Update ascii.h

src/ascii.h

@@ -1,4 +1,9 @@
-int ascii [128][4] = { // BLK (X/Y, WHT (X/Y))
+/*********************************
+ ** ASCII spritemap X/Y coords **
+ *********************************
+// Black X,Y, White X,Y
+
+int ascii [128][4] = {
 {518, 49, 582, 49}, // NUL Null
 {518, 49, 582, 49}, // SOH Start Of Heading
 {518, 49, 582, 49}, // STX Start of TeXt
@@ -127,4 +132,4 @@ int ascii [128][4] = { // BLK (X/Y, WHT (X/Y))
 {470, 49, 534, 49}, // } Right curly bracket
 {494, 43, 558, 43}, // ~ Tilde
 {518, 49, 582, 49}, // DEL DELete
-};
+};