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- /*
-
- ACHART - ASCII Character chart (including PC's upper ASCII).
- Invoked by pressing CTRL_A.
-
-
- (C) Copyright 1988 Marc Adler/Magma Systems All Rights Reserved
-
- */
-
- #define CTRL_A 1
-
- init()
- {
- assign_key("ASCII_Chart", CTRL_A);
- }
-
-
- ASCII_Chart()
- {
- /* Get the color to display the chart in */
- fg = get_option("fg");
- bg = get_option("bg");
- attr = bg * 16 + fg;
-
- for (i = 0; i <= 1; i++)
- {
- clear_screen();
- row = 1;
- col = 0;
-
- /* Print the column headings */
- for (c = 0; c < 6; c++)
- display(0, c*13, 79, attr, "CH DEC HEX");
-
- /* Determine the ending character for the loop */
- if (i == 0)
- endc = 128;
- else
- endc = 256;
-
- for (c = i * 127 + 1; c < endc; c++)
- {
- s = sprintf("%s %d", chr(c), c);
- display(row, col, 79, attr, s);
- display(row, col+7, 79, attr, itox(c));
-
- if (++row % 24 == 0)
- {
- col += 13;
- row = 1;
- }
- }
-
- get_tty_str("Press a key to continue...");
-
- } /* end for i */
- }
-
-
- /*
- Itox() - takes the passed integer and returns the hex representation
- */
- itox(n)
- {
- hi = n / 16;
- if (hi >= 10)
- hi = 'A' + hi - 10;
- else
- hi += '0';
-
- lo = n % 16;
- if (lo >= 10)
- lo = 'A' + lo - 10;
- else
- lo += '0';
-
- return strcat(chr(hi), chr(lo));
- }
-