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  • for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…

    ... is non-zero. a handy optimisation for people with such compilers ...
    Arjun Arjun June 2010 Chit chat
  • for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…

    ... a for loop (compiler will optimise it as same thing for ...
    Paradigm Shifter Paradigm Shifter June 2010 Chit chat
  • Sprite MaskingI was looking at the sprites in some games, and noticed they have sprite followed by mask. Usually a row at a time (so the mask is sort of interleave…

    ... find that you have to optimise heavily for the average case ...
    AndyC AndyC June 2010 Development
  • for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…

    ... a for loop (compiler will optimise it as same thing for ...
    wilsonsamm wilsonsamm June 2010 Chit chat
  • for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…

    ...

    The compiler should optimise [the copy] out if the ...
    Paradigm Shifter Paradigm Shifter June 2010 Chit chat
  • Assembler Shortcuts Reference?Can someone please refer me to a page of assembler shortcuts; ie. concise ways of doing things in a few bytes which might not be immediately obvious?…

    There a series of useful optimization techniques [URL="http://www.ticalc.org/archives/files/authors/70/7035.html"]here[/URL]
    jp jp July 2010 Development
  • Assembler Shortcuts Reference?Can someone please refer me to a page of assembler shortcuts; ie. concise ways of doing things in a few bytes which might not be immediately obvious?…

    ... only in case of size optimization.
    Shiru Shiru July 2010 Development
  • Assembler Shortcuts Reference?Can someone please refer me to a page of assembler shortcuts; ie. concise ways of doing things in a few bytes which might not be immediately obvious?…

    ... only in case of size optimization.[/QUOTE]
    I completely agree ...
    ccowley ccowley July 2010 Development
  • Knight Lore on c64.. after 25 years..It seems that Knight Lore coming on commode a quarter century after speccy version. ;) Well, better late than never.. The game is still in developmen…

    ... to get people to help optimise it. It would be interesting ...
    fog fog July 2010 Chit chat
  • Knight Lore on c64.. after 25 years..It seems that Knight Lore coming on commode a quarter century after speccy version. ;) Well, better late than never.. The game is still in developmen…

    ... the moment and need further optimization:

    "The code is ...
    Pegaz Pegaz July 2010 Chit chat
  • Knight Lore on c64.. after 25 years..It seems that Knight Lore coming on commode a quarter century after speccy version. ;) Well, better late than never.. The game is still in developmen…

    ... to get people to help optimise it. It would be interesting ...
    Pegaz Pegaz July 2010 Chit chat
  • Assembler Shortcuts Reference?Can someone please refer me to a page of assembler shortcuts; ie. concise ways of doing things in a few bytes which might not be immediately obvious?…

    ... only in case of size optimization.[/QUOTE]
    early models of ...
    Fikee Fikee July 2010 Development
  • Assembler Shortcuts Reference?Can someone please refer me to a page of assembler shortcuts; ie. concise ways of doing things in a few bytes which might not be immediately obvious?…

    ... 'always'). This applies to the optimization as well, and in the ...
    Shiru Shiru July 2010 Development
  • Androids... everybody needs an Android. Or do they. + Bonus topic F*** OFF GoogleWell I've got a brand new phone a Sony Xperia X10 and I'm up trying to get it to sync with outlook. Its an andoid phone and on the face of it seems q…

    ... have only just started to optimize the VM which leads me ...
    takapa takapa August 2010 Chit chat
  • Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…

    ... />
    Next step is to optimise the above program to see ...
    Paddy Coleman Paddy Coleman August 2010 Sinclair Basic
  • Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…

    ... ;465881]Next step is to optimise the above program to see ...
    bobs bobs August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... a typical case of premature optimization. Read: should not be done ...
    RetroTechie RetroTechie August 2010 Sinclair Basic
  • Minigame competition 2010?For almost six months now, [url]http://minigamecomp.org.uk/[/url] has contained nothing but a placeholder message, saying: [quote]The site is tempor…

    ... 4K section (unless I can optimize the hell out of it ...
    spud spud August 2010 Games
  • Minigame competition 2010?For almost six months now, [url]http://minigamecomp.org.uk/[/url] has contained nothing but a placeholder message, saying: [quote]The site is tempor…

    ... 4K section (unless I can optimize the hell out of it ...
    Dr BEEP Dr BEEP August 2010 Games
  • Why was/is the ZX Spectrum so popular?Why? How? Even after all this time you have a website like this etc.... It's just amazing!

    ... had more ROM space to optimise their implementation or something else ...
    Paddy Coleman Paddy Coleman August 2010 Games
  • Why was/is the ZX Spectrum so popular?Why? How? Even after all this time you have a website like this etc.... It's just amazing!

    ... had more ROM space to optimise their implementation or something else ...
    AndyC AndyC August 2010 Games
  • Converting 50ths of a second to hours, minutes and seconds...Hi Folks, I have written some code to convert the interal Spectrum clock from 50ths of a second to hours, minutes and seconds. The following code s…

    Thanks guys. One optimisation I thought of whilst sleeping ...
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • Converting 50ths of a second to hours, minutes and seconds...Hi Folks, I have written some code to convert the interal Spectrum clock from 50ths of a second to hours, minutes and seconds. The following code s…

    ... Coleman;472451]Thanks guys. One optimisation I thought of whilst sleeping ...
    Matt_B Matt_B September 2010 Sinclair Basic
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... 't remember anymore all the optimization techniques we invented back in ...
    Einar Saukas Einar Saukas September 2010 Development
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... really offer scope for listing optimisation to take up as little ...
    bigjon bigjon September 2010 Development
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... really offer scope for listing optimisation to take up as little ...
    Einar Saukas Einar Saukas September 2010 Development
  • logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…

    ... out the logic, then possibly optimize to reduce the number of ...
    kgmcneil kgmcneil September 2010 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... unless you are dealing with optimisation. Try to develop routines to ...
    ASM ASM October 2010 Development
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optimisation 337 381
optimization 399 466
optimise 280 330
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Related Threads

  • need help with speed optimization.this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels.<br /> it doesn't shift sprites in realtime, it just …
  • Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384)<br /> <br /> I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory.<br /> <…
  • Machine Code: quicksort optimisationI came across this z80 quicksort implementation when going through the wikipedia article on the same. It's 44 bytes long.<br /> <br /> I was wonderin…
  • When do you optimise?I was just wondering when people here optimise their code. Do they wait till it is all done or do they code a routine and then optimise that?
  • Game OptimisationBelow is a section of code Im using for movement enermy display and collision detect.<br /> <br /> What happens is that you move the sight with ,.qa …
  • OptimisationI've participated in several thread hijacks about this, so perhaps I should open a new thread.<br /> <br /> Et VIOLA! Here it is!<br /> <br /> Knuth,…
  • Optimize this assembly?Aiming for Variable*192 -&gt; HL<br /> <br /> In the first case, I came up with the obvious method - *128 +*64:<br /> <br /> [code]<br /> ld a, (vari…
  • Optimization for this codeHello,<br /> <br /> I have done and submitted a small program for the CSS Crap Game Compo which involves a machine code routine.<br /> <br /> The z80…
  • space optimisation algorithm neededScenario:<br /> <br /> * An adventure game consists of a series of locations, each of which may or may not have some text and/or graphics associated …
  • Code optimisation - can you help?Hi Folks,<br /> <br /> I have been looking at the following code fragment for days and I have been able to improve its performance quite a bit. Howe…

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