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I1: Input 1

IR, SR, AR, DM, HR, TC, LR, #

I2: Input 2

IR, SR, AR, DM, HR, TC, LR, #

R: Result word

IR, SR, AR, DM, HR, LR

ORW(35)

I1

I2

R

@ORW(35)

I1

I2

R

When the execution condition is OFF, ORW(35) is not executed. When the
execution condition is ON, ORW(35) logically OR’s the contents of I1 and I2 bit-
by-bit and places the result in R.

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

15

00

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

1

1

0

1

1

1

0

1

1

1

0

1

1

1

0

1

15

00

15

00

I1

I2

R

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.