adding applesoft basic rom

src/interface.c

@@ -21,7 +21,7 @@ void input()
 {
     int ch = getch();
     if (ch == '\n') { ch = '\r'; }
-    if (ch == '\r' || ch == '.' || ch == ':' ||
+    if (ch == '\r' || ch == '.' || ch == ':' || ch == ' ' ||
        (ch >= '0' && ch <= '9') ||
        (ch >= 'A' && ch <= 'Z'))
     {

src/memory.c

@@ -1,5 +1,6 @@
 #include "inc/types.h"
 #include "inc/rom.h"
+#include "inc/basic.h"
 #include "inc/memory.h"
 
 /*
@@ -61,6 +62,12 @@ db read_byte(dw address)
     {
         return display_buffer;
     }
+    else if (address >= 0xE000 && address <= 0xEFFF)
+    {
+        // AppleSoft Basic
+        address = address & 0xFFF;
+        return basic_memory[address];
+    }
     else if (address >= 0xFF00 && address <= 0xFFFF)
     {
         // wozmon ROM