SetRVect Set real mode interrupt handler address.

Inputs: AX = 0201h

BL= Interrupt vector number.

CX:DX = selector:offset of new handler.

Outputs: None.

Errors: None.

SetSelDet Set selector linear base and limit.

Inputs: AX = 0ff09h

BX = Selector.

CX:DX = Linear base.

SI:DI = Byte granular limit.

Outputs: Carry set on error.

Errors: If an invalid selector is passed in BX, this function returns with carry set.

SetSelDet32 Set selector linear base and limit.

Inputs: AX = 0ff0ah

BX = Selector.

EDX = Linear base.

ECX = Byte granular limit.

Outputs: Carry set on error.

Errors: If an invalid selector is passed in BX, this function returns with carry set.

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