diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/console.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/core/console.c b/src/core/console.c index 6f55d5583..653f689d0 100644 --- a/src/core/console.c +++ b/src/core/console.c @@ -88,9 +88,15 @@ static struct console_driver * has_input ( void ) { */ int getchar ( void ) { struct console_driver *console; - int character = 256; + int character; + + while ( 1 ) { + console = has_input(); + if ( console && console->getchar ) { + character = console->getchar (); + break; + } - while ( character == 256 ) { /* Doze for a while (until the next interrupt). This works * fine, because the keyboard is interrupt-driven, and the * timer interrupt (approx. every 50msec) takes care of the @@ -105,10 +111,6 @@ int getchar ( void ) { * input. */ step(); - - console = has_input(); - if ( console && console->getchar ) - character = console->getchar (); } /* CR -> LF translation */ |