From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 1 Jun 2025 06:16:21 +0000 (+0200)
Subject: rand: Added helper for d16 rolls
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=3b4e0d044d963727e38b825b2ef94c2e32c06b03;p=gbrg%2F.git

rand: Added helper for d16 rolls
---

diff --git a/TODO.md b/TODO.md
index 007e157..eaf016d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -71,4 +71,12 @@
 
 [ ] Display active unit stats and hp
 [ ] Display active unit melee and ranged attack
-[ ] When holding select display unit queue until end of turn 
+[ ] When holding select display unit queue until end of turn
+
+## Randomness
+
+[ ] The entire game is based on d16 rolls
+[ ] Weapons do damage based on a roll
+[ ] Some weapons can roll twice and take the best
+[ ] Rome weapons can roll twice and take the worst
+[ ] When being hit a resistance roll based on armor and other stats is done
diff --git a/src/rand.s b/src/rand.s
index fc6007b..6cbd3d9 100644
--- a/src/rand.s
+++ b/src/rand.s
@@ -72,4 +72,14 @@ rand:
   ld a, [srand]
 
   ret
+  
+  ; rolls a d16
+  ; returns a number between
+  ; 0 and 15
+  ; returns:
+  ;   a: number of roll
+roll_d16:
+  call rand
+  and a, 0x0F
+  ret