diff options
| author | Michal Idziorek <m.i@gmx.at> | 2014-10-24 01:42:05 +0200 |
|---|---|---|
| committer | Michal Idziorek <m.i@gmx.at> | 2014-10-24 01:42:05 +0200 |
| commit | 831df8bcb2717442a41464533bacf0a58a4af0ce (patch) | |
| tree | 5422b40b6d303a709dac5c6cf6a386df9e071227 /boot/disk_load_16.asm | |
| parent | 01c79415ed46f645f46287ce3b033943fb9dcb1e (diff) | |
working on bootloader (extended mem) (broken!)
Diffstat (limited to 'boot/disk_load_16.asm')
| -rw-r--r-- | boot/disk_load_16.asm | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/boot/disk_load_16.asm b/boot/disk_load_16.asm index fe573ea..78aa22b 100644 --- a/boot/disk_load_16.asm +++ b/boot/disk_load_16.asm @@ -76,15 +76,15 @@ disk_load_lba: jc disk_read_error mov bx,es - add bx,0x0200 - cmp bx,0x9e00 + add bx,0x0800 + cmp bx,0x9000 je disk_load_finish mov es,bx mov bx,0 mov ax,[LBA] - add ax,16 + add ax,64 ; 64 sectors = 0x2000*4 bytes ;16 sectors this is 0x200*0x10 butes mov [LBA],ax jmp next_sectors_lba @@ -157,6 +157,7 @@ disk_load_chs: ;calculate chs call lba_to_chs + ; and now READ it! mov al,16 ;number of sectors to read mov dl,[BOOT_DRIVE] @@ -221,7 +222,7 @@ lba_to_chs: lba_adr: dw 0x10 ; size of packet ( 16 byte) - dw 16 ; number of sectors to read + dw 64 ; number of sectors to read ; target is 0x10000 |