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INSTRUCTION SET S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
6-76
SB1 — Select Bank 1
SB1
Operation: BANK ← 1
The SB1 instruction sets the bank address flag in the FLAGS register (FLAGS.0) to logic one,
selecting bank 1 register addressing in the set 1 area of the register file. (Bank 1 is not
implemented in some S3C8-series microcontrollers.)
Flags: No flags are affected.
Format:
Bytes Cycles Opcode
(Hex)
opc 1 4 5F
Example: The statement
SB1
sets FLAGS.0 to "1", selecting bank 1 register addressing, if implemented.