From f09ce6985d998db712a3a9bb2fb599ef24b45c01 Mon Sep 17 00:00:00 2001
From: DiscoStarslayer <disco@disco.camp>
Date: Mon, 13 Nov 2023 10:44:37 -0500
Subject: [PATCH] Configure memory like PSX

---
 pcsx2/Memory.cpp    | 2 +-
 pcsx2/MemoryTypes.h | 8 ++++----
 pcsx2/System.h      | 8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/pcsx2/Memory.cpp b/pcsx2/Memory.cpp
index 89fb669100415..7628242f1ef70 100644
--- a/pcsx2/Memory.cpp
+++ b/pcsx2/Memory.cpp
@@ -146,7 +146,7 @@ void memMapPhy()
 	// Main memory
 	vtlb_MapBlock(eeMem->Main,	0x00000000,Ps2MemSize::MainRam);//mirrored on first 256 mb ?
 	// High memory, uninstalled on the configuration we emulate
-	vtlb_MapHandler(null_handler, Ps2MemSize::MainRam, 0x10000000 - Ps2MemSize::MainRam);
+	vtlb_MapBlock(eeMem->ExtraMemory, Ps2MemSize::ExtraRam, Ps2MemSize::ExtraRam);
 
 	// Various ROMs (all read-only)
 	vtlb_MapBlock(eeMem->ROM,	0x1fc00000, Ps2MemSize::Rom);
diff --git a/pcsx2/MemoryTypes.h b/pcsx2/MemoryTypes.h
index 1876a0de2f1de..fd0136790c305 100644
--- a/pcsx2/MemoryTypes.h
+++ b/pcsx2/MemoryTypes.h
@@ -18,15 +18,15 @@
 
 namespace Ps2MemSize
 {
-	static constexpr u32 MainRam = _64mb;      // 32 MB main memory.
-	static constexpr u32 ExtraRam = _1mb * 96; // 32+96 MB devkit memory.
+	static constexpr u32 MainRam = _32mb;      // 32 MB main memory.
+	static constexpr u32 ExtraRam = _32mb;     // 32+32 MB psx memory.
 	static constexpr u32 Rom = _1mb * 4;       // 4 MB main rom
 	static constexpr u32 Rom1 = _1mb * 4;      // DVD player
 	static constexpr u32 Rom2 = 0x00080000;    // Chinese rom extension
 	static constexpr u32 Hardware = _64kb;
 	static constexpr u32 Scratch = _16kb;
 
-	static constexpr u32 IopRam = _1mb * 8;	   // 8MB main ram on the IOP.
+	static constexpr u32 IopRam = _1mb * 8;	   // 8MB main ram on the PSX IOP.
 	static constexpr u32 IopHardware = _64kb;
 
 	static const uint GSregs = 0x00002000;			// 8k for the GS registers and stuff.
@@ -58,7 +58,7 @@ struct EEVM_MemoryAllocMess
 
 struct IopVM_MemoryAllocMess
 {
-	u8 Main[Ps2MemSize::IopRam]; // Main memory (hard-wired to 2MB)
+	u8 Main[Ps2MemSize::IopRam]; // Main memory (hard-wired to 8MB)
 	u8 P[_64kb];                 // I really have no idea what this is... --air
 	u8 Sif[0x100];               // a few special SIF/SBUS registers (likely not needed)
 };
diff --git a/pcsx2/System.h b/pcsx2/System.h
index 8a42290f38b2d..419db523620c1 100644
--- a/pcsx2/System.h
+++ b/pcsx2/System.h
@@ -35,13 +35,13 @@ namespace HostMemoryMap
 	// Main
 	//////////////////////////////////////////////////////////////////////////
 
-	// PS2 main memory, SPR, and ROMs (approximately 138.5MB, but we round up to 139MB for simplicity).
+	// PS2 main memory, SPR, and ROMs (approximately 74.5MB, but we round up to 75MB for simplicity).
 	static constexpr u32 EEmemOffset = 0x00000000;
-	static constexpr u32 EEmemSize = 0x8B00000;
+	static constexpr u32 EEmemSize = 0x4B00000;
 
-	// IOP main memory (2MB + 64K + 256b, rounded up to 3MB for simplicity).
+	// IOP main memory (8MB + 64K + 256b, rounded up to 9MB for simplicity).
 	static constexpr u32 IOPmemOffset = EEmemOffset + EEmemSize;
-	static constexpr u32 IOPmemSize = 0x300000;
+	static constexpr u32 IOPmemSize = 0x900000;
 
 	// VU0 and VU1 memory (40KB, rounded up to 1MB for simplicity).
 	static constexpr u32 VUmemOffset = IOPmemOffset + IOPmemSize;