docs: HUD stats row, quit confirm, and storm riding

Author: splch

MANUAL.md

@@ -93,11 +93,14 @@ There are 65,536 seas awaiting. No two alike.
 
 ## THE SHIP'S HUD
 
-At the bottom of the screen, your instruments keep three readings:
+At the bottom of the screen, your instruments keep two rows of readings:
 
 * **TX** — your east-west position, in hex, by tile.
 * **TY** — your north-south position, in hex, by tile.
 * **SPD** — your current speed. Watch it near land!
+* **H** — hull remaining. When it reaches zero, see SHIPWRECK.
+* **G** — gold in the hold.
+* **F** — chart fragments found, out of 9.
 
 A good navigator notes the coordinates of anything worth finding again.
 
@@ -142,8 +145,9 @@ answer with your own broadside; your gunners aim true at any enemy in
 sight. Sink a pirate and plunder his gold.
 
 **Storms.** Dark weather blows up without warning and drags the ship
-where it will. Keep a firm hand on the helm — a captain who fights the
-rudder keeps his hull; a captain who abandons it does not.
+where it will — hard enough that a bold captain can ride the blow like a
+fast current, if he dares. Keep a firm hand on the helm: a captain who
+fights the rudder keeps his hull; a captain who abandons it does not.
 
 **Hull is life.** Enemy shot, hidden rocks, and storm-tossed drifting all
 cost hull. When the hull reaches zero, see SHIPWRECK, and say a prayer.

README.md

@@ -32,7 +32,7 @@ then flash it to a cartridge or open it in any Game Boy emulator
 |---|---|---|---|
 | D-pad | Sail (momentum — ease off!) | Menus | Edit seed digits |
 | A | Dock at a beach / fire cannons / **dig** on an isle | Confirm / buy (RIGHT) | New game (seed screen) |
-| B | Quit to seed screen (unsaved) | Back / set sail | — |
+| B | Quit to seed screen (press twice; unsaved) | Back / set sail | — |
 | START | **The chart** (your map fills in as you explore) | — | Continue a saved game |
 
 - **Eight hex digits, one ocean.** `DEADBEEF` is a fine first sea. **A** starts
@@ -48,8 +48,9 @@ then flash it to a cartridge or open it in any Game Boy emulator
 - **Digging.** An isle's beach only gives up its fragment once its guardian
   is sunk.
 - **Hull is life.** Ramming land, enemy shot, and storm-tossed drifting all
-  cost hull. At 0 you wreck: lose half your gold and wake in open water with
-  a patched hull.
+  cost hull (watch the **H** reading at the bottom of the screen, beside your
+  gold and fragment count). At 0 you wreck: lose half your gold and wake in
+  open water with a patched hull.
 
 See [MANUAL.md](MANUAL.md) for the full captain's handbook.