ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 135

• Manufacturer Part Number: ST20-C1
• Description: Instruction Set Reference Manual
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

rmw
Code: 22 F9
Description: Clear and set bits of the memory word at address Areg using the set
mask in Breg and clear mask in Creg.
Definition:
Status Register:
Comments:
See also: bitmask
word [Areg]
Areg
Breg
Creg
No effect
Secondary instruction.
Areg must be word aligned (i.e. divisible by 4).
section 4.8.
(word[Areg]
word[Areg]
Areg
Breg
~Creg)
Breg
memory read modify write
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