Intel 8XC196NT User Manual page 564

ZERO_REG
The two-byte zero register (ZERO_REG) is always equal to zero. It is useful as a fixed source of the
constant zero for comparisons and calculations.
15
7
Bit
Number
15:0 Zero
This register is always equal to zero.
Zero (high byte)
Zero (low byte)
Function
REGISTERS
ZERO_REG
Address: 00H
Reset State: 0000H
8
0
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