添加一些关于midi播放的项目

2025-03-24 14:30:56 +08:00
parent e31eb22077
commit 498b4ef13b
699 changed files with 186162 additions and 1 deletions
@@ -0,0 +1,28 @@
+#include <avr/io.h>
+
+#define PeriodTimerHandler TIMER2_COMPA_vect
+
+.section .text
+.global PeriodTimerHandler
+PeriodTimerHandler:
+	sbi _SFR_IO_ADDR(PORTB),0
+	in	r0, _SFR_IO_ADDR(SREG)
+	push r0
+	push r18
+	push r19
+	push r20
+	push r21	
+	push r30
+	push r31
+    #include "Synth.inc"
+    #include "UpdateTick.inc"
+	pop r31
+	pop r30
+	pop r21	
+	pop r20
+	pop r19
+	pop r18
+	pop r0
+	out	_SFR_IO_ADDR(SREG), r0
+	cbi _SFR_IO_ADDR(PORTB),0
+	reti