Renesas R8C/Tiny Series Software Manual page 141

Chapter 3 Functions
STE
[ Syntax ]
STE.size
[ Operation ]
dest src
[ Function ]
• This instruction transfers
src
• If is A0 or A1 and the selected size specifier (.size) is (.B), the operation is performed on the 8 low-
order bits of A0 or A1. However, the flag changes depending on the A0 or A1 status (16 bits) before the
operation is performed.
[ 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 operation results in MSB = 1; otherwise cleared.
Z : The flag is set when the operation results in 0; otherwise cleared.
[ Description Example ]
STE.B R0L,[A1A0]
STE.W R0,10000H[A0]
[ Related Instructions ]
Rev.2.00 Oct 17, 2005
REJ09B0001-0200
Transfer to extended data area
STore to EXtra far data area
src,dest
B , W
src dest
to in an extended area.
src
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
dsp:16[SB] abs16
abs20 #IMM
A1A0
B S Z D C
MOV, LDE, XCHG
page 123 of 263
[ Instruction Code/Number of Cycles ]
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]
R2R0 R3R1
3.2 Functions
STE
Page: 233
R1L/R2 R1H/R3
[A0] [A1]
dsp:8[SB] dsp:8[FB]
abs20
[A1A0]