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- From: kucerarj@kucerarj.test.rose-hulman.edu (Ryan J Kucera)
- Newsgroups: rec.games.video
- Subject: Re: SG vs. Snes
- Date: 28 Jan 1993 03:43:20 GMT
- Organization: Computer Science Department at Rose-Hulman
- Lines: 28
- Message-ID: <1k7kooINNoum@master.cs.rose-hulman.edu>
- References: <1993Jan27.184107.10594@mprgate.mpr.ca>
- NNTP-Posting-Host: kucerarj.test.rose-hulman.edu
-
- In article <1993Jan27.184107.10594@mprgate.mpr.ca> vanderby@mprgate.mpr.ca
- (David Vanderbyl) writes:
- > davem@uvmark.uucp (Dave Meeks) writes:
- > The Nintendo's "processor" (I guess you meant the CPU) is in fact
- superior,
- > since it requires less code to do the same thing as the Sega's. It is
- true
- > that the Nintendo runs at half the speed of the Sega, but this does not
- > affect performance, it's the PPU that causes slowdown.
- >
- > Incidentally, much is made of the Nintendo's 8 bit data bus to the CPU.
- > Let me explain why this is not an additional speed factor.
- > When the Sega Genesis wants a word of memory it says "OK memory, give me
- > a 16 bit word". When the Nintendo wants a word of memory is says
- > "OK memory, give me the first half of the word, then give me the second
- > half of the word". BUT, this is why the Nintendo's clock it half as
- fast
- > in the first place, because it needs to make two memory accesses. Thus
- the
- > processor is exactly half as fast (3.56 Mhz vs 7.12 Mhz) not one quarter
- > as fast as some people try to say.
- >
- >
- Well it's actually not superior because it can't do as much as the 68000.
- I'm not a computer engineer or anything but what you are saying is that a
- 16 bit(internal) chip is superior to a 32 bit(internal) chip.
-
- Ryan Kucera
-