Z86C9116PSG Datasheet, PDF (40/56 Pages) Zilog, Inc. – CMOS Z8 ROMLess Microcontrollers

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R251 IMR
D7 D6 D5 D4 D3 D2 D1 D0
1 Enables IRQ5 - IRQ0
(D0 = IRQ0)
Reserved (Must be 0)
1 Enables Interrupts
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R252 FLAGS
D7 D6 D5 D4 D3 D2 D1 D0
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
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