Radio Shack TRS-80 Operation Manual page 45

CMD"T" . . . . . . . . . . . . . . . . . . . . . . . . . Disables interrupts.
CMD''T''
CVD(string var) . . . . . . . . . . . . . . . . . . . .
Converts to double precision after GET.
A#=CVD(I$)
CVI(string
var) . . . . . . . . . . . . . . . . . . . .
Converts to integer after GET.
PRINT CVI(FD$)
CVS(string
var) . . . . . . . . . . . . . . . . . . . .
Converts to single precision after GET.
FK! = CVS(RA TE$)
DEFFN(var name) . . . . . . . . . . . . . . . . . Defines a programmer-created function.
DEF FNA$(X) = STRING$(X,45)
DEFUSRn . . . . . . . . . . . . . . . . . . . . . . . . Defines the entry point for machine
language subroutine number n.
DEFUSR2 = 32480
FIELDb,c AS
string var,list . . . . . . . . .
Organizes random file buffer
b
into fields.
GETb,n
INPUT#b,var name,list
FIELDl,255 AS Q$
FIELD3,16 AS NM$,25 AS AD$
GETl
Gets record n or next record from a disk
file and puts it in buffer b (random access
files).
GET3,25
Inputs data from sequential file through
buffer b to variable named in command.
INPUT#l,A
INPUT#l,C$,A,B,D
INSTR(c,string var#l ,string var#2) . . . . Starts searching at position c in string #1
for string #2. If found, returns position;
otherwise, returns 0.
KILL"filename"
Q = INSTR(5,A$,AA$)
Deletes a disk file. (Refer to your Disk
System Owner's Manual for information
on filenames.)
KILL"BLITZ:1"
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