
17
Chapter 1 Overview
b7 b0
N DATA(L)
N+1 DATA(H)
N+2
N+3
b7 b0
N DATA
N+1
N+2
N+3
MOV.B N,R0H
MOV.W N,R0
R0
HL
b15 b0
R0
HL
b15 b0
DATA
DATA(H) DATA(L)
Word (16-bit) data
Byte (8-bit) data
1.8 Data Arrangement
Figure 1.8.2 Data arrangement in memory
Does not change.
1.8.2 Data Arrangement in Memory
Figure 1.8.2 shows data arrangement in memory. Figure 1.8.3 shows some examples of operation.
b7 b0
N DATA
N+1
N+2
N+3
b7 b0
N DATA(L)
N+1 DATA(H)
N+2
N+3
b7 b0
N DATA(L)
N+1 DATA(M)
N+2 DATA(H)
N+3
b7 b0
N DATA(LL)
N+1 DATA(LH)
N+2 DATA(HL)
N+3 DATA(HH)
Word (16-bit) data
Byte (8-bit) data
Long Word (32-bit) data
20-bit (Address) data
Figure 1.8.3 Examples of operation
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