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ZX BASIC and garbage collection...Hi Folks, I was thinking about using the following approach in a program I am writing: [CODE]DIM d$(100,50) LOAD "NAMES" DATA d$() ... DIM d$(50,25…
... garbage collection etc.?[/QUOTE]Spectrum Basic doesn't have any ... the first place. Everything in memory is shuffled up and down ... very long string-a very long string-a very long string-a ... string-a very long string-a very long string-"
b$="a short string ... -
ZX BASIC and garbage collection...Hi Folks, I was thinking about using the following approach in a program I am writing: [CODE]DIM d$(100,50) LOAD "NAMES" DATA d$() ... DIM d$(50,25…
... to actually read the Sinclair BASIC manual - the follow gem ... />
On execution, the BASIC searches for the named array ... B]Any array currently in memory having the same letter name ... character arrays, any string variable currently in memory having the same ... -
Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…
... or no. Snapshot contain runable basic file and machine code from ... roms/games..)
- copy any system from DIVIDE memory 1-15(number ... selected DIVIDE firmware, type of memory mode (DIVIDE or MB02+), etc ... -
Saving in SpinI couldn't find an extreme beginner thread so I'm posting this here. In Spin emulator after saving a Basic code by a command: save "filename" I am ha…
... /> It makes a copy of whole Spectrum memory and stores it in ... . You are using the same Basic commands (e.g. SAVE "MyProg ... -
Donkey Kong - TransparencyHi, I might not recall it perfectly but as I was playing the Donkey Kong for ZX-spectrum 48k - I somehow noticed that the Monkey jumps with something…
... to the screen memory.
You can just copy bytes of ... your sprite data into screen memory, and ... cut-out. But it's fast.
In this case ... -
Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…
... u do is a small basic loader at the beginning of ... lines copy stuff to the ramdisk)
30 CLEAR 64267 (releases memory ... back for basic)
40 LOAD"PRINT ... -
Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…
... u do is a small basic loader at the beginning of ... lines copy stuff to the ramdisk)
30 CLEAR 64267 (releases memory ... back for basic)
40 LOAD"PRINT ... -
Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... library") and my concerns about memory usage have pushed me back ... some data into lower conteded memory in the Sid Spanners game ... ! Still, the game still ran fast enough, being a relatively simple ... days co-authoring one-liner BASIC programs I learnt how to ... -
Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... local variables both consumes more memory and is slower. [...] Likewise, be ... use a very fast build script and a fast computer, so I ... confusing us to their compiled basic community. I can tell you ... masked sprites on screen, and fast. Even if there was no ... -
Official CSSCGC 2010 Competition ThreadDear Wossers, As 'loser' of the 2009 competition, I am now obliged to host the 2010 competition. I have created a site which will provide a hub for …
... /> is dependant on the extra memory of those systems as the ... issues of the processor accessed memory
itself.
Added ... delay routine from the pure BASIC version.
It first did ... back into the game. Too fast updating the border
on ... -
What if the Government backed Sir CliveHere is a question I have always wondered about... What if the Government had backed Sir Clive back in the Eighties... That is, placed his computers …
... mile the best 8 bit BASIC interpreter, it has a ... forgotten just how good BBC BASIC is; not only does ... that need to be fast in asm without too ... you can actually allocate memory at run-time for your ... and for things like memory buffers. BBC BASIC even has the ... -
Converting TRD-Dos into TapHello, there are still many programs appearing on TRD-Dos or SCL format and users of normal Spectrum cannot run them. Of course I know about emulator…
... ) set a breakpoint on all memory from 5D00 to FFFF
memory to find somewhere to put ... using the emulator's "save memory" function, then open the all_code ... whole lot together using "copy /b basic.tap+nearly_done.tap FINAL.tap ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... br /> - start up code,
- memory management,
Re: malloc ... do the naive malloc and copy).
z88dk ... small utility routines because of memory concerns.
- ... three options: small, fast and medium. fast tries to reduce ... -
Is converting Microdrive formats possible???Hi. First post. I'm a long-time Speccy owner, was lost, but found my way home! :D I have a Disciple as well... Now to my question, but first the …
... 've just glanced through my copy of the user manual and ... code overruns the end of memory are you?[/QUOTE]
copy.
BTW I still ... open MD.FILE's from Basic? If I knew that the ... -
BASin Problems etc.Hi Folks, Paul has asked me to open this thread to document any outstanding issues that we find within BASin. No guarantees that Paul can/will fix …
... slow even if using [B]FAST[/B] mode
[*]Program execution ... report an [B]Out of Memory[/B] error
[*]Increasing ... for the other Windows cut, copy and paste keys e.g ... commented without using valuable Spectrum memory
[*]Add an option to ... -
Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…
... is going to go in memory
entry_point ; ... attributes less 1
LDIR ;Copy from (HL) to (DE) ... row
PUSH HL ;Copy HL (attribute address)...
... br />
RET ;Return to BASIC
attr_list
... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... Anonymous;511112]Save memory for who? Surely not the basic system.[/QUOTE ... some data in the screen memory hiding it behind the blank ... made available models with less memory that could be expanded later ... use any of the block copy operations or even PUSH to ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... a fast read operation using a relatively slow (read: cheap) memory. ... mode reads operate in consecutive memory addresses.
The ... - Not even a single byte memory holes.
- The maximum ... to account why is Sinclair BASIC rather slow?
... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... expanding his routines when "moderately fast" is not enough :lol:
BASIC)
It is in many ... as it didnt use any memory. Ditto the ZX81. (Which did ... -
Official CSSCGC 2011 Competition ThreadHello fellas. The site is up and running. We are already accepting submissions. [url]http://www.mojontwins.com/csscgc2011/[/url] Rules, info, and e…
... is the button for fast forward and the ... /> .No sound: Due to memory restrictions we haven't been ... (note that the memory restrictions doesn't apply ... advantage of the contended memory problem by sending two ... for playing your pirate copy of FAIRLIGHT online, you ... -
A thousand core CPU?Maybe this is old news to most people on here, but according to: [url]http://www.zdnet.co.uk/news/emerging-tech/2010/12/25/intel-why-a-1000-core-chi…
... case of gaming) texture memory. The more memory the graphics card has ... graphics card that had the memory to cope with it. The ... data as a 1:1 copy of the screen. But what ... make sense, using the (very fast) video RAM for texture storage ... -
Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…
... 's 'Zip Compiler' will compile BASIC programs into machine code. It ... a Crash Covertape if my memory serves me corrently). Last time ... be able to find a copy for download.... -
Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…
... Crash Covertape if my memory serves me corrently). Last ... be able to find a copy for download....[/QUOTE]
BASIC and compiled code.
BASIC program [b]without modification ... wouldn't fit into memory. It might be worth ... -
Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…
... 100% unmodified BASIC listing and produce a fast and tight ... subset of Sinclair BASIC while being relatively fast (at least ... nothing beats Boriel ZX Basic. It's fast, and incredibly easy ... ) implies dynamic memory management. In a compiled BASIC program, DIM ... -
Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…
... way Sinclair's BASIC does. Variables are static memory addresses whilst ... is allowing as much Sinclair BASIC syntax as possible to ... load it in BASIN, copy the BASIC listing to ASCII (e ... /> Unlike other BASICs, Sinclair BASIC treated DATA as [b]anonymous ... -
Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…
... memory lack. I can?t have the 40 kB Basic ... Source and 40 kB M/C at once in the memory ... just bank switching 16k Memory, so it might split ... PC based program without the memory restrictions.
... beats Boriel ZX Basic. It's fast, and incredibly easy ... -
A LOAD of old site!If there was a website that released distinctly retro styled games to play online or download them for free but only a small amount of the game was i…
... You program in Sinclair BASIC just like you would on ... (by executing strings of BASIC code at runtime), bezier ... the screen with configurable transparency. Memory banks for your data, ... in Sinclair BASIC, just shedloads faster. [i]Really[/i] fast.
... -
Multiface 1 (Romantic Robot) RepairHello there my fellow ZX'ers! recently I got an Interface 1 + MicroDrive from a friend and since then I have been having awesome geeky moments in fr…
... ), a lot of them needed memory replacement repairs, alas one had ... probalby proto the constructs in BASIC and then rewite them in ... use the NMI feature and copy games to the MicroDrive - for ... -
Flip Screen vs ScrollingWhich do you prefer? I've always liked flip screen games but I had a C64(spit) owning friend who hated them with a passion.
... . Big play area + parallax scrolling + fast + colour. I'd probably have ... to just one big, very fast copy routine to refresh the scenery ... just doesn't have the memory to store it all pre ... -
Flip Screen vs ScrollingWhich do you prefer? I've always liked flip screen games but I had a C64(spit) owning friend who hated them with a passion.
... to just one big, very fast copy routine to refresh the scenery ... just doesn't have the memory to store it all pre ...
