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Normally invoked by the INT 09 handler when PrtSc key is pressed, but may be invoked directly by applications.
address | size | description |
---|---|---|
50:00 | byte | hanlder status * 01h : PrtSc in progress * FFh : last PrtSc encountered error |
byte at 0050h:0000h contains status used by default handler 00h not active
01h PrtSc in progress FFh last PrtSc encountered error
default handler is at F000h:FF54h in IBM PC and 100%-compatible BIOSes
SeeAlso: INT 10/AH=12h/BL=20h CPU-generated (80186+) - BOUND RANGE EXCEEDED
generated by BOUND instruction when the value to be tested is less than the indicated lower bound or greater than the indicated upper bound.
returning from this interrupt re-executes the failing BOUND instruction
Generated if the divisor of a DIV or IDIV instruction is zero or the quotient overflows the result register; DX and AX will be unchanged.
no input
See Also INT 04