strings + nip and tuck

1 files changed, 22 insertions, 0 deletions

diff --git a/readme.md b/readme.md
index 940eddf..00f79dd 100644
--- a/readme.md
+++ b/readme.md
@@ -263,6 +263,10 @@ yield the value of the first character of the next word in the input stream.
 copy u bytes of memory from a1 to a2.
 bytes are copied in low memory to high memory order.
 
+### `cmove,   ( a u -- )`
+copy u bytes of memory from a1 to `here`, then increment `here` appropriately.
+bytes are copied in low memory to high memory order.
+
 ### `cmove>   ( a1 a2 u -- )`
 copy u bytes of memory from a1 to a2.
 bytes are copied in high memory to low memory order.
@@ -370,6 +374,9 @@ the most recently created word.
 ### `literal   ( n -- ) IMMEDIATE COMPILE-ONLY`
 compile a push of the literal value n into the currently compiling word.
 
+### `nip   ( u1 u2 -- u2 )`
+drop the second-highest value from the stack.
+
 ### `number   ( a u -- n -1 | 0 )`
 convert given string into a number along with a flag.
 if parsing a number fails then 0 (false) is returned
@@ -413,6 +420,11 @@ in a begin-while-repeat loop, loop back to the condition.
 ### `rot   ( u1 u2 u3 -- u2 u3 u1 )`
 rotate the top three values on the stack so that the third highest value is moved to the top.
 
+### `s"   ( "string" -- ) IMMEDIATE COMPILE-ONLY`
+compile into the definition code to push the given string,
+terminated by a double quote.
+the string data and length are stored inline in the definition.
+
 ### `smudge   ( -- )`
 toggles the smudge bit on the xt in latest.
 
@@ -421,6 +433,12 @@ a variable containing a boolean value.
 if 0 (false), the system is in interpreting mode,
 if -1 (true), the system is in compiling mode.
 
+### `stderr   ( -- 2 )`
+push the file descriptor of stderr to the stack.
+
+### `stdout   ( -- 1 )`
+push the file descriptor of stdout to the stack.
+
 ### `swap  ( u1 u2 -- u2 u1 )`
 swap the two topmost values on the stack.
 
@@ -456,6 +474,10 @@ of a `value`.
 ### `true   ( -- u )`
 a cell with all bits set.
 
+### `tuck   ( u1 u2 -- u2 u1 u2 )`
+place a copy of the highest value on the stack
+below the second highest value on the stack.
+
 ### `type   ( a u -- )`
 write u characters at a to output.