Renesas R8C/Tiny Series Software Manual page 102

Chapter 3 Functions
JSRI
[ Syntax ]
JSRI.length src
[ Operation ]
When jump distance specifier (.length) is (.W)
SP SP
M(SP) (PC
SP SP
M(SP) (PC
PC PC
*1 n denotes the number of instruction bytes.
[ Function ]
• This instruction causes control to jump to a subroutine at the address indicated by
location in the memory, specify the address at which the low-order address is stored.
• If (.W) is selected as the jump distance specifier (.length), control jumps to the subroutine at the start
address of the instruction plus the address indicated by
a location in the memory, the required memory capacity is 2 bytes.
src
• If is a location in the memory and (.A) is selected as the jump distance specifier (.length), the
required memory capacity is 3 bytes.
[ Selectable src ]
If (.W) is selected as the jump distance specifier (.length)
R0L/R0 R0H/R1
A0/A0 A1/A1
dsp:8[A0] dsp:8[A1]
dsp:16[A0] dsp:16[A1]
dsp:20[A0] dsp:20[A1]
R2R0 R3R1
If (.A) is selected as the jump distance specifier (.length)
R0L/R0 R0H/R1
A0/A0 A1/A1
dsp:8[A0] dsp:8[A1]
dsp:16[A0] dsp:16[A1]
dsp:20[A0] dsp:20[A1]
R2R0 R3R1
[ Flag Change ]
U I O
Flag
Change
[ Description Example ]
JSRI.A A1A0
JSRI.W R0
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
Indirect subroutine call
Jump SubRoutine Indirect
– 1
+ n)
H
– 2
+ n)
ML
src
src
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
dsp:16[SB] abs16
abs20
A1A0
src
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
dsp:16[SB] abs16
abs20
A1A0
B S Z D C
JSR
page 84 of 263
[ Instruction Code/Number of Cycles ]
W , A
When jump distance specifier (.length) is (.A)
SP
M(SP)
SP
M(SP)
PC
src
(added including the sign bits). If
3.2 Functions
SP – 1
(PC + n)
H
SP – 2
(PC + n)
H
src
src
JSRI
Page: 188
src
. If is a
src
is