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Added program for finding characters invisible to human readers

This commit is contained in:
Jeremiah Orians 2017-12-17 19:08:37 -05:00
parent fa9cfb940e
commit 0ad7d92437
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GPG Key ID: 7457821534D2ACCD
3 changed files with 63 additions and 1 deletions
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2
CHANGELOG.org
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@ -17,6 +17,7 @@
* Current
** Added
Added the ability to remove watch points in the webide
Added program to search for unusual characters that are not human detectable
** Changed
Expanded stage0 web IDE to include the PC and instruction counter
@ -26,6 +27,7 @@ Fixed behavior of R@ thanks to reepca
Updated changed checksums for stage2 FORTH
Corrected behavior when using the web IDE and attempting to set registers that don't exist
Fixed regression in hex.c caused by refactoring
Fixed output of large negative numbers in hex
** Removed
Removed stage1_assembler-0's need for Memory and reduced size of program while at it

2
High_level_prototypes/asm.c
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@ -581,7 +581,7 @@ void eval_immediates(struct Token* p)
if(('0' == p->Text[0]) || (0 != value))
{
sprintf(p->Expression, "%04x", value);
sprintf(p->Expression, "%04x", value & 0xFFFF);
}
}

60
High_level_prototypes/sin.c Normal file
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@ -0,0 +1,60 @@
/* Copyright (C) 2016 Jeremiah Orians
* This file is part of stage0.
*
* stage0 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* stage0 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with stage0. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
/* Standard C main program */
int main(int argc, char **argv)
{
/* Make sure we have a program tape to run */
if (argc < 2)
{
fprintf(stderr, "Usage: %s $FileName\nWhere $FileName is the name of the file being examined\n", argv[0]);
return EXIT_FAILURE;
}
FILE* source_file = fopen(argv[1], "r");
int numbers = 0;
int lowers = 0;
int upppers = 0;
int others = 0;
int c;
do
{
c = fgetc(source_file);
switch(c)
{
case 48 ... 57: numbers = numbers + 1; break;
case 65 ... 90: upppers = upppers + 1; break;
case 97 ... 123: lowers = lowers + 1; break;
case 9:
case 10:
case 32 ... 47:
case 58 ... 64:
case 91 ... 96: others = others + 1; break;
default: fprintf(stderr, "read %02X\n", c);
}
} while(EOF != c);
fprintf(stderr, "Found %d numbers\nFound %d uppers\nFound %d lowers\nFound %d others\n", numbers, upppers, lowers, others);
fclose(source_file);
return EXIT_SUCCESS;
}