diff options
Diffstat (limited to 'src/core/ao.h')
| -rw-r--r-- | src/core/ao.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/core/ao.h b/src/core/ao.h index 81d92e72..54018b37 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -170,6 +170,10 @@ ao_cmd_hex(void); void ao_cmd_decimal(void); +/* Read a single hex nibble off stdin. */ +uint8_t +ao_getnibble(void); + uint8_t ao_match_word(__code char *word); @@ -595,10 +599,10 @@ ao_monitor_init(void) __reentrant; * ao_stdio.c */ -#define AO_READ_AGAIN ((char) -1) +#define AO_READ_AGAIN (-1) struct ao_stdio { - char (*pollchar)(void); + int (*pollchar)(void); void (*putchar)(char c) __reentrant; void (*flush)(void); uint8_t echo; @@ -617,7 +621,7 @@ uint8_t ao_echo(void); int8_t -ao_add_stdio(char (*pollchar)(void), +ao_add_stdio(int (*pollchar)(void), void (*putchar)(char) __reentrant, void (*flush)(void)) __reentrant; |