gipu/cpp/vm.h

#ifndef VM_H
#define VM_H
#include <stdint.h>
#include "vmas.h"

enum regs { R0, R1, R2, R3, S0, S1, S2, S3, IP, BP, SP };

enum ins {
  MOVI,
  MOVR,
  MOVM,
  ADDI,
  ADDR,
  ADDM,
  SUBI,
  SUBR,
  SUBM,
  XORI,
  XORR,
  XORM,
  NOTI,
  NOTR,
  NOTM,
  MULI,
  MULR,
  MULM,
  DIVI,
  DIVR,
  DIVM,
  PUSH,
  POOP,
  CALL,
  HALT,
  NOPE
};

class VM {
  uint16_t regs[0xb];
  struct flags {
    uint8_t zf : 1;
    uint8_t cf : 1;
  };
  VMAddrSpace as;

public:
  VM();
  VM(uint8_t *code, uint32_t codesize);
  void init_regs(void);
  void status(void);
  void run(uint8_t *code);
};

#endif