+// vt100 special graphics and line drawing
+// 5f-7e standard vt100
+// 40-5e rxvt extension for extra curses acs chars
+static uint16_t const vt100_utf8[62] = { // 41 .. 7e
+ 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
+ 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
+ 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
+ 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
+ 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
+ 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
+ 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
+ 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
+};
+
+static uint32_t vt100[62];
+
+void madtty_init_vt100_graphics(void)
+{
+ vt100['l' - 0x41] = ACS_ULCORNER;
+ vt100['m' - 0x41] = ACS_LLCORNER;
+ vt100['k' - 0x41] = ACS_URCORNER;
+ vt100['j' - 0x41] = ACS_LRCORNER;
+ vt100['u' - 0x41] = ACS_RTEE;
+ vt100['t' - 0x41] = ACS_LTEE;
+ vt100['v' - 0x41] = ACS_TTEE;
+ vt100['w' - 0x41] = ACS_BTEE;
+ vt100['q' - 0x41] = ACS_HLINE;
+ vt100['x' - 0x41] = ACS_VLINE;
+ vt100['n' - 0x41] = ACS_PLUS;
+ vt100['o' - 0x41] = ACS_S1;
+ vt100['s' - 0x41] = ACS_S9;
+ vt100['`' - 0x41] = ACS_DIAMOND;
+ vt100['a' - 0x41] = ACS_CKBOARD;
+ vt100['f' - 0x41] = ACS_DEGREE;
+ vt100['g' - 0x41] = ACS_PLMINUS;
+ vt100['~' - 0x41] = ACS_BULLET;
+#if 0 /* out of bounds */
+ vt100[',' - 0x41] = ACS_LARROW;
+ vt100['+' - 0x41] = ACS_RARROW;
+ vt100['.' - 0x41] = ACS_DARROW;
+ vt100['-' - 0x41] = ACS_UARROW;
+ vt100['0' - 0x41] = ACS_BLOCK;