Renesas R8C/Tiny Series, Software Manual, Page: 110 / 297

93
3.2 Functions
Chapter 3 Functions
MOVe nibble
Transfer 4-bit data
MOV Dir MOV Dir
[ Operation ]
[ Syntax ]
MOV
Dir
src,dest
[ Description Example ]
Dir
Operation
HH H4:dest H4:src
HL L4:dest H4:src
LH H4:dest L4:src
LL L4:dest L4:src
[ Function ]
Dir
Function
HH Transfers src’s 4 high-order bits to dest’s 4 high-order bits.
HL Transfers src’s 4 high-order bits to dest’s 4 low-order bits.
LH Transfers src’s 4 low-order bits to dest’s 4 high-order bits.
LL Transfers src’s 4 low-order bits to dest’s 4 low-order bits.
[ Selectable src/dest ]
src dest
R0L /R0 R0H/R1 R1L/R2 R1H/R3 R0L /R0 R0H /R1 R1L /R2 R1H /R3
A0/A0 A1/A1 [A0] [A1] A0/A0 A1/A1 [A0] [A1]
dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB] dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB]
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16 dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20 #IMM dsp:20[A0] dsp:20[A1] abs20
R2R0 R3R1 A1A0 R2R0 R3R1 A1A0
R0L /R0 R0H /R1 R1L /R2 R1H /R3 R0L /R0 R0H/R1 R1L/R2 R1H/R3
A0/A0 A1/A1 [A0] [A1] A0/A0 A1/A1 [A0] [A1]
dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB] dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB]
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16 dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20 #IMM dsp:20[A0] dsp:20[A1] abs20
R2R0 R3R1 A1A0 R2R0 R3R1 A1A0
[ Flag Change ]
U I O B S Z D C
MOVHH R0L,[A0]
MOVHL R0L,[A0]
[ Instruction Code/Number of Cycles ]
Page=201
• Be sure to choose R0L for either
src
or
dest
.
Flag
Change