NEC 78K0 Series User Manual page 93

CHAPTER 4 MEMORY BANK SELECT FUNCTION (
4.3.2 Branching instruction between memory banks
Instructions cannot branch directly from one memory bank to another.
To branch an instruction from one memory bank to another, branch once to the common area (0000H to 7FFFH),
change the setting of the BANK register there, and then execute the branch instruction again.
Bank
area
Common
area
Bank
area
Common
area
Memory bank m
Instruction branch
Memory bank m
Preliminary User's Manual U17260EJ3V1UD
µ
PD78F0536, 78F0537, AND 78F0537D ONLY)
Memory bank n
Memory bank n
Instruction branch
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