INT D4 - PC-MOS/386 v5.01 - GET CONTROL BLOCK DATA FROM SCB OR TCB AH = 28h BX = offset into control block at which to start reading CX = number of bytes to read DX = segment/selector of control block obtained via AH=26h or AH=27h ES:DI -> buffer for data Return: CF clear if successful CF set on error AX = error code (see also #01680 at INT 21/AH=59h/BX=0000h) 05h access denied due to an invalid segment/selector SeeAlso: AH=26h,AH=27h,AH=29h,AH=2Ah