From 05c584408cd2a7139d7b20cc6a7fee0c235dfb1d Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Wed, 16 Jan 2019 11:46:16 -0800
Subject: [PATCH] GB MBC: Fix MBC30 SRAM

---
 CHANGES      | 1 +
 src/gb/mbc.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index e40853b49..c61dc5761 100644
--- a/CHANGES
+++ b/CHANGES
@@ -136,6 +136,7 @@ Bugfixes:
  - Libretro: Fix adding codes with hooks
  - GBA: Fix GB Player features
  - Qt: Ensure FATAL logs reach log view
+ - GB MBC: Fix MBC30 SRAM
 Misc:
  - mGUI: Add SGB border configuration option
  - mGUI: Add support for different settings types
diff --git a/src/gb/mbc.c b/src/gb/mbc.c
index 65ba791e3..e87a2a36f 100644
--- a/src/gb/mbc.c
+++ b/src/gb/mbc.c
@@ -510,10 +510,10 @@ void _GBMBC3(struct GB* gb, uint16_t address, uint8_t value) {
 		GBMBCSwitchBank(gb, bank);
 		break;
 	case 0x2:
-		if (value < 4) {
+		if (value < 8) {
 			GBMBCSwitchSramBank(gb, value);
 			memory->rtcAccess = false;
-		} else if (value >= 8 && value <= 0xC) {
+		} else if (value <= 0xC) {
 			memory->activeRtcReg = value - 8;
 			memory->rtcAccess = true;
 		}