2 * DOS interrupt 26h handler
14 /**********************************************************************
17 * Handler for int 26h (absolute disk read).
19 void WINAPI INT_Int26Handler( CONTEXT *context )
21 BYTE *dataptr = CTX_SEG_OFF_TO_LIN( context, DS_reg(context), EBX_reg(context) );
24 if (!DRIVE_IsValid(AL_reg(context)))
27 AX_reg(context) = 0x0101; /* unknown unit */
31 if (CX_reg(context) == 0xffff)
33 begin = *(DWORD *)dataptr;
34 length = *(WORD *)(dataptr + 4);
35 dataptr = (BYTE *)CTX_SEG_OFF_TO_LIN( context,
36 *(WORD *)(dataptr + 8), *(DWORD *)(dataptr + 6) );
40 begin = DX_reg(context);
41 length = CX_reg(context);
44 TRACE(int,"int26: abs diskwrite, drive %d, sector %ld, "
45 "count %ld, buffer %p\n",
46 AL_reg(context), begin, length, dataptr );
48 DRIVE_RawWrite(AL_reg(context), begin, length, dataptr, TRUE);