Interrupt Enable 0

From SpecNext official Wiki
Revision as of 12:22, 3 November 2024 by Sol HSA (talk | contribs) (updated to 78a6ee50)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Number $C4
Readable Yes
Writable Yes
Short Description Interrupt type enable control
 bit 7 = Expansion bus /INT (soft reset = 1)
 bits 6:2 = Reserved must be 0
 bit 1 = Line ** (soft reset = 0)
 bit 0 = ULA ** (soft reset = 1)
  • * If a device interrupt is disabled, it enters a polled mode
  • ** Aliases of interrupt enable bits in nextreg 0x22

Soft reset = 0x81