Int 04

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CPU-generated - INTO DETECTED OVERFLOW

Desc: The INTO instruction will generate this interrupt if OF (Overflow Flag) is set; otherwise, INTO is effectively a NOP

Note: May be used for convenient overflow testing (to prevent errors from propagating) instead of JO or a JNO/JMP combination

See Also: INT 00"CPU" - OPCODE "AAD" - OPCODE "AAM"

Category: CPU-Generated - Int 04h - C

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