Il 20/03/2012 19:35, Stefano Stabellini ha scritto: > This is the function that is used to figure out whether we need the > timers or not, the condition seems to be: > > (Not (REG_C_UF | REG_C_AF)) And (Not (REG_B_SET)) > > Shouldn't actually check for UIE being enabled?
No, you need to set UF in case the code observes it without actually enabling interrupt delivery on the ISA bus. Paolo
