Documented .equ and small improvements

1 files changed, 6 insertions, 1 deletions

diff --git a/README.md b/README.md
index f9318d4..2886be8 100644
--- a/README.md
+++ b/README.md
@@ -129,9 +129,11 @@ Example:
     ; can use the frame int o sync
     ld a, 0xff
     ld x, 0
+    ; lower byte of the address
     ld b, <int_handler
     ld [a : x], b
     inc x
+    # higher byte of the address
     ld b, >int_handler
     ld [a : x], b
 
@@ -211,7 +213,7 @@ branching instructions:
     inc a
 ```
 
-#### Directives
+#### Assembler directives
 
 .org addr  
 Set the address to that value. By default the starting address is `0x0000`.
@@ -223,6 +225,9 @@ and `>`for the high byte.
 .dw imm [, imm]  
 Literal word.
 
+.equ label imm  
+Define a label assigning an arbitrary immediate.
+
 #### Load and Store
 
 LD r1, r2