Re: Writing an Emulator [OT]
From: Willem (willem_at_stack.nl)
Date: 12/08/03
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Date: Mon, 8 Dec 2003 18:11:33 +0000 (UTC)
Morris wrote:
) Nope. Imagine a truth table like (AND: <op> == 0x1):
)
) A | 0 0 1 1
) B | 0 1 0 1
) --+--------
) r | 0 0 0 1
)
) Then if the same ordering of A and B values were used for all
) sixteen tables, the corresponding r values would range from 0x0
) to 0xF - with the first and last being "trivial" (always zero and
) always one) operations.
D'oh!
That must mean that the Amiga's blitter chip had 256 possible operations.
Which sounds plausible.
) Did the thesis writer develop the idea into anything
) implementable? [If the answer is "yes" I need to track him/her
) down and present a bottle of fine champagne!]
Err, I think so. But I might be bound by an NDA about that, because he was
my colleague at the time.
SaSW, Willem
--
Disclaimer: I am in no way responsible for any of the statements
made in the above text. For all I know I might be
drugged or something..
No I'm not paranoid. You all think I'm paranoid, don't you !
#EOT
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