7292 - mu.subx: loosen copy-byte checks a bit

Without this there's no way to convert an int to a byte. And that feels
too restrictive, and gives up a lot of safe things one might want to do
with bytes. (Such as divide a number by 10 and emit the remainder as a
byte.)

1 files changed, 3 insertions, 3 deletions

diff --git a/mu.md b/mu.md
index a990bc0c..0bc63d2b 100644
--- a/mu.md
+++ b/mu.md
@@ -335,9 +335,9 @@ variables of type 'byte' are only allowed in registers, not on the stack. Here
 are the possible statements for reading bytes to/from memory:
 
 ```
-var/reg <- copy-byte var2/reg2      # var: byte, var2: byte
-var/reg <- copy-byte *var2/reg2     # var: byte, var2: (addr byte)
-copy-byte-to *var1/reg1, var2/reg2  # var1: (addr byte), var2: byte
+var/reg <- copy-byte var2/reg2      # var: byte
+var/reg <- copy-byte *var2/reg2     # var: byte
+copy-byte-to *var1/reg1, var2/reg2  # var1: (addr byte)
 ```
 
 In addition, variables of type 'byte' are restricted to (the lowest bytes of)