lua/hostmemory.cpp

   1 #include "lua-int.hpp"
   2 #include "moviedata.hpp"
   3
   4 namespace
   5 {
   6         function_ptr_luafun hm_read("hostmemory.read", [](lua_State* LS, const std::string& fname) -> int {
   7                 size_t address = get_numeric_argument<size_t>(LS, 1, fname.c_str());
   8                 auto& h = get_host_memory();
   9                 if(address >= h.size()) {
  10                         lua_pushboolean(LS, 0);
  11                         return 1;
  12                 }
  13                 lua_pushnumber(LS, static_cast<uint8_t>(h[address]));
  14                 return 1;
  15         });
  16
  17         function_ptr_luafun hm_write("hostmemory.write", [](lua_State* LS, const std::string& fname) -> int {
  18                 size_t address = get_numeric_argument<size_t>(LS, 1, fname.c_str());
  19                 uint8_t value = get_numeric_argument<uint8_t>(LS, 2, fname.c_str());
  20                 auto& h = get_host_memory();
  21                 if(address >= h.size())
  22                         h.resize(address + 1);
  23                 h[address] = value;
  24                 return 0;
  25         });
  26 }