Interrupt Enable 0 Register

Next Register 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