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-rw-r--r--brainfuck.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/brainfuck.c b/brainfuck.c
index d23ae52..47bc60e 100644
--- a/brainfuck.c
+++ b/brainfuck.c
@@ -249,7 +249,7 @@ void usage(char * self)
printf("Options (defaults are in brackets):\n");
printf(" -s num stack size (%u)\n", stack_size);
printf(" -d num data size (%u)\n", data_size);
- printf(" -t trace execution for debug\n");
+ printf(" -t trace execution for debugging\n");
printf("\n");
printf("Formats for operators '.' and ',' (output and input):\n");
printf(" -c, -i, -u, -o, -x char, signed int, unsigned int, octal, hexadecimal\n");
@@ -268,11 +268,13 @@ void usage(char * self)
printf(" ; - end of code (useful when reading stdin)\n");
printf(" # - comment to the end of line (useful when reading files)\n");
printf("\n");
- printf("Example:\n");
+ printf("Examples:\n");
printf(" echo '+++[.-]' | %s # count down from 3 to 1\n", self);
printf(" echo ',+++.;5' | %s # shows 8\n", self);
printf(" echo ',>,<[->+<]>.;4 5' | %s # shows 4+5=9\n", self);
printf(" echo 'c,u.;h' | %s # shows 104 (ASCII code for 'h')\n", self);
+ printf(" echo ', [-[->+<]>];4' | %s -t # move data pointer by 4 \n", self);
+ printf(" echo ',>,< [> [->+<] < -[->+<]> ]; 3 7' | %s -t # move '7' by 3 \n\n", self);
exit(EXIT_SUCCESS);
}