1 files changed, 88 insertions, 0 deletions
diff --git a/Source/Core/DSPCore/Src/DSPMemoryMap.cpp b/Source/Core/DSPCore/Src/DSPMemoryMap.cpp
new file mode 100644
index 0000000000..ac772fec63
--- /dev/null
+++ b/Source/Core/DSPCore/Src/DSPMemoryMap.cpp
@@ -0,0 +1,88 @@
+/*====================================================================
+
+   filename:     gdsp_memory.cpp
+   project:      GCemu
+   created:      2004-6-18
+   mail:		  duddie@walla.com
+
+   Copyright (c) 2005 Duddie & Tratax
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+   ====================================================================*/
+
+#include <stdio.h>
+
+#include "gdsp_interpreter.h"
+#include "gdsp_interface.h"
+
+#include "DSPMemoryMap.h"
+#include "DSPCore.h"
+
+u16 dsp_imem_read(u16 addr)
+{
+	switch (addr >> 12)
+	{
+	case 0:   // 0xxx IRAM
+		return g_dsp.iram[addr & DSP_IRAM_MASK];
+	case 8:   // 8xxx IROM - contains code to receive code for IRAM, and a bunch of mixing loops.
+		return g_dsp.irom[addr & DSP_IROM_MASK];
+	default:  // Unmapped/non-existing memory
+		ERROR_LOG(DSPLLE, "%04x DSP ERROR: Executing from invalid (%04x) memory", g_dsp.pc, addr);
+		return 0;
+	}
+}
+
+u16 dsp_dmem_read(u16 addr)
+{
+	switch (addr >> 12)
+	{
+	case 0x0:  // 0xxx DRAM
+		return g_dsp.dram[addr & DSP_DRAM_MASK];
+		
+	case 0x1:  // 1xxx COEF
+		// DEBUG_LOG(DSPLLE, "%04x : Coef Read @ %04x", g_dsp.pc, addr);
+		return g_dsp.coef[addr & DSP_COEF_MASK];
+
+	case 0xf:  // Fxxx HW regs
+		return gdsp_ifx_read(addr);
+		
+	default:   // Unmapped/non-existing memory
+		ERROR_LOG(DSPLLE, "%04x DSP ERROR: Read from UNKNOWN (%04x) memory", g_dsp.pc, addr);
+		return 0;
+	}
+}
+
+void dsp_dmem_write(u16 addr, u16 val)
+{
+	switch (addr >> 12)
+	{
+	case 0x0: // 0xxx DRAM
+		g_dsp.dram[addr & DSP_DRAM_MASK] = val;
+		break;
+
+	case 0x1: // 1xxx COEF
+		ERROR_LOG(DSPLLE, "Illegal write to COEF (pc = %02x)", g_dsp.pc);
+		break;
+
+	case 0xf: // Fxxx HW regs
+		gdsp_ifx_write(addr, val);
+		break;
+
+	default:  // Unmapped/non-existing memory
+		ERROR_LOG(DSPLLE, "%04x DSP ERROR: Write to UNKNOWN (%04x) memory", g_dsp.pc, addr);
+		break;
+	}
+}