Sharp MZ-700 - Loop and Branch Instructions

46
ROPEN # (read open)
Opens the BSO file for read-out.
Format:
ROPEN # <logical number>, "[<device name>:] < filename> "
Note: Only FDn, CMT, or RSn device name.
Abbreviated form:
RO.#
Explanation:
• Opens the file so that filed data can be read out.
• The ROPEN # statement has an order for data read-out; it specifies the file to be
read
out, specifying by <device name> and <filename>.
• When the <device name> is omitted, the device designated by the DEFAULT
statement is specified.
• When" RS J 1 \ :" is specified, input is specified to RS-232C.
\21
Examples:
10 ROPEN #1, "FD1:DATA"
..... The floppy disk's (drive number 1) BSD file "DATA" is read out.
1 0 ROPEN
# 1
,
• ftSl: •
I
..... The input by INPUT commane is set to RS-232C.
1 0 ROPEN
#2,
"DATA"
20 FOR I =1
TO 99
30 I NP UT
#2,
A
40 PR I NT A
50
NEXT I
60 CLOSE
#2
70 END
..... The file made by WOPEN # command is read out and data are displayed.
References:
INPUT # (page 47)
WOPEN # (page 48)
CLOSE # (page 53)
EOF(#) (page 56)