d,, branch, ?branch

1 files changed, 12 insertions, 0 deletions

diff --git a/readme.md b/readme.md
index e4c544f..4280da6 100644
--- a/readme.md
+++ b/readme.md
@@ -108,6 +108,11 @@ in the input buffer.
 ### `>r   ( u -- ) ( R: -- u )`
 move a value from the working stack to the return stack.
 
+### `?branch   ( -- )`
+compile into user memory an incomplete conditional branch.
+if the value on the stack is zero the branch is taken.
+a 32 bit branch offset must be written immediately after.
+
 ### `0=   ( n -- ? )`
 return true if n is equal to zero.
 
@@ -141,6 +146,10 @@ duplicate the two topmost values on the stack.
 ### `and   ( u1 u2 -- u )`
 perform bitwise AND on u1 and u2.
 
+### `branch   ( -- )`
+compile into user memory an incomplete branch.
+a 32 bit branch offset must be written immediately after.
+
 ### `brk@   ( -- a )`
 yields current program break.
 
@@ -167,6 +176,9 @@ bytes are copied in low memory to high memory order.
 copy u bytes of memory from a1 to a2.
 bytes are copied in high memory to low memory order.
 
+### `d,   ( n -- )`
+write a 32 bit value to user memory and increment the user memory pointer.
+
 ### `dp   ( -- a )`
 a variable that contains the lowest free byte of memory in user memory.