#ifndef dream_disasm_H

#define dream_disasm_H 1

#include <stdlib.h>

#ifdef __cplusplus

extern "C" {

#endif

/**

 * Disassembly function pointer typedef.

 *

 * @param pc Address to disassemble

 * @param buffer String buffer to write disassembly into

 * @param buflen Maximum length of buffer

 * @return next address to disassemble

 */

typedef uint32_t (*disasm_func_t)(uint32_t pc, char *buffer, int buflen, char *opcode );

typedef int (*is_valid_page_t)(uint32_t pc);

#define REG_INT 0

#define REG_FLT 1

#define REG_SPECIAL 2

/**

 * Structure that defines a single register in a CPU for display purposes.

 */

typedef struct reg_desc_struct {

    char *name;

    int type;

    void *value;

} reg_desc_t;

typedef struct cpu_desc_struct {

  char *name; /* CPU Name */

  disasm_func_t disasm_func; /* Disassembly function */

  size_t instr_size; /* Size of instruction */

  char *regs; /* Pointer to start of registers */

  size_t regs_size; /* Size of register structure in bytes */

  const struct reg_desc_struct *regs_info; /* Description of all registers */

  uint32_t *pc; /* Pointer to PC register */

  uint32_t *icount; /* Pointer to instruction counter */

  /* Memory map? */

    is_valid_page_t is_valid_page_func; /* Test for valid memory page */

} *cpu_desc_t;

#ifdef __cplusplus

}

#endif

#endif /* !dream_disasm_H */