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Made error messages more specific

This commit is contained in:
Sakura Nakamoto 2019-07-08 20:41:17 +01:00
parent 859b767b5d
commit 3b44ce6ffc
1 changed files with 12 additions and 7 deletions
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19
bootsect/bootsect.asm
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@ -28,15 +28,20 @@ mov ebx, 0x7e00
mov cx, 1
call read_sectors
jc err
jc err_reading_disk
mov si, DoneMsg
call simple_print
jmp 0x7e00
err:
mov si, ErrMsg
err_reading_disk:
mov si, ErrReadDiskMsg
call simple_print
jmp halt
err_enabling_a20:
mov si, ErrEnableA20Msg
call simple_print
halt:
@ -47,7 +52,8 @@ jmp halt
LoadingMsg db 0x0D, 0x0A, '<qLoader 2>', 0x0D, 0x0A, 0x0A, 0x00
Stage2Msg db 'stage1: Loading stage2...', 0x00
ErrMsg db 0x0D, 0x0A, 'Error, system halted.', 0x00
ErrReadDiskMsg db 0x0D, 0x0A, 'Error reading disk, system halted.', 0x00
ErrEnableA20Msg db 0x0D, 0x0A, 'Error enabling a20, system halted.', 0x00
DoneMsg db ' DONE', 0x0D, 0x0A, 0x00
times 0xda-($-$$) db 0
@ -70,13 +76,12 @@ mov ax, 2
mov ebx, 0x8000
mov cx, 14
call read_sectors
jc err
jc err_reading_disk
; Enable A20
call enable_a20
jc err
jc err_enabling_a20
; Enter 32 bit pmode