View Compilation Error

0_0_6500513_22409.cpp: In function `int main()':
0_0_6500513_22409.cpp:97: error: `N_MAX' undeclared (first use this function)
0_0_6500513_22409.cpp:97: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6500513_22409.cpp:98: error: `asm' undeclared (first use this function)
0_0_6500513_22409.cpp:98: error: expected `;' before "volatile"