VIPA CPU 21 Series - Comparison instructions

Chapter 12 Instruction list Manual VIPA CPU 21x
Command
Operand Parameter Status word Function
Length
in
BR CC1 CC0 OV OS OR STA RLO /FC
words
: Instruction depends on
: Instruction influences
12-26 HB103E - Rev. 05/45
Comparison instructions
Comparison instructions
with integer (16Bit)
Status word Comparing the integer (16Bit) in ACCU1-L and
ACCU2-L. RLO=1, if condition is satisfied.
==I -
BR CC1 CC0 OV OS OR STA RLO /FC
ACCU2-L=ACCU1-L 1
<>I - - - - - -----
ACCU2-L≠ACCU1-L
1
<I - - Y Y 0 - 0 Y Y 1 ACCU2-L<ACCU1-L 1
<=I - ACCU2-L<=ACCU1-L 1
>I - ACCU2-L>ACCU1-L 1
>=I - ACCU2-L>=ACCU1-L 1
Comparison instructions
with integer (32Bit)
Status word Comparing the integer (32Bit) in ACCU1 and
ACCU2. RLO=1, if condition is satisfied.
==D -
BR CC1 CC0 OV OS OR STA RLO /FC
ACCU2=ACCU1 1
<>D - - - - - -----
ACCU2≠ACCU1
1
<D - - Y Y 0 - 0 Y Y 1 ACCU2<ACCU1 1
<=D - ACCU2<=ACCU1 1
>D - ACCU2>ACCU1 1
>=D - ACCU2>=ACCU1 1
Comparison instructions
with 32Bit real number
Status word Comparing the 32Bit real numbers in ACCU1
and ACCU2. RLO=1, is condition is satisfied.
The execution time of the instruction depends
on the value to be compared.
==R -
BR CC1 CC0 OV OS OR STA RLO /FC
ACCU2=ACCU1 1
<>R - - - - - -----
ACCU2≠ACCU1
1
<R - - Y Y Y Y 0 Y Y 1 ACCU2<ACCU1 1
<=R - ACCU2<=ACCU1 1
>R - ACCU2>ACCU1 1
>=R - ACCU2>=ACCU1 1