Computer Hardware User Manual

276
Flags ER: Indirectly addressed DM word is non-existent. (Content of DM word is
not BCD, or the DM area boundary has been exceeded.)
EQ: ON when the result is 0.
N: ON when bit 15 of Wd is set to 1.
5-22-2 LOGICAL AND – ANDW(34)
I1: Input 1
IR, SR, AR, DM, HR, TC, LR, #
I2: Input 2
IR, SR, AR, DM, HR, TC, LR, #
Ladder Symbols
Operand Data Areas
R: Result word
IR, SR, AR, DM, HR, LR
ANDW(34)
I1
I2
R
@ANDW(34)
I1
I2
R
Description When the execution condition is OFF, ANDW(34) is not executed. When the
execution condition is ON, ANDW(34) logically AND’s the contents of I1 and I2
bit-by-bit and places the result in R.
10 0110 0110 0110 01
15 00
01 0101 0101 0101 01
00 0100 0100 0100 01
15 00
15 00
I1
I2
R
Flags ER: Indirectly addressed DM word is non-existent. (Content of DM word is
not BCD, or the DM area boundary has been exceeded.)
EQ: ON when the result is 0.
N: ON when bit 15 of R is set to 1.
Example
Logic Instructions Section 5-22