From bfba6e75e94e40519b4e851ea2c3390a9aa508b6 Mon Sep 17 00:00:00 2001
From: David Haywood <mamehaze@users.noreply.github.com>
Date: Wed, 28 Oct 2015 22:22:51 +0000
Subject: [PATCH] (nw)

---
 src/devices/bus/vcs/dpcplus.c | 16 +++++++++++++++-
 src/devices/bus/vcs/dpcplus.h |  3 +++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/devices/bus/vcs/dpcplus.c b/src/devices/bus/vcs/dpcplus.c
index 64c274e31c3..16d72f1c316 100644
--- a/src/devices/bus/vcs/dpcplus.c
+++ b/src/devices/bus/vcs/dpcplus.c
@@ -56,9 +56,23 @@ void a26_rom_dpcplus_device::device_reset()
 	m_base_bank = 0;
 }
 
+READ32_MEMBER(a26_rom_dpcplus_device::armrom_r)
+{
+	UINT32 ret = (a26_rom_f8_device::read_rom(space, offset * 4 + 3) << 24) |
+   		         (a26_rom_f8_device::read_rom(space, offset * 4 + 2) << 16) |
+		         (a26_rom_f8_device::read_rom(space, offset * 4 + 1) << 8) |
+	             (a26_rom_f8_device::read_rom(space, offset * 4 + 0) << 0);
+	return ret;
+}
+
+WRITE32_MEMBER(a26_rom_dpcplus_device::armrom_w)
+{
+
+}
+
 static ADDRESS_MAP_START( dpcplus_arm7_map, AS_PROGRAM, 32, a26_rom_dpcplus_device )
 	// todo: implement all this correctly
-	//AM_RANGE(0x00000000, 0x00007fff) AM_ROM // flash, 32k
+	AM_RANGE(0x00000000, 0x00007fff) AM_READWRITE(armrom_r,armrom_w)// flash, 32k
 	AM_RANGE(0x40000000, 0x40001fff) AM_RAM // sram, 8k
 ADDRESS_MAP_END
 
diff --git a/src/devices/bus/vcs/dpcplus.h b/src/devices/bus/vcs/dpcplus.h
index 3d465bb8eb7..b8730dbf8aa 100644
--- a/src/devices/bus/vcs/dpcplus.h
+++ b/src/devices/bus/vcs/dpcplus.h
@@ -24,6 +24,9 @@ public:
 	virtual DECLARE_READ8_MEMBER(read_rom);
 	virtual DECLARE_WRITE8_MEMBER(write_bank);
 
+	DECLARE_READ32_MEMBER(armrom_r);
+	DECLARE_WRITE32_MEMBER(armrom_w);
+
 
 protected:
 };