Minor doc updates.

README.md

@@ -54,7 +54,7 @@ during the vertical blank.
 
 Please use the documented sizes for the `MySong` and `MyPlayer` data
 structures, which are the symbols `sv_SIZEOF` and `pv_SIZEOF`
-respectively (about 2K and 12K with volume table).
+respectively (about 2KB and 12KB with volume table).
 
 The source needs two common include files to compile (`custom.i` and
 `dmabits.i`). You should leave assembler optimizations enabled.
@@ -69,6 +69,7 @@ The source needs two common include files to compile (`custom.i` and
    - a pointer to chip memory sample buffer in `a1`
    - the pointer to `MySong` in `a2`
    - a pointer to a longword for progress information or null in `a3`
+
    This will create the samples, too.
 4. After that, regularly call `pre_PlayerTick` with `MyPlayer` in `a0`
    and optionally the copperlist in a1 if you're using that mode).
@@ -87,9 +88,13 @@ Raspberry Casket, depending on the features compiled in, is about
 
 So this means that the optimization is not just "on the outside".
 
+About 2.4 KB of the code (and data) are spent for the sample generation,
+the remaining code for playback.
+
 ### Timing
 
-Sample generation is a bit faster (I guess around 10-15%), but most of the time is spent on muls operations, so this is the limiting factor.
+Sample generation is a bit faster (I guess around 10-15%),
+but most of the time is spent on `muls` operations, so this is the limiting factor.
 Raspberry Casket is about twice as fast as the old replayer for playback.
 
 Unfortunately, the replayer is still pretty slow and has high
@@ -117,6 +122,11 @@ solve this problem.
 
 ## Changelog
 
+### V1.x (unreleased)
+- Fixed a bug regarding the copper output mode with looping waves having a loop-offset.
+- Fixed wrong register use on triggering waves regarding the loop offset.
+- Minor code size optimizations.
+
 ### V1.1 (28-Dec-22)
 - Optimized base displacement by reordering variables.
 - Further optimized ADSR code.