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Copyright 1991 David Jurgens |
TC: void setvect( int intr_num, void interrupt(*isr)() )
- prototype in dos.h
- sets the value of interrupt vector named by intr_num
(corresponds to 0-255 for MS-DOS) in DOS interrupt vector
table to a far pointer to "isr" an interrupt service routine
- address of a C routine may be used only if it has been
declared to be an interrupt routine. Ex:
void interrupt func( void );
- MS C uses _dos_setvect()
- see INT 21,25
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setvect |
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