Mar 19, 2013 · load: ; Load sectors routine : bootdrv-drive , snum-sectors to load ;ES:BX where to load ex: mov ax,0000h mov es,ax mov bx, 7c00h push bx push ds mov verify,0h .reset: cmp …

Apr 3, 2022 · To get around this, BIOSes started providing int 13h extensions which is a 64-bit LBA like number used by the operating system to access the hard drive. But before that …

Feb 17, 2013 · My goal is to, simply put, use Int 13h to read my disk parameters. I understand this can not be directly accomplished in Windows, as it essentially intercepts the BIOS call. My …

Mar 28, 2012 · So far i have this: mov ah,02h mov cl,11001100001111011101000b ;6,692,584 in dec mov dl,0 int 13

Jan 23, 2010 · The only time int 13h would be used would be during boot stage BEFORE windows loads or if you are using MSDOS as the system i.e. no windows, just boot into …

Jun 20, 2020 · All the non extended BIOS disk services like Int 13h/AH=2h, Int 13h=AH=3h etc. are all assumed to be 512 byte sectors. There is translation done if the underlying media …

Nov 3, 2023 · The tutorial I am following contains errors, I added mov dl,0 in order to debug the code Can I have a concrete example of Int 13H AH=00h An example coded in nasm on a …

Jan 1, 2010 · I understand that INT 13h and 25h do not work in the windows protected mode and i even tried my code in Dos but the dos system hangs when I run the program. This is the code: …

Sep 23, 2012 · With int 10h, the BL register is used for the colour attributes. Unless you're dealing with CGA, where the BL value is the palette number, the BL value is a number representing …

Mar 19, 2017 · I've been writing a test program in NASM for a function that uses int 13h to read sectors off the booted disk except every time I run the assembled program with sudo qemu …