Fujitsu F2MC-16LX Hardware Manual page 54

CHAPTER 2 CPU
Table 2.3-1 Level Indicated by Interrupt Level Mask Register (ILM)
ILM2
0
0
0
0
1
1
1
1
38
ILM1 ILM0 Level value
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
Acceptable interrupt level
0 Disables the interrupt.
1 Only 0
2 Small level value smaller than 1
3 Small level value smaller than 2
4 Small level value smaller than 3
5 Small level value smaller than 4
6 Small level value smaller than 5
7 Small level value smaller than 6