Article View: comp.sys.mac
Article #38395Re: Pierce Explains RISC. was new mac rumors
From: Robert J Woodhead
Date: Sun, 26 Feb 1989 16:43
Date: Sun, 26 Feb 1989 16:43
23 lines
1835 bytes
1835 bytes
In article <9770@cit-vax.Caltech.Edu> wetter@cit-vax.Caltech.Edu (Pierce T. Wetter) writes:
> The speed of a mircoprocessor is somewhat proportional to the number
>of instructions it has to implement. For instance the 6502 can do every
>instruction in one clock cycle, while the 68000 can take up to 70.
Many 6502 instructions are >1 cycle long, as a glance at any 6502 programming
manual will quickly confirm. The true speed of any processor is
(# of cycles per second) * (how much an average instruction does)
-----------------------------------------------------------------
(average number of cycles per instruction)
The answer to the question "how much an average instruction does" depends
on who you are talking to. However, it is a safe bet to say that an
average 68000 instruction does more than an average 6502 instruction.
+---------------------------------------------------------------------------+
| Robert J Woodhead !uunet!cornell!biar!trebor CompuServe 72447,37 |
| Biar Games, Inc., 10 Spruce Lane, Ithaca NY 14850 607-257-1708,3864(fax) |
+---------------------------------------------------------------------------+
| Games written, Viruses killed "I'm the head honcho of this here spread; |
| While U Wait. Take a number. I don't need no stinking disclaimers!!!" |
+---------------------------------------------------------------------------+
Technical Details
Message-ID:
<161@biar.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!biar!treborReferences:
<70755@ti-csl.csc.ti.com> <9770@cit-vax.Caltech.Edu>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!biar!trebor From: trebor@biar.UUCP (Robert J Woodhead) Newsgroups: comp.sys.mac Subject: Re: Pierce Explains RISC. was new mac rumors Message-ID: <161@biar.UUCP> Date: 26 Feb 89 16:43:22 GMT References: <70755@ti-csl.csc.ti.com> <9770@cit-vax.Caltech.Edu> Reply-To: trebor@biar.UUCP (Robert J Woodhead) Organization: Biar Games, Inc. Lines: 22