From: Lukas Krickl <lukas@krickl.dev>
Date: Sat, 15 Nov 2025 17:09:19 +0000 (+0100)
Subject: debug: Added debug toggle inputs
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=b785dbcda1317bdd157887491b10095ed8c160bb;p=gbrg%2F.git

debug: Added debug toggle inputs
---

diff --git a/src/debug.s b/src/debug.s
index 18668a3..91d194a 100644
--- a/src/debug.s
+++ b/src/debug.s
@@ -6,5 +6,50 @@
 debug_update:
 	ld a, [debug_flags]
 	and a, DEBUG_F_ENABLE
+	jp z, @poll_toggle_debug
+	
+	; debug mode is anebled here
+	; TODO: implement debug code
+
+@poll_toggle_debug:
+	; debug mode can be enabled by pressing select 4 times in a 
+	; row as the only input
+	
+	; do nothing if no inputs were made this frame
+	ld a, [curr_inputs]
+	cp a, 0
+	ret z
+
+	; if curr inputs matches prev inputs
+	; also do nothing
+	ld b, a
+	ld a, [prev_inputs]
+	xor a, b
 	ret z
+
+	ld b, BTNSELECT
+	input_just
+	jr z, @reset_enable_counter REL
+	; if select was not the only button also reset
+	ld a, [curr_inputs]
+	and a, (~BTNSELECT) & 0xFF
+	jr nz, @reset_enable_counter REL
+	
+	; counter++
+	ld a, [debug_enable_count]
+	inc a
+	ld [debug_enable_count], a
+
+	; if counter is at 4 toggle DEBUG flag
+	cp a, 4
+	ret nz ; do nothing if 0
+
+	ld a, [debug_flags]
+	xor a, DEBUG_F_ENABLE
+	ld [debug_flags], a
+
+	; make sure to reset the counter :^)
+@reset_enable_counter:
+	xor a, a
+	ld [debug_enable_count], a
 	ret
diff --git a/src/wram.s b/src/wram.s
index d6ac19b..56e7588 100644
--- a/src/wram.s
+++ b/src/wram.s
@@ -45,6 +45,7 @@ game_flags: .adv 1
 
 	; debug control flags
 debug_flags: .adv 1
+debug_enable_count: .adv 1
 
 scroll_timer: .adv 1