Edinburgh IMP77 Compiler - Version 8.4
    1 %begin
				.section	".text"
		.Ltext0:
				.align 4
				.global main
				.proc	04
		main:
		.LFB185:
		.LVL0:
				save	%sp, -176, %sp
		.LVL1:
    2   %routine top
				mov	%i1, %o1
				call	_imp_initialise, 0
				 mov	%i0, %o0
		.LVL2:
		.LBB4:
		.LBB5:
				call	exit, 0
				 mov	0, %o0
		.LVL3:
		.LBE5:
		.LBE4:
				nop
		.LFE185:
		.Letext0:
    3     %routine nested
    4       %switch left,middle,right(1:3)
    5
    6       ->middle(3)
    7
    8       left(1):
    9       middle(1):
   10       middle(2):
   11       right(1):
   12       right(2):
   13       right(3):
   14       left(*):
   15
   16     %end
   17   %end
?NESTED unused
   18
   19 %endofprogram
?TOP unused
    8 Statements compiled