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  • ANN: midi2ay 0.1Well, here's the MIDI-to-AY converter I promised. I've named it "midi2ay" (original name eh?) [url="http://es.geocities.com/qllaria/midi2ay/midi2ay-…

    ... , yeah I tried using the assembly listing and adding a RET ... the end of the fin routine, but it still just crashed ...
    mulder mulder December 2005 Development
  • 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

    ... simple PRINT statement, assuming that you don't call a ROM routine ...
    Dunny Dunny January 2006 Sinclair Basic
  • 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

    ... uses run-times. So one PRINT command would take 100s of ... bytes, but two PRINT commands would take 100s of ... the day it compiles a PRINT statement to a (possible) load ... calculations and then CALLs the PRINT routine.

    [quote]
    On ...
    Dunny Dunny January 2006 Sinclair Basic
  • Jinxter/The Pawn/Guild of TheivesI'm not sure it's been entirely heatlthy but these magnetic scrolls games had a massive affect on me as a kid. Does anybody know what 'font' they us…

    ... using its own proportional printing routine and character set. It's ... 'd have to disassemble the print routine to find out where the ...
    Battle Bunny Battle Bunny January 2006 Games
  • Funniest Spectrum-related memorySeeing the emulated loading screen on the Dreamcast speccy emulator reminded me of something from many moons ago. I was in the local computer shop w…

    ... tried to type in an assembly listing from a book! :D ... in the asm for a routine that did overscan bars in ...
    icabod icabod January 2006 Sinclair Miscellaneous
  • Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …

    ... the beeper and sometimes the print screen routine for menus.

    routine for up to 6 peripherals ... will be grabbing the IM2 routine address from.

    ... are they enabled) that the routine would seem to operate normally ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Sinclair Basic
  • Timex 80 column display driverI subsequently wrote an 80 column font driver for 512x192 mode.

    ... ) ; ix = address of char print routine
    ld hl,(nextdfile) ; ... next time use col1 to print
    ld (nextstate),hl< ... next time use col2 to print
    ld (nextstate),hl< ... next time use col0 to print
    ld (nextstate),hl< ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Development
  • Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]

    ... bit like the classic 10 PRINT routine but more hassle to type ...
    dm_boozefreek dm_boozefreek April 2006 Chit chat
  • 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 ... call a drawimage machine code routine passing in the x,y ...
    Kiwi Kiwi April 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…

    ... use the sprite engine to print scores, for example. But I ... optimizations in the move sprite routine that tries to avoid making ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • Wanted: Game Ideas!Ok then here goes nothing. I'm a reasonably good programmer, but I'm really no good at coming up with game ideas and graphics. So if any of you have…

    ... tile and sprite routines but print routine for 40 char per line ...
    Fikee Fikee April 2006 Development
  • New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…

    ... statements. I'm using a routine that displays/moves/animates the ... the user can use whatever routine they like.

    [quote ... so that sprite commands using PRINT USR statements can be written ...
    Dunny Dunny April 2006 Emulators
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... set up our own interrupt routine and another way is to ... latter here with some inline assembly because we're not quite ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • Checksum RoutinesHi there everybody, Does anyone have an 'off the shelf' assembler routine for generating checksums? Thanks Jim

    Here's a routine that'll calculate a 24 ... an example calling routine. If you call it with PRINT USR, it ... .
    call checksumsub ; Call the routine.
    ld bc,(checksum) ; Put ...
    Matt_B Matt_B May 2006 Development
  • Machine Code noviceHi, I'm starting to learn machine code and wanted to know if you have to use some sort of program to write machine code? Thanks,

    ... memory and run with a PRINT USR xxxxx command - you're ... turns instructions you write in assembly language into the binary code ...
    Matt_B Matt_B June 2006 Sinclair Basic
  • 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 ...
    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 …

    ... probably the print statements. [/QUOTE]
    hm, a short MC routine could ...
    Fikee Fikee 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 ... program and found the checksum routine at address $723B. The Z80 ... unused 32-bit CRC checksum routine.
    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…

    ... to invoke the LOOKVAR ROM routine to discover where a variable ... beginning with "zx_". These are assembly functions that can read and ...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Development
  • Playing Denied Ultimate GamesHmmm, maybe this belongs in Emulators but it is game specific. Just been leafing through Games(TM) in Smiths and there's an article about a (strong)…

    ... want to be able to print directory listings easily in Explorer ... ended up using a Perl routine to run in the DOS ...
    Count Count August 2006 Games
  • How to speed up TZX loading (emu development)With many newer emulators there are options to do faster loading schemes, even for turbo-loader or protected loader blocks in TZX files. For example,…

    ... have a generic loader detecting routine (also based on B being ... a little wrong! Luckily conditional assembly has that "feature" compiled out ...
    Woody Woody August 2006 Emulators
  • 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…

    ... 't work :( I want to print "Test" to location 5,5 ... is a lower level string print routine that does not do any ...
    Alcoholics Anonymous Alcoholics Anonymous August 2006 Development
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... . I've programmed both in assembly and even though it takes ... weren't optimal, the drawing routine wasn't optimal or it ...
    JamesD JamesD September 2006 Sinclair Miscellaneous
  • 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 ... have bad RAM. The ROM routine to check RAM doesn't ...
    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…

    ... code your own routines for PRINT etc. Assembly language programs required a ...
    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…

    ... code your own routines for PRINT etc. Assembly language programs required a ...
    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…

    ... code your own routines for PRINT etc. Assembly language programs required a ... program lines, command interpreting etc. Print via RST 16 is one ...
    piters piters 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…

    ... replace the Basic style sub-routine that relied on easily corruptible ... , then they should focus on Assembly for inventing the unconditional jump ...
    CP/M User CP/M User 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…

    Back in the day I used the print routine from the Horizons cassette (as used in instances like 'STOP THE TAPE'). It's not fast, but it allows you to center text.
    Paul van der Laan Paul van der Laan October 2006 Development
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