diff options
Diffstat (limited to 'bios/boot.ha')
| -rw-r--r-- | bios/boot.ha | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/bios/boot.ha b/bios/boot.ha new file mode 100644 index 0000000..e165f5a --- /dev/null +++ b/bios/boot.ha @@ -0,0 +1,12 @@ +// Address of a 4096 bytes workspace that is located below 0xFFFFF and can be used to store the results +// of various bios calls +export const @symbol("_ws") ws: [4096]u8; + +// Boot drive number as given by the BIOS at boot time +export const @symbol("drive_no") drive_number: u8; + +// Amount of sectors per track that the boot drive has +export const @symbol("drive_spt") drive_sectors_per_track: u8; + +// Amount of heads that the boot drive has +export const @symbol("drive_heads") drive_heads: u8; |