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Samsung S3F80JB User Manual

Page 204

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INSTRUCTION SET

S3F80JB

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 KS88-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.