Exemplo n.º 1
0
BOOL iffgetchunk(strid_t stream, char *desttype, glui32 *ulength,
		 glui32 file_size)
{
  int i;
  glui32 c;
  unsigned char length[4];

  c = glk_stream_get_position(stream);
  if(c & 1) {
    glk_get_char_stream(stream);    /* Eat padding */
    c++;
  }

  if(glk_get_buffer_stream(stream, desttype, 4) != 4)
    return FALSE;
  if(glk_get_buffer_stream(stream, (char *) length, 4) != 4)
    return FALSE;

  *ulength = MSBdecode4(length);

  for(i = 0; i < 4; i++)
    if(desttype[i] < 0x20 || desttype[i] > 0x7e)
      return FALSE;

  c += 8;

  return ((c + *ulength) <= file_size);
}
Exemplo n.º 2
0
glui32 fillstruct(strid_t stream, const unsigned *info, glui32 *dest,
		  glui32 (*special)(strid_t))
{
  unsigned char buffer[4];
  unsigned e;
  glui32 len = 0;;

  for(e = 0; info[e]; e++) {
    if(info[e] == 0x8000) {
      *dest++ = special(stream);
      len++;
    }
    else if(info[e] > 4) {
      unsigned i;
      for(i = 0; i < info[e]; i++) {
	*dest++ = glk_get_char_stream(stream);
	len++;
      }
    } else {
      glk_get_buffer_stream(stream, (char *) buffer, info[e]);

      switch(info[e]) {
      case 1: *dest = MSBdecode1(buffer); break;
      case 2: *dest = MSBdecode2(buffer); break;
      case 3: *dest = MSBdecode3(buffer); break;
      case 4: *dest = MSBdecode4(buffer); break;
      }
      dest++;
      len+=info[e];
    }
  }
  return len;
}
Exemplo n.º 3
0
int glkint_readchar(z_file *fileref)
{
  if (fileref->implementation == FILE_IMPLEMENTATION_STDIO)
    return z_filesys_interface_c.readchar(fileref);
  else
  {
    int ch = glk_get_char_stream((strid_t)fileref->file_object);
    if (ch < 0)
      return -1;
    return ch;
  }
}
Exemplo n.º 4
0
static glui32 write_memstate(dest_t *dest)
{
  glui32 res, pos;
  int val;
  int runlen;
  unsigned char ch;

  res = write_long(dest, endmem);
  if (res)
    return res;

  runlen = 0;
  glk_stream_set_position(gamefile, gamefile_start+ramstart, seekmode_Start);

  for (pos=ramstart; pos<endmem; pos++) {
    ch = Mem1(pos);
    if (pos < endgamefile) {
      val = glk_get_char_stream(gamefile);
      if (val == -1) {
        fatal_error("The game file ended unexpectedly while saving.");
      }
      ch ^= (unsigned char)val;
    }
    if (ch == 0) {
      runlen++;
    }
    else {
      /* Write any run we've got. */
      while (runlen) {
        if (runlen >= 0x100)
          val = 0x100;
        else
          val = runlen;
        res = write_byte(dest, 0);
        if (res)
          return res;
        res = write_byte(dest, (val-1));
        if (res)
          return res;
        runlen -= val;
      }
      /* Write the byte we got. */
      res = write_byte(dest, ch);
      if (res)
        return res;
    }
  }
  /* It's possible we've got a run left over, but we don't write it. */

  return 0;
}
Exemplo n.º 5
0
glui32 glk_get_line_stream(strid_t str, char *buf, glui32 len) {
  glui32 offset;
  
  /* FIXME: Halt on error reading properly. */
  for (offset = 0; offset < len; offset++) {
    buf[offset] = glk_get_char_stream(str);
    if (buf[offset] == '\n') {
      break;
    }
  }
  buf[offset+1] = '\0';

  return offset;
}
Exemplo n.º 6
0
glui32 glk_get_buffer_stream(strid_t str, char *buf, glui32 len) {
  glui32 i;

  for (i=0; i<len; i++) {
    glsi32 c = glk_get_char_stream(str);
    if (c == -1) {
      printf("glk_get_buffer_stream terminating from -1, %d of %d\n", i, len);
      return i-1;
    }
    if (c > 0xFF) {
      printf("'?' while narrowing in glk_get_buffer_stream!\n");
      exit(21);
      buf[i] = '?';
    } else {
      buf[i] = (char)c;
      /* printf("glk_get_buffer_stream [%d]: 0x%x\n", i, buf[i]); */
    }
  }

  printf("DEBUG: glk_get_buffer_stream terminating from running out the clock, %d of %d\n", i, len);
  return i;
}
Exemplo n.º 7
0
git_sint32 restoreFromFile (git_sint32 * base, git_sint32 id,
    git_uint32 protectPos, git_uint32 protectSize)
{
    git_uint32 protectEnd = protectPos + protectSize;
    git_uint32 i;
    strid_t file;
    glui32 fileSize, fileStart;

    int gotIdent = 0;
    int gotMemory = 0;
    int gotStack = 0;
    int gotHeap = 0;

    // Find out what stream they want to use, and make sure it's valid.
    file = git_find_stream_by_id (id);
    if (file == 0)
        return 1;

    // Read IFF header.
    if (readWord (file) != read32("FORM"))
        return 1; // Not an IFF file.
    
    fileSize = readWord (file);
    fileStart = glk_stream_get_position (file);
    
    if (readWord (file) != read32("IFZS"))
        return 1; // Not a Quetzal file.
    
    // Discard the current heap.
    heap_clear();
    
    // Read all the chunks.
    
    while (glk_stream_get_position(file) < fileStart + fileSize)
    {
        git_uint32 chunkType, chunkSize, chunkStart;
        chunkType = readWord (file);
        chunkSize = readWord (file);
        chunkStart = glk_stream_get_position (file);

        if (chunkType == read32("IFhd"))
        {
            if (gotIdent)
                return 1;

            gotIdent = 1;

            if (chunkSize != 128)
                return 1;

            for (i = 0 ; i < 128 ; ++i)
            {
                glui32 c = glk_get_char_stream (file);
                if (gRom [i] != c)
                    return 1;
            }
        }
        else if (chunkType == read32("Stks"))
        {
            if (gotStack)
                return 1;

            gotStack = 1;

            if (chunkSize & 3)
                return 1;

            gStackPointer = base;
            for ( ; chunkSize > 0 ; chunkSize -= 4)
                *gStackPointer++ = readWord(file);
        }
        else if (chunkType == read32("CMem"))
        {
            git_uint32 bytesRead = 0;
            if (gotMemory)
                return 1;

            gotMemory = 1;

            if (resizeMemory (readWord(file), 1))
                fatalError ("Can't resize memory map");

            bytesRead = 4;
            i = gRamStart;
            while (i < gExtStart && bytesRead < chunkSize)
            {
                int mult = 0;
                char c = (char) glk_get_char_stream(file);
                ++bytesRead;
                
                if (c == 0)
                {
                    mult = (unsigned char) glk_get_char_stream(file);
                    ++bytesRead;
                }
                
                for (++mult ; mult > 0 ; --mult, ++i)
                    if (i >= protectEnd || i < protectPos)
                        gRam [i] = gRom [i] ^ c;
            }

            while (i < gEndMem && bytesRead < chunkSize)
            {
                int mult = 0;
                char c = (char) glk_get_char_stream(file);
                ++bytesRead;
                
                if (c == 0)
                {
                    mult = (unsigned char) glk_get_char_stream(file);
                    ++bytesRead;
                }
                
                for (++mult ; mult > 0 ; --mult, ++i)
                    if (i >= protectEnd || i < protectPos)
                        gRam [i] = c;
            }

            while (i < gExtStart)
                if (i >= protectEnd || i < protectPos)
                    gRam [i] = gRom [i], ++i;

            while (i < gEndMem)
                if (i >= protectEnd || i < protectPos)
                    gRam [i] = 0, ++i;

            if (bytesRead != chunkSize)
                return 1; // Too much data!

            if (chunkSize & 1)
                glk_get_char_stream (file);
        }
        else if (chunkType == read32("MAll"))
        {
            glui32 heapSize = 0;
            glui32 * heap = 0;

            if (gotHeap)
                return 1;

            gotHeap = 1;

            if (chunkSize & 3)
                return 1;

            if (chunkSize > 0)
            {
                heap = malloc (chunkSize);
                heapSize = chunkSize / 4;
                for (i = 0 ; i < heapSize ; ++i)
                    heap[i] = readWord(file);

                /* The summary might have come from any interpreter, so it could
                  be out of order. We'll sort it. */
                qsort(heap+2, (heapSize-2)/2, 8, &sort_heap_summary);

                if (heap_apply_summary (heapSize, heap))
                    fatalError ("Couldn't apply heap summary");
                free (heap);
            }
        }
        else
        {
            // Unknown chunk type -- just skip it.
            glk_stream_set_position (file, (chunkSize + 1) & ~1, seekmode_Current);
        }
    }

    // Make sure we have all the chunks we need.

    if (!gotIdent)
        fatalError ("No ident chunk in save file");

    if (!gotStack)
        fatalError ("No stack chunk in save file");

    if (!gotMemory)
        fatalError ("No memory chunk in save file");

    // If we reach this point, we restored successfully.

    return 0;
}
Exemplo n.º 8
0
static glui32 read_memstate(dest_t *dest, glui32 chunklen)
{
  glui32 chunkend = dest->pos + chunklen;
  glui32 newlen;
  glui32 res, pos;
  int val;
  int runlen;
  unsigned char ch, ch2;
#ifdef SERIALIZE_CACHE_RAM
  glui32 cachepos;
#endif /* SERIALIZE_CACHE_RAM */

  heap_clear();

  res = read_long(dest, &newlen);
  if (res)
    return res;

  res = change_memsize(newlen, FALSE);
  if (res)
    return res;

  runlen = 0;

#ifdef SERIALIZE_CACHE_RAM
  cachepos = 0;
#else /* SERIALIZE_CACHE_RAM */
  glk_stream_set_position(gamefile, gamefile_start+ramstart, seekmode_Start);
#endif /* SERIALIZE_CACHE_RAM */

  for (pos=ramstart; pos<endmem; pos++) {
    if (pos < endgamefile) {
#ifdef SERIALIZE_CACHE_RAM
      val = ramcache[cachepos];
      cachepos++;
#else /* SERIALIZE_CACHE_RAM */
      val = glk_get_char_stream(gamefile);
      if (val == -1) {
        fatal_error("The game file ended unexpectedly while restoring.");
      }
#endif /* SERIALIZE_CACHE_RAM */
      ch = (unsigned char)val;
    }
    else {
      ch = 0;
    }

    if (dest->pos >= chunkend) {
      /* we're into the final, unstored run. */
    }
    else if (runlen) {
      runlen--;
    }
    else {
      res = read_byte(dest, &ch2);
      if (res)
        return res;
      if (ch2 == 0) {
        res = read_byte(dest, &ch2);
        if (res)
          return res;
        runlen = (glui32)ch2;
      }
      else {
        ch ^= ch2;
      }
    }

    if (pos >= protectstart && pos < protectend)
      continue;

    MemW1(pos, ch);
  }

  return 0;
}
Exemplo n.º 9
0
void gidispatch_call(glui32 funcnum, glui32 numargs, gluniversal_t *arglist)
{
  gidispatch_function_t *gidispatch_function;
  char *prototype;
  int argument = 0;
  int slot = 0;
  
  gidispatch_function = gidispatch_get_function_by_id(funcnum);
  prototype = gidispatch_prototype(funcnum);
  printf("DEBUG: dispatch call name=%s, prototype=%s, numargs=%u -- ", gidispatch_function->name, prototype, (unsigned int)numargs);
  
  if (strcmp(prototype, "4IuIuIuIs") == 0) {
    printf("%u, %u, %u, %d\n", arglist[0].uint, arglist[1].uint, arglist[2].uint, arglist[3].sint);
  } else if (strcmp(prototype, "3IuIu:Iu") == 0) {
    printf("%u, %u, returning a glui32\n", arglist[0].uint, arglist[1].uint);
  } else if (strcmp(prototype, "3Qa<Iu:Qa") == 0) {
    printf("win at %p, outref to a glui32, returning a winid_t\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "3Qc<Iu:Qc") == 0) {
    printf("fileref at %p, outref to a glui32, returning a frefid_t\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "1Qa:") == 0) {
    printf("win at %p\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "6QaIuIuIuIu:Qa") == 0) {
    printf("win at %p, %u, %u, %u, %u, returning a winid_t\n", arglist[0].opaqueref, arglist[1].uint, arglist[2].uint, arglist[3].uint, arglist[4].uint);
  } else if (strcmp(prototype, "4IuIuIuIs:") == 0) {
    printf("%u, %u, %u, %d\n", arglist[0].uint, arglist[1].uint, arglist[2].uint, arglist[3].sint);
  } else if (strcmp(prototype, "1Qb:") == 0) {
    printf("stream at %p\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "1Iu:") == 0) {
    printf("%u\n", arglist[0].uint);
  } else if (strcmp(prototype, "2Qb<[2IuIu]:") == 0) {
    printf("stream at %p, some struct stuff here\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "3IuIuIu:") == 0) {
    printf("%u, %u, %u\n", arglist[0].uint, arglist[1].uint, arglist[2].uint);
  } else if (strcmp(prototype, "1:Qb") == 0) {
    printf("returning a strid_t\n");
  } else if (strcmp(prototype, "4&+#!IuIuIu:Qb") == 0) {
    printf("retained, nonnull, array of glui32 at %p for length %u, %u, %u, returning a strid_t\n", arglist[1].array, arglist[2].uint, arglist[3].uint, arglist[4].uint);
  } else if (strcmp(prototype, "2Qc:Iu") == 0) {
    printf("fileref at %p, returning a glui32\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "1<+[4IuQaIuIu]:") == 0) {
    printf("some struct stuff here, nonnull\n");
  } else if (strcmp(prototype, "1:Qb") == 0) {
    printf("returning a strid_t\n");
  } else if (strcmp(prototype, "2Qb:Is") == 0) {
    printf("stream at %p, returning a glsi32\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "2Qc:Iu") == 0) {
    printf("fileref at %p, returning a glui32\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "3Qa&+#!CnIu:") == 0) {
    printf("win at %p, retained, nonnull, array of char at %p for length %u, %u\n", arglist[0].opaqueref, arglist[2].array, arglist[3].uint, arglist[4].uint);
  } else if (strcmp(prototype, "3Qb<Iu:Qb") == 0) {
    printf("stream at %p, outref to a glui32, returning a strid_t\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "4&+#!CnIuIu:Qb") == 0) {
    printf("retained, nonnull, array of char at %p for length %u, %u, %u, returning a strid_t\n", arglist[1].array, arglist[2].uint, arglist[3].uint, arglist[4].uint);
  } else if (strcmp(prototype, "4&+#!IuIuIu:Qb") == 0) {
    printf("retained, nonnull, array of glui32 at %p for length %u, %u, %u, returning a strid_t\n", arglist[1].array, arglist[2].uint, arglist[3].uint, arglist[4].uint);
  } else if (strcmp(prototype, "4IuSIu:Qc") == 0) {
    printf("%u, %s, %u, returning a frefid_t\n", arglist[0].uint, arglist[1].charstr, arglist[2].uint);
  } else if (strcmp(prototype, "4QcIuIu:Qb") == 0) {
    printf("fileref at %p, %u, %u, returning a strid_t\n", arglist[0].opaqueref, arglist[1].uint, arglist[2].uint);
  } else if (strcmp(prototype, "3Qa<Iu<Iu:") == 0) {
    printf("win at %p, outref to a glui32, outref to a glui32\n", arglist[0].opaqueref);
  } else if (strcmp(prototype, "6QaIuIsIsIuIu:") == 0) {
    printf("win at %p, %u, %d, %d, %u, %u\n", arglist[0].opaqueref, arglist[1].uint, arglist[2].sint, arglist[3].sint, arglist[4].uint, arglist[5].uint);
  } else if (strcmp(prototype, "4Iu<Iu<Iu:Iu") == 0) {
    printf("%u, outref to a glui32, outref to a glui32, returning a glui32\n", arglist[0].uint);
  } else {
    printf("unhandled prototype\n");
  }
  
  switch (funcnum) {
  case 0x0004: /* gestalt */
    arglist[3].uint = glk_gestalt(arglist[0].uint, arglist[1].uint);
    break;
  case 0x0005: /* gestalt_ext */
    if (arglist[2].ptrflag) {
      arglist[6].uint = glk_gestalt_ext(arglist[0].uint, arglist[1].uint,
                                        arglist[3].array, arglist[4].uint);
    }
    else {
      arglist[4].uint = glk_gestalt_ext(arglist[0].uint, arglist[1].uint,
                                        NULL, 0);
    }
    break;
  case 0x0020: /* window_iterate */
    if (arglist[1].ptrflag) 
      arglist[4].opaqueref = glk_window_iterate(arglist[0].opaqueref, &arglist[2].uint);
    else
      arglist[3].opaqueref = glk_window_iterate(arglist[0].opaqueref, NULL);
    break;
  case 0x0023: /* window_open */
    arglist[6].opaqueref = glk_window_open(arglist[0].opaqueref, arglist[1].uint, 
                                           arglist[2].uint, arglist[3].uint, arglist[4].uint);
    break;

  case 0x0025: /* window_get_size */
    {
      int ix = 1;
      glui32 *ptr1, *ptr2;
      if (!arglist[ix].ptrflag) {
        ptr1 = NULL;
      }
      else {
        ix++;
        ptr1 = &(arglist[ix].uint);
      }
      ix++;
      if (!arglist[ix].ptrflag) {
        ptr2 = NULL;
      }
      else {
        ix++;
        ptr2 = &(arglist[ix].uint);
      }
      ix++;
      glk_window_get_size(arglist[0].opaqueref, ptr1, ptr2);
    }
    break;
  case 0x0028: /* window_get_type */
    arglist[2].uint = glk_window_get_type(arglist[0].opaqueref);
    break;
  case 0x002A: /* window_clear */
    glk_window_clear(arglist[0].opaqueref);
    break;
  case 0x002B: /* window_move_cursor */
    glk_window_move_cursor(arglist[0].opaqueref, arglist[1].uint, 
                           arglist[2].uint);
    break;
  case 0x002F: /* set_window */
    glk_set_window(arglist[0].opaqueref);
    break;
    
  case 0x0040: /* stream_iterate */
    if (arglist[1].ptrflag) 
      arglist[4].opaqueref = glk_stream_iterate(arglist[0].opaqueref, &arglist[2].uint);
    else
      arglist[3].opaqueref = glk_stream_iterate(arglist[0].opaqueref, NULL);
    break;
  case 0x0042: /* stream_open_file */
    arglist[4].opaqueref = glk_stream_open_file(arglist[0].opaqueref, arglist[1].uint, 
                                                arglist[2].uint);
    break;
  case 0x0043: /* stream_open_memory */
    if (arglist[0].ptrflag) 
      arglist[6].opaqueref = glk_stream_open_memory(arglist[1].array, 
                                                    arglist[2].uint, arglist[3].uint, arglist[4].uint);
    else
      arglist[4].opaqueref = glk_stream_open_memory(NULL, 
                                                    0, arglist[1].uint, arglist[2].uint);
    break;
  case 0x0044: /* stream_close */
    if (arglist[1].ptrflag) {
      stream_result_t dat;
      glk_stream_close(arglist[0].opaqueref, &dat);
      arglist[2].uint = dat.readcount;
      arglist[3].uint = dat.writecount;
    }
    else {
      glk_stream_close(arglist[0].opaqueref, NULL);
    }
    break;
  case 0x0047: /* stream_set_current */
    glk_stream_set_current(arglist[0].opaqueref);
    break;
  case 0x0048: /* stream_get_current */
    arglist[1].opaqueref = glk_stream_get_current();
    break;

  case 0x0061: /* fileref_create_by_name */
    arglist[4].opaqueref = glk_fileref_create_by_name(arglist[0].uint, 
                                                      arglist[1].charstr, arglist[2].uint);
    break;
  case 0x0062: /* fileref_create_by_prompt */
    arglist[4].opaqueref = glk_fileref_create_by_prompt(arglist[0].uint, 
                                                        arglist[1].uint, arglist[2].uint);
    break;
  case 0x0067: /* fileref_does_file_exist */
    arglist[2].uint = glk_fileref_does_file_exist(arglist[0].opaqueref);
    break;

  case 0x0086: /* set_style */
    glk_set_style(arglist[0].uint);
    break;
  case 0x0087: /* set_style_stream */
    glk_set_style_stream(arglist[0].opaqueref, arglist[1].uint);
    break;
    
  case 0x0090: /* get_char_stream */
    arglist[2].sint = glk_get_char_stream(arglist[0].opaqueref);
    break;

  case 0x00B0: /* stylehint_set */
    glk_stylehint_set(arglist[0].uint, arglist[1].uint,
                      arglist[2].uint, arglist[3].sint);
    break;
    
  case 0x00C0: /* select */
    if (arglist[0].ptrflag) {
      event_t dat;
      glk_select(&dat);
      arglist[1].uint = dat.type;
      arglist[2].opaqueref = dat.win;
      arglist[3].uint = dat.val1;
      arglist[4].uint = dat.val2;
    }
    else {
      glk_select(NULL);
    }
    break;
  
  case 0x00D0: /* request_line_event */
    if (arglist[1].ptrflag)
      glk_request_line_event(arglist[0].opaqueref, arglist[2].array,
                             arglist[3].uint, arglist[4].uint);
    else
      glk_request_line_event(arglist[0].opaqueref, NULL,
                             0, arglist[2].uint);
    break;
  case 0x00D2: /* request_char_event */
    glk_request_char_event(arglist[0].opaqueref);
    break;
    
  case 0x00E0: /* image_get_info */
    {
      int ix = 1;
      glui32 *ptr1, *ptr2;
      if (!arglist[ix].ptrflag) {
        ptr1 = NULL;
      }
      else {
        ix++;
        ptr1 = &(arglist[ix].uint);
      }
      ix++;
      if (!arglist[ix].ptrflag) {
        ptr2 = NULL;
      }
      else {
        ix++;
        ptr2 = &(arglist[ix].uint);
      }
      ix++;
      ix++;
      arglist[ix].uint = glk_image_get_info(arglist[0].uint, ptr1, ptr2);
    }
    break;
  case 0x00E1: /* image_draw */
    arglist[5].uint = glk_image_draw(arglist[0].opaqueref, 
                                     arglist[1].uint,
                                     arglist[2].sint, arglist[3].sint);
    break;
  case 0x00E2: /* image_draw_scaled */
    arglist[7].uint = glk_image_draw_scaled(arglist[0].opaqueref, 
                                            arglist[1].uint,
                                            arglist[2].sint, arglist[3].sint,
                                            arglist[4].uint, arglist[5].uint);
    break;
  case 0x00EA: /* window_fill_rect */
    glk_window_fill_rect(arglist[0].opaqueref, arglist[1].uint,
                         arglist[2].sint, arglist[3].sint,
                         arglist[4].uint, arglist[5].uint);
    break;


  case 0x0128: /* put_char_uni */
    glk_put_char_uni(arglist[0].uint);
    break;
  case 0x0139: /* stream_open_memory_uni */
    if (arglist[0].ptrflag) 
      arglist[6].opaqueref = glk_stream_open_memory_uni(arglist[1].array, 
                                                        arglist[2].uint, arglist[3].uint, arglist[4].uint);
    else
      arglist[4].opaqueref = glk_stream_open_memory_uni(NULL, 
                                                        0, arglist[1].uint, arglist[2].uint);
    break;
    
  default:
    printf("Unhandled call to %s via dispatch\n", gidispatch_function->name);
#if 0
  case 0x0001: /* exit */
    glk_exit();
    break;
  case 0x0002: /* set_interrupt_handler */
    /* cannot be invoked through dispatch layer */
    break;
  case 0x0003: /* tick */
    glk_tick();
    break;
  case 0x0021: /* window_get_rock */
    arglist[2].uint = glk_window_get_rock(arglist[0].opaqueref);
    break;
  case 0x0022: /* window_get_root */
    arglist[1].opaqueref = glk_window_get_root();
    break;
  case 0x0024: /* window_close */
    if (arglist[1].ptrflag) {
      stream_result_t dat;
      glk_window_close(arglist[0].opaqueref, &dat);
      arglist[2].uint = dat.readcount;
      arglist[3].uint = dat.writecount;
    }
    else {
      glk_window_close(arglist[0].opaqueref, NULL);
    }
    break;
  case 0x0026: /* window_set_arrangement */
    glk_window_set_arrangement(arglist[0].opaqueref, arglist[1].uint, 
                               arglist[2].uint, arglist[3].opaqueref);
    break;
  case 0x0027: /* window_get_arrangement */
    {
      int ix = 1;
      glui32 *ptr1, *ptr2;
      winid_t *ptr3;
      if (!arglist[ix].ptrflag) {
        ptr1 = NULL;
      }
      else {
        ix++;
        ptr1 = &(arglist[ix].uint);
      }
      ix++;
      if (!arglist[ix].ptrflag) {
        ptr2 = NULL;
      }
      else {
        ix++;
        ptr2 = &(arglist[ix].uint);
      }
      ix++;
      if (!arglist[ix].ptrflag) {
        ptr3 = NULL;
      }
      else {
        ix++;
        ptr3 = (winid_t *)(&(arglist[ix].opaqueref));
      }
      ix++;
      glk_window_get_arrangement(arglist[0].opaqueref, ptr1, ptr2, ptr3);
    }
    break;
  case 0x0029: /* window_get_parent */
    arglist[2].opaqueref = glk_window_get_parent(arglist[0].opaqueref);
    break;
  case 0x002C: /* window_get_stream */
    arglist[2].opaqueref = glk_window_get_stream(arglist[0].opaqueref);
    break;
  case 0x002D: /* window_set_echo_stream */
    glk_window_set_echo_stream(arglist[0].opaqueref, arglist[1].opaqueref);
    break;
  case 0x002E: /* window_get_echo_stream */
    arglist[2].opaqueref = glk_window_get_echo_stream(arglist[0].opaqueref);
    break;
  case 0x0030: /* window_get_sibling */
    arglist[2].opaqueref = glk_window_get_sibling(arglist[0].opaqueref);
    break;
  case 0x0041: /* stream_get_rock */
    arglist[2].uint = glk_stream_get_rock(arglist[0].opaqueref);
    break;
  case 0x0045: /* stream_set_position */
    glk_stream_set_position(arglist[0].opaqueref, arglist[1].sint,
                            arglist[2].uint);
    break;
  case 0x0046: /* stream_get_position */
    arglist[2].uint = glk_stream_get_position(arglist[0].opaqueref);
    break;
  case 0x0048: /* stream_get_current */
    arglist[1].opaqueref = glk_stream_get_current();
    break;
  case 0x0060: /* fileref_create_temp */
    arglist[3].opaqueref = glk_fileref_create_temp(arglist[0].uint, 
                                                   arglist[1].uint);
    break;
  case 0x0063: /* fileref_destroy */
    glk_fileref_destroy(arglist[0].opaqueref);
    break;
  case 0x0064: /* fileref_iterate */
    if (arglist[1].ptrflag) 
      arglist[4].opaqueref = glk_fileref_iterate(arglist[0].opaqueref, &arglist[2].uint);
    else
      arglist[3].opaqueref = glk_fileref_iterate(arglist[0].opaqueref, NULL);
    break;
  case 0x0065: /* fileref_get_rock */
    arglist[2].uint = glk_fileref_get_rock(arglist[0].opaqueref);
    break;
  case 0x0066: /* fileref_delete_file */
    glk_fileref_delete_file(arglist[0].opaqueref);
    break;
  case 0x0068: /* fileref_create_from_fileref */
    arglist[4].opaqueref = glk_fileref_create_from_fileref(arglist[0].uint, 
                                                           arglist[1].opaqueref, arglist[2].uint);
    break;
  case 0x0080: /* put_char */
    glk_put_char(arglist[0].uch);
    break;
  case 0x0081: /* put_char_stream */
    glk_put_char_stream(arglist[0].opaqueref, arglist[1].uch);
    break;
  case 0x0082: /* put_string */
    glk_put_string(arglist[0].charstr);
    break;
  case 0x0083: /* put_string_stream */
    glk_put_string_stream(arglist[0].opaqueref, arglist[1].charstr);
    break;
  case 0x0084: /* put_buffer */
    if (arglist[0].ptrflag) 
      glk_put_buffer(arglist[1].array, arglist[2].uint);
    else
      glk_put_buffer(NULL, 0);
    break;
  case 0x0085: /* put_buffer_stream */
    if (arglist[1].ptrflag) 
      glk_put_buffer_stream(arglist[0].opaqueref, 
                            arglist[2].array, arglist[3].uint);
    else
      glk_put_buffer_stream(arglist[0].opaqueref, 
                            NULL, 0);
    break;
  case 0x0091: /* get_line_stream */
    if (arglist[1].ptrflag) 
      arglist[5].uint = glk_get_line_stream(arglist[0].opaqueref, 
                                            arglist[2].array, arglist[3].uint);
    else
      arglist[3].uint = glk_get_line_stream(arglist[0].opaqueref, 
                                            NULL, 0);
    break;
  case 0x0092: /* get_buffer_stream */
    if (arglist[1].ptrflag) 
      arglist[5].uint = glk_get_buffer_stream(arglist[0].opaqueref, 
                                              arglist[2].array, arglist[3].uint);
    else
      arglist[3].uint = glk_get_buffer_stream(arglist[0].opaqueref, 
                                              NULL, 0);
    break;
  case 0x00A0: /* char_to_lower */
    arglist[2].uch = glk_char_to_lower(arglist[0].uch);
    break;
  case 0x00A1: /* char_to_upper */
    arglist[2].uch = glk_char_to_upper(arglist[0].uch);
    break;
  case 0x00B1: /* stylehint_clear */
    glk_stylehint_clear(arglist[0].uint, arglist[1].uint,
                        arglist[2].uint);
    break;
  case 0x00B2: /* style_distinguish */
    arglist[4].uint = glk_style_distinguish(arglist[0].opaqueref, arglist[1].uint,
                                            arglist[2].uint);
    break;
  case 0x00B3: /* style_measure */
    if (arglist[3].ptrflag)
      arglist[6].uint = glk_style_measure(arglist[0].opaqueref, arglist[1].uint,
                                          arglist[2].uint, &(arglist[4].uint));
    else
      arglist[5].uint = glk_style_measure(arglist[0].opaqueref, arglist[1].uint,
                                          arglist[2].uint, NULL);
    break;
  case 0x00C1: /* select_poll */
    if (arglist[0].ptrflag) {
      event_t dat;
      glk_select_poll(&dat);
      arglist[1].uint = dat.type;
      arglist[2].opaqueref = dat.win;
      arglist[3].uint = dat.val1;
      arglist[4].uint = dat.val2;
    }
    else {
      glk_select_poll(NULL);
    }
    break;
  case 0x00D1: /* cancel_line_event */
    if (arglist[1].ptrflag) {
      event_t dat;
      glk_cancel_line_event(arglist[0].opaqueref, &dat);
      arglist[2].uint = dat.type;
      arglist[3].opaqueref = dat.win;
      arglist[4].uint = dat.val1;
      arglist[5].uint = dat.val2;
    }
    else {
      glk_cancel_line_event(arglist[0].opaqueref, NULL);
    }
    break;
  case 0x00D3: /* cancel_char_event */
    glk_cancel_char_event(arglist[0].opaqueref);
    break;
  case 0x00D4: /* request_mouse_event */
    glk_request_mouse_event(arglist[0].opaqueref);
    break;
  case 0x00D5: /* cancel_mouse_event */
    glk_cancel_mouse_event(arglist[0].opaqueref);
    break;
  case 0x00D6: /* request_timer_events */
    glk_request_timer_events(arglist[0].uint);
    break;

#ifdef GLK_MODULE_IMAGE
  case 0x00E8: /* window_flow_break */
    glk_window_flow_break(arglist[0].opaqueref);
    break;
  case 0x00E9: /* window_erase_rect */
    glk_window_erase_rect(arglist[0].opaqueref,
                          arglist[1].sint, arglist[2].sint,
                          arglist[3].uint, arglist[4].uint);
    break;
  case 0x00EB: /* window_set_background_color */
    glk_window_set_background_color(arglist[0].opaqueref, arglist[1].uint);
    break;
#endif /* GLK_MODULE_IMAGE */

#ifdef GLK_MODULE_SOUND
  case 0x00F0: /* schannel_iterate */
    if (arglist[1].ptrflag) 
      arglist[4].opaqueref = glk_schannel_iterate(arglist[0].opaqueref, &arglist[2].uint);
    else
      arglist[3].opaqueref = glk_schannel_iterate(arglist[0].opaqueref, NULL);
    break;
  case 0x00F1: /* schannel_get_rock */
    arglist[2].uint = glk_schannel_get_rock(arglist[0].opaqueref);
    break;
  case 0x00F2: /* schannel_create */
    arglist[2].opaqueref = glk_schannel_create(arglist[0].uint);
    break;
  case 0x00F3: /* schannel_destroy */
    glk_schannel_destroy(arglist[0].opaqueref);
    break;
  case 0x00F8: /* schannel_play */
    arglist[3].uint = glk_schannel_play(arglist[0].opaqueref, arglist[1].uint);
    break;
  case 0x00F9: /* schannel_play_ext */
    arglist[5].uint = glk_schannel_play_ext(arglist[0].opaqueref, 
                                            arglist[1].uint, arglist[2].uint, arglist[3].uint);
    break;
  case 0x00FA: /* schannel_stop */
    glk_schannel_stop(arglist[0].opaqueref);
    break;
  case 0x00FB: /* schannel_set_volume */
    glk_schannel_set_volume(arglist[0].opaqueref, arglist[1].uint);
    break;
  case 0x00FC: /* sound_load_hint */
    glk_sound_load_hint(arglist[0].uint, arglist[1].uint);
    break;
#endif /* GLK_MODULE_SOUND */

#ifdef GLK_MODULE_HYPERLINKS
  case 0x0100: /* set_hyperlink */
    glk_set_hyperlink(arglist[0].uint);
    break;
  case 0x0101: /* set_hyperlink_stream */
    glk_set_hyperlink_stream(arglist[0].opaqueref, arglist[1].uint);
    break;
  case 0x0102: /* request_hyperlink_event */
    glk_request_hyperlink_event(arglist[0].opaqueref);
    break;
  case 0x0103: /* cancel_hyperlink_event */
    glk_cancel_hyperlink_event(arglist[0].opaqueref);
    break;
#endif /* GLK_MODULE_HYPERLINKS */
            
#ifdef GLK_MODULE_UNICODE
  case 0x0120: /* buffer_to_lower_case_uni */
    if (arglist[0].ptrflag) 
      arglist[5].uint = glk_buffer_to_lower_case_uni(arglist[1].array, arglist[2].uint, arglist[3].uint);
    else
      arglist[3].uint = glk_buffer_to_lower_case_uni(NULL, 0, arglist[1].uint);
    break;
  case 0x0121: /* buffer_to_upper_case_uni */
    if (arglist[0].ptrflag) 
      arglist[5].uint = glk_buffer_to_upper_case_uni(arglist[1].array, arglist[2].uint, arglist[3].uint);
    else
      arglist[3].uint = glk_buffer_to_upper_case_uni(NULL, 0, arglist[1].uint);
    break;
  case 0x0122: /* buffer_to_title_case_uni */
    if (arglist[0].ptrflag) 
      arglist[6].uint = glk_buffer_to_title_case_uni(arglist[1].array, arglist[2].uint, arglist[3].uint, arglist[4].uint);
    else
      arglist[4].uint = glk_buffer_to_title_case_uni(NULL, 0, arglist[1].uint, arglist[2].uint);
    break;
  case 0x0129: /* put_string_uni */
    glk_put_string_uni(arglist[0].unicharstr);
    break;
  case 0x012A: /* put_buffer_uni */
    if (arglist[0].ptrflag) 
      glk_put_buffer_uni(arglist[1].array, arglist[2].uint);
    else
      glk_put_buffer_uni(NULL, 0);
    break;
  case 0x012B: /* put_char_stream_uni */
    glk_put_char_stream_uni(arglist[0].opaqueref, arglist[1].uint);
    break;
  case 0x012C: /* put_string_stream_uni */
    glk_put_string_stream_uni(arglist[0].opaqueref, arglist[1].unicharstr);
    break;
  case 0x012D: /* put_buffer_stream_uni */
    if (arglist[1].ptrflag) 
      glk_put_buffer_stream_uni(arglist[0].opaqueref, 
                                arglist[2].array, arglist[3].uint);
    else
      glk_put_buffer_stream_uni(arglist[0].opaqueref, 
                                NULL, 0);
    break;
  case 0x0130: /* get_char_stream_uni */
    arglist[2].sint = glk_get_char_stream_uni(arglist[0].opaqueref);
    break;
  case 0x0131: /* get_buffer_stream_uni */
    if (arglist[1].ptrflag) 
      arglist[5].uint = glk_get_buffer_stream_uni(arglist[0].opaqueref, 
                                                  arglist[2].array, arglist[3].uint);
    else
      arglist[3].uint = glk_get_buffer_stream_uni(arglist[0].opaqueref, 
                                                  NULL, 0);
    break;
  case 0x0132: /* get_line_stream_uni */
    if (arglist[1].ptrflag) 
      arglist[5].uint = glk_get_line_stream_uni(arglist[0].opaqueref, 
                                                arglist[2].array, arglist[3].uint);
    else
      arglist[3].uint = glk_get_line_stream_uni(arglist[0].opaqueref, 
                                                NULL, 0);
    break;
  case 0x0138: /* stream_open_file_uni */
    arglist[4].opaqueref = glk_stream_open_file_uni(arglist[0].opaqueref, arglist[1].uint, 
                                                    arglist[2].uint);
    break;
  case 0x0140: /* request_char_event_uni */
    glk_request_char_event_uni(arglist[0].opaqueref);
    break;
  case 0x0141: /* request_line_event_uni */
    if (arglist[1].ptrflag)
      glk_request_line_event_uni(arglist[0].opaqueref, arglist[2].array,
                                 arglist[3].uint, arglist[4].uint);
    else
      glk_request_line_event_uni(arglist[0].opaqueref, NULL,
                                 0, arglist[2].uint);
    break;
#endif /* GLK_MODULE_UNICODE */
#endif /* 0 */
  }
}