From b779e7dc3d44f7b9d90aeeee91ed36cf57d65e95 Mon Sep 17 00:00:00 2001
From: Miquel Sabaté Solà <mssola@mssola.com>
Date: Tue, 24 Mar 2026 00:34:26 +0100
Subject: Use the 'nmi_' prefix for NMI-only functions
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Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
---
 src/background.s | 4 +---
 src/driver.s     | 8 ++------
 src/interrupts.s | 6 +++---
 src/over.s       | 6 +++---
 4 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/src/background.s b/src/background.s
index 369def9..c843063 100644
--- a/src/background.s
+++ b/src/background.s
@@ -109,9 +109,7 @@
         .byte $FF
 
     ;; Clear out the shuttle from the background.
-    ;;
-    ;; NOTE: this should only be called from NMI code.
-    .proc clear_shuttle
+    .proc nmi_clear_shuttle
         ;; The low part of the rocket.
         bit PPU::m_status
         ldx #$2B
diff --git a/src/driver.s b/src/driver.s
index 3372f9a..8e26fbe 100644
--- a/src/driver.s
+++ b/src/driver.s
@@ -908,9 +908,7 @@
     .endproc
 
     ;; Toggle the "Paused" message from the (not quite) HUD.
-    ;;
-    ;; NOTE: only call this function from NMI code.
-    .proc hud_toggle_pause
+    .proc nmi_hud_toggle_pause
         ;; Unset the 'P' flag.
         lda Driver::zp_flags
         and #%10111111
@@ -964,9 +962,7 @@
     ;; This function expects the 'Globals::zp_nmi_reserved' to be set with the
     ;; addition to be performed on each base character in order to set the
     ;; proper animation phase (i.e. either "#$00" or "#$70").
-    ;;
-    ;; NOTE: only call this function from NMI code.
-    .proc blink_player_selection
+    .proc nmi_blink_player_selection
         bit PPU::m_status
 
         ;; Which player are we talking about?
diff --git a/src/interrupts.s b/src/interrupts.s
index 6c7e75b..9c2cb45 100644
--- a/src/interrupts.s
+++ b/src/interrupts.s
@@ -30,7 +30,7 @@
     ;; Toggle pause message from the HUD.
     bit Driver::zp_flags
     bvc @increase_rand
-    jsr Driver::hud_toggle_pause
+    jsr Driver::nmi_hud_toggle_pause
 
 @increase_rand:
     ;; Increase the random seed.
@@ -56,7 +56,7 @@
     lda #$70
 @set_blinking:
     sta Globals::zp_nmi_reserved
-    jsr Driver::blink_player_selection
+    jsr Driver::nmi_blink_player_selection
 
 @update_lifes:
     ;; Do we need to update the lifes from players on the HUD?
@@ -109,7 +109,7 @@
     ;; the usual route.
     lda Items::zp_collected
     bne @do_update_shuttle
-    jsr Background::clear_shuttle
+    jsr Background::nmi_clear_shuttle
     jmp @unset_shuttle_flag
 @do_update_shuttle:
     jsr Items::update_shuttle
diff --git a/src/over.s b/src/over.s
index ab13d76..6ec4745 100644
--- a/src/over.s
+++ b/src/over.s
@@ -67,7 +67,7 @@
         rts
 
     @do_render:
-        jsr Over::clear_out_screen
+        jsr Over::nmi_clear_out_screen
         lda Globals::zp_flags
         and #$03
         cmp #2
@@ -97,7 +97,7 @@
     .endproc
 
     ;; Remove all platforms and the ground.
-    .proc clear_out_screen
+    .proc nmi_clear_out_screen
         ;; Remove left platform.
         bit PPU::m_status
         ldx #$29
@@ -153,7 +153,7 @@
         bne @clear_ground_loop
 
         ;; Clear the shuttle from the background.
-        jsr Background::clear_shuttle
+        jsr Background::nmi_clear_shuttle
 
         rts
     .endproc
-- 
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