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      1 # MACRO: exit
      2 	.macro exit nr
      3 	movi r2, \nr
      4 	# The exit utility function.
      5 	.byte 0x00
      6 	# The debug insn class.
      7 	.byte 0x50
      8 	.endm
      9 
     10 # MACRO: pass
     11 # Write 'pass' to stdout and quit
     12 	.macro pass
     13 	# Trap function 4: write().
     14 	movi r1, 4;
     15 	# Use stdout.
     16 	movi r2, 1;
     17 	# Point to the string.
     18 	lrw r3, 1f;
     19 	# Number of bytes to write.
     20 	movi r4, 5;
     21 	# Trigger OS trap.
     22 	trap 1;
     23 	exit 0
     24 	.data
     25 	1: .asciz "pass\n"
     26 	.endm
     27 
     28 # MACRO: fail
     29 # Write 'fail' to stdout and quit
     30 	.macro fail
     31 	# Trap function 4: write().
     32 	movi r1, 4;
     33 	# Use stdout.
     34 	movi r2, 1;
     35 	# Point to the string.
     36 	lrw r3, 1f;
     37 	# Number of bytes to write.
     38 	movi r4, 5;
     39 	# Trigger OS trap.
     40 	trap 1;
     41 	exit 1
     42 	.data
     43 	1: .asciz "fail\n"
     44 	.endm
     45 
     46 # MACRO: start
     47 # All assembler tests should start with a call to "start"
     48 	.macro start
     49 	.text
     50 .global _start
     51 _start:
     52 	.endm
     53