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<1…23242526272829…34>
  • Russian Pascal CompilerHello,<div><br></div><div>Unfortunately I started a discussion (as OutBush) on the Temporary Forum Board not knowing how long it would be until the W…

    ... S] - 1-dimensional (N) array of string with string length ... .ArrayClear(name_array) - fast clear of array


    ... map- name_arraybyte - name of array with map (1 byte = ... cell distantion from center;- MapVarValue - variable name (byte type) for ...
    Andrew771 Andrew771 June 2015 Sinclair Miscellaneous
  • ZERO Emulator - BugsI have been using Zero emulator to experiment a few routines in assembly, since it has a somewhat usable debugger. However I believe I found a few b…

    ... it like:
    1- address filled, value empty: breakpoint ... address, always
    2- address filled, value filled: breakpoint at address, ... true (condition variable matches value)
    3- address empty, value ... true.
    4- address empty, value empty: doesn ...
    RMartins RMartins July 2015 Emulators
  • ZERO Emulator - BugsI have been using Zero emulator to experiment a few routines in assembly, since it has a somewhat usable debugger. However I believe I found a few b…

    ... /> [quote="RMartins;829301"]
    1- address filled, value empty: breakpoint at ... : breakpoint at address, only when condition is true (condition variable matches value ... .

    [quote]
    3- address empty, value filled: breakpoint anywhere ...
    Arjun Arjun July 2015 Emulators
  • ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …

    ... - that 8192 bytes bit-mapped array, we know from Z80. The ... ". Thus, one bit per each address between 0 and 65535 should ... if you change the start address of code areas: They will ...
    clausjahn clausjahn July 2015 Emulators
  • ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …

    ... and OUTPUT sections. So, the address counter may change weird.
    array, but the address counter jumps up and ... should happen? There are two address ranges in the above program ... , even if the area address lays in the second or ...
    clausjahn clausjahn August 2015 Emulators
  • Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …

    ... with just a one-dimensional array, that remembers the colour/texture ... a table of very thin variable-height columns as my display ...
    joefish joefish August 2015 Sinclair Basic
  • SpecBAS 0.844 releasedHi all - it's been a while... Having some unexpected extra time off work, I've been able to get some work done on SpecBAS and it's now a bit more …

    ... need POKE bankID,address,value and PEEK bankID,address. Banks hold everything ... ]always[/i] supply a numeric variable (not a number!) as the ... number will be in that variable for you to use later ... ID with the UDG "a" address - so to set the first ...
    Dunny Dunny August 2015 Sinclair Basic
  • How to move the location counter backward with GNU binutils?I've converted a 8000-line assembler source from Pasmo to GNU binutils. It was not difficult. It's the first time I use GNU binutils. In my code t…

    ... in this case) and variable length data starting at 0xC000 ... run-time. Therefore that final address (known during compilation) must ... into a specific memory address the program can fetched it ... to the storage address, update the data address stored there, and ...
    programandala.net programandala.net August 2015 Development
  • Peeking the contents on screen? How?You will have to forgive me for growing up on the C64, but I know I can peek the location of a character (1024 is top left from memory) and the peek …

    ... 23296, where the first System Variable is stored, then comes ...
    The system variable RAMTOP indicates the highest address usable by BASIC ... somewhere above the RAMTOP address so they're not ... complicated to find the screen address of a character (or, ...
    joefish joefish August 2015 Sinclair Basic
  • Calling in some help?Hi guys. As you may know, I released the 'non beta' of the Vulcan expansion pack. OK so it ended up having a single minor, easily fixable bug. But…

    ... advised on setting up certain variable, I'll be able to ... mod. Starts the mods from address 50970. First byte multiplies by ... turn, etc etc etc. Every address mods something very different.
    Daniel_Baines Daniel_Baines August 2015 Development
  • z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…

    ... a memory address. I had thought it was holding a variable of ...
    antonyjones101 antonyjones101 September 2015 Development
  • IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…

    ... only have 16-bit address, you can argue that ... separate I/O port address space with special instructions ... difference in a 16-bit address space. To distinguish between ... of logic on a gate array.

    There ... most of the memory address, you also had to ...
    Alcoholics Anonymous Alcoholics Anonymous September 2015 Hardware
  • IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…

    ... difference in a 16-bit address space. To distinguish between ... of logic on a gate array.[/quote]
    Okay, so ... using up chunks of address space and having extra ... far fewer than 64 address lines and 8-bit ... decode most of the memory address, you also had to ...
    zub zub September 2015 Hardware
  • Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…

    ... ENTER. A 1-dimension string array has a 6-byte header ... and a 1-dimension string array with 'n' bytes of text ... creating a 1-dimension string array of the required size, shifting ... pointer forward to the next variable (rl) after the string, and ...
    Battle Bunny Battle Bunny October 2015 Sinclair Basic
  • Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…

    ... a standard string variable, when it needs a string array. Assuming you ... create one two-dimensional string array to contain all three string ... assign INKEY$ to a string variable and test that instead, especially ...
    GReW GReW December 2015 Sinclair Basic
  • ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…

    ... BASIC program has a fixed address for where it begins.[/quote ... the address of the screen in memory using the DFILE system variable ... :
    [code]LET ADDRESS=PEEK 16396+256 ...
    GReW GReW December 2015 Sinclair Miscellaneous
  • Spectrum Screen RAM layoutHi there The spectrum screen layout is rather odd. It seems to be arranged into 3 256 byte groups. If I have an x (horizontal) coordinate (from…

    ... use the DF_CC System Variable at 23684 ($5C84) Address in display file ...
    dbolli dbolli December 2015 Development
  • z88dk v1.99A Release Candidate[b]Z88DK VERSION 1.99A RELEASE CANDIDATE[/b] Download from: http://nightly.z88dk.org/Releases/ The release candidate will be available for te…

    ... />
    [code]
    EXTERN base_graphics ; Address of graphics screen

    Can you check your path variable "echo $PATH" and see if ...
    Alcoholics Anonymous Alcoholics Anonymous December 2015 Brand new software
  • Elite - Galaxy Creator Pokes.So 8 meagre galaxies are not enough for you? Tired of visiting the same old 2048 planets over and over? Say no more, these "Galaxy Creator" pokes wil…

    ... sure if 128k version changed address of this as you didn ...
    tomas tomas February 2016 Games
  • 128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…

    ...
    LD HL,49152 ; start address of data to copy
    address 49152. From there, they can ... first +3 system editor workspace variable, thus causing a system crash ...
    Alessandro Grussu Alessandro Grussu February 2016 Development
  • Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…

    ... , so gets assigned to the variable called 'sp'.

    There ... BASIC calls machine code, the address you called is put into ... about start at an even address, but make your first instruction ... the 'initialise' function return the address in BC of where to ...
    joefish joefish March 2016 Development
  • Emulator developmentHi, Could anyone explain or direct to a link that explains in not to technical terms how an emulator is developed. It has always blown my mind eve…

    You start with an array of bytes, into the ... Then you set a "PC" variable, which is a 16bit container ... a byte from the array at whatever position PC is ... or write values to the array... whatever is needed.
    ... 16384 to 23295 in the array). Update the state of ...
    Dunny Dunny March 2016 Emulators
  • Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…

    ... specific address (IY+2)
    This happens to be system Variable TVFlag ...
    RMartins RMartins March 2016 Development
  • BASIC problem in SpectaculatorI have a piece of music written in +3 BASIC in spectaculator (using FOR LET, PLAY and NEXT) and when it auto loads (because of save "tune" LINE 10) i…

    ... is being interpretted as the address of the start of the ... any chance is the first variable you define one of the ... look at the VARS system variable.
    GReW GReW March 2016 Emulators
  • 48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …

    ... means that the address pointed to by the System Variable RAMTOP contains ...
    dbolli dbolli March 2016 Development
  • 48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …

    ... means that the address pointed to by the System Variable RAMTOP contains ...
    TK90XFan TK90XFan April 2016 Development
  • z88dk v1.99A Release Candidate[b]Z88DK VERSION 1.99A RELEASE CANDIDATE[/b] Download from: http://nightly.z88dk.org/Releases/ The release candidate will be available for te…

    ... the access to RAMTOP system variable. The way you had it ... was through a pointer variable:

    [code]
    ;; C ... ;; hl holds pointer value = $5CB2 = address of RAMTOP system var
    address $5CB2 so that the compiler ...
    Alcoholics Anonymous Alcoholics Anonymous April 2016 Brand new software
  • DivMMC Enjoy - I'm not enjoying it!My DivMMC Enjoy arrived today. Excitedly I rushed home to plug it into my +2a. I have quite a few SD card/CF solutions for my computers so I know wha…

    ... ROM chips from the CPU address when the interface needs to ... for 128K expect the system variable at 23388 (BANKM) to have ... with a 48K ROM, that variable no longer exists and its ... take the current value of address 23388 as the last value ...
    mcleod_ideafix mcleod_ideafix April 2016 Hardware
  • Quill or PAWI'm thinking of putting-together (by which I mean writing) an adventure game for the Speccy. The two most popular utilities for doing so seem to be t…

    ... the BASIC CHARS System Variable at the start address of your font ...
    GReW GReW April 2016 Development
<1…23242526272829…34>

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    John Elliott on April 21
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