Fix BASIC

Fix cycle waiting
Fix warnings

CMakelists.txt

@@ -10,12 +10,18 @@ enable_language(C)
 
 add_executable(${CMAKE_PROJECT_NAME})
 
+target_compile_definitions(${CMAKE_PROJECT_NAME} PRIVATE _POSIX_C_SOURCE=200809L)
+
 if(MSVC)
  target_compile_options(${CMAKE_PROJECT_NAME} PRIVATE /W4) 
 else()
   target_compile_options(${CMAKE_PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic)
 endif()
 
+target_compile_options(${CMAKE_PROJECT_NAME} PRIVATE
+    -include ${CMAKE_CURRENT_SOURCE_DIR}/inc/diag.h
+)
+
 target_sources(${CMAKE_PROJECT_NAME} PRIVATE
   "src/main.c"
   "src/ram.c"