Renesas R8C/Tiny Series Software Manual page 61

Chapter 3 Functions
ADJNZ
[ Syntax ]
ADJNZ.size src,dest,label
[ Operation ]
dest dest +
if dest 0 then jump label
[ Function ]
• This instruction adds
• If the addition resulted in any value other than 0, control jumps to label. If the addition resulted in 0,
the next instruction is executed.
• The op-code of this instruction is the same as that of SBJNZ.
[ Selectable src/dest/label ]
src
*1
#IMM
*1 The range of values that can be taken on is –8 < #IMM < +7.
*2 PC indicates the start address of the instruction.
[ Flag Change ]
Flag
U I O
Change
[ Description Example ]
ADJNZ.W #–1,R0,label
[ Related Instructions ]
Add & conditional jump
ADdition then Jump on Not Zero
src
dest src
and together and stores the result in
R0L/R0
R1H/R3
[A0]
dsp:8[A1]
dsp:16[A0] dsp:16[A1] dsp:16[SB]
abs16
B S Z D C
SBJNZ
[ Instruction Code/Number of Cycles ]
B , W
dest
R0H/R1 R1L/R2
A0/A0 A1/A1
[A1] dsp:8[A0]
dsp:8[SB] dsp:8[FB]
44
3.2
ADJNZ
dest
.
label
*2
PC –126 label PC
Functions
Page=146
*2
+129