Fujitsu MB90390 Series Hardware Manual page 78

CHAPTER 2 CPU
■ Consecutive Prefix Codes
When competitive prefix codes are placed consecutively, the latter becomes valid.
In the figure below, competitive prefix codes are PCB, ADB, DTB, and SPB. For details, see
Figure 2.10-3.
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Figure 2.10-3 Consecutive Prefix Codes
Prefix code
ADB DTB
ADD A,01H
PCB
PCB is valid as the prefix code
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