Working on console interaction...

ascii.cpp

@@ -261,6 +261,10 @@ bool btnp(uint8_t i) {
     return key_just_pressed == i;
 }
 
+uint8_t whichbtn() {
+    return key_just_pressed;
+}
+
 int mousex() {
     return mouse_x;
 }
@@ -350,6 +354,16 @@ void debug_one_line_up() {
     debug_cursor = debug_total_size-debug_line_size;
 }
 
+void debugchr(const uint8_t chr) {
+    if (chr == 8) {
+        debug_text[debug_cursor--] = 32;
+        debug_text[debug_cursor] = 32;
+    } else {
+        debug_text[debug_cursor++] = chr;
+        if (debug_cursor >= debug_total_size) debug_one_line_up();
+    }
+}
+
 void debug(const char *str) {
     const int len = SDL_strlen(str);
     for (int i=0; i<len;++i) {

ascii.h

@@ -122,6 +122,7 @@ void print(const char *str, int x = -1, int y = -1);
 
 bool btn(uint8_t i);
 bool btnp(uint8_t i);
+uint8_t whichbtn();
 
 int mousex();
 int mousey();
@@ -154,6 +155,7 @@ int rnd(int x);
 
 const char* tostr(int val);
 
+void debugchr(const uint8_t chr);
 void debug(const char *str);
 void pdebug();
 

main.cpp

@@ -3,6 +3,15 @@
 int current_editor = 0;
 
 void do_terminal() {
+    const uint8_t key = whichbtn();
+    if (key != KEY_UNKNOWN) {
+        if (key < 30) debugchr(key+61);
+        else if (key < 39) debugchr(key+19);
+        else if (key == KEY_0) debugchr(key+9);
+        else if (key == KEY_RETURN) debug(" ");
+        else if (key == KEY_SPACE) debugchr(32);
+        else if (key == KEY_BACKSPACE) debugchr(8);
+    }
     cls(0);
     pdebug();
 }