microprocessor

solve it correctly

1. (a) (i) Frame the control word needec to initialize an 8255 as Port A - handshake input, Port B - handshake output, Port C bits - PCL and PCU(PC6PC7) as output, \& explain. (ii) Frame \& explain the BSR con'rol words needed to initialize i.i) Port A interrupt reque:it i.ii) Port B internpt request. Both PA and PB are under input configuration. (iii) Write down the 8085 ALP used to send these control words to 8255. Port address of CWR is FFFFh. (4)