#include <stdio.h>
#include <stddef.h>

#include "../pico/pico_int.h"

#define DUMP(f, field) \
  fprintf(f, "#define %-20s 0x%02x\n", \
    "OFS_" #field, \
    (int)offsetof(struct PicoEState, field))

int main(int argc, char *argv[])
{
  char buf[128];
  FILE *f;

  snprintf(buf, sizeof(buf), "pico/pico_int_o%d.h", sizeof(void *) * 8);
  f = fopen(buf, "w");
  if (!f) {
    perror("fopen");
    return 1;
  }

  fprintf(f, "/* autogenerated by %s, do not edit */\n", argv[0]);
  DUMP(f, DrawScanline);
  DUMP(f, rendstatus);
  DUMP(f, DrawLineDest);
  DUMP(f, HighCol);
  DUMP(f, HighPreSpr);
  DUMP(f, Pico_video);
  DUMP(f, Pico_vram);
  DUMP(f, PicoOpt);
  DUMP(f, Draw2FB);
  DUMP(f, HighPal);
  fclose(f);

  return 0;
}