Renesas R8C/Tiny Series Software Manual page 104

Chapter 3 Functions
LDE
[ Syntax ]
LDE.size
[ Operation ]
dest src
[ Function ]
• This instruction transfers
dest
• If is an A0 or A1 when the size specifier (.size) you selected is (.B),
transfer data in 16 bits.
[ Selectable src/dest ]
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
Conditions
S : The flag is set when the transfer resulted in MSB of
Z : The flag is set when the transfer resulted in
[ Description Example ]
LDE.W [A1A0],R0
LDE.B Rom_TBL,A0
[ Related Instructions ]
Transfer from extended data area
LoaD from EXtra far data area
src,dest
B , W
src
from extended area to
src
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
dsp:16[SB] abs16
abs20 #IMM
A1A0 [A1A0]
B S Z D C
STE,MOV,XCHG
[ Instruction Code/Number of Cycles ]
dest
.
dest
R0L/R0 R0H/R1
A0/A0 A1/A1
dsp:8[A0] dsp:8[A1]
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20
R2R0 R3R1
dest
= 1; otherwise cleared.
dest
= 0; otherwise cleared.
87
3.2 Functions
LDE
Page=191
src
is zero-expanded to
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
A1A0