We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

Implied Addressing: Difference between revisions

From SnesLab
Jump to: navigation, search
(opcode 7B)
(opcode 9B)
Line 15: Line 15:
* [[TXA]]
* [[TXA]]
* [[TXS]]
* [[TXS]]
* [[TXY]]
* [[TXY]] (opcode 9B)
* [[TYA]]
* [[TYA]]
* [[TYX]]
* [[TYX]]

Revision as of 23:18, 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