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Implied Addressing: Difference between revisions

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(opcode EB)
(opcode 7B)
Line 10: Line 10:
* [[TCD]] (opcode 5B)
* [[TCD]] (opcode 5B)
* [[TSC]]
* [[TSC]]
* [[TDC]]
* [[TDC]] (opcode 7B)
* [[TSC]]
* [[TSC]]
* [[TSX]]
* [[TSX]]

Revision as of 23:17, 26 June 2024

There are three types of Implied Addressing on the 65c816:

Type 1 - The register(s) to be operated on are implied in the mnemonic: (17 instructions)

Type 2 - The flag(s) to be operated on are implied in the mnemonic: (8 instructions)

Type 3 - Neither flags nor registers operated on: (4 instructions)

  • NOP (opcode EA)
  • STP (opcode DB)
  • WAI (opcode CB)
  • WDM (opcode 42)

All implied instructions except for WDM are one byte long.

Reference