#ifndef __FINSH_OP_H__
#define __FINSH_OP_H__

#include "finsh_vm.h"

/*
 * FinC VM specification
 * Memory
 * .VAR
 *
 * .STACK
 *
 * .HEAP
 *
 * .TEXT
 * OP [op1]
 */

#define FINSH_OP_NOOP			0x00

/* add @ r1 = r2 + r3 */
#define FINSH_OP_ADD_BYTE		0x01
#define FINSH_OP_ADD_WORD		0x02
#define FINSH_OP_ADD_DWORD		0x03

/* sub @ r1 = r2 - r3 */
#define FINSH_OP_SUB_BYTE		0x04
#define FINSH_OP_SUB_WORD		0x05
#define FINSH_OP_SUB_DWORD		0x06

/* div @ r1 = r2 / r3 */
#define FINSH_OP_DIV_BYTE		0x07
#define FINSH_OP_DIV_WORD		0x08
#define FINSH_OP_DIV_DWORD		0x09

/* mod @ r1 = r2 % r3 */
#define FINSH_OP_MOD_BYTE		0x0A
#define FINSH_OP_MOD_WORD		0x0B
#define FINSH_OP_MOD_DWORD		0x0C

/* mul @ r1 = r2 * r3 */
#define FINSH_OP_MUL_BYTE		0x0D
#define FINSH_OP_MUL_WORD		0x0E
#define FINSH_OP_MUL_DWORD		0x0F

/* and @ r1 = r2 & r3 */
#define FINSH_OP_AND_BYTE		0x10
#define FINSH_OP_AND_WORD		0x11
#define FINSH_OP_AND_DWORD		0x12

/* or  @ r1 = r2 | r3 */
#define FINSH_OP_OR_BYTE		0x13
#define FINSH_OP_OR_WORD		0x14
#define FINSH_OP_OR_DWORD		0x15

/* xor @ r1 = r2 ^ r3 */
#define FINSH_OP_XOR_BYTE		0x16
#define FINSH_OP_XOR_WORD		0x17
#define FINSH_OP_XOR_DWORD		0x18

/* bw  @ r1 = ~r2 */
#define FINSH_OP_BITWISE_BYTE	0x19
#define FINSH_OP_BITWISE_WORD	0x1A
#define FINSH_OP_BITWISE_DWORD	0x1B

/* shl @ r1 = r2 << r3 */
#define FINSH_OP_SHL_BYTE		0x1C
#define FINSH_OP_SHL_WORD		0x1D
#define FINSH_OP_SHL_DWORD		0x1E

/* shr @ r1 = r2 >> r3 */
#define FINSH_OP_SHR_BYTE		0x1F
#define FINSH_OP_SHR_WORD		0x20
#define FINSH_OP_SHR_DWORD		0x21

/* ld  @ r1 = [r2] */
#define FINSH_OP_LD_BYTE		0x22
#define FINSH_OP_LD_WORD		0x23
#define FINSH_OP_LD_DWORD		0x24

#define FINSH_OP_LD_VALUE_BYTE	0x25
#define FINSH_OP_LD_VALUE_WORD	0x26
#define FINSH_OP_LD_VALUE_DWORD	0x27

/* st  @ [r2] = r1 */
#define FINSH_OP_ST_BYTE		0x28
#define FINSH_OP_ST_WORD		0x29
#define FINSH_OP_ST_DWORD		0x2A

/* pop */
#define FINSH_OP_POP			0x2B

/* call r1 @ [r1](stack) */
#define FINSH_OP_SYSCALL		0x2C

/* load value from stack */
#define FINSH_OP_LD_VALUE_BYTE_STACK	0x2D
#define FINSH_OP_LD_VALUE_WORD_STACK	0x2E
#define FINSH_OP_LD_VALUE_DWORD_STACK	0x2F

/* halt */
#define FINSH_OP_HALT			0xFF

typedef void (*op_func)();
extern op_func op_table[];

#endif