diff options
Diffstat (limited to 'mubios/core/bda.c')
| -rw-r--r-- | mubios/core/bda.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mubios/core/bda.c b/mubios/core/bda.c index 5aad85c..ddcedb7 100644 --- a/mubios/core/bda.c +++ b/mubios/core/bda.c @@ -24,6 +24,8 @@ extern u8 __ebda_start[]; #define BDA_COM1_OFFSET 0x0000u +#define BDA_COM_TIMEOUT_OFFSET 0x007Cu +#define BIOS_COM_TIMEOUT 0x0Au #define BDA_LPT1_OFFSET 0x0008u static void @@ -47,6 +49,7 @@ bda_init (void) store_u16 (bda + BDA_EQUIPMENT_OFFSET, 0x4227u); store_u16 (bda + BDA_COM1_OFFSET, 0x03F8u); + bda[BDA_COM_TIMEOUT_OFFSET] = BIOS_COM_TIMEOUT; store_u16 (bda + BDA_LPT1_OFFSET, 0x0378u); store_u16 (bda + BDA_CONVENTIONAL_MEMORY_OFFSET, (u16)(ebda_base >> 10)); |