// Opcode definitions.


#define OpcodeJMPT       0x01    /* branch on true */

#define OpcodeJMPF       0x02    /* branch on false */

#define OpcodeBR         0x03    /* branch unconditionally */

#define OpcodeTRUE       0x04    /* load val with true */

#define OpcodeNIL        0x05    /* load val with nil */

#define OpcodePUSH       0x06    /* push val onto stack */

#define OpcodeNOT        0x07    /* logical negate top of stack */

#define OpcodeADD        0x08    /* add two numeric expressions */

#define OpcodeSUB        0x09    /* subtract two numeric expressions */

#define OpcodeMUL        0x0a    /* multiply two numeric expressions */

#define OpcodeDIV        0x0b    /* divide two numeric expressions */

#define OpcodeREM        0x0c    /* remainder of two numeric expressions */

#define OpcodeBAND       0x0d    /* bitwise and of top two stack entries */

#define OpcodeBOR        0x0e    /* bitwise or of top two stack entries */

#define OpcodeXOR        0x0f    /* bitwise xor of top two stack entries */

#define OpcodeBNOT       0x10    /* bitwise not of top two stack entries */

#define OpcodeSHL        0x11    /* shift left top two stack entries */

#define OpcodeSHR        0x12    /* shift right top two stack entries */

#define OpcodeLT         0x13    /* less than */

#define OpcodeLE         0x14    /* less than or equal */

#define OpcodeEQ         0x15    /* equal */

#define OpcodeNE         0x16    /* not equal */

#define OpcodeGE         0x17    /* greater than or equal */

#define OpcodeGT         0x18    /* greater than */

#define OpcodeLIT        0x19    /* load literal */

#define OpcodeGREF       0x1a    /* load a global variable value */

#define OpcodeGSET       0x1b    /* set the value of a global variable */

#define OpcodeGETP       0x1c    /* get the value of an object property */

#define OpcodeSETP       0x1d    /* set the value of an object property and return the value */

#define OpcodeRETURN     0x1e    /* return from interpreter */

#define OpcodeCALL       0x1f    /* call a function */

#define OpcodeSEND       0x20    /* send a message to an object */

#define OpcodeEREF       0x21    /* load an environment value */

#define OpcodeESET       0x22    /* set an environment value */

#define OpcodeFRAME      0x23    /* push an environment frame */

#define OpcodeUNFRAME    0x24    /* pop an environment frame */

#define OpcodeVREF       0x25    /* get an element of a vector */

#define OpcodeVSET       0x26    /* set an element of a vector */

#define OpcodeNEG        0x27    /* negate top of stack */

#define OpcodeINC        0x28    /* increment */

#define OpcodeDEC        0x29    /* decrement */

#define OpcodeDUP2       0x2a    /* duplicate top two elements on the stack */

#define OpcodeDROP       0x2b    /* drop the top entry from the stack */

#define OpcodeDUP        0x2c    /* duplicate the top entry on the stack */

#define OpcodeOVER       0x2d    /* duplicate the second entry on the stack */

#define OpcodeNEWOBJECT  0x2e    /* create a new object */

#define OpcodeCFRAME     0x2f    /* create an environment frame */

#define OpcodeNEWVECTOR  0x30    /* create a new vector */

#define OpcodeARGFRAME   0x31    /* create an argument frame */

#define OpcodeARGFRAMER  0x32    /* create an argument frame with rest argument */

#define OpcodeCLOSE      0x33    /* create a closure */

#define OpcodeSWITCH     0x34    /* switch dispatch */

#define OpcodeARGSGE     0x35    /* argc greater than or equal to */

#define OpcodePUSHSCOP   0x36    /* push two copies of the current opcode object */

#define OpcodeTHROW      0x37    /* throw an exception */