From a50239be3ba5d76e27872667cbc27ee1b77632db Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Mon, 1 Jul 2019 20:11:45 -0700
Subject: [PATCH] GBA: Set up GPIO mapping on null and ELF ROM regions (fixes
 #1481)

---
 CHANGES       | 1 +
 src/gba/gba.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/CHANGES b/CHANGES
index c332c5594..dc7f0d3dd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -15,6 +15,7 @@ Other fixes:
  - mGUI: Fix crash if last loaded ROM directory disappears (fixes mgba.io/i/1466)
  - Libretro: Fix crash changing allowing opposing directions (hhromic)
  - Qt: Fix race conditions initializing GDB stub
+ - GBA: Set up GPIO mapping on null and ELF ROM regions (fixes mgba.io/i/1481)
 Misc:
  - Qt: Make mute menu option also toggle fast-forward mute (fixes mgba.io/i/1424)
  - Qt: Show error message if file failed to load
diff --git a/src/gba/gba.c b/src/gba/gba.c
index 05a5aa715..e6ddd05ac 100644
--- a/src/gba/gba.c
+++ b/src/gba/gba.c
@@ -325,6 +325,7 @@ bool GBALoadNull(struct GBA* gba) {
 	if (gba->cpu) {
 		gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
 	}
+	GBAHardwareInit(&gba->memory.hw, &((uint16_t*) gba->memory.rom)[GPIO_REG_DATA >> 1]);
 	return true;
 }