Date : Sun, 14 Sep 2008 19:35:37 +0200
From : dw@... (David Warrington)
Subject: What CPU is in the second processor?
Is your question, which second processor family? e.g. 65xx, Z80, ARM etc. or
are you also interested in WHICH 65xx processor, e.g. 65C02, 6510, 65SC12,
etc. (Which actually is also a relevant question because there is a slight
change in valid opcode)
----- Original Message -----
From: "Jonathan Graham Harston" <jgh@...>
To: <>
Sent: Saturday, September 13, 2008 3:27 PM
Subject: [BBC-Micro] What CPU is in the second processor?
> Is there a way that a program running in the I/O processor can
> determine the CPU of the second processor?
>
> It's not as obvious as checking the ROM type of the current
> language, as a language may not have been selected yet, or a 6502
> language may have been selected and the second processor has code
> to check for this and select alternative code, as the ARM CoPro
> does if 6502 BASIC is selected.
>
> --
> J.G.Harston - jgh@... - mdfs.net/User/JGH
> 05:10:36, 18-Nov-2008 - RISC OS time rolls over to &5000000000
>
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