Quick Instruction Set List
From Archaic Pixels
+------+----------+-----------------------------+ | | NVTBDIZC | Description | +------+----------+-----------------------------+ | ADC | XX0---XX | Add with Carry | | AND | X-0---X- | Logical AND | | ASL | X-0---XX | Arithmetic Shift left | | BBRi | --0----- | Branch if Bit Reset | | BBSi | --0----- | Branch if Bit Set | | BCC | --0----- | Branch if Carry Clear | | BCS | --0----- | Branch if Carry Set | | BEQ | --0----- | Branch if Equal | | BIT | XX0---X- | Bit Test | | BMI | --0----- | Branch if Minus | | BNE | --0----- | Branch if Not Equal | | BPL | --0----- | Branch if Plus | | BRA | --0----- | Branch Always | | BRK | --0----- | Break | | BSR | --0----- | Branch Sub Routine | | BVC | --0----- | Branch if Overflow Clear | | BVS | --0----- | Branch if Overflow Set | | CLA | --0----- | Clear A | | CLC | --0----0 | Clear Carry flag | | CLD | --0-0--- | Clear Decimal flag | | CLI | --0--0-- | Clear Interrupt disable | | CLV | -00----- | Clear Overflow flag | | CLX | --0----- | Clear X | | CLY | --0----- | Clear Y | | CMP | X-0---XX | Compare A with source | | CPX | X-0---XX | Compare X with source | | CPY | X-0---XX | Compare Y with source | | CSH | --0----- | Clock Select High | | CSL | --0----- | Clock Select Low | | DEC | X-0---X- | Decrement | | DEX | X-0---X- | Decrement X | | DEY | X-0---X- | Decrement Y | | EOR | X-0---X- | Logical Exclusive OR | | INC | X-0---X- | Increment | | INX | X-0---X- | Increment X | | INY | X-0---X- | Increment Y | | JMP | --0----- | Jump | | JSR | --0----- | Jump to Sub Routine | | LDA | X-0---X- | Load A | | LDX | X-0---X- | Load X | | LDY | X-0---X- | Load Y | | LSR | 0-0---XX | Logical Shift Right | | NOP | --0----- | No Operation | | OR | X-0---X- | Logical inclusive OR | | PHA | --0----- | Push A | | PHP | --0----- | Push P | | PHX | --0----- | Push X | | PHY | --0----- | Push Y | | PLA | X-0---X- | Pull A | | PLP | XXXXXXXX | Pull P | | PLX | X-0---X- | Pull X | | PLY | X-0---X- | Pull Y | | RMBi | --0----- | Reset Memory Bit | | ROL | X-0---XX | Rotate Left | | ROR | X-0---XX | Rotate Right | | RTI | XXXXXXXX | Return from Interrupt | | RTS | --0----- | Return from Sub Routine | | SAX | --0----- | Swap A and X | | SAY | --0----- | Swap A and Y | | SBC | XX0---XX | Substract with Carry | | SEC | --0----1 | Set Carry flag | | SED | --0-1--- | Set Decimal flag | | SEI | --0--1-- | Set Interrupt disable | | SET | --1----- | Set T flag | | SMBi | --0----- | Set Memory Bit | | ST0 | --0----- | Store into HuC6270 port 0 | | ST1 | --0----- | Store into HuC6270 port 2 | | ST2 | --0----- | Store into HuC6270 port 3 | | STA | --0----- | Store A | | STX | --0----- | Store X | | STY | --0----- | Store Y | | STZ | --0----- | Store Zero | | SXY | --0----- | Swap X and Y | | TAI | --0----- | Transfer block | | TAMi | --0----- | Transfer A to MPRi | | TAX | X-0---X- | Transfer A to X | | TAY | X-0---X- | Transfer A to Y | | TDD | --0----- | Transfer block | | TIA | --0----- | Transfer block | | TII | --0----- | Transfer block | | TIN | --0----- | Transfer block | | TMAi | --0----- | Transfer MPRi to A | | TRB | XX0---X- | Test and Reset Bit | | TSB | XX0---X- | Test and Set Bit | | TST | XX0---X- | Test memory | | TSX | X-0---X- | Transfer S to X | | TXA | X-0---X- | Transfer X to A | | TXS | --0----- | Transfer X to S | | TYA | X-0---X- | Transfer Y to A | +------+----------+-----------------------------+