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.
To see all instructions click the Show All button.
Show All | Registers | Addressing Modes | Acknowledgments | Sock's GIME Reference | Sock's CPU Cycle Data Charts
Not case sensitive.