Question: Based on a microprocessor/Interrupt/PPI 8255 system, design a ardware, a main program, and an interrupt service routine for a system with the following details: The

Based on a microprocessor/Interrupt/PPI 8255 system, design a ardware, a main program, and an interrupt service routine for a system with the following details: The ports of the 8255IC addresses range from D8H to DBH. Two space heaters are connected to PB0 and PB1. An alarm buzzer and a LED are connected to PA6,PA7 respectively. One switch is connected to PC0. The main program will work according to table Q3. - A pushbutton is connected to the INTR pin, and when this pushbutton is pressed, an interrupt service routine will run to stop all the devices, and operate the sound alarm intermittently with suitable time delay. Table Q3 for the main program

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