diff --git a/rpcs3/Emu/Cell/Modules/sys_lv2dbg.cpp b/rpcs3/Emu/Cell/Modules/sys_lv2dbg.cpp
index 57a950cfc2..c461ad1364 100644
--- a/rpcs3/Emu/Cell/Modules/sys_lv2dbg.cpp
+++ b/rpcs3/Emu/Cell/Modules/sys_lv2dbg.cpp
@@ -7,6 +7,66 @@
 
 logs::channel sys_lv2dbg("sys_lv2dbg");
 
+template <>
+void fmt_class_string<CellLv2DbgError>::format(std::string& out, u64 arg)
+{
+	format_enum(out, arg, [](CellLv2DbgError value)
+	{
+		switch (value)
+		{
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDPROCESSID);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDTHREADID);
+		STR_CASE(CELL_LV2DBG_ERROR_DEILLEGALREGISTERTYPE);
+		STR_CASE(CELL_LV2DBG_ERROR_DEILLEGALREGISTERNUMBER);
+		STR_CASE(CELL_LV2DBG_ERROR_DEILLEGALTHREADSTATE);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDEFFECTIVEADDRESS);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOTFOUNDPROCESSID);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOMEM);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDARGUMENTS);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOTFOUNDFILE);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDFILETYPE);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOTFOUNDTHREADID);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDTHREADSTATUS);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOAVAILABLEPROCESSID);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOTFOUNDEVENTHANDLER);
+		STR_CASE(CELL_LV2DBG_ERROR_DESPNOROOM);
+		STR_CASE(CELL_LV2DBG_ERROR_DESPNOTFOUND);
+		STR_CASE(CELL_LV2DBG_ERROR_DESPINPROCESS);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDPRIMARYSPUTHREADID);
+		STR_CASE(CELL_LV2DBG_ERROR_DETHREADSTATEISNOTSTOPPED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDTHREADTYPE);
+		STR_CASE(CELL_LV2DBG_ERROR_DECONTINUEFAILED);
+		STR_CASE(CELL_LV2DBG_ERROR_DESTOPFAILED);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOEXCEPTION);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOMOREEVENTQUE);
+		STR_CASE(CELL_LV2DBG_ERROR_DEEVENTQUENOTCREATED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEEVENTQUEOVERFLOWED);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOTIMPLEMENTED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEQUENOTREGISTERED);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOMOREEVENTPROCESS);
+		STR_CASE(CELL_LV2DBG_ERROR_DEPROCESSNOTREGISTERED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEEVENTDISCARDED);
+		STR_CASE(CELL_LV2DBG_ERROR_DENOMORESYNCID);
+		STR_CASE(CELL_LV2DBG_ERROR_DESYNCIDALREADYADDED);
+		STR_CASE(CELL_LV2DBG_ERROR_DESYNCIDNOTFOUND);
+		STR_CASE(CELL_LV2DBG_ERROR_DESYNCIDNOTACQUIRED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEPROCESSALREADYREGISTERED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDLSADDRESS);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDOPERATION);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDMODULEID);
+		STR_CASE(CELL_LV2DBG_ERROR_DEHANDLERALREADYREGISTERED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEINVALIDHANDLER);
+		STR_CASE(CELL_LV2DBG_ERROR_DEHANDLENOTREGISTERED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEOPERATIONDENIED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEHANDLERNOTINITIALIZED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEHANDLERALREADYINITIALIZED);
+		STR_CASE(CELL_LV2DBG_ERROR_DEILLEGALCOREDUMPPARAMETER);
+		}
+
+		return unknown;
+	});
+}
+
 s32 sys_dbg_read_ppu_thread_context(u64 id, vm::ptr<sys_dbg_ppu_thread_context_t> ppu_context)
 {
 	fmt::throw_exception("Unimplemented" HERE);
diff --git a/rpcs3/Emu/Cell/Modules/sys_lv2dbg.h b/rpcs3/Emu/Cell/Modules/sys_lv2dbg.h
index 38a357790c..c903f4db3e 100644
--- a/rpcs3/Emu/Cell/Modules/sys_lv2dbg.h
+++ b/rpcs3/Emu/Cell/Modules/sys_lv2dbg.h
@@ -12,7 +12,7 @@
 
 
 // Error Codes
-enum
+enum CellLv2DbgError : u32
 {
 	CELL_LV2DBG_ERROR_DEINVALIDPROCESSID = 0x80010401,
 	CELL_LV2DBG_ERROR_DEINVALIDTHREADID = 0x80010402,
diff --git a/rpcs3/Emu/Cell/lv2/lv2.cpp b/rpcs3/Emu/Cell/lv2/lv2.cpp
index cd0799f5d9..d0cc4982a8 100644
--- a/rpcs3/Emu/Cell/lv2/lv2.cpp
+++ b/rpcs3/Emu/Cell/lv2/lv2.cpp
@@ -790,8 +790,8 @@ const std::array<ppu_function_t, 1024> s_ppu_syscall_table
 	null_func,//BIND_FUNC(sys_dbg_continue_processes)       //901 (0x385)
 	null_func,//BIND_FUNC(sys_dbg_stop_threads)             //902 (0x386)
 	null_func,//BIND_FUNC(sys_dbg_continue_threads)         //903 (0x387)
-	null_func,//BIND_FUNC(sys_dbg_read_process_memory)      //904 (0x388)
-	null_func,//BIND_FUNC(sys_dbg_write_process_memory)     //905 (0x389)
+	BIND_FUNC(sys_dbg_read_process_memory),					//904 (0x388)
+	BIND_FUNC(sys_dbg_write_process_memory),				//905 (0x389)
 	null_func,//BIND_FUNC(sys_dbg_read_thread_register)     //906 (0x38A)
 	null_func,//BIND_FUNC(sys_dbg_write_thread_register)    //907 (0x38B)
 	null_func,//BIND_FUNC(sys_dbg_get_process_list)         //908 (0x38C)
diff --git a/rpcs3/Emu/Cell/lv2/sys_dbg.cpp b/rpcs3/Emu/Cell/lv2/sys_dbg.cpp
index a89978ccc3..cbe0320d56 100644
--- a/rpcs3/Emu/Cell/lv2/sys_dbg.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_dbg.cpp
@@ -1,11 +1,70 @@
 #include "stdafx.h"
-#include "Emu/Memory/Memory.h"
-#include "Emu/System.h"
-#include "Emu/IdManager.h"
 
 #include "Emu/Cell/ErrorCodes.h"
+#include "Emu/Memory/Memory.h"
 #include "sys_dbg.h"
-
-
+#include "Emu/Cell/Modules/sys_lv2dbg.h"
 
 logs::channel sys_dbg("sys_dbg");
+
+error_code sys_dbg_read_process_memory(s32 pid, u32 address, u32 size, vm::ptr<void> data)
+{
+	sys_dbg.warning("sys_dbg_read_process_memory(pid=0x%x, address=0x%llx, size=0x%x, data=*0x%x)", pid, address, size, data);
+
+	// Todo(TGEnigma): Process lookup (only 1 process exists right now)
+	if (pid != 1)
+	{
+		return CELL_LV2DBG_ERROR_DEINVALIDARGUMENTS;
+	}
+
+	if (!vm::check_addr(address, size))
+	{
+		return CELL_EFAULT;
+	}
+
+	if (!size || !data)
+	{
+		return CELL_LV2DBG_ERROR_DEINVALIDARGUMENTS;
+	}
+
+	// Check if data destination is writable
+	if (!vm::check_addr(data.addr(), size, vm::page_writable))
+	{
+		return CELL_EFAULT;
+	}
+
+	std::memcpy(data.get_ptr(), vm::get_super_ptr<u8>(address, size).get(), size);
+
+	return CELL_OK;
+}
+
+error_code sys_dbg_write_process_memory(s32 pid, u32 address, u32 size, vm::cptr<void> data)
+{
+	sys_dbg.warning("sys_dbg_write_process_memory(pid=0x%x, address=0x%llx, size=0x%x, data=*0x%x)", pid, address, size, data);
+
+	// Todo(TGEnigma): Process lookup (only 1 process exists right now)
+	if (pid != 1)
+	{
+		return CELL_LV2DBG_ERROR_DEINVALIDARGUMENTS;
+	}
+
+	if (!vm::check_addr(address, size))
+	{
+		return CELL_EFAULT;
+	}
+
+	if (!size || !data)
+	{
+		return CELL_LV2DBG_ERROR_DEINVALIDARGUMENTS;
+	}
+
+	// Check if data source is readable
+	if (!vm::check_addr(data.addr(), size, vm::page_readable))
+	{
+		return CELL_EFAULT;
+	}
+
+	std::memcpy(vm::get_super_ptr<u8>(address, size).get(), data.get_ptr(), size);
+
+	return CELL_OK;
+}
diff --git a/rpcs3/Emu/Cell/lv2/sys_dbg.h b/rpcs3/Emu/Cell/lv2/sys_dbg.h
index 6f70f09bee..0fec0b828a 100644
--- a/rpcs3/Emu/Cell/lv2/sys_dbg.h
+++ b/rpcs3/Emu/Cell/lv2/sys_dbg.h
@@ -1 +1,6 @@
 #pragma once
+
+// Syscalls
+
+error_code sys_dbg_read_process_memory(s32 pid, u32 address, u32 size, vm::ptr<void> data);
+error_code sys_dbg_write_process_memory(s32 pid, u32 address, u32 size, vm::cptr<void> data);