MVM

MVM Architecture

List of available instructions:

Op. code	Op. mnemo	Description
0x00	NOP	No operation
0x01	HALT	Stop the program execution
0x02	PUSH x	Push number to stack
0x03	POP	Pop number from a stack
0x04	DUP	Duplicate the top stack element
0x05	SWAP	Swap first and second stack elements
0x06	ADD	Pop 1st and 2nd stack elements, add them and push to stack
0x07	SUB	Pop 1st and 2nd stack elements, subtract them and push to stack
0x08	MUL	Pop 1st and 2nd stack elements, multiply them and push to stack
0x09	DIV	Pop 1st and 2nd stack elements, divide them and push to stack
0x0A	NEG	Negate the top stack element
0x0B	NOT	Pop top stack element. If it's equal to 0 then push 1, else push 0
0x0C	CALL x	Jump to the x address and push new stack frame
0x0D	RET	Return to the caller and pop the stack frame
0x0E	JMP x	Perform the unconditional jump to x address
0x0F	JE x	Jump to x if top element == 0
0x10	JNE x	Jump to x if top element != 0
0x11	JG x	Jump to x if top element > 0
0x12	JL x	Jump to x if top element < 0
0x13	JGE x	Jump to x if top element >= 0
0x14	JLE x	Jump to x if top element <= 0
0x15	LD x	Push local variable to stack