20 May 2021, 15:13 | #101 |
Going nowhere
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20 May 2021, 15:28 | #102 | |
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Now, technically, I don't need WHDLoad to achieve any of my goals. I could simply kill/restart the OS at the beginning/end of my program and avoid any file IO during the programs runtime (or not run with the OS at all i.e. trackloader or some such thing). Then, if I'd absolutely want the maximum performance, I could even program a "1MB A500" code path and a "faster machine" one (though I don't actually see myself doing that - so far I aimed at keeping my code compatible across the processor range). But, WHDLoad does offer a well known and commonly used method for running hardware hitting programs of harddisk and contains several features I personally find appealing for the kind of progams I'm interested in actually making. As such, I wouldn't see it as an odd choice to make a WHDLoad slave (or if I can't figure that out, asking for someone to make it for me) for new programs. YMMV *) I measured the OS overhead to be around 20% of a frame while idling on A500. But when even the smallest thing happens (such as pressing a key even without the system outputting it to the screen while no programs are running at all), those numbers went way up. Losing over 80% of a frame to the OS doing background stuff was not uncommon on A500 in these circumstances. |
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20 May 2021, 15:53 | #103 | |||
son of 68k
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Anyway, not my problem : i code mostly, if not only, for 020+ because i find ol' 68000 too limited. Quote:
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20 May 2021, 15:59 | #104 | ||
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As you can see, about 20% of a frame when idle, about 50-60% when pressing a key. Last edited by roondar; 20 May 2021 at 16:07. Reason: It's more than 50%. Still not 80% though ;) |
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20 May 2021, 16:19 | #105 | ||
son of 68k
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20 May 2021, 16:30 | #106 |
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Sure, but we both know that these tricks won't get you back the majority of the time you lose, just a small part of it.
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20 May 2021, 16:44 | #107 |
son of 68k
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20 May 2021, 16:46 | #108 |
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20 May 2021, 16:48 | #109 | |
This cat is no more
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So basically you're saying that if you disable the OS during the game (and use it to load files, etc...) then the game will be 20% faster on slow configurations? That's interesting, because I have a big performance issue on my Bagman remake. I should probably take over all vectors instead of using stoopid system interrupt vectors. |
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20 May 2021, 16:57 | #110 | |||
son of 68k
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But yes, temporary disabling the OS might be a better idea than killing it altogether. |
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21 May 2021, 12:10 | #111 | ||
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So there should be no need to patch delete operations anymore. Quote:
I myself would create installs for active developed games only in consultation with the original author. Nevertheless I tend to release all on the webpage as I don't like to spend time on checking such topics. Last edited by Wepl; 21 May 2021 at 13:14. |
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21 May 2021, 15:21 | #112 | |
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21 May 2021, 17:14 | #113 | ||
Lemon Curry ?
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21 May 2021, 17:16 | #114 |
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at least for Turbo Sprint and Wiz, those games don't have any protection whatsoever so whdload doesn't help cracking them or anything.
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