Specifications

Theory of Operation
INTERRUPT
SOURCE 1
ZT 8808A/
ZT 8809A
INTRQ*
INTAK*
INTRQ*
INTAK*
INTRQ*
INTAK*
INTERRUPT
SOURCE 2
INTERRUPT
SOURCE N
INTRQ*
INTAK*
STD BUS
INTERRUPT STATUS
PORT
ISP ISP ISP
Figure 3–2. Polled Interrupt Structure.
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