benji/portland-os
Archived
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

condensing vbe attribute checks in bootloader

Browse source
This commit is contained in:
Benji Dial 2021-02-18 21:27:39 -05:00
parent 82d74f17f4
commit cba9eec34b
1 changed files with 3 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/boot.asm
View file

@ -113,15 +113,10 @@ vbe_loop:
int 0x10
mov al, byte [di]
not al
test al, 0x01
jz vbe_loop
test al, 0x10
jz vbe_loop
test al, 0x80
jz vbe_loop
test al, 0x9a
jnz vbe_loop
mov dx, word [di + 0x14];height
cmp dx, max_height