Implement vmSystem functions for DALK Gaiden

include/vm.h

@@ -128,6 +128,7 @@ struct string *string_format(struct string *fmt, union vm_value arg, enum string
 void vm_stack_trace(void);
 _Noreturn void _vm_error(const char *fmt, ...);
 _Noreturn void vm_exit(int code);
+_Noreturn void vm_reset(void);
 
 #ifdef __ANDROID__
 // Report the error with a message box and exit.

src/hll/vmSystem.c

@@ -49,8 +49,15 @@ void vmSystem_CurrentTime(struct page **page)
 	date[6].i = tm->tm_wday;
 }
 
-//void vmSystem_Reset(void);
-//void vmSystem_Shutdown(void);
+static void vmSystem_Reset(void)
+{
+	vm_reset();
+}
+
+static void vmSystem_Shutdown(void)
+{
+	vm_exit(0);
+}
 
 static int vmSystem_OpenWeb(struct string *url)
 {
@@ -62,8 +69,8 @@ HLL_WARN_UNIMPLEMENTED(0, int, vmSystem, AddURLMenu, struct string *title, struc
 HLL_LIBRARY(vmSystem,
 	    HLL_EXPORT(Init, vmSystem_Init),
 	    HLL_EXPORT(CurrentTime, vmSystem_CurrentTime),
-	    HLL_TODO_EXPORT(Reset, vmSystem_Reset),
-	    HLL_TODO_EXPORT(Shutdown, vmSystem_Shutdown),
+	    HLL_EXPORT(Reset, vmSystem_Reset),
+	    HLL_EXPORT(Shutdown, vmSystem_Shutdown),
 	    HLL_EXPORT(OpenWeb, vmSystem_OpenWeb),
 	    HLL_EXPORT(AddURLMenu, vmSystem_AddURLMenu)
 	    );

src/vm.c

@@ -458,8 +458,6 @@ static const SDL_MessageBoxButtonData buttons[] = {
 	{ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, 0, "Cancel" },
 };
 
-static _Noreturn void vm_reset(void);
-
 static struct string *get_func_stack_name(int index)
 {
 	int i = call_stack_ptr - (1 + index);
@@ -2337,7 +2335,7 @@ static void vm_free(void)
 
 static jmp_buf reset_buf;
 
-static _Noreturn void vm_reset(void)
+_Noreturn void vm_reset(void)
 {
 	vm_free();
 	longjmp(reset_buf, 1);