Nvis 5586A
Nvis Technologies Pvt. Ltd.
28
•
Overflow Flag
(OF):
set if the result is too large positive number, or is too small negative
number to fit into destination operand.
•
Direction Flag
(DF)
:
If set then string manipulation instructions will auto-decrement index
register. If cleared then the index registers will be auto-incremented.
•
Interrupt-enable Flag
(IF)
:
Setting this bit enables maskable interrupts.
•
Single-step Trap Flag
(TF)
:
If set then single-step interrupt will occur after the next
instruction.
•
Sign Flag
(SF)
:
Set if the most significant bit of the result is set.
•
Zero Flag
(ZF)
:
Set if the result is zero.
•
Auxiliary carry Flag
(AF)
:
Set if there was a carry from or borrow to bits 0-3 in the AL
register.
•
Parity Flag
(PF) - set if parity (the number of "1" bits) in the low-order byte of the result is
even.
•
Carry Flag
(CF) - set if there was a carry from or borrows to the most significant bit during
last result calculation.
•
Auxiliary carry Flag
(AF) - set if there was a carry from or borrows to bits 0-3 in the AL
register.
•
Parity Flag
(PF) - set if parity (the number of "1" bits) in the low-order byte of the result is
even.
•
Carry Flag
(CF) - set if there was a carry from or borrows to the most significant bit during
last result calculation.
Содержание 5586A
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