You can lookup a single instruction by typing LD in the instruction field, which will show all load instructions. You can also lookup multiple instructions like LD,CMP.
You can also lookup mnemonics like LDX,LDY in the mnemonic field.
To see all instructions click the Show All link.
Show All | Registers | Addressing Modes | Post Bytes | Acknowledgments | Sock's GIME Reference | Sock's CPU Cycle Data Charts
Not case sensitive.
| * = 6309 | Immediate | Direct | Indexed | Extended | Inherent | Relative | Register | Memory | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| * | Mnemonic | Opcode | Cycles | Length | Opcode | Cycles | Length | Opcode | Cycles | Length | Opcode | Cycles | Length | Opcode | Cycles | Length | Opcode | Cycles | Length | Opcode | Cycles | Length | Opcode | Cycles | Length |
| COMB | 53 | 2/1 | 1 | ||||||||||||||||||||||
| E | F | H | I | N | Z | V | C |
| - | - | - | - | X | X | X | 1 |
Complement Accumulator [r' <- r] You can set the Carry flag with COMA and clear it with CLRA. Got for an error condition, when C is set. Use BCC or BCS to test and branch.