Jmp Instruction - Hitachi H8S/2199 Hardware Manual

25.3.6

JMP Instruction

1. JMP Instruction (Register indirect)
When the trap address is the next instruction to the JMP instruction and the addressing mode is
a register indirect, transition is made to the address trap interrupt after prefetching the
instruction at the branch. The address to be stacked is 02AA.
JMP
instruc-
tion
pre-fetch
φ
Address bus
029A
Interrupt
request
signal
Note: * Trap setting address
The underlines address is the one to be actually stacked.
Rev. 1.0, 02/00, page 544 of 1141
NOP MOV
Data
instruc- instruc-
tion tion fetch
pre-fetch pre-fetch
029C 02A4 02A6 02A8 02AA
JMP MOV.L
execution execution
Figure 25.13 JMP Instruction (Register Indirect)
NOP
Start of
instruc-
exception
tion
pre-fetch
handling
02AC
(@ER0 = H'02A4)
029A JMP @ER0
029C NOP
*
029E NOP
02A0 NOP
02A2 NOP
02A4 MOV.L #DATA, ER1
02AA NOP