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APPLICATION
5.3 Usage example of ROM correction function (M37221M8/MA-XXXSP)
5.3.5 Notes on use
When using the ROM correction function, note the following.
Specify the first address (op code address) of each instruction as the ROM correction address.
Use the RTS, RTI or JMP instruction (total of 3 bytes) to return from the correction program to the main
program.
Do not set the same address to ROM correction addresses 1 and 2 (addresses 0217
5-20
7220 Group User's Manual
to 021A
).
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