There are 74 instructions in the 8085 microprocessor.
Apart from the RST instructions; which are single byte instruction, jump instructions are 3 bytes long (one byte contains the instruction and two bytes the address).
There are 74 instructions in the 8085 microprocessor.
The 8085 is an 8 bit processor, so its word length is 8 bits.
The NOP instruction is a no-operation instruction. It does nothing to the state of the machine, except to use some time. In the case of the 8085, it uses four clock cycles plus however many wait states are need to access the NOP instruction from memory.
there are 74 instruction sets in the 8085 up which consist of 246 bit pattern.
when conditional jump instruction is executed it has 10 m/c cycles bt when nt executed it has 7 m/c cycles....while unconditional jump instruction has 10 m/c cycles...
RET instruction needs 3 machine cycles. One to fetch and decode the instruction(4 T states), and two more machine cycles(i.e. 2*3=6 T states) to read two bytes from the stack(stack is exterior to microprocessor, stack is in R/W memory, so to exchange data with stack needs machine cycles). Thus, RET instruction needs total 3 machine cycles and 10 T-states.
The 8085 has a 16 bit address bus.
The major difference between the 8085 and the 8086/8088 is that the 8085 is an 8 bit computer, and the 8086/8088 is a 16 bit computer.
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