Intel 80C196NU Manuale Utente
8XC196NP, 80C196NU USER’S MANUAL
3-4
3.3
ACCUMULATOR REGISTER (ACC_0
x
)
The 32-bit accumulator register (Figure 3-1) resides at locations 0C–0FH. Read from or write to
the accumulator register as two words at locations 0CH and 0EH.
the accumulator register as two words at locations 0CH and 0EH.
ACC_0
x
x
= 0, 2 (80C196NU)
Address:
Reset State:
0EH, 0CH
00H
The 32-bit accumulator register (ACC_0
x
) resides at locations 0C–0FH. You can read from or write to
the accumulator register as two words at locations 0CH and 0EH.
80C196NU
15
8
Accumulator Value (word 1, high byte)
7
0
ACC_02
Accumulator Value (word 1, low byte)
15
8
Accumulator Value (word 0, high byte)
7
0
ACC_00
Accumulator Value (word 0, low byte)
Bit
Number
Function
15:0
Accumulator Value
You can read this register to determine the current value of the accumulator. You can
write to this register to clear or preload a value into the accumulator.
write to this register to clear or preload a value into the accumulator.
Figure 3-1. Accumulator (ACC_0
x) Register