From 74b1003ab8abad2f8220de4f2f18a3b118f23f01 Mon Sep 17 00:00:00 2001
From: Miquel Sabaté Solà <mssola@mssola.com>
Date: Wed, 10 Dec 2025 14:41:35 +0100
Subject: Adapt the code to play well with nasm's asan
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The address sanitizer from nasm provides quite a few goodies, so let's
adapt the code more to it to benefit from those.

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
---
 src/title.s | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

(limited to 'src/title.s')

diff --git a/src/title.s b/src/title.s
index 01d58f5..e3a2086 100644
--- a/src/title.s
+++ b/src/title.s
@@ -18,13 +18,13 @@
 
         ;; Initialize the sprite that guides the player on the menu.
         lda #SPRITE_Y_POSITION0
-        sta $200
+        sta OAM::m_sprites
         lda #$30
-        sta $201
+        sta OAM::m_sprites + 1
         lda #$00
-        sta $202
+        sta OAM::m_sprites + 2
         lda #SPRITE_X_POSITION
-        sta $203
+        sta OAM::m_sprites + 3
 
         rts
     .endproc
@@ -42,9 +42,9 @@
         beq @check_down
 
         lda #SPRITE_Y_POSITION0
-        cmp $200
+        cmp OAM::m_sprites
         beq @end
-        sta $200
+        sta OAM::m_sprites
         jmp @set_timer_and_end
 
     @check_down:
@@ -53,9 +53,9 @@
         beq @check_select
 
         lda #SPRITE_Y_POSITION1
-        cmp $200
+        cmp OAM::m_sprites
         beq @end
-        sta $200
+        sta OAM::m_sprites
         jmp @set_timer_and_end
 
     @check_select:
@@ -72,14 +72,14 @@
 
     @do_select:
         lda #SPRITE_Y_POSITION0
-        cmp $200
+        cmp OAM::m_sprites
         beq @down
-        sta $200
+        sta OAM::m_sprites
         bne @set_timer_and_end
 
     @down:
         lda #SPRITE_Y_POSITION1
-        sta $200
+        sta OAM::m_sprites
 
     @set_timer_and_end:
         lda #TIMER_INIT_VALUE
@@ -94,7 +94,7 @@
     .proc start
         ;; Hide the sprite from the menu.
         lda #$EF
-        sta $200
+        sta OAM::m_sprites
 
         lda #1
         rts
-- 
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