ModelSim SE User's Manual - Electrical and Computer Engineering

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UM-148 5 - Verilog simulation ModelSim SE User’s Manual Display tasks PLA modeling tasks Value change dump (VCD) file tasks $display $async$and$array $dumpall $displayb $async$nand$array $dumpfile $displayh $async$or$array $dumpflush $displayo $async$nor$array $dumplimit $monitor $async$and$plane $dumpoff $monitorb $async$nand$plane $dumpon $monitorh $async$or$plane $dumpvars $monitoro $async$nor$plane $dumpportson $monitoroff $sync$and$array $dumpportsoff $monitoron $sync$nand$array $dumpportsall $strobe $sync$or$array $dumpportsflush $strobeb $sync$nor$array $dumpports $strobeh $sync$and$plane $dumpportslimit $strobeo $sync$nand$plane $write $sync$or$plane $writeb $sync$nor$plane $writeh $writeo
File I/O tasks $fclose $fopen $fwriteh $fdisplay $fread $fwriteo $fdisplayb $fscanf $readmemb $fdisplayh $fseek $readmemh $fdisplayo $fstrobe $rewind $ferror $fstrobeb $sdf_annotate $fflush $fstrobeh $sformat $fgetc $fstrobeo $sscanf $fgets $ftell $swrite $fmonitor $fwrite $swriteb $fmonitorb $fwriteb $swriteh $fmonitorh $swriteo $fmonitoro $ungetc System tasks and functions UM-149 ModelSim SE User’s Manual
Page 1 and 2:
ModelSim® Advanced Verification an
Page 3 and 4:
Table of Contents 1 - Introduction
Page 5 and 6:
Delta delays . . . . . . . . . . .
Page 7 and 8:
ModelSim Verilog system tasks and f
Page 9 and 10:
VHDL: instantiating SystemC . . . .
Page 11 and 12:
Creating waveforms from patterns .
Page 13 and 14:
14 - PSL Assertions (UM-359) What a
Page 15 and 16:
17 - Signal Spy (UM-417) Introducti
Page 17 and 18:
Starting the debugger . . . . . . .
Page 19 and 20:
Steps in flow . . . . . . . . . . .
Page 21 and 22:
1 - Introduction Chapter contents M
Page 23 and 24:
ModelSim simulation task overview M
Page 25 and 26:
Basic steps for simulation UM-25 Li
Page 27 and 28:
ModelSim modes of operation ModelSi
Page 29 and 30:
ModelSim graphic interface overview
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Sections in this document Sections
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Sections in this document UM-33 H -
Page 35 and 36:
Where to find our documentation Whe
Page 37 and 38:
2 - Projects Chapter contents Intro
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Project conversion between versions
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workspace Getting started with proj
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Step 3 — Compiling the files Gett
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The Project tab Sorting the list Th
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Grouping files Changing compile ord
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Optimization Configurations Creatin
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Organizing projects with folders UM
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Specifying file properties and proj
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Accessing projects from the command
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3 - Design libraries Chapter conten
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Archives Design library overview UM
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Managing library contents Working w
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Moving a library Working with desig
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Alternate IEEE libraries supplied R
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Referencing source files with locat
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Importing FPGA libraries Importing
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4 - VHDL simulation Chapter content
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Compiling VHDL files Creating a des
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Differences between language versio
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Compiling VHDL files UM-77 bit stri
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Default binding Simulating VHDL des
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Simulating VHDL designs UM-81 In th
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Creating an elaboration file Loadin
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Example Simulating with an elaborat
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Controlling checkpoint file compres
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Using STD_INPUT and STD_OUTPUT with
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Reading and writing hexadecimal num
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VITAL specification and source code
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Compiling and simulating with accel
Page 97 and 98: init_signal_driver() init_signal_sp
Page 99 and 100: to_time() Util package UM-99 to_tim
Page 101 and 102: Modeling memory ’87 and ’93 exa
Page 103 and 104: if (mwrite = '1') then ram(address)
Page 105 and 106: BEGIN return mem(to_integer(addr));
Page 107 and 108: BEGIN FOR i IN 0 TO 1023 LOOP we
Page 109 and 110: Converting an integer into a bit_ve
Page 111 and 112: 5 - Verilog simulation Chapter cont
Page 113 and 114: Introduction ModelSim Verilog basic
Page 115 and 116: Incremental compilation Compiling V
Page 117 and 118: Library usage Compiling Verilog fil
Page 119 and 120: Verilog-XL compatible compiler argu
Page 121 and 122: Compiling Verilog files UM-121 The
Page 123 and 124: Verilog generate statements Compili
Page 125 and 126: Naming the optimized design Optimiz
Page 127 and 128: Optimizing Verilog designs UM-127 I
Page 129 and 130: Simulating Verilog designs Simulato
Page 131 and 132: `timescale, -t, and rounding Simula
Page 133 and 134: Simulating Verilog designs UM-133 T
Page 135 and 136: Simulating Verilog designs UM-135 M
Page 137 and 138: +pulse_e_style_onevent +pulse_int_e
Page 139 and 140: Creating an elaboration file Loadin
Page 141 and 142: Example Simulating with an elaborat
Page 143 and 144: Controlling checkpoint file compres
Page 145 and 146: Distributed delay mode In distribut
Page 147: System tasks and functions UM-147 a
Page 151 and 152: System tasks and functions UM-151 T
Page 153 and 154: Compiler directives Compiler direct
Page 155 and 156: ModelSim compiler directives The fo
Page 157 and 158: Determining which memories were imp
Page 159 and 160: 6 - SystemC simulation Chapter cont
Page 161 and 162: Supported platforms and compiler ve
Page 163 and 164: Usage flow for SystemC-only designs
Page 165 and 166: Code modification examples Compilin
Page 167 and 168: Example 3 Compiling SystemC files U
Page 169 and 170: Restrictions on compiling with HP a
Page 171 and 172: Issues with C++ templates Templatiz
Page 173 and 174: Simulating SystemC designs Loading
Page 175 and 176: Initialization and cleanup of Syste
Page 177 and 178: Waveform compare Debugging the desi
Page 179 and 180: Debugging the design UM-179 The gdb
Page 181 and 182: Viewing FIFOs SystemC object and ty
Page 183 and 184: OSCI 2.1 features supported Differe
Page 185 and 186: Troubleshooting SystemC errors UM-1
Page 187 and 188: 7 - Mixed-language simulation Chapt
Page 189 and 190: Usage flow for mixed-language simul
Page 191 and 192: Simulator resolution limit Runtime
Page 193 and 194: Mapping data types Verilog to VHDL
Page 195 and 196: VHDL to Verilog mappings Mapping da
Page 197 and 198: Channels Ports Verilog mapping sc_b
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Verilog sc_logic sc_bit bool SuX 'X
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SystemC VHDL sc_int, sc_uint bit_ve
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VHDL: instantiating Verilog Verilog
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The generic type is determined by t
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Verilog: instantiating VHDL VHDL in
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SystemC: instantiating Verilog Veri
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Example #2 SystemC: instantiating V
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}; } #endif // Connect ports chip->
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Example of parameter use format_cha
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SystemC: instantiating VHDL VHDL in
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Example SystemC: instantiating VHDL
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); END ringbuf; ARCHITECTURE RTL OF
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vgencomp component declaration vgen
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8 - WLF files (datasets) and virtua
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Saving a simulation to a WLF file O
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Managing multiple datasets WLF file
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Saving at intervals with Dataset Sn
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Virtual Objects (User-defined buses
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Virtual regions Virtual types Virtu
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9 - Waveform analysis Chapter conte
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Introduction Objects you can view W
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Wave window overview UM-241 Here is
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List window overview List window ov
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Measuring time with cursors in the
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Jumping to a signal transition Meas
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Zooming the Wave window display Zoo
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Searching in the Wave and List wind
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Using the Expression Builder for ex
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Formatting the Wave window Setting
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Formatting the Wave window UM-257 3
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Formatting the List window Setting
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Saving the window format Saving the
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Saving List window data to a file S
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Configuring new line triggering in
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Configuring new line triggering in
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Miscellaneous tasks Examining wavef
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Comparison Wizard Waveform Compare
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Test Dataset Waveform Compare UM-27
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Adding regions Waveform Compare UM-
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Clocked comparison Waveform Compare
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Viewing differences in the Wave win
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Compare icons Waveform Compare UM-2
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Comparing hierarchical and flattene
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10 - Generating stimulus with Wavef
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Getting started You can use Wavefor
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Creating waveforms from patterns Cr
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Editing waveforms GR-291 These comm
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Simulating directly from waveform e
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Driving simulation with the saved s
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Saving the waveform editor commands
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11 - Tracing signals with the Dataf
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Adding objects to the window Adding
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Exploring the connectivity of your
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Zooming and panning Zooming with to
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Tracing the source of an unknown (X
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Finding objects by name in the Data
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Printing on Windows platforms Selec
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Symbol mapping Symbol mapping UM-31
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Configuring window options Configur
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12 - Profiling performance and memo
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Getting started Memory allocation p
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Enabling the statistical sampling p
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Interpreting profiler data Interpre
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The Call Tree view Viewing profiler
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Viewing profile details Viewing pro
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Integration with Source windows Int
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Reporting profiler results Reportin
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13 - Measuring code coverage Chapte
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Supported types ModelSim code cover
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Enabling code coverage Enabling cod
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Enabling code coverage UM-339 Next,
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Viewing coverage data in the Source
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Toggle coverage Enabling Toggle cov
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3 Produce the report with the toggl
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Excluding objects from coverage Exc
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end instance Default filter file Ex
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XML output Reporting coverage data
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Instance report with line details R
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Coverage statistics details Conditi
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Coverage statistics details UM-357
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14 - PSL Assertions Chapter content
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PSL assertion language What are ass
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Using cover directives Using assert
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REF2); signal mem_state : memory_st
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} // Check the write cycle property
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Multi-clocked properties and defaul
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Using endpoints in HDL code Example
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Restrictions Clocking endpoints Usi
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Compiling and simulating assertions
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Enabling/disabling failure and pass
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Setting failure and pass limits Man
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Reporting on assertions Reporting o
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15 - Functional coverage with PSL a
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Compiling and simulating functional
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Weighting coverage directives Confi
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Viewing coverage directives in the
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Reporting functional coverage stati
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Tag Meaning Understanding aggregate
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Saving functional coverage data Sav
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Clearing functional coverage data C
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16 - C Debug Chapter contents Intro
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Supported platforms and gdb version
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Setting breakpoints Setting breakpo
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Stepping in C Debug Stepping in C D
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Identifying all registered function
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Auto find bp versus Auto step mode
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Debugging functions during elaborat
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VPI functions in initialization mod
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C Debug command reference C Debug c
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17 - Signal Spy Chapter contents In
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init_signal_driver Call only once S
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Example library IEEE, modelsim_lib;
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Arguments Related procedures Limita
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signal_force Syntax Returns Argumen
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signal_release Syntax Returns Argum
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$init_signal_driver Call only once
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Example `timescale 1 ps / 1 ps modu
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Related tasks Limitations Example N
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Related tasks Limitations Example N
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Example module testbench; reg relea
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18 - Standard Delay Format (SDF) Ti
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SDF specification with the GUI Erro
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Resolving errors VHDL VITAL SDF UM-
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Examples Optional arguments can be
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REMOVAL is matched to $removal: SDF
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Optional conditions Timing check po
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Interconnect delays Interconnect de
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Mistaking a component or module nam
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19 - Value Change Dump (VCD) Files
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Checkpoint/restore and writing VCD
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Example 3 — Mixed-HDL design Firs
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ModelSim VCD commands and VCD tasks
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A VCD file from source to output VH
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x) x* x+ x, $end #300 $dumpon 1! 0"
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Capturing port driver data Supporte
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Example VCD output from vcd dumppor
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20 - Tcl and macros (DO files) Chap
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Tcl commands Tcl commands UM-473 Fo
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Tcl command syntax UM-475 7 If a wo
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set command syntax Tcl command synt
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Variable substitution System comman
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ModelSim Tcl time commands Conversi
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Tcl examples This is an example of
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} if {$windowName == ""} { # Dialog
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Macros (DO files) Creating DO files
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set vFilesExist 1 } shift } if {$vh
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Using the Tcl source command with D
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The Tcl Debugger Starting the debug
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Breakpoints The Tcl Debugger UM-495
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TclPro Debugger TclPro Debugger UM-
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A - ModelSim GUI changes Appendix c
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Main window changes UM-501 See "Cus
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Main window changes UM-503 File > O
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View menu The View menu has been re
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Tools menu The 6.0 Main window Tool
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List window changes File menu The L
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File menu See "Memory windows" (GR-
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View menu The Memory window > View
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Edit menu The Signals window > Edit
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View menu The Source window > File
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B - ModelSim variables Appendix con
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Environment variables Environment v
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Library mapping with environment va
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[Library] library path variables Va
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[vcom] VHDL compiler control variab
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[vsim] simulator control variables
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Preference variables located in INI
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Page 535 and 536:
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Commonly used INI variables Prefere
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Force command defaults Preference v
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Variable precedence Variable preced
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Special considerations for the now
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C - Error and warning messages Appe
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ModelSim message system UM-547 Ther
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Exit codes The table below describe
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Miscellaneous messages Miscellaneou
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Miscellaneous messages UM-553 model
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VSIM license lost Message text Cons
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Suggested action Multiply defined s
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D - Verilog PLI / VPI / DPI Chapter
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Registering PLI applications Regist
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Registering VPI applications Exampl
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Registering DPI applications Regist
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For Windows only: Run a preliminary
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32-bit Linux platform Compiling and
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gcc compiler gcc -c -I//modeltech/i
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For DPI imports 64-bit IBM RS/6000
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32-bit Linux platform Compiling and
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64-bit Solaris platform Compiling a
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64-bit IBM RS/6000 platform DPI spe
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Loading shared objects with global
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VPI example The following example i
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The PLI callback reason argument Th
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The sizetf callback function The si
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Third party PLI applications Third
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IEEE Std 1364 ACC routines IEEE Std
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IEEE Std 1364 TF routines IEEE Std
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SystemVerilog DPI access routines S
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Verilog-XL compatible routines Veri
Page 599 and 600:
PLI/VPI tracing The purpose of trac
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Debugging PLI/VPI/DPI application c
Page 603 and 604:
E - ModelSim shortcuts Appendix con
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Main and Source window mouse and ke
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Keystrokes - UNIX Keystrokes - Wind
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Wave window mouse and keyboard shor
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F - System initialization Appendix
Page 613 and 614:
Environment variables accessed duri
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Initialization sequence Initializat
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G - Logic Modeling SmartModels Appe
Page 619 and 620:
Creating foreign architectures with
Page 621 and 622:
Vector ports Entity details VHDL Sm
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SmartModel Windows VHDL SmartModel
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Verilog SmartModel interface Verilo
Page 627 and 628:
H - Logic Modeling hardware models
Page 629 and 630:
Creating foreign architectures with
Page 631 and 632:
Vector ports Architecture details V
Page 633 and 634:
End-User License Agreement IMPORTAN
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COMPLIED WITH THIS AGREEMENT. MENTO
Page 637 and 638:
Graphics shall only use or disclose
Page 639 and 640:
Index CR = Command Reference, UM =
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Stop on quit mode UM-414 C Debug se
Page 643 and 644:
mem search CR-204 modelsim CR-206 n
Page 645 and 646:
ange checking in VHDL CR-316, UM-74
Page 647 and 648:
Add Folder GR-47 C Debug setup GR-9
Page 649 and 650:
F -f CR-360 F8 function key UM-607
Page 651 and 652:
Verilog modules UM-125 VHDL subprog
Page 653 and 654:
Memory window GR-169 GUI changes UM
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optimizing Verilog designs design o
Page 657 and 658:
eaders and drivers UM-303 readers c
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adix specifying for examine CR-163
Page 661 and 662:
system tasks VCD UM-461 Verilog UM-
Page 663 and 664:
U -u CR-365 unbound component GR-53
Page 665 and 666:
library clause UM-64 mixed designs
Page 667 and 668:
text editing UM-605 windows Active
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