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Add Using Halfword Addressing Mode ADDAH
3-53 Instruction SetSPRU733
Example 1 ADDAH .D1 A4,A2,A4
Before instruction 1 cycle after instruction
A2
0000 000Bh
A2 0000 000Bh
A4 0000 0100h A4 0000 0106h
AMR 0002 0001h AMR 0002 0001h
BK0 = 2 → size = 8
A4 in circular addressing mode using BK0
Example 2 ADDAH .D1X B14,42h,A4
Before instruction 1 cycle after instruction
B14
0020 1000h
A4 0020 1084h
Example 3 ADDAH .D2 B14,7FFFh,B4
Before instruction 1 cycle after instruction
B14
0010 0000h
B4 0010 FFFEh