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<1…21222324252627…34>
  • displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …

    BASin has been doing this for ... ; Debug Windows -> Memory Map.

    Shows Memory from 16384 ($4000 ...
    Dunny Dunny June 2014 Emulators
  • UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…

    ... . To make room below the UDGs ( at 65368 ) we'll put ... 've laid this out in memory, the character set ends at ... , right next to where the UDGs begin at character code 144 ... . So you can still use UDGs - in fact, you can re ... they're now contiguous in memory.
    joefish joefish June 2014 Sinclair Basic
  • UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…

    ... now, because it's mostly memory address numbers that mean nothing ... more than the 20-ish UDGs.
    Dock Dock June 2014 Sinclair Basic
  • UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…

    ... the original Spectrum manual. The memory addresses run from 0 to ... of memory, from 65368 to 65535, are the standard set of UDGs ... original UDGs are all in fixed and known places in memory, so ... restrict BASIC to only using memory up to that value. Anything ...
    joefish joefish June 2014 Sinclair Basic
  • Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.

    ... look. Start with a memory map or a diagram ... to 256 UDGs stored in sequence, anywhere in memory will do ... start address of your UDGs in BC and do ... This is because in screen memory, within a character space, ... addressed 256 bytes higher in memory.

    Using ...
    joefish joefish July 2014 Development
  • Basic SAVE and ZX Printer supportIs there a list of emulators that support any of these two features (basic SAVE and print to printer port)? Is there a emulator comparison some wh…

    Pfft. Where's your sense of adventure? :)

    I had to reverse engineer everything the ROM did (and the formats that data is stored in memory) in order to create BASin... This should be, as I said, trivial :p

    D.
    Dunny Dunny July 2015 Emulators
  • Basic SAVE and ZX Printer supportIs there a list of emulators that support any of these two features (basic SAVE and print to printer port)? Is there a emulator comparison some wh…

    ... as ZXSpin) support SZX format. BASin will do soon - I'm ... its original form actually trashed memory in order to get the ... require a reset for either BASin or ZXSpin when I added ...
    Dunny Dunny July 2015 Emulators
  • 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 …

    ... work, but they work on memory banks so they need POKE ... your banks.

    3. UDGs also work, but are different ...
    Dunny Dunny August 2015 Sinclair Basic
  • Removal of "reset on break" protection (old basic program)Hi, Long time lurker, here! This is hopefully quite simple but there's an old basic game in the I'd like to bring up to date / take a look at …

    ... from BASIC code. When running, BASin can "see" (and will present ... window) any BASIC code in memory - and the only code showing ...
    Dunny Dunny August 2015 Sinclair Basic
  • Removal of "reset on break" protection (old basic program)Hi, Long time lurker, here! This is hopefully quite simple but there's an old basic game in the I'd like to bring up to date / take a look at …

    ... instruction make it work? From memory, this prevents basic from running ... I encounter the problem in basIN, the m/c routines are ...
    briscaF1 briscaF1 August 2015 Sinclair Basic
  • 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 …

    ... , you can POKE and PEEK memory without corrupting anything. At startup ... the 21 user-definable-graphics (UDGs) 'A' to 'U', which you ... where BASIC looks for the UDGs, or the entire character set ... thirds (each 32x8 characters). In memory, first comes the top pixel ...
    joefish joefish August 2015 Sinclair Basic
  • Arcade Game DesignerTime I posted an update on this, I've been working on the next version - along with another developer who is writing the editors - since July. Wor…

    ... and ready. And nothing like BASin. Except for the bits that ... you add more screens. Again, memory limitations notwithstanding, you can have ... This means a bit more memory than you're used to ... the traditional IDE style that BASin used.

    The Sprite ...
    Dunny Dunny October 2015 Development
  • Concert txt files to Z80 or TAP filesHi everyone :) Can you suggest me a software to convert txt files to Z80 or TAP? (OS Windows 7 64 bit) Thanks

    ... get the actual text into memory:
    [url="http://zeroteam.sk ... /emulators/pc/windows/BASin_r14c.exe"]BASin[/url] is an excellent IDE ...
    GReW GReW October 2015 Sinclair Miscellaneous
  • Concert txt files to Z80 or TAP filesHi everyone :) Can you suggest me a software to convert txt files to Z80 or TAP? (OS Windows 7 64 bit) Thanks

    ... get the actual text into memory:
    [url="http://zeroteam.sk ... /emulators/pc/windows/BASin_r14c.exe"]BASin[/url] is an excellent IDE ...
    alchemist alchemist October 2015 Sinclair Miscellaneous
  • 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…

    Latest version of BASin (not the Retro Computers version) can make REM lines from blocks of memory, binaries loaded from disk etc.

    D.
    Dunny Dunny October 2015 Sinclair Basic
  • Matthew Smith's Andre's Night Off in C&VG - did he really write it?Despite it being written in BASIC, Andre's Night Off is not very good - so what happened exactly? Was the hyperbole surrounding the type-in so much h…

    ... thing I learnt from using BASin is that Spectrum BASIC is ... palette without eating too much memory. There are so many "tricks ...
    Paddy Coleman Paddy Coleman February 2016 Games
  • P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…

    ... , in more detail.

    Memory however is not expected to ... width, with references to 8x8 UDGs.
    - Recycling parts or reusing ...
    RMartins RMartins June 2016 Development
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... /> #pragma output CLIB_STDIO_HEAP_SIZE = 0 // no memory for files
    #pragma output ... char backwalls[];


    // Memory to define the background.
    Alcoholics Anonymous Alcoholics Anonymous June 2016 Development
  • P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…

    ... 168 tiles (16x16), or 336 UDGs
    Height: 224 pixels - ... 168 tiles (16x16), or 336 UDGs
    Height: 192 pixels - ... 12 tiles (16x16), or 24 UDGs

    ...which represents ... 256 tiles, without doubling the memory for reference data.
    ...
    RMartins RMartins June 2016 Development
  • Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…

    ... set the spectrum's displayfile memory locations directly and see the ... in memory using DEFB directives or similar and feel like UDGs A ... , B, C, D in memory etc.
    memory saving can be had by ...
    mister_wavey mister_wavey July 2016 Development
  • Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…

    ... of printing stuff than using 'UDGs' and the ROM PRINT routine ... things much quicker and saves memory.

    I'm pretty ...
    daveysludge daveysludge July 2016 Development
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... 65344-65367, just below the UDGs.

    [code]
    memory to address 58368 (near ... memory, leaving just enough room for this code and the UDGs ... you'll notice the memory addresses are encoded as ... , so the extra memory is free to use.
    joefish joefish September 2016 Sinclair Basic
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... 65344-65367, just below the UDGs.

    [code]< ... ll copy the screen memory to address 58368 (near ... memory, leaving just enough room for this code and the UDGs ... you'll notice the memory addresses are encoded as ... first, so the extra memory is free to use ...
    ivanb303 ivanb303 September 2016 Sinclair Basic
  • New features for an emulatorHi. I know this has been asked before, but only to know if there are new opinions... What features do you expect to be on an emulator (that they …

    ZXSpin can show sprites in memory, and BASin can show a graphical overview of memory usage.
    Dunny Dunny October 2016 Emulators
  • New features for an emulatorHi. I know this has been asked before, but only to know if there are new opinions... What features do you expect to be on an emulator (that they …

    [quote="Dunny;881484"]ZXSpin can show sprites in memory, and BASin can show a graphical overview of memory usage.[/quote]
    Spud does both of these.
    rich_chandler rich_chandler October 2016 Emulators
  • New features for an emulatorHi. I know this has been asked before, but only to know if there are new opinions... What features do you expect to be on an emulator (that they …

    [quote="Dunny;881484"]ZXSpin can show sprites in memory, and BASin can show a graphical overview of memory usage.[/quote]

    ZEsarUX does both of these
    chernandezba chernandezba October 2016 Emulators
  • Time Gate graphics patchI've rediscovered Time Gate and one thing I don't like about the game is that it's hard to remember what's what in the status indicators. The manual …

    ... with and already know the memory locations that I need to ... BASIC, a small file of UDGs and a Multiface.

    textvoyage textvoyage October 2016 Games
  • UDG generator doesn't work, why?Typing in the UDG generator from the manual I get integer out of range when I run it. I'm going nuts trying to figure out whats wrong. Can someone pl…

    ... are the UDG bytes in memory ?[/quote]


    You ... you the start of the UDGs.
    crunchy_frog crunchy_frog October 2016 Sinclair Basic
<1…21222324252627…34>

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