
123
Chapter 3 Functions
3.2 Functions
Transfer from control register
STore from Control register
[ Syntax ]
STC src,dest
[ Description Example ]
[ Related Instructions ] POPC,PUSHC,LDC,LDINTB
[ Function ]
[ Selectable src/dest ]
STC STC
• This instruction transfers the control register indicated by
src
to
dest
. If
dest
is memory, specify the
address in which to store the low-order address.
• If
dest
is memory while src is PC, the required memory capacity is 3 bytes. If
src
is not PC, the
required memory capacity is 2 bytes.
STC SB,R0
STC FB,A0
[ Operation ]
dest src
src dest
FB SB SP
*1
ISP R0L/R0 R0H/R1 R1L/R2 R1H/R3
FLG INTBH INTBL A0/A0 A1/A1 [A0] [A1]
dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB]
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20
R2R0 R3R1 A1A0
PC R0L/R0 R0H/R1 R1L/R2 R1H/R3
A0/A0 A1/A1 [A0] [A1]
dsp:8[A0] dsp:8[A1] dsp:8[SB] dsp:8[FB]
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20
R2R0 R3R1 A1A0
[ Flag Change ]
*1 Operation is performed on the stack pointer indicated by the U flag.
Flag
Change
UIOBSZDC
[ Instruction Code/Number of Cycles ]
Page=
234
Comentarios a estos manuales