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--- std:start [2022/07/17 10:34] – [Definitions] rajit
+++ std:start [2025/09/16 14:33] (current) – [Runtime Functions] rajit
@@ Line 4: / Line 4: @@
 ====== Functions ======
+===== Parameter-type functions =====
 <code act>
@@ Line 24: / Line 26: @@
 </code>
 Computes the quantity ''n'' to the power of ''m''. Note that ''pint''s use 64-bit representation.
+===== Runtime Functions =====
+<code act>
+export template<pint W; pint N; pint taps[N]> function fib_lfsr (int<W> state) : int<W>;
+</code>
+Given the current ''W''-bit state of a Fibonacci-style linear feedback shift register (LFSR), compute the next state. The LFSR has ''N'' taps, and the ith tap is at location ''taps[i]''.
+<code act>
+export template<pint W; pint N; pint taps[N]> function galois_lfsr (int<W> state) : int<W>;
+</code>
+Given the current ''W''-bit state of a Galois-style linear feedback shift register (LFSR), compute the next state. The LFSR has ''N'' taps, and the ith tap is at location ''taps[i]''.
 ====== Definitions ======
@@ Line 36: / Line 52: @@
 export template<pint N, W>
 defproc ram (chan?(int<2>) rd; chan?(int<std::ceil_log2(N)>) addr;
-                        chan?(int<W>) din;  chan!(int<W>) dout);
+             chan?(int<W>) din;  chan!(int<W>) dout);
 </code>
@@ Line 56: / Line 72: @@
 The ''std'' namespace contains a number of nested namespaces:
-  * [[channels|channels]]: Standard channel definitions
   * [[data|data]]: Standard data types
+  * [[channels|channels]]: Standard channel definitions
   * [[gates|gates]]: Commonly used gates
   * [[cells|cells]]: A simple synchronous standard-cell library
   * [[io|io]]: Standard I/O primitives
+  * [[bit|bit]]: Bit-manipulation functions