PPC Assembler...

[Virtual Cowboy]

Hi...
I'm looking for some files which contain material about PPC-Asm ! But not ONLY
PCC Asm ! We know, that on the PPC boards is still an 680x0 ! I want to know,
how I have to code for them ? How does the System know, that the code is for the
ppc and not for the 68k ? Is it similar to the copper (We know, copper is also a
risc)... And how many instruction do the 603, 604, and the 604e have ?
Thx...
C'ya
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[Ben Hutchings]

In article <1253.7084...@ibm.net>,

Virtual Cowboy <vic...@ibm.net> wrote:
>Hi...
>I'm looking for some files which contain material about PPC-Asm !

Go to the Motorola semiconductors web site (http://www.mot-sps.com/) and
order the PowerPC Programming Manual. They'll send it to you for free.

>But not ONLY
>PCC Asm ! We know, that on the PPC boards is still an 680x0 ! I want to know,
>how I have to code for them ?

The PowerUP developers' kit will no doubt include plenty of information
about that. The limited information I have obtained from Phase 5
suggests that the PowerUP boards run a kernel similar to Exec and that
processes running on the PPC processor can communicate with those on the
680x0 in just the same way that processes on the same CPU do.

>How does the System know, that the code is for the
>ppc and not for the 68k ?

I think there is probably an AddTaskPPC() similar to AddTask() that lets
you start running PPC code.

>Is it similar to the copper (We know, copper is also a
>risc)... And how many instruction do the 603, 604, and the 604e have ?

They have varying numbers of instructions, but the user programming model
is basically the same on all of them. You may be surprised to find that
there are a lot more mnemonics on the PPC than on 680x0, but this is
because each mnemonic has an implied size and addressing mode on the PPC.
How many different instructions there are is a matter of opinion really.

--
Ben Hutchings,|finger m95...@booth42.ecs.ox.ac.uk|mail benjamin.hutchings@
compsci&mathmo|lynx http://users.ox.ac.uk/~worc0223|worcester.oxford.ac.uk
Sturgeons's Law: Ninety percent of everything is crud.