diff options
Diffstat (limited to 'bootloader.asm')
| -rw-r--r-- | bootloader.asm | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/bootloader.asm b/bootloader.asm index 99627d5..40bf2b6 100644 --- a/bootloader.asm +++ b/bootloader.asm @@ -25,22 +25,9 @@ step2: mov sp, 0x7c00 ; Stack segment starts right before ds ; and grows down to 0x0. This works because ; Intel implements a full descending stack - - ; Setup and test interrupt vector table and interrupts - mov word[ss:0x00], handle_zerodiv_intr ; first 2 bytes, mem offset for int - ; 0 location - ; Use SS here because it already starts - ; at 0x0 - - mov word[ss:0x02], 0x7c0 ; Data segment our interrupt is - sti ; Enable interrupts - ; Test interrupts -; mov ax, 0x00 -; div ax - mov si, load_msg call print @@ -91,12 +78,6 @@ print_char: ret -; Interrupt handlers -handle_zerodiv_intr: - mov si, divzero_msg - call print - iret - ; Static data load_msg: db 'Starting bootloader...', 0x0A, 0x0D, 0 divzero_msg: db 'Interrupts working properly...', 0x0A, 0x0D, 0 |