diff --git a/engine.tal b/engine.tal
index 5138ecf..0cebd3c 100644
--- a/engine.tal
+++ b/engine.tal
@@ -114,13 +114,16 @@ RTN
 &run
 ,&chan STR
 SWP ( get command )
-DUP #01 EQU ,&vol JCN ( set instrument )
+DUP #01 EQU ,&vol JCN ( set volume )
 DUP #02 EQU ,&instr JCN ( set instrument )
+DUP #07 EQU ,&speed JCN ( set speed )
 POP2 RTN
 &vol POP ,&chan LDR #10 MUL .Audio0/volume ADD DEO
 RTN
 &instr POP ,&chan LDR ;k-load-instrument JSR2
 RTN
+&speed POP #0f AND ( only include low byte ) DUP DEBUG .kalama/speed STZ #00 .kalama/tick STZ
+RTN
 
 ( loads instrument with number into specified audio channel, 0-indexed  )
 @k-load-instrument ( number channel -- )
diff --git a/player.tal b/player.tal
index c9868a4..7768992 100644
--- a/player.tal
+++ b/player.tal
@@ -104,13 +104,13 @@ ff 01 88
 54 02 00
 52 00 00
 54 00 00
-4f 00 00
+4f 07 04
 4b 00 00
 4f 00 00 
 48 00 00
-ff 00 00
+ff 02 01
 ( pattern 01 )
-54 02 01
+54 07 0f
 56 00 00
 57 00 00
 56 00 00