41
3.2 Functions
Chapter 3 Functions
Add carry flag
ADdition Carry Flag
[ Selectable dest
]
dest
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
ADCF
ADCF
[ Function ]
[ Flag Change ]
Conditions
O :
The flag is set when a signed operation resulted in exc32767 (.W) or –32768 (.W) or
+127 (.B) or –128 (.B); otherwise cleared.
S :
The flag is set when the operation resulted in MSB = 1; otherwise cleared.
Z :
The flag is set when the operation resulted in 0; otherwise cleared.
C :
The flag is set when an unsigned operation resulted in exc65535 (.W) or +255 (.B);
otherwise cleared.
[ Description Example ]
ADCF.B
R0L
ADCF.W
Ram:16[A0]
[ Related Instructions ]
ADC,ADD,SBB,SUB
B , W
[ Syntax ]
ADCF.size
dest
[ Operation ]
dest dest + C
U
I
O
B
S
Z
D
C
This instruction adds
dest
and C flag together and stores the result in
dest
.
[ Instruction Code/Number of Cycles ]
Page=140
Change
Flag
Содержание R8C/Tiny Series
Страница 50: ...Chapter 3 Functions 3 1 Guide to This Chapter 3 2 Functions...
Страница 151: ...134 Chapter 3 Functions 3 2 Functions Blank for page layout...
Страница 152: ...Chapter 4 Instruction Code Number of Cycles 4 1 Guide to This Chapter 4 2 Instruction Code Number of Cycles...
Страница 278: ...Chapter 6 Calculation Number of Cycles 6 1 Instruction queue buffer...
Страница 287: ...Glossary 1 Glossary Technical terms used in this software manual are explained below They are good in this manual only...
Страница 291: ...Symbol 1 Table of symbols Symbols used in this software manual are explained below They are good in this manual only...
Страница 295: ...REVISION HISTORY R8C Tiny Series SOFTWARE MANUAL Rev Date Description Page Summary B 1 1 00 Jun 19 03 First Edition...
Страница 297: ...R8C Tiny Series Software Manual 2 6 2 Ote machi Chiyoda ku Tokyo 100 0004 Japan...