source for attiny pacman project

attiny85-pacman.cpp

@@ -0,0 +1,92 @@
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <avr/sleep.h>
+#include <util/delay.h>
+#include <avr/interrupt.h>
+#include "playtune.h"
+#include "songs/mspacman-acti-they-meet-attiny.h"
+#include "songs/mspacman-game-start-attiny.h"
+#include "songs/mspacman-actii-the-chase-attiny.h"
+
+#define output_low(port,pin) port &= ~(1<<pin)
+#define output_high(port,pin) port |= (1<<pin)
+#define output_toggle(port,pin) port ^= (1<<pin)
+#define set_input(portdir,pin) portdir &= ~(1<<pin)
+#define set_output(portdir,pin) portdir |= (1<<pin)
+#define read_value(portdir,pin) ( portdir & (1<<pin) )
+#define LED PB3
+int main(void) 
+{
+    set_output(DDRB, LED);
+    output_low(PORTB, LED);
+    // setup interrupt
+    GIMSK |= (1<<INT0); // INT0 enabled for interrupts
+    set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+    sleep_enable();
+    sei();
+
+    while(1) {
+        output_low(PORTB, LED); 
+        sleep_cpu();
+    }
+    return(0);
+}
+
+volatile uint8_t tune = 0;
+ISR (INT0_vect)
+{
+    output_high(PORTB, LED);
+    PlayTune theymeet0(0,MSPACMAN_ACTI_THEY_MEET0);
+    PlayTune theymeet1(1,MSPACMAN_ACTI_THEY_MEET1);
+    PlayTune gamestart0(0,MSPACMAN_GAME_START0);
+    PlayTune gamestart1(1,MSPACMAN_GAME_START1);
+    PlayTune thechase0(0,MSPACMAN_ACTII_THE_CHASE0);
+    PlayTune thechase1(1,MSPACMAN_ACTII_THE_CHASE1);
+
+    switch(tune) {
+
+        case 1:
+            while ( theymeet0.isPlaying() || theymeet1.isPlaying() ) {
+
+                theymeet0.playNote(); 
+                theymeet1.playNote(); 
+                _delay_ms(65);
+            } 
+            break;
+        case 2:
+            while ( gamestart0.isPlaying() || gamestart1.isPlaying() ) {
+
+                gamestart0.playNote(); 
+                gamestart1.playNote(); 
+                _delay_ms(15);
+            } 
+            break; 
+
+        case 3:
+            while ( gamestart0.isPlaying() || gamestart1.isPlaying() ) {
+
+                gamestart0.playNote(); 
+                gamestart1.playNote(); 
+                _delay_ms(15);
+            } 
+            break; 
+
+
+
+/*
+            while ( thechase0.isPlaying() || thechase1.isPlaying() ) {
+            
+                thechase0.playNote(); 
+                thechase1.playNote(); 
+                _delay_ms(65);
+            } 
+            break; */
+    } 
+
+    if (tune == 3) {
+        tune = 1;
+    } else {
+        tune++;
+    } 
+}