Laser 128 - Trace

BASIC COMMANDS AND STATEMENTS
3.62 TRACE
Purpose: To display line numbers of a
program as each line is
executed.
Format: TRACE
Comments: TRACE is very u sef ul in
determining where a program
may be going wrong
(debugging). The line number of
statements executed thereafter is
displayed. TRACE is turned off
by the NOTRACE command.
Example: ] 10 FOR J = I TO 3
] 20 PRINT J * 2
] 30 NEXT J
] 40 END
] TRACE
]RUN
# IO # 20 2
# 30 # 20 4
# 30 # 20 6
# 30 # 40
]
II-97