Generate Maskable Interrupt Register: Difference between revisions

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updated to 78a6ee50
 
m Xalior moved page Generate Maskable Interrupt to Generate Maskable Interrupt Register: match formal nextreg.txt name
 
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Latest revision as of 17:37, 13 October 2025

Number TBRegisterNumber::$20
Readable TBRegisterReadable::Yes
Writable TBRegisterWritable::Yes
Short Description ShortDesc::Trigger interrupt
 bit 7 = line
 bit 6 = ula
 bits 5:4 = reserved
 bits 3:0 = ctc 3:0
  • Set bits on R indicate whether an interrupt occurred or is pending (alias of bits in NR 0xC8 - 0xCA)
  • Set bits on W always generate a maskable interrupt ignoring enables (NR 0xC4 - 0xC6)