[SqNOS] SqueakNOS-gera.31

[Gerardo Richarte]

Name: SqueakNOS-gera.31
Author: gera
Time: 22 July 2006, 2:09:21 pm
UUID: b3cac7ac-fa8a-46d8-b16a-badcce82e257
Ancestors: SqueakNOS-gera.30

handleIRQfor:on: calls handleIRQfor: which calls handleIRQ

so a device can just implement handleIRQ if it doesn't need the others.
Simpler