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<1…14151617181920…34>
  • Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks

    ... of bytes, but two PRINT commands would take 100s of ... correctly without the original ROM in place so I ... am seriously considering a two ROM approach to any future ... it if the original ROM is present when any ... be called from the old ROM. The only thing necessary ...
    speccy8 speccy8 March 2006 Sinclair Basic
  • how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…

    ... image in table
    60 PRINT USR 30000

    This ... .

    If your calling ROM functions then you need to ...
    Kiwi Kiwi April 2006 Development
  • how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…

    Short by heart

    PRINT USR NN,ARG1,ARG2 etc< ... .CO.UK for position in ROM )
    RST #18
    CP ...
    Dr BEEP Dr BEEP April 2006 Development
  • Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]

    ... ] in that time, patched the ROM, etc... :o

    When ... ability to return 8 as PRINT VAL ("5+3") over VB ...
    Marcelo Marcelo April 2006 Chit chat
  • Broken SpectrumJust found out that both of my +3s have died. :( Seems to be the same problem with both, that the disk-drive just doesn't want to spin anymore. An…

    ... a memory location passes the ROM test (assuming it does?) it ... reset the puter, and type PRINT USR "A" in 48 AND ...
    DEATH DEATH April 2006 Sinclair Miscellaneous
  • Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …

    ... 'through' to the Spectrum 16K ROM in the 8K-16K range ... directly to the upper Spectrum ROM.

    I tried this ... on ZZSpectrum with Interface 1 ROM and with other emulators.
    PRINT i, PEEK i; TAB 24 ...
    Geoff Geoff May 2006 Hardware
  • Who is Andrew Pennell?According to the [URL="http://www.worldofspectrum.org/whatsnew.html"]What's New[/URL] page, Andrew Pennell has granted distribution of his software. …

    He also wrote 'Print Utilities' for Sinclair Research and ... issue of the Interface 1 ROM. His permission letter mentions his ...
    Geoff Geoff May 2006 Sinclair Miscellaneous
  • compilerI am currently developing a sudoku game for the old faithful speccy. My idea is to write the code in basic and then compile it to m/c because i suck …

    ... using PRINT then you are out, probably every compiler uses ROM routine ... , not a formule 1 (massive ROM calling)
    Fikee Fikee June 2006 Development
  • compilerI am currently developing a sudoku game for the old faithful speccy. My idea is to write the code in basic and then compile it to m/c because i suck …

    ... speed to a Basic compiled PRINT (probably faster) but then PRINTing ... times
    faster than the ROM (which compiled Basic tends to ...
    Alcoholics Anonymous Alcoholics Anonymous June 2006 Development
  • Checksum RoutinesHi there everybody, Does anyone have an 'off the shelf' assembler routine for generating checksums? Thanks Jim

    ... checksum program works fine.
    'PRINT PEEK 8007' gives the result ... the emulator to fail the ROM check in the Sinclair Research ... pass if there was one ROM byte different?
    I ... is that the first Interface1 ROM, written by Dr. Logan contains ...
    Geoff Geoff July 2006 Development
  • The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…

    ... you get a screengrab (alt-print-scrn, paste into a paintpackage ... one - it's a standard ROM loader in 48k+ mode, and ...
    Lee Tonks Lee Tonks July 2006 Emulators
  • Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…

    ... /> "Rubber Numbers in the Spectrum ROM" - a very helpful article.
    CALL $2DE3 ; print result and remove from stack ...
    Geoff Geoff July 2006 Development
  • Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…

    ... from BASIC with a PRINT USR, it should print the address of ... : Ah, no! Just read the ROM Disassembly - I have to actually ...
    trellis trellis July 2006 Development
  • z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…

    ... read a key, fputc_cons to print an uninterpretted character, puts_cons to ... print a string and getk to ... not rely on the spectrum ROM or interrupts, and scans ... -contained and independent of the ROM. A fast function.
    < ...
    Alcoholics Anonymous Alcoholics Anonymous August 2006 Development
  • CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…

    I compiled this list of ones that I had come across for css. However they are more an indication of last-minute changes than any poor standards. The book remains one of the best manuals ever.
    The ZX81 manual had a minor error in the RND explanation ...
    Geoff Geoff September 2006 Sinclair Basic
  • Microdrive gamesI saw a few Spectrum games on Ebay recently which were advertised as being in the microdrive format, they even had a photo of the cartridge with a la…

    ... onto a microdrive and then print out a label and box ... just had cassettes, a few ROM cartridges and a few +3 ... onto a microdrive and then print out a label and box ...
    microdrive microdrive September 2006 Games
  • Microdrive gamesI saw a few Spectrum games on Ebay recently which were advertised as being in the microdrive format, they even had a photo of the cartridge with a la…

    ... onto a microdrive and then print out a label and box ... just had cassettes, a few ROM cartridges and a few +3 ...
    Rainbird Rich Rainbird Rich September 2006 Games
  • RAM chips are 4164s and 4564s interchangeableI paid for some 4164s online, for upgrading my Spectrum 16K to 48K, and I've been given 4564s. I've tried these along with the correct logic ICs and …

    ... up properly If so, type PRINT USR "A" and you should ... still have bad RAM. The ROM routine to check RAM doesn ...
    DEATH DEATH September 2006 Hardware
  • Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…

    ... not going to utilise the ROM routines (and thus lose the ... code your own routines for PRINT etc. Assembly language programs required ...
    Dunny Dunny September 2006 Sinclair Miscellaneous
  • Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…

    ... not going to utilise the ROM routines (and thus lose the ... code your own routines for PRINT etc. Assembly language programs required ... stores numbers. Also, although the ROM routines generally aren't the ...
    Matt_B Matt_B September 2006 Sinclair Miscellaneous
  • Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…

    ... not going to utilise the ROM routines (and thus lose the ... code your own routines for PRINT etc. Assembly language programs required ... /> Even if using lot of ROM calls MC is much faster ... program lines, command interpreting etc. Print via RST 16 is one ...
    piters piters September 2006 Sinclair Miscellaneous
  • Font centering problemA while back today, I started coding a simple Othello/Reversi game in BASIC, with the precious aid of BASin (great tool, hope it eventually becomes b…

    ... ).

    Of course that Print to desired (vertical) pixel pos ... may draw standard characters from ROM to desired vertical pos - can ...
    piters piters October 2006 Development
  • Currah MicrosourceHi Anyone here got a Currah Microsource ? I have one, its one of the original eval units complete with 'draft' manual. Just interested to see how …

    ... trying to extract the 8Kb ROM from the MicroSource to look ... the same?

    Try PRINT IN 11007 (or whatever exact ...
    Woody Woody October 2006 Sinclair Miscellaneous
  • Currah MicrosourceHi Anyone here got a Currah Microsource ? I have one, its one of the original eval units complete with 'draft' manual. Just interested to see how …

    ... the same?

    Try PRINT IN 11007 (or whatever exact ... the fact that the paged ROM disabled interrupts once the paging ... IN addresses and monitor the rom memory against a copy of ... the sinclair ROM in RAM. If they no ...
    BloodBaz BloodBaz October 2006 Sinclair Miscellaneous
  • How to save TZXGreetings to all. I am starting to move on from just games into some testing of home made programs. Although I could have done that in ancient tapes…

    ... and positioning the print cursor strategically (e.g. PRINT AT 7,0 ... $ 0+"Game"

    Will print Program: as normal but then ... program (in assembly) uses the ROM load routine to load a ... 1366 ; Run load routine in ROM
    jr nc, loader ; If ...
    BloodBaz BloodBaz October 2006 Emulators
  • Print routine for BASIC (or BASin)For anyone interested there's a crappy binary here to print characters from BASIC at pixel positions. Import the binary at 60000, USR 60000 to initia…

    ... columns?
    can we assume print command normally uses a default ... that's present in the ROM. This action, set up by ... not implemented properly in the ROM.

    HTH,

    Dunny Dunny October 2006 Sinclair Basic
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... . The spectrum version calls the ROM editor in "input line" mode ... .

    The return to rom in errors, yes, is the ... poke 30000, 0
    110 print peek 30000
    120 poke ...
    NotFound NotFound November 2006 Development
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... of always jumping to 48K rom mode.

    At the ... omitted and ? is replaced by PRINT. This a feature of the ...
    NotFound NotFound January 2007 Development
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... The examples in the spectrum rom seem to use the register ... window makes sense. Then a PRINT#n can be used to ... print to window n. Special ... me to manually page in ROM 3 and RAM 0, and ... converter if you don't print longs?). There are such options ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • basin & spinWhen a basic program is loaded into Basin from .tzx does it display the real basic underneath or what the basic has been made to look like by the sof…

    ... as


    10 PRINT INT (.5 + .5)

    ROM has minor bugs but loading ...
    Geoff Geoff January 2007 Emulators
<1…14151617181920…34>

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