- disabled VGA init stuff (should be removed from libsys)

- minor changes to test_exception

git-svn-id: http://moon:8086/svn/mips@54 a8ebac50-d88d-4704-bea3-6648445a41b3

src/libsys/libsys.c

@@ -22,13 +22,13 @@ void libsys_init(void)
 	uint32_t volatile *pVGA_ctrl = (uint32_t*)SYS_VGA_CTRL;
 	uint32_t volatile *pITIM_ctrl = (uint32_t*)SYS_ITIM_CTRL;
 
-	Screen_clr();
+//	Screen_clr();
 
 	// Disable timers
 	*pITIM_ctrl = 0;
 
 	// Disable all VGA stuff
-	*pVGA_ctrl = 0;
+//	*pVGA_ctrl = 0;
 
 	// Initialzie syscall support
 	syscalls_init();
@@ -40,7 +40,7 @@ void libsys_init(void)
 	dbg_init();
 
 	// flush stdin
-	flush(GetPort(0));
+//	flush(GetPort(0));
 
 	// Do some initializations here