Jmp Instruction - Renesas Hitachi H8S/2194 Series Hardware Manual

27.3.6

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
Address bus
029A
Interrupt
request
signal
(2) JMP Instruction (Memory indirect)
When the trap address is the next instruction to the JMP instruction and the addressing mode
is memory indirect, transition is made to the address trap interrupt after prefetching the
instruction at the branch. The address to be stacked is 02E4.
JMP
instruc-
tion
pre-fetch
Address bus
0294
Interrupt
request
signal
NOP MOV
Data
instruc- instruc-
tion tion fetch
pre-fetch pre-fetch
029C 02A4 02A6 02A8 02AA
JMP MOV.L
execution execution
Figure 27.13 JMP Instruction (Register Indirect)
NOP Internal
Data
instruc- opera-
fetch
tion tion
pre-fetch
0296 006C 006E 006C 02E4
JMP execution
Figure 27.14 JMP Instruction (Memory Indirect)
NOP
Start of
instruc-
exception
tion
pre-fetch
handling
02AC
NOP
Start of
instruc-
exception
tion
handling
pre-fetch
02E6
Rev. 2.0, 11/00, page 603 of 1037
(@ER0 = H'02A4)
029A JMP @ER0
*
029C NOP
029E NOP
02A0 NOP
02A2 NOP
02A4 MOV.L #DATA, ER1
02AA NOP
* Trap setting address
The underlines address is the
one to be actually stacked.
006C H'02E4
: :
0294 JMP @@H'6C:8
* 0296 NOP
0298 NOP
: :
02E4 NOP
02E6 NOP
* Trap setting address
The underlines address is the
one to be actually stacked.