User`s manual

BL1600124 s Memory, I/O Map, and Interrupt Vectors
Table G-7. Interrupt Priorities
Interrupt Priorities
(Highest Priority) Trap (illegal instruction)
NMI (nonmaskable interrupt)
INT 0 (maskable interrupts, Level 0; three modes)
INT 1 (maskable interrupts, Level 1; PLCBus
attention line interrupt)
INT 2 (maskable interrupts, Level 2)
PRT Timer Channel 0
PRT Timer Channel 1
DMA Channel 0
DMA Channel 1
Clocked Serial I/O
Z180 Serial Port 0
(Lowest Priority) Z180 Serial Port 1
Interrupt Priorities
Table G-7 lists the interrupt priorities.