AMSTRAD CPC464 User Manual page 145

EOF
EOF
P R I N T E O F
-1
FUNCTION: Tests to see if the cassette input is at the end of the file. Returns – 1 (true) at the end,
otherwise 0 (false).
Associated keywords: OPENIN
ERASE
ERASE li s t o f ; < v a r i a b l e n a m e > ,
E R A S E A , B %
d
COMMAND: When an array is no longer required, it may be ERASE and the memory used be
reclaimed ready for other use.
Associated keywords: DIM
ERR
ERL
ERR
ERL
10 CLS
2 0 O N E R R O R G O T O 1 0 0 0
3 0 D A T A S A L L Y , E M M A , J O A N N E , H E L E N , G E M M A
4 0 R E A D A $
5 0 P R I N T A $
6 0 G O T 0 4 0
7 0 R E M e r r o r d e t e c t i o n s t a r t s h e r e
1 0 0 0 I F E R R = 4 T H E N P R I N T " I h a v e s p o t t e d
a D A T A E X H A U S T E D e r r o r ! "
1 0 1 0 I F E R L < 7 0 A N D E R L > 2 0 T H E N P R I N T
" . . . . . i n l i n e s 3 0 -60"
1 0 2 0 E N D
VARIABLES: These variables are used in error handling subroutines to discover the error number
and line where the error occured. See the error message listing in Appendix VIII.
Associated keywords: O N E R R O R , E R R O R