158 is pre5

and it does not have effects yet

papers/format.md

@@ -32,7 +32,7 @@ these fields are 0 in format versions prior to 100 (0.6pre1).
 
 the format versions are:
 
-- 158: Furnace dev158
+- 158: Furnace 0.6pre5
 - 157: Furnace dev157
 - 156: Furnace dev156
 - 155: Furnace dev155
@@ -442,9 +442,6 @@ size | description
   4  | instrument directories
   4  | wavetable directories
   4  | sample directories
- --- | **patchbay effects** (>=158)
-  2  | number of effects
- 4?? | pointers to effects
 ```
 
 # patchbay
@@ -552,31 +549,6 @@ size | description
  1?? | assets in this directory
 ```
 
-# patchbay effect (>=158)
-
-these effects sit on the patchbay.
-
-```
-size | description
------|------------------------------------
-  4  | "EFFE" block ID
-  4  | size of this block
-  2  | slot
-     | - must be between 32 and 4092.
-     | - the other slots are reserved for chip/system portsets.
-  2  | effect ID
-     | - 0x01: dummy
-     | - 0x02: external (plugin bridge)
-     |   - not implemented yet
-     | - 0x03: volume
-     | - 0x04: filter (circuit)
-  4f | dry/wet balance
-  2  | reserved
-  2  | storage version
-  4  | storage length
- ??? | storage data
-```
-
 # instrument (>=127)
 
 Furnace dev127 and higher use the new instrument format.