Lines Matching refs:Ch
409 SET_INT_VECTOR 1Ch, BIOSSEG, int1c_handler
446 mov ds:[41Ch], bx ; keyboard buffer tail
488 SET_INT_VECTOR 0Ch, BIOSSEG, dummy_isr
538 mov ds:[48Ch], al ; HD status register
836 cmp bx, ds:[1Ch]
1151 mov [bx+47Ch], cl ; serial timeout
1284 mov ds:[46Ch], ecx ; timer tick count
1350 db 06Ch
1404 ;; INT 1Ch
1749 mov eax, ds:[6Ch] ; get ticks dword
1760 mov ds:[6Ch], eax
1776 int 1Ch ; call the user timer handler