pcw8256: fix warnings with sdcc 3.4.2

diff --git a/Kernel/platform-pcw8256/devfd.c b/Kernel/platform-pcw8256/devfd.c
index 873e0cd..1ac8991 100644 (file)
--- a/Kernel/platform-pcw8256/devfd.c
+++ b/Kernel/platform-pcw8256/devfd.c
@@ -19,7 +19,7 @@ static uint8_t type[2];
 #define TYPE_THREE     1
 #define TYPE_THREE_FIVE        2
 static uint8_t motorct;
-static uint8_t devsel = -1;
+static int8_t devsel = -1;
 
 int fd_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
 {