NewOpcode creates a new Opcode.

ADD_OP performs an ADD operation against two registers.

AND_OP performs a logical AND operation against two registers.

CMP_IMMEDIATE compares a register contents with a number.

CMP_REG compares two registers.

CMP_STRING compares a register contents with a string.

DEC_OP decrements the given register by one.

DIV_OP performs a DIVIDE operation against two registers.

EXIT is our first opcode.

INC_OP increments the given register by one.

INT_PRINT is used to print the integer contents of a register.

INT_RANDOM generates a random number.

INT_STORE allows an integer to be stored in a register.

INT_TOSTRING converts an integer-register value to a string.

IS_INTEGER tests if a register contains an integer.

IS_MORE_REG compares reg1 > reg2.

IS_STRING tests if a register contains a string.

JUMP_NZ jumps if the Z-flag is NOT set.

JUMP_TO is an unconditional jump.

JUMP_Z jumps if the Z-flag is set.

MEMCPY copies a region of RAM.

MUL_OP performs a MULTIPLY operation against two registers.

NOP_OP does nothing.

OR_OP performs a logical OR operation against two registers.

PEEK reads from memory.

POKE sets an address-content.

REG_STORE stores the contents of one register in another.

STACK_CALL calls a subroutine.

STACK_POP retrieves a value from the stack.

STACK_PUSH pushes the given register-contents onto the stack.

STACK_RET returns from a CALL.

STRING_CONCAT joins two strings.

STRING_PRINT prints the string contents of a register.

STRING_STORE stores a string in a register.

STRING_SYSTEM executes the system binary stored in the given string-register.

STRING_TOINT converts the given string-register contents to an int.

SUB_OP performs an MINUS operation against two registers.

TRAP_OP invokes a CPU trap.

XOR_OP performs an XOR operation against two registers.

Opcode is a holder for a single instruction.