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Power 6/32 Unix version 1.21

#include "../machine/alignment.h" 
bbc(infop)	process_info *infop;
/*
/*	Branch on bit clear.
/*
/********************************/
{
	register int position,base, new_address;

	position = operand(infop,0)-> data & 0x1f;
	base = operand(infop,1)->data;
	new_address = operand(infop,2) -> address;
	negative_0; zero_1; overflow_0; carry_1;
	if ( !(base & 1 << position) ) pc = new_address;
}

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