diff options
Diffstat (limited to 'libc/bios/bios.c')
| -rw-r--r-- | libc/bios/bios.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/libc/bios/bios.c b/libc/bios/bios.c index ab592a0..3e10686 100644 --- a/libc/bios/bios.c +++ b/libc/bios/bios.c @@ -82,8 +82,8 @@ not_dos: sti zap_bss: ! Clear the BSS - mov ax,ds - mov es,ax ! ES now data seg + push ds + pop es ! ES now data seg mov di,#__edata mov cx,#__end sub cx,di @@ -143,21 +143,19 @@ __exit: seg cs cmp [dos_flag],#0 ! Should we do a DOS exit je do_reboot - int #$20 + mov ax,#$4c00 + int $21 do_reboot: #endif xor ax,ax - mov es,ax + mov ds,ax mov ax,cs - seg es mov [$E6*4+2],ax mov ax,#iret_ins - seg es mov [$E6*4],ax mov ax,#$FFFF int $E6 ! Try to exit DOSEMU ! If we get here we`re not in dosemu. - seg es mov [$472],#$1234 ! Warm reboot. jmpi $0000,$FFFF iret_ins: |