rename symbol

apple1.h

@@ -53,7 +53,7 @@ void woz_mon() {
 }
 
 // returns nonzero if a key has been pressed
-inline byte keypressed() {
+inline byte woz_iskeypressed() {
    #ifdef APPLE1
       return PEEK(KEY_CTRL) & 0x80;
    #else

demo_interrupt.h

@@ -22,6 +22,7 @@ void demo_interrupt() {
 
    for(;;) {
       if(keypressed()) {
+      if(woz_iskeypressed()) {
          byte k = woz_getkey();
               if(k=='1') { tms_interrupt(1); woz_puts("INT ENABLED\r"); }
          else if(k=='0') { tms_interrupt(0); woz_puts("INT DISABLED\r"); }