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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2017-06-15 21:24:36 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2017-06-15 21:24:36 +0200 |
| commit | f8dd9dd71ab603af23e008f1147f652b429c9296 (patch) | |
| tree | 316bbf3585b9baeb55ca2b870e7be4724ce4936c /src/boot/stage1_functions.asm | |
| parent | 48f0fe5954a445ba890b6a3633bbbf46cddd07c9 (diff) | |
| download | abaos-f8dd9dd71ab603af23e008f1147f652b429c9296.tar.gz abaos-f8dd9dd71ab603af23e008f1147f652b429c9296.tar.bz2 | |
increased size of stage 2 bootloader by 1024 bytes
Diffstat (limited to 'src/boot/stage1_functions.asm')
| -rw-r--r-- | src/boot/stage1_functions.asm | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/boot/stage1_functions.asm b/src/boot/stage1_functions.asm index bdb2aac..f1d229b 100644 --- a/src/boot/stage1_functions.asm +++ b/src/boot/stage1_functions.asm @@ -1,3 +1,6 @@ +; NOF_SECTORS_STAGE2 +NOF_SECTORS_STAGE2 equ 5 + ; IN dx: hex value to print print_hex: push bx @@ -88,7 +91,7 @@ current_row: read_stage2_from_disk: mov ah, 0x02 ; read sectors from drive - mov al, 3 ; read 3 sectors of stage 2 + mov al, NOF_SECTORS_STAGE2 ; read sectors of stage 2 mov ch, 0 ; select first cylinder mov dh, 0 ; first head mov cl, 2 ; second sector after boot sector @@ -101,7 +104,7 @@ read_stage2_from_disk: jc .read_error - cmp al, 3 ; 3 sectors read? + cmp al, NOF_SECTORS_STAGE2 ; correct number of sectors read? jne .short_read ; if not, short read ret |