From ba3b7d077f981511fa47799929d449134d461c21 Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 22 Jun 2025 07:47:19 +0200
Subject: [PATCH] unit: the player unit can now move in multiple directions on
 the same frame

---
 src/unit.s | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/unit.s b/src/unit.s
index 4b2420e..c9618ef 100644
--- a/src/unit.s
+++ b/src/unit.s
@@ -145,39 +145,51 @@ unit_generic_draw:
   ;   hl: action table 
   ;    a: remaining moves
 unit_handle_inputs:
+  ; push next state to the stack for now
+  ld bc, NULL
+  push bc
+
   input_held BTNUP
   jr z, @notup REL
 
     call unit_try_move_up
+
+    pop bc
     ld bc, st_unit_delay_to_active
-    ret
+    push bc
 @notup:
 
   input_held BTNDOWN
   jr z, @notdown REL
     
     call unit_try_move_down
+    
+    pop bc
     ld bc, st_unit_delay_to_active
-    ret
+    push bc
 @notdown:
 
   input_held BTNLEFT
   jr z, @notleft REL
 
     call unit_try_move_left
+
+    pop bc
     ld bc, st_unit_delay_to_active
-    ret
+    push bc
 @notleft:
 
   input_held BTNRIGHT
   jr z, @notright REL
 
     call unit_try_move_right
+
+    pop bc
     ld bc, st_unit_delay_to_active
-    ret
+    push bc
 @notright:
-
-  ldnull bc
+  
+  pop bc
   ret
 
   ; performs a generic collision test
-- 
2.30.2