1	.text
2	.global _start
3_start:
4	mov 0, # external
5	mov 0, # global
6	mov 0, # local
7
8	mov 0, # external - .
9	mov 0, # global - .
10	mov 0, # local - .
11
12	bc            external
13	bc            global
14	bc            local
15
16	bc rx, #0,    external
17	bc rx, #0,    global
18	bc rx, #0,    local
19
20	bc r0, #0,    external
21	bc r0, #0,    global
22	bc r0, #0,    local
23
24	bc  r0, r1,   external
25	bc  r0, r1,   global
26	bc  r0, r1,   local
27	.global global
28global:
29	nop
30local:
31	nop
32