MC68030 Datasheet, PDF (65/602 Pages) Motorola, Inc – ENHANCED 32-BIT MICROPROCESSOR

Data Organization and Addressing Capabilities
A6 = 1
2
3
4
SYNTAX: MOVE.W (A5, A6.L*SCALE),(A7)
WHERE:
A5 = ADDRESS OF ARRAY STRUCTURE
A6 = INDEX NUMBER OF ARRAY ITEM
A7 = STACK POINTER
SIMPLE ARRAY
(SCALE = 1)
15
0
A6 = 1
RECORD OF 2 WORDS
(SCALE = 2)
15
0
2
A6 = 1
RECORD OF 4 WORDS
(SCALE = 4)
15
0
A6 = 1
RECORD OF 8 WORDS
(SCALE = 8)
15
0
2
2
NOTE: Regardless of array structure, software increments
index by the appropriate amount to point to next record.
Figure 2-7. Addressing Array Items
MOTOROLA
MC68030 USER’S MANUAL
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