X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fcore%2Fao_cmd.c;h=a33309745430d51d8dd3137df057ec1e7752cf1b;hb=ae0ddb0f866a26867f0147e0811717810f74c9ef;hp=1814cecf5021848e4fe88b8fc3841dd10e6a491f;hpb=726f47c8a07f060aed930e1d102a1e8b5a5c7aed;p=fw%2Faltos

diff --git a/src/core/ao_cmd.c b/src/core/ao_cmd.c
index 1814cecf..a3330974 100644
--- a/src/core/ao_cmd.c
+++ b/src/core/ao_cmd.c
@@ -110,6 +110,22 @@ putnibble(uint8_t v)
 		putchar(v + ('a' - 10));
 }
 
+uint8_t
+ao_getnibble(void)
+{
+	char	c;
+
+	c = getchar();
+	if ('0' <= c && c <= '9')
+		return c - '0';
+	if ('a' <= c && c <= 'f')
+		return c - ('a' - 10);
+	if ('A' <= c && c <= 'F')
+		return c - ('A' - 10);
+	ao_cmd_status = ao_cmd_lex_error;
+	return 0;
+}
+
 void
 ao_cmd_put16(uint16_t v)
 {