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1/1 19. Programming. (15 points) Given a number X, determine whether is positive, negative,or zero. Give the programming design and write th e program codes 5. Aanalysising and designing. (25 points) 1. Design a 32KB of memory capacity for an 8-bit CPU (address bus is 16-bit). The EPROM area is 8KB, star ting from 0000Hi The RAM area is 24KB, starting from 2000H. 2732: 4K*86, 6264:8K*86. Give memory expans ion circuit, the address range and distribution of the memory chips. ( 15 points) 2. Suppose the port addresses of 8255A are FF80-FF83H. Port A works in model output, Port B works in mode 0 input. Write the initialization procedure. (10 points)