Solving ModelSim XE III 6.2g Digital Circuit Design Issue

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SUMMARY

The discussion centers on a digital circuit design issue encountered while using ModelSim XE III vcom 6.2g. The user faced a compilation error due to a formal port "i" lacking an actual association in the VHDL file intro.vhf. The error messages indicated that the library already exists and that the VHDL compiler exited due to this issue. The user later identified their mistake, resolving the problem independently.

PREREQUISITES
  • Familiarity with VHDL syntax and structure
  • Understanding of ModelSim XE III vcom 6.2g compilation process
  • Knowledge of digital circuit design principles
  • Experience with testbench simulations in ModelSim
NEXT STEPS
  • Review VHDL formal port associations and their requirements
  • Explore ModelSim XE III vcom error handling techniques
  • Learn about library management in ModelSim
  • Investigate best practices for writing and testing VHDL code
USEFUL FOR

Digital circuit designers, VHDL programmers, and students learning simulation tools for circuit design will benefit from this discussion.

soul
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For the digital circuit design lesson we have to install xilinx and modelsim. After I designed the circuit and run the testbench simulation, I encountered a problem.

# Reading C:/Modeltech_xe_starter/tcl/vsim/pref.tcl
# do intro_tb.fdo
# ** Warning: (vlib-34) Library already exists at "work".
# Model Technology ModelSim XE III vcom 6.2g Compiler 2007.02 Feb 22 2007
# -- Loading package standard
# -- Loading package std_logic_1164
# -- Loading package numeric_std
# -- Loading package vcomponents
# -- Compiling entity intro
# -- Compiling architecture behavioral of intro
# ** Error: intro.vhf(90): (vcom-1035) Formal port "i" has no actual associated with it.
# ** Error: intro.vhf(109): VHDL Compiler exiting
# ** Error: C:/Modeltech_xe_starter/win32xoem/vcom failed.
# Error in macro ./intro_tb.fdo line 5
# C:/Modeltech_xe_starter/win32xoem/vcom failed.
# while executing
# "vcom -93 -explicit intro.vhf"

The bold lines were written with red. I do not how I can fix this problem. Can anyone help me?
 
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Ok. I found my mistake. Sorry for mess.
 

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