diff --git a/projects/snow/README.md b/projects/snow/README.md
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+# Retro Snow
+
+In this project, you will create a retro animation using terminal escape
+sequences, that mimics falling snow. This is, in fact, a trivial
+particle system. Sophisticated particle systems are a routine part of
+visual effects in television and film as well as crucial tools in
+scientific computing.
+
+## A Particle
+
+A single particle looks like this:
+
+```c++
+struct Particle {
+	int32_t line;
+	int32_t column;
+};
+```
+
+Thus, a particle is made up of two 32 bit integers side-by-side. The
+first provides the line of the particle, the second its column.
+
+## Screen Size
+
+A default terminal window measures 80 characters across and 24 lines
+down. The origin is (1, 1) located at the top left corner.
+
+## Cursor Movement
+
+Snow flakes (particles) will be positioned using an old school VT100
+escape sequence. This sequence is:
+
+```text
+ESC [ line ; column H
+```
+
+with no spaces.
+
+Using `printf()`, a template string can be employed:
+
+```text
+"\033[%d;%dH"
+```
+
+In C++, you'd do something like this:
+
+```c++
+cout << "\033[" << line << ";" << column << "H";
+```
+
+Note that there are no new lines being printed since this would in
+itself move the cursor to the left edge of the next line and could
+even cause scrolling - a disaster in this project.
+
+## Erasing the Screen
+
+To erase the screen, use this escape sequence after first having moved
+to screen position (1, 1):
+
+```text
+"\033[2J"
+```
+
+## A C++ Object To Use As A Model
+
+The following C++ can be used to start your thinking about how to go
+about writing this project.
+
+```c++
+struct Particle {
+	int32_t line;
+	int32_t column;
+	void Step();
+	void Render();
+	void Reset();
+};
+```
+
+### `Step()`
+
+All particles use the `Step()` function to move into the future. The
+`line` is increased by one and the `column` can either remain unchanged,
+move to the left or move to the right.
+
+If the particle's `line` exceeds 24, the particle is `Reset()`.
+
+### `Render()`
+
+To draw a particle, `Move()` to its location then print a "*" all
+without emitting a new line. Before printing the "*", check to ensure
+both the `line` and `column` are within the boundaries of the default
+terminal window (i.e. 1 &le; line &le; 24 and 1 &le; column &le; 80).
+If the particle's position is outside this range, don't print anything.
+
+### `Reset()`
+
+A particle's initial `column` can be anywhere from 1 to 80 inclusive.
+Special care is given to setting the particle's initial `line`.
+Specifically, always place the particle above the visible screen...
+chosen randomly from -1 to -48. This allows for sufficient spacing so
+that the snow does not appear to fall in clumps.
+
+## The Storm
+
+A single snow flakes does not a blizzard make. Therefore, allocate a
+large number of them - perhaps 150 to 200 flakes. Since assembly
+language doesn't have actual C++ objects, each flake occupies only
+the 2 `int32_t` values. Suppose *n* is the number of flakes you choose
+to model. Then allocate *2 \* 4 \* n* bytes using `malloc()`. Since
+you will then `Reset()` every one of them, initializing the newly
+allocated memory is not needed.
+
+Then, you'll need a `StepAll()` and a `RenderAll()`.
+
+## The Main Loop
+
+* Position cursor at (1, 1).
+
+* Erase the screen.
+
+* `StepAll()`
+
+* `RenderAll()`
+
+* Position cursor at (1, 1) again and print a new line.
+
+* Delay a short time. In my implementation, I using `usleep()` to delay
+2<sup>17</sup> microseconds.
+
+Note only one new line is printed per frame - this is used to force all
+output to be flushed to the terminal.
+
+## Desired Outcome
+
+![movie](./snow.gif)
+
+## Solution
+
+The solution is [here](./main.s).
+
diff --git a/projects/snow/main.s b/projects/snow/main.s
index 2d6a91f..b314c1d 100644
--- a/projects/snow/main.s
+++ b/projects/snow/main.s
@@ -2,7 +2,7 @@
         .align      2
         .text
 
-        .equ        NUM_FLAKES, 150
+        .equ        NUM_FLAKES, 250
         .equ        MAX_COLUMN, 80
         .equ        MAX_LINE, 24
         .equ        MAX_LINE_X2, 48
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