Windows, Linux and OSX by Mike DaillyNew latest Version of #CSpect: SpecNext Emulator for Windows, Linux and OSX by Mike Dailly V2.15.2 As seen on Facebook yesterday: [quote]Mike D…

    ... direct paging control
    Current ROM and DivMMC registers added to ... need for this.
    Updated RST$08 read/write to return ...
    Luzie Luzie March 2022 Emulators
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ...



    ;REPORTBc RST 08H ; ERROR-1
    ; .DB ... />
    ;; Ported from the ZX ROM PIXEL-ADD routine

    rtunes rtunes October 2001 Sinclair Miscellaneous
  • Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…

    ... ,23756
    LOOP CALL STACKBC ; ROM Routine to stack BC
    CALL PRINTSTACK ; ROM Routine to print last value ...
    JR C,NOPR
    RST 16
    NOPR INC BC ...
    LD A,13
    RST 16
    JR LOOP
    Dr BEEP Dr BEEP July 2002 Sinclair Miscellaneous
  • 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 ... you do not protect the ROM-adresses in your emulator then ... be overwritten due to a ROM-error placing last value of ...
    Dr BEEP Dr BEEP July 2002 Sinclair Miscellaneous
  • TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…

    ... on 2002-12-19 22:38 ]
    [/quote]

    The ... on-line, and possibly its ROM as well.

    If ...
    Sparky Sparky December 2002 Sinclair Miscellaneous
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…

    RUN goes to ROM-routine at #1EAC,

    ... />
    LD A,65
    RST 16 ; PRINT A
    JP ...
    Dr BEEP Dr BEEP March 2003 Sinclair Miscellaneous
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…

    ...
    JR Z,PRINTREADY
    RST 16
    INC HL
    JP CONTINUE-IN-ROM

    ERRORMESSAGE:
    DEFS ...
    Dr BEEP Dr BEEP March 2003 Sinclair Miscellaneous
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…

    ... /> STMT-RET in the ROM (don't know the ... /> JR Z,PRINTREADY
    RST 16
    INC HL
    JP CONTINUE-IN-ROM

    ERRORMESSAGE:
    By CONTINUE-IN-ROM you mean CONTINUE statement at ... taken form online Spectrum ROM Disassembly since my hard ...
    MrShhh MrShhh March 2003 Sinclair Miscellaneous
  • Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…

    ... /> STMT-RET in the ROM (don't know the ... /> JR Z,PRINTREADY
    RST 16
    INC HL
    JP CONTINUE-IN-ROM

    ERRORMESSAGE:
    By CONTINUE-IN-ROM you mean CONTINUE statement at ... taken form online Spectrum ROM Disassembly since my hard ...
    Dr BEEP Dr BEEP March 2003 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 …

    ... device that contained the ZX81 ROM. The ZX Spectrum would start ... from ZX81-ROM and perform the memory ... read #4000+Start_in_RAM_Spectrum

    RST 8 needs to make a ... 35% thanks to translating major ROM-routines like CLS etc...
    Dr BEEP Dr BEEP July 2003 Sinclair Miscellaneous
  • AssemblersOk, two quick questions for you guys: 1) Can anyone give me a link to the Prometheus Assembler ? 2) Does anyone know of an assembler that satisfies …

    ... in easy when coding new ROM)

    Further : controls as ... zero
    inc hl
    rst 16
    jr loop
    Dr BEEP Dr BEEP August 2003 Sinclair Miscellaneous
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ... included with Spin but the ROM is not included due to ... to find the "multiface 128 rom" for yourself. It needs to ...
    BadBeard BadBeard August 2003 Sinclair Miscellaneous
  • Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…

    ... this is a single-byte RST instruction that performs a subroutine ... the Z80 will execute a 'RST 0x38' which is a subroutine ... you can't change the ROM code there.

    IM ...
    Alcoholics Anonymous Alcoholics Anonymous September 2003 Development
  • WOS and it's futureI just got into a good old fashioned argument with some guy on another forum about WOS. Basically I recommended this site for games, and this guy cam…

    ... /> On 2003-11-28 21:38, mel the bell wrote:
    rom archive, he does go out ... BS 'you must delete this rom after 24 hours if you ...
    Sadako Sadako November 2003 Sinclair Miscellaneous
  • 42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…

    ... START the scanningroutine from the rom is invoke, making the calculatorstack ... something with it i.e RST 16
    INC DE
    Dr BEEP Dr BEEP March 2004 Development
  • Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…

    ... efficiently translated into machine code. RST 16 is the call for ... the PRINT routine in the ROM it is subject to the ... by certain variables in the ROM - and the top and bottom ...
    cyborg cyborg March 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    ... /> No. On power up the ROM puts the z80 in im1 ... a restart to $38. The code at $38 reads the keyboard and ... depends on the ROM's isr at $38 running and is just ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Development
  • +D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…

    ... into 8K-16K, overlying the ROM and then jump to "lltrap ... the load was successful). The RST#18 is jlo's way ... time so that the Spectrum ROM reappears in the 0-16K ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Sinclair Miscellaneous
  • ZX Spin v0.501 out nowStill a test version folks, but this is pretty good stability wise, if I may say. Though I suspect that you're all going to prove me wrong :-) An…

    ... /> On 2004-07-08 09:38, Lee Tonks wrote:
    Quite ... also still getting the '48.rom file not found message' described ... directory and got the '48.rom' problem unless I went to ...
    Marko Marko July 2004 Emulators
  • ZX Spin v0.501 out nowStill a test version folks, but this is pretty good stability wise, if I may say. Though I suspect that you're all going to prove me wrong :-) An…

    ... /> On 2004-07-08 09:38, Lee Tonks wrote:

    rom bug. The result of my ... fixing the old rom bug was that the snaps ... failed and the rom bug came back.

    Dunny Dunny July 2004 Emulators
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... ;interrupts. Jump to 0056 in ROM
    jp 56 ;for smooth ... on 2004-08-26 11:38 ]

    [ This Message was ...
    robpearmain robpearmain August 2004 Development
  • I need ASM for random numberI need to generate a random pair of coardinates in asm so that x=random no between 0 and 31, y=random no between 0 and 23. Any ideas on how to code …

    Hi,

    You could use this one if someone founds out why it returns with a Integer Out of Range error. :(

    [code]

    ORG 32768
    LD HL, (23672)
    LD (_RANDOM_SEED), HL ; Initialize the seed for random ...
    horace horace September 2004 Development
  • RZX for Sabre WulfI was just about to send an RZX for Sabre Wulf to the RZX Archive when I noticed they don't accept Ultimate's (and other companies' who haven't given…

    ... /> On 2004-10-05 10:38, Philip Kendall wrote:
    May ... code game actually uses the ROM function for getting pseudo-random ...
    J?rg Pleumann J?rg Pleumann October 2004 Games
  • +2A "Ghost" programHi all - first time posting here, so I'll do a quick background - I was a (far too) dedicated 48k and +2A gamer in my younger days. Thanks to the mi…

    ... /> On 2004-10-22 18:38, MattLamb wrote:
    Sounds like ... is resolve any caused by ROM differences.

    One of ... you to put a new 'ROM' in the lower 16k.
    cyborg cyborg October 2004 Games
<1…11121314151617…34>

Latest Posts

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