Racal Instruments 7064 Instruction Manual page 157

getchar_raw (void);
This character gets a 16-bit character out of the secondary queue.
Example: i=getchar_rawO;
in stat (void);
Returns the number of characters in the secondary input queue.
Example: i=in_stat();
putchar_sec(int c);
Puts a character into the secondary queue.
Example: putchar_sec(i);
vtl_getchar (void);
Gets a character out of the secondary input queue.
Example: i=vtl_getcharO;
vtl ungetc (int ch);
Disposes of the character after the vtl_getchar command.
Example: vtl_ungetc(i);
Interrupt management
disable (void);
This command disables interrupts.
enable (void); *
This command enables interrupts.
Note: During initiallization the interrupts are off, and during normal operation
the interrupts are on.
event (uint event value);
Generates an interrupt on the backplane (value of interrupt, as defined in the
VXlbus specifications).
Example: event(#H7F);
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