.code
NtUserUpdatePerUserSystemParameters   proc   arg1:dword

mov r10, rcx
mov eax, 1401h
syscall
ret

NtUserUpdatePerUserSystemParameters endp 

NtUserCallNoParam   proc   arg1:dword

mov r10, rcx
mov eax, 1007h
syscall
ret

NtUserCallNoParam endp 

END