gipu/cpp/opcodes.h

/*
MEMORY LOCATIONS AND IMMEDIATES ARE 16 BITS LONG
*/
enum OPS_STARTING_VALUES {
  MOVI,
  MOVR,
  LOAD,
  STOR,
  ADDI,
  ADDR,
  SUBI,
  SUBR,
  XORB,
  XORW,
  XORR,
  NOTR,
  MULI,
  MULR,
  DIVI,
  DIVR,
  PUSH,
  POOP,
  CMPI,
  CMPR,
  JUMP,
  JMPA,
  JMPB,
  JMPE,
  SHIT,
  NOPE,
  GRMN,
  NUM_OPS
};

uint8_t OPS[NUM_OPS];

/*
INSTRUCTION SIZE TYPES
*/
#define REG2REG 2
#define IMM2REG 4
#define REG2IMM 4
#define BYT2REG 3
#define UNARY 2
#define SINGLE 1

/*
INSTRUCTION SIZES
*/
#define MOVI_SIZE IMM2REG
#define MOVR_SIZE REG2REG
#define LOAD_SIZE IMM2REG
#define STOR_SIZE REG2IMM
#define ADDI_SIZE IMM2REG
#define ADDR_SIZE REG2REG
#define SUBI_SIZE IMM2REG
#define SUBR_SIZE REG2REG
#define XORB_SIZE BYT2REG
#define XORW_SIZE IMM2REG
#define XORR_SIZE REG2REG
#define NOTR_SIZE UNARY
#define MULI_SIZE IMM2REG
#define MULR_SIZE REG2REG
#define DIVI_SIZE IMM2REG
#define DIVR_SIZE REG2REG
#define PUSH_SIZE UNARY
#define POOP_SIZE UNARY
#define CMPI_SIZE IMM2REG
#define CMPR_SIZE REG2REG
#define JUMP_SIZE UNARY
#define JMPA_SIZE UNARY
#define JMPB_SIZE UNARY
#define JMPE_SIZE UNARY
#define SHIT_SIZE SINGLE
#define NOPE_SIZE SINGLE
#define GRMN_SIZE SINGLE