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Assembly Language Fundamentals
81
The utilities currently available are -
Utility
Busy
Error exit
Get_bytes
Get elem _ bytes
Get element
Get file info
Get info
Get value
Int to reI
Isr access
Mm read start
Mm read xfer
Mm write start
Mm write test
Printer select
Print_string
Put_bytes
Put_ elem _ bytes
Put element
Put file info
Put value
ReI math
ReI to int
ReI to sho
Sho to reI
Description
Tests the busy bits of a BASIC variable
Aborts an ICALL statement with a particular error number
Accesses substrings (or parts of parameters)
Same as "Get_bytes", but used for array elements
Same as "Get_value", but used for array elements
Accesses the file-pointer of an assigned file
Returns the characteristics of a variable passed as a
parameter or existing in common
Returns the val ue of a BASIC variable
Data type conversion from integer to full-precision
Establishes hardware linkages for interrupts
Prepares to read a physical record from mass storage
Reads a physical record from mass storage
Writes a physical record to mass storage
Verifies a physical record was written to mass storage
Changes or interrogates select-code for standard printer
Outputs a string to the standard printer ,
Replaces substrings (or parts of parameters)
Same as "Put_bytes", used for elements in an array
Same as "Put_value", used for elements in an array
Manipulates the file-pointer of a file
Changes the value of a BASIC variable
Provides access to all the arithmetic routines
Data type conversion from full-precision to integer
Data type conversion from full-precision to short
Data type conversion from short-precision to full
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