Laser 128 - Pop

BASIC COMMA ND S AND STATEMENTS
3.44 POP
P urpos e: To change th e action of a
RETURN from a subroutine .
Format: POP
Comments: POP effectively removes th e top
address from the stack of
subroutine's RETURN addresses.
Example: ] I 0 GOSUB I 00
] 20 END
] I 00 GOSUB 200
] 110 PRINT "THIS
ST A TEMENT NEGLECTED"
] 120 RETURN
] 200 POP
] 210 RETURN
]
RUN
Program flows from statement
IO , 100, 200, 210, 20. Statement
110 is skipped due to pop action .
II-77