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Optimus
Registered: Jan 2002
Posts: 122 |
Music fading, file loading
I don't know anything about music coding, more than just initialiazing and calling the player. But how easy it is to fade out the music? Do I have to write SID code? My last choice would be to write the music so that it fades in one point, but perhaps I would prefer to press a key and music fading at any point..
Then, is there a system call or anything to load a PRG file from the disk? So that I can load from my asm code the next part of my demo. A simple example..
p.s. I know I should be searching this in my docs instead before asking here, but somehow I felt I don't have much time. I hope you can give me an answer, I am still learning a bit..
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Cruzer
Registered: Dec 2001
Posts: 1048 |
I'm not sure I believe that 75% of fastloader speed, but anyway, the main advantage of a fastloader is that it only fills about $200 bytes. This means that the previous part can use all the remaining $fe00 bytes (99.2% of the mem.) An irq-loader takes more, plus you need some gfx or other stuff that also eats bytes => less memory for the previous effect. |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
no argument actually, since an irqloader once installed also is about 1 to 2 blocks in memory. the one in deus ex machina uses less than $0200 bytes, but $0100 bytes is translation tables which can be avoided with better code. |
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hollowman
Registered: Dec 2001
Posts: 474 |
the smallest version of krills loader i've used takes $0100 bytes after install. |
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Cruzer
Registered: Dec 2001
Posts: 1048 |
$100 for an irq-loader? Guess I'm outta excuses then. :) Ok, you still need some extra space for loader gfx/fx, but if the memory is filled up I guess you could just have a blank screen w/ music for a little while, while loading some loadertainment-stuff.
Guess it would be possible to make a fastloader that fills less than $100 though, if it was installed once like an irq-loader. And I would still recommend the fastloader option for n00b's like Optimus. :) |
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