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- Path: xs1.xs4all.nl!marcone
- From: marcone@xs1.xs4all.nl (Marco Nelissen)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Amiga programmers in deep shit...
- Date: 8 Jan 1996 13:42:02 GMT
- Organization: XS4ALL, networking for the masses
- Distribution: world
- Message-ID: <4cr6va$o7@news.xs4all.nl>
- References: <4cjjbr$4im@maureen.teleport.com> <4cmvp3$mis@mordred.cc.jyu.fi> <4cnhfp$jjo@maureen.teleport.com>
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-
- Stephan Schaem (sschaem@teleport.com) wrote:
- : You have a 4500x200 8bit picture on a floppy. this picture is the background
- : for an horizontal scrolling map (Put what ever you want on top).
- : now, as you scroll the map, you can load it from floppy tiny bit at a
- : time... No need to have in in memory.
-
- So why can't this be done with a harddisk? Your floppydrive is capable
- of doing something like 30 kilobytes per second I believe, but let's round
- this up to 50k per second. Now take a harddisk that does 500k per second
- (which is quite slow). You will see that even if this harddisk requires
- 100% cpu, you still only use 10% of the total cpu, if you load at the same
- speed as a floppydrive. If you take more realistic figures for floppy-
- and harddisk-speed (35 kilobytes vs. 1 megabyte per second), you get
- 3.5% cpu-used for a harddisk, when loading the data at floppy-speed.
-
- Marco
-