verilog code for input output

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I want to write input and output for microcontroller in verilog langugae

I have done some work

Microcontroller has following function

· ALU

· Decoder

· Port

· Counter

· Interrupt

· Accumulator

· Stack pointer

· Data pointer

· Special function register

· Serial communication

· Internal rom

· External rom

· Internal ram

· External Ram

(I am not seeing option for code so I am posting here )

verilog

Module mcu (clk, rst, en, p_in, p_out, t_in, t_out, i_in,i_out, rx_in, tx_out, a,b, s0,s1,s2, a0,a1,a2,d0,d1,d2,d3,d4,d5,d6.....etc )

Rst= reset input
Clk= clock input
En= enable input

Port
P_in=port input
P_out= port output

Timer
T_in = timer input
T_out = timer output

Interrupt
i_in= input for interrupt
i_out,= output for interrupt

ALU
A=input
B=input
So=input
S1=input
S2=input
F=output

Decoder
A0=input
A1=input
A2=input
D0=output
D1=output
D2=output
D3=output
D4=output
D5=output
D6=output

Can anyone tell me how to write input and output for microcontroller in verilog langugae ?

 

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