Interrupt Status 0 Register

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Number TBRegisterNumber::$C8
Readable TBRegisterReadable::Yes
Writable TBRegisterWritable::Yes
Short Description ShortDesc::has interrupt occurred?
 bits 7:2 = Reserved must be 0
 bit 1 = Line
 bit 0 = ULA
  • (R) Set bits indicate the device generated an interrupt in the past or an interrupt is pending
  • (W) Set bits clear the status. In hw im2 mode the status will continue to read as set until the interrupt pending condition is cleared