From 3817b6936da77ba6b3badc08a737e4a9e4d1db3d Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 21 Sep 2025 12:03:10 +0200
Subject: [PATCH] debug: Added debug functin switcher

---
 src/debug.s | 31 +++++++++++++++++++++++++++++++
 src/wram.s  |  2 ++
 2 files changed, 33 insertions(+)

diff --git a/src/debug.s b/src/debug.s
index 45fa789..558c5b9 100644
--- a/src/debug.s
+++ b/src/debug.s
@@ -1,6 +1,7 @@
 debug_routines:
 	dw dbg_nop
 	dw dbg_rect_draw
+debug_routines_end:
 
 dbg_nop:
 	ret
@@ -13,6 +14,31 @@ dbg_init:
 	; keys:
 	;		down + select: cycle next debug function 
 dbg_update:
+	ld a, [dbg_delay]
+	cp a, 0
+	jp nz, @debug_delay
+
+	; check if dbg swap to next function is needed
+	ld b, BTNDOWN | BTNSELECT
+	input_held
+	cp a, BTNDOWN | BTNSELECT
+	jr nz, @no_switch REL
+		; set a timer
+		ld a, 16
+		ld [dbg_delay], a
+
+		; next function
+		ld a, [dbg_fn]
+		inc a
+		
+		; loop around if > max functions
+		cp a, (debug_routines_end - debug_routines) / 2
+		jr nz, @no_reset REL
+			xor a, a
+@no_reset:
+		ld [dbg_fn], a
+@no_switch:
+
 	ld a, [dbg_fn]
 	add a, a ; * 2 for table offset
 	
@@ -28,6 +54,11 @@ dbg_update:
 	ld l, d 
 
 	jp hl
+@debug_delay:
+	
+	dec a
+	ld [dbg_delay], a
+	ret
 	
 	; draws a marker obj at 
 	; the edge of a rectangle
diff --git a/src/wram.s b/src/wram.s
index 6c4f9f2..5c054d1 100644
--- a/src/wram.s
+++ b/src/wram.s
@@ -88,3 +88,5 @@ dbg_fn: .adv 1
 
 	; selected debug rect
 dbg_rect: .adv 2
+
+dbg_delay: .adv 1
-- 
2.30.2