X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=monolyzer%2Ftimer.asm;h=91cfba80d6a885ec92b39120208d92aff22eb111;hb=f9e6ded1910b07f37d30e24c69ac6c9bf5438178;hp=2f14b6999ed77ccf72d92bf7c943a344acc3ae34;hpb=1117f788c441bc3d8caf90e5fb883e11696e1757;p=my-code%2Fatmel.git

diff --git a/monolyzer/timer.asm b/monolyzer/timer.asm
index 2f14b69..91cfba8 100644
--- a/monolyzer/timer.asm
+++ b/monolyzer/timer.asm
@@ -2,9 +2,30 @@
 
 TIMER1_INIT:
 
-	; clock select, prescaler 8
-	ldi tmp1,0x02
+	; clock select, prescaler 64
+	in tmp1,TCCR1B
+	cbr tmp1,(1<<CS12)
+	sbr tmp1,(1<<CS11)
+	sbr tmp1,(1<<CS10)
 	out TCCR1B,tmp1
 
 	ret
 
+TIMER1_INT_ENABLE:
+
+	; overflow interrupt enable
+	in tmp1,TIMSK
+	sbr tmp1,(1<<TOIE1)
+	out TIMSK,tmp1
+
+	ret
+
+TIMER1_INT_DISABLE:
+
+	; overflow interrupt disable
+	in tmp1,TIMSK
+	cbr tmp1,(1<<TOIE1)
+	out TIMSK,tmp1
+
+	ret
+