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BRK - Break / software interrupt
RTI - Return from interrupt

AND - And
EOR - Xor
ORA - Or

BIT - Test bit
NOP - No operation

DEC - Decrement value in memory
DEX - Decrement X
DEY - Decrement Y
INC - Increment value in memory
INX - Increment X
INY - Increment Y

ADC - Add with carry
SBC - Subtract with carry

JMP - Jump
JSR - Jump to subroutine
RTS - Return from subroutine

LDA - Load Accumulator
LDX - Load X
LDY - LoadY
STA - Store Accumulator
STX - Store X
STY - Store Y
TAX - Transfer Accumulator to X
TAY - Transfer Accumulator to Y
TSX - Transfer stack pointer to X
TXA - Transfer X to Accumulator
TXS - Transfer X to stack pointer
TYA - Transfer Y to Accumulator

BCC - Branch on carry clear
BCS - Branch on carry set
BEQ - Branch on equal (zero set)
BMI - Branch on minus (negative set)
BNE - Branch on not equal (zero clear)
BPL - Branch on plus (negative clear)
BVC - Branch on overflow clear
BVS - Branch on overflow set

CLC - Clear carry
CLD - Clear decimal
CLI - Clear interrupt disable
CLV - Clear overflow
SEC - Set carry
SED - Set decimal
SEI - Set interrupt disable

ASL - Arithmetic shift left
LSR - Logical shift right
ROL - Rotate left
ROR - Rotate right

CMP - Compare with accumulator
CPX - Compare with X
CPY - Compare with Y

PHA - Push Accumulator
PHP - Push processor status register
PLA - Pull Accumulator
PLP - Pull processor status register