5 /* #define DEBUG_INT */
9 /**********************************************************************
12 * Handler for int 13h (disk I/O).
14 void INT_Int13Handler( SIGCONTEXT
*context
)
16 switch(AH_reg(context
))
18 case 0x00: /* RESET DISK SYSTEM */
19 case 0x04: /* VERIFY DISK SECTOR(S) */
23 case 0x05: /* FORMAT TRACK */
24 AH_reg(context
) = 0x0c;
28 case 0x06: /* FORMAT TRACK AND SET BAD SECTOR FLAGS */
29 case 0x07: /* FORMAT DRIVE STARTING AT GIVEN TRACK */
30 AH_reg(context
) = 0x0c;
33 case 0x08: /* GET DRIVE PARAMETERS */
34 AH_reg(context
) = (DL_reg(context
) & 0x80) ? 0x07 : 0x01;
38 case 0x09: /* INITIALIZE CONTROLLER WITH DRIVE PARAMETERS */
39 case 0x0c: /* SEEK TO CYLINDER */
40 case 0x0d: /* RESET HARD DISKS */
41 case 0x10: /* CHECK IF DRIVE READY */
42 case 0x11: /* RECALIBRATE DRIVE */
43 case 0x14: /* CONTROLLER INTERNAL DIAGNOSTIC */
47 case 0x0e: /* READ SECTOR BUFFER (XT only) */
48 case 0x0f: /* WRITE SECTOR BUFFER (XT only) */
49 case 0x12: /* CONTROLLER RAM DIAGNOSTIC (XT,PS) */
50 case 0x13: /* DRIVE DIAGNOSTIC (XT,PS) */
51 AH_reg(context
) = 0x01;
56 INT_BARF( context
, 0x13 );