107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
/*
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* Copyright (c) 2003-2010 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "vpi_user.h"
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# include <cassert>
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static const char str_char1_table[257] = {
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".HS1M222" "W3333333" /* 00 0F */ "L4444444" "44444444" /* 10 1F */
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"P5555555" "55555555" /* 20 2F */ "55555555" "55555555" /* 30 3F */
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"S6666666" "66666666" /* 40 4F */ "66666666" "66666666" /* 50 5F */
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"66666666" "66666666" /* 60 6F */ "66666666" "66666666" /* 70 7F */
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"S7777777" "77777777" /* 80 8F */ "77777777" "77777777" /* 90 9F */
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"77777777" "77777777" /* A0 AF */ "77777777" "77777777" /* B0 BF */
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"77777777" "77777777" /* C0 CF */ "77777777" "77777777" /* D0 DF */
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"77777777" "77777777" /* E0 EF */ "77777777" "77777777" /* F0 FF */ };
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static const char str_char2_table[257] = {
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".im0e010" "e0102010" /* 00 0F */ "a0102010" "30102010" /* 10 1F */
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"u0102010" "30102010" /* 20 2F */ "40102010" "30102010" /* 30 3F */
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"t0102010" "30102010" /* 40 4F */ "40102010" "30102010" /* 50 5F */
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"50102010" "30102010" /* 60 6F */ "40102010" "30102010" /* 70 7F */
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"u0102010" "30102010" /* 80 8F */ "40102010" "30102010" /* 90 9F */
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"50102010" "30102010" /* A0 AF */ "40102010" "30102010" /* B0 BF */
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"60102010" "30102010" /* C0 CF */ "40102010" "30102010" /* D0 DF */
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"50102010" "30102010" /* E0 EF */ "40102010" "30102010" /* F0 FF */ };
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extern "C" void vpip_format_strength(char*str, s_vpi_value*value, unsigned bit)
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{
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str[0] = '.';
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str[1] = '.';
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str[2] = '.';
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str[3] = 0;
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assert(value->format == vpiStrengthVal);
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switch (value->value.strength[bit].logic) {
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case vpi0:
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str[0] = str_char1_table[value->value.strength[bit].s0];
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str[1] = str_char2_table[value->value.strength[bit].s0];
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str[2] = '0';
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break;
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case vpi1:
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str[0] = str_char1_table[value->value.strength[bit].s1];
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str[1] = str_char2_table[value->value.strength[bit].s1];
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str[2] = '1';
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break;
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case vpiX:
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if (value->value.strength[bit].s0 == 1) {
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str[0] = str_char1_table[value->value.strength[bit].s1];
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str[1] = str_char2_table[value->value.strength[bit].s1];
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str[2] = 'H';
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} else if (value->value.strength[bit].s1 == 1) {
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str[0] = str_char1_table[value->value.strength[bit].s0];
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str[1] = str_char2_table[value->value.strength[bit].s0];
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str[2] = 'L';
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} else if (value->value.strength[bit].s1 ==
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value->value.strength[bit].s0) {
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str[0] = str_char1_table[value->value.strength[bit].s0];
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str[1] = str_char2_table[value->value.strength[bit].s0];
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str[2] = 'X';
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} else {
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int ss;
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str[0] = '0';
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ss = value->value.strength[bit].s0;
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while (ss > 1) {
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str[0] += 1;
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ss >>= 1;
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}
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str[1] = '0';
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ss = value->value.strength[bit].s1;
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while (ss > 1) {
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str[1] += 1;
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ss >>= 1;
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}
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str[2] = 'X';
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}
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break;
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case vpiZ:
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str[0] = 'H';
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str[1] = 'i';
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str[2] = 'Z';
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break;
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default:
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fprintf(stderr, "Unsupported type %d.\n",
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(int)value->value.strength[bit].logic);
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assert(0);
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}
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}
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