IO system

1 files changed, 19 insertions, 20 deletions

diff --git a/lib/midi/init.moon b/lib/midi/init.moon
index 0cbe5e0..3bfba48 100644
--- a/lib/midi/init.moon
+++ b/lib/midi/init.moon
@@ -1,7 +1,5 @@
-import Value, Op from require 'core'
+import Value, Op, ValueInput, IOInput, match from require 'core'
 import input, output, inout, apply_range from require 'lib.midi.core'
-import ValueInput, EventInput from require 'core.base'
-import match from require 'core.pattern'
 
 class gate extends Op
   @doc: "(midi/gate port note [chan]) - gate from note-on and note-off messages"
@@ -10,9 +8,9 @@ class gate extends Op
     super 'bool', false
 
   setup: (inputs) =>
-    { port, note, chan } = match '=midi/port num num?', inputs
+    { :port, :note, :chan } = match 'midi/port num num?', inputs
     super
-      port: EventInput port.value!
+      port: IOInput port
       note: ValueInput note
       chan: ValueInput chan or Value.num -1
 
@@ -22,12 +20,13 @@ class gate extends Op
     if note\dirty! or chan\dirty!
       @out\set false
 
-    for msg in port\receive!
-      if msg.a == note! and (chan == -1 or msg.chan == chan!)
-        if msg.status == 'note-on'
-          @out\set true
-        elseif msg.status == 'note-off'
-          @out\set false
+    if port\dirty!
+      for msg in port!\receive!
+        if msg.a == note! and (chan! == -1 or msg.chan == chan!)
+          if msg.status == 'note-on'
+            @out\set true
+          elseif msg.status == 'note-off'
+            @out\set false
 
 class cc extends Op
   @doc: "(midi/cc port cc [chan [range]]) - MIDI CC to number
@@ -42,11 +41,10 @@ range can be one of:
   new: =>
     super 'num'
 
-
   setup: (inputs) =>
-    { port, cc, chan, range } = match '=midi/port num num? any?', inputs
+    { port, cc, chan, range } = match 'midi/port num num? any?', inputs
     super
-      port:  EventInput port.value!
+      port:  IOInput port
       cc:    ValueInput cc
       chan:  ValueInput chan or Value.num -1
       range: ValueInput range or Value.str 'uni'
@@ -55,12 +53,13 @@ range can be one of:
       @out\set apply_range @inputs.range, 0
 
   tick: =>
-    { port, cc, chan, range } = @inputs
-    for msg in port\receive!
-      if msg.status == 'control-change' and
-         (chan == -1 or msg.chan == chan!) and
-         msg.a == cc!
-        @out\set apply_range range, msg.b
+    { :port, :cc, :chan, :range } = @inputs
+    if port\dirty!
+      for msg in port!\receive!
+        if msg.status == 'control-change' and
+           (chan! == -1 or msg.chan == chan!) and
+           msg.a == cc!
+          @out\set apply_range range, msg.b
 
 {
   :input