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<1…17181920212223…34>
  • Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…

    ... added by the ROM saving routine adding an additional edge shortly ... in audio2tape as a 1ms pause after the ROM block followed ... by a dedicated pause block with the remaining pause but I should ...
    Fred Fred April 2011 Emulators
  • Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…

    ... of the times the saving routine explicitly generates such additional pulse ... finished. For example, the ROM routine uses 945 T high tail ... they mess with the following pause or pulse blocks (which is ... replacing the noise with the pause equal to the sum of ...
    Patrik Rak Patrik Rak April 2011 Emulators
  • Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…

    ... the times the saving routine explicitly generates such additional ... For example, the ROM routine uses 945 T high ... mess with the following pause or pulse blocks (which ... the noise with the pause equal to the sum ... of a 1000 or 2000ms pause :-o.


    Andrew Barker Andrew Barker April 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... out by your average z80 assembler. Indeed, you could, if you ... any other z80 machine code routine would be... Im really basic ... tools to do that. SjAsm assembler will compile directly to .SNA ... you are lucky enough, your assembler will already allow you to ...
    kgmcneil kgmcneil April 2011 Emulators
  • Musician needed!An old "classic" game had a tune in it which didn't sound too good. The beeps below should give you a clue as to which program I'm talking about... […

    ... $AF52. There is a DELAY routine at $AFA2.
    [*]After ... like the ROM BEEPER routine. HL refers to frequency ... 275264,4.2397728
    770 PAUSE 16

    ... ,-0.85601638
    800 PAUSE 16
    810 BEEP ... 275264,4.2397728
    880 PAUSE 16
    [/CODE]
    Jimmy Jimmy May 2011 Games
  • Musician needed!An old "classic" game had a tune in it which didn't sound too good. The beeps below should give you a clue as to which program I'm talking about... […

    ... BEEP .3,4
    390 PAUSE 16 : BEEP 0.2,-1 ... right about using the BEEPER routine. Unfortunately because IY and IX ...
    Jimmy Jimmy May 2011 Games
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... the PropSys routine it would be easiest to extract the assembler listing ... did for the other PrintPR routine to work with PropSys.
    routine, and of course there's ... Samuels who did the original routine all those years ago.
    Battle Bunny Battle Bunny May 2011 Sinclair Basic
  • 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![…

    ... the Windows version of Zeus Assembler to make the binary and ... hoping to have the display routine interrupt driven and have the ...
    kphair kphair 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![…

    ... the Windows version of Zeus Assembler to make the binary and ... /> i'm using my own assembler (ah, it's easy to ... hoping to have the display routine interrupt driven[/i]
    the ...
    Ketmar Ketmar May 2011 Development
  • Which Spectrum Game Pushed The Machine To It's Limits? 128kWhere Time Stood Still? Chase HQ? Robocop? Suggestions?

    ... on the spectrum itself, with assembler typed
    >into rem ... Masochists... or they typed the assembler compiler from Marshal Cavendish's ... number and issue that particular routine was printed in. Maybe BattleBunny ...
    Hercules Hercules May 2011 Games
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... you try this with your routine:

    FOR a=50 ... #4;AT a,50;"nop": PAUSE 50: NEXT a

    Battle Bunny Battle Bunny May 2011 Sinclair Basic
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... it at the end (my routine doesn't use any pushs ... I need to make a pause of cca. 17 t-states ...
    tstih tstih May 2011 Development
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... you try this with your routine:

    FOR a=50 ... #4;AT a,50;"nop": PAUSE 50: NEXT a

    routine would do in that case ...
    Timmy Timmy May 2011 Sinclair Basic
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... you try this with your routine:

    FOR a=50 ... #4;AT a,50;"nop": PAUSE 50: NEXT a[/quote]
    routine would do in that case ... was a bug in my routine. It clears only the area ...
    chev chev May 2011 Sinclair Basic
  • Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …

    [QUOTE=Einar Saukas;539919]Did you reverse-engineer the [B]Frank N Stein[/B] code back to MCODER BASIC? Impressive![/QUOTE]
    I am finishing off a guide on decompiling :smile:

    Actually there's quite a few more bugs in this program :sad:
    Jimmy Jimmy May 2011 Games
  • Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …

    ... ;539963]On further investigation the routine at line 1200 is CALLed ... 'm just sorting out an assembler listing so I can fix ...
    Battle Bunny Battle Bunny May 2011 Games
  • Loader help please (and a suggestion)I posted in my "Wicker Woman" thread that I was having problems creating a loader, but I think this is a more appropriate place to post. I've had go…

    ... s using the LD-LEADER routine in the ROM which ... sets the channel S output routine address to point to 096F ... go to 100
    105 PAUSE 10

    You ... go to 100
    105 PAUSE 10

    There ... "Press a key"
    105 pause 0
    ?

    ...
    The Lone Magpie The Lone Magpie June 2011 Sinclair Basic
  • MicroSpeech Entry PointsHello Hardware Guys, Do any of you have any information regarding the MicroSpeech ROM. In particular: 1) Do you know what addressess cause it to p…

    ... ]
    10 LET S$="HELLO" : PAUSE 1 : PRINT S$
    [/code ... is an an interrupt service routine that reads and updates S ... corrected however as removing the PAUSE 1 sometimes still shows the ...
    BloodBaz BloodBaz June 2011 Hardware
  • A Pointless Propotional Font demoSomething I've made the last couple of days, which is probably completely pointless, but might be a bit amusing. It's also not worthy of posting thi…

    ... a not so very good assembler programmer like me it's ... easier to borrow an existing routine and modify on it.
    routine than the GAC interpreter. :) So ...
    Timmy Timmy June 2011 Development
  • What's that poke again?Can any of you kind souls remind me of that poke that stops the header info "Bytes: whatever" buggering up the loading screen of a game?

    ... alter the channel S output routine address in the CHANS area ... 23739,111 changes the output routine address to jump to a ... ; pause. A channel definition block consists of a 2-byte output routine ... address + 2-byte input routine address + 1- ...
    Battle Bunny Battle Bunny June 2011 Sinclair Basic
  • 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…

    ... like this in the generated assembler: "ld hl,(struct_base_address + offset)". The ... , page in, jump to banked routine) and possibly for long pointer ...
    Alcoholics Anonymous Alcoholics Anonymous June 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…

    ... like this in the generated assembler: "ld hl,(struct_base_address + offset)". The ... , page in, jump to banked routine) and possibly for long pointer ...
    csmith csmith June 2011 Development
  • Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…

    ... of an alternative error handler routine which jumps to the specified ... in the [thread=30538]+3 assembler question[/thread] thread. It also ... address of the m/code routine; eg. if 'mctrap' contains ... the address of the routine, then:

    [code]< ...
    Battle Bunny Battle Bunny July 2011 Development
  • Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…

    ... of an alternative error handler routine which jumps to the specified ... in the [thread=30538]+3 assembler question[/thread] thread. It also ... address of the m/code routine; [/QUOTE]I think I understand ... will call the error trap routine and send you back into ...
    Timmy Timmy July 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…

    ... precompiled piece of music playing routine at, say 50000.

    assembler was like a breath of ...
    Timmy Timmy July 2011 Development
  • Birthday PlotsHello all; When browsing the web, I stumbled across an oddity known as Birthday Plots. In effect somebody enters a numeric date and the computer prin…

    ... my Spectrum version of that routine:
    [code]
    10 DIM ... PRESS SPACE BAR";
    340 PAUSE 32000
    350 GO TO ...
    Battle Bunny Battle Bunny July 2011 Sinclair Basic
  • automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …

    ... as part of the relocate routine and then CALL it. Maybe ... point out that z80asm, the assembler in z88dk, can produce relocatable ... the beginning of the relocator routine so the relocation is only ...
    Alcoholics Anonymous Alcoholics Anonymous August 2011 Development
  • Best way to read a key row?Hi All, I must confess that reading the keyboard is the bit I understand least about when coding, I've found some things that work for what I want t…

    ... do some sort of PAUSE 0 in assembler), you may want to ...
    mcleod_ideafix mcleod_ideafix August 2011 Development
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... done by a keyboard handling routine written in ROM, not me ... what does the keyboard handling routine written in ROM do?
    assembler to fully understand it (by ... the way, which assembler was that - NASM, MASM, TASM ...
    PeterP PeterP August 2011 Emulators
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... be a full screen input routine and to this end I ... self explanatory but basically the routine provides:

    [LIST]
    Paddy Coleman Paddy Coleman August 2011 Sinclair Basic
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