From 81f90cf509ab736a50b2a2d276b85f05b61e24de Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Mon, 27 Mar 2023 20:47:27 +0200
Subject: [PATCH] M380: Add submapper 2.

---
 src/boards/380.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/boards/380.c b/src/boards/380.c
index 912e266..c2cfca4 100644
--- a/src/boards/380.c
+++ b/src/boards/380.c
@@ -26,6 +26,7 @@
 static uint16 latche;
 static uint8 dipswitch;
 static uint8 isKN35A;
+static uint8 is4K1;
 
 static SFORMAT StateRegs[] = {
    { &latche, 2 | FCEUSTATE_RLSB, "LATC" },
@@ -50,7 +51,7 @@ static void Sync(void)
       setprg16(0x8000, latche >> 2);
       setprg16(0xC000, (latche >> 2) | 7 | (isKN35A && latche &0x100? 8: 0));
    }
-   setmirror(((latche >> 1) & 1) ^ 1);
+   setmirror(latche &(is4K1? 0x040: 0x002)? MI_H: MI_V);
 }
 
 static DECLFR(M380Read)
@@ -91,6 +92,7 @@ static void StateRestore(int version)
 void Mapper380_Init(CartInfo *info)
 {
    isKN35A = info->iNES2 && info->submapper == 1;
+   is4K1 = info->iNES2 && info->submapper == 2;
    info->Power = M380Power;
    info->Reset = M380Reset;
    GameStateRestore = StateRestore;