Store Loop Adapter Interrupt Flag Byte - IBM 4684 Store Loop Adapter/A Manual

5.14 Store Loop Adapter Interrupt Flag Byte

This table describes the bits of the store loop adapter interrupt flag
byte. This byte is updated by the software interrupt service routine when
a level 7 hardware interrupt occurs.
+------------------------------------------------------------------------+
¦ Table 5-8. Store Loop Adapter Interrupt Flag Byte
+------------------------------------------------------------------------¦
¦ Bit ¦ Definition
+-------+----------------------------------------------------------------¦
¦ Bit 7 ¦ 1 = The level 7 interrupt is not from the store loop adapter. ¦
+-------+----------------------------------------------------------------¦
¦ Bit 6 ¦ 1 = An interrupt occurred when not expected (Bit 0 = 0).
+-------+----------------------------------------------------------------¦
¦ Bit 5 ¦ 1 = More than one interrupt occurred when only one was
¦ ¦ expected (Bit 0 = 1).
+-------+----------------------------------------------------------------¦
¦ Bit 4 ¦ Not used, always zero (0).
+-------+----------------------------------------------------------------¦
¦ Bit 3 ¦ Not used, always zero (0).
+-------+----------------------------------------------------------------¦
¦ Bit 2 ¦ Not used, always zero (0).
+-------+----------------------------------------------------------------¦
¦ Bit 1 ¦ 1 = A store loop adapter level 7 hardware interrupt has
¦ ¦ occurred.
+-------+----------------------------------------------------------------¦
¦ Bit 0 ¦ 1 = A store loop adapter level 7 hardware interrupt is
¦ ¦ expected.
+------------------------------------------------------------------------+
4684 Store Loop Adapter/A
Store Loop Adapter Interrupt Flag Byte
¦ Copyright IBM Corp. 1991
5.14 - 1
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