
5-15
(32) YNEA
Naming :
Status :
Format :
Function :
Y-Register Not Equal Accumulator
Comparison results to status
é
Y
ó
A
ST
à
1 (when Y
ó
A)
ST
à
0 (when Y = A)
<Purpose>
Data of Y-register and accumulator are compared to check if
they are not equal.
Data of the Y-register and accumulator are logically compared.
Results are transferred to the status. Unless they are equal,
the status is set.
<Comment>
(33) YNEI
Naming :
Status :
Format :
Operand :
Function :
Y-Register Not Equal Immediate
Comparison results to status
Constant 0
i
15
Y
ó
i
ST
à
1 (when Y
ó
i)
ST
à
0 (when Y = i)
<Comment>
The constant of the Y-register is logically compared with 4bit
operand. Results are transferred to the status. Unless the
operand is equal to the constant, the status is set.
(34) KNEZ
Naming :
Status :
Format :
Function :
<Purpose>
<Comment>
K Not Equal Zero
The status is set only when not equal
é
When K
ó
0, ST
à
1
A test is made to check if K is not zero.
Data on K are compared with zero. Results are transferred to
the status. For input data not equal to zero, the status is set.
(35) RNEZ
Naming :
Status :
Format :
Function :
<Purpose>
<Comment>
R Not Equal Zero
The status is set only when not equal
é
When R
ó
0, ST
à
1
A test is made to check if R is not zero.
Data on R are compared with zero. Results are transferred to
the status. For input data not equal to zero, the status is set.
Chapter 5. INSTRUCTION