More libultra function implementations, euc-jp decoding for print output, improved build times for output project

recomp.h

@@ -182,10 +182,10 @@ void do_break(uint32_t vram);
 
 typedef void (recomp_func_t)(uint8_t* restrict rdram, recomp_context* restrict ctx);
 
-recomp_func_t* get_function(uint32_t vram);
+recomp_func_t* get_function(int32_t vram);
 
 #define LOOKUP_FUNC(val) \
-    get_function(val)
+    get_function((int32_t)(val))
 
 // For the Mario Party games (not working)
 //// This has to be in this file so it can be inlined

sections.h

@@ -2,11 +2,12 @@
 #define __SECTIONS_H__
 
 #include <stdint.h>
+#include "recomp.h"
 
 #define ARRLEN(x) (sizeof(x) / sizeof((x)[0]))
 
 typedef struct {
-    void* func;
+    recomp_func_t* func;
     uint32_t offset;
 } FuncEntry;
 

src/main.cpp

@@ -17,12 +17,14 @@ std::unordered_set<std::string> reimplemented_funcs{
     // OS initialize functions
     "__osInitialize_common",
     "osInitialize",
+    "osGetMemSize",
     // Audio interface functions
     "osAiGetLength",
     "osAiGetStatus",
     "osAiSetFrequency",
     "osAiSetNextBuffer",
     // Video interface functions
+    "osViSetXScale",
     "osViSetYScale",
     "osCreateViManager",
     "osViBlack",
@@ -44,6 +46,8 @@ std::unordered_set<std::string> reimplemented_funcs{
     "osContInit",
     "osContStartReadData",
     "osContGetReadData",
+    "osContStartQuery",
+    "osContGetQuery",
     "osContSetCh",
     // EEPROM functions
     "osEepromProbe",
@@ -56,6 +60,14 @@ std::unordered_set<std::string> reimplemented_funcs{
     "osMotorInit",
     "osMotorStart",
     "osMotorStop",
+    // PFS functions
+    "osPfsInitPak",
+    "osPfsFreeBlocks",
+    "osPfsAllocateFile",
+    "osPfsDeleteFile",
+    "osPfsFileState",
+    "osPfsFindFile",
+    "osPfsReadWriteFile",
     // Parallel interface (cartridge, DMA, etc.) functions
     "osCartRomInit",
     "osCreatePiManager",
@@ -63,6 +75,7 @@ std::unordered_set<std::string> reimplemented_funcs{
     "osEPiStartDma",
     "osPiGetStatus",
     "osEPiRawStartDma",
+    "osEPiReadIo",
     // Threading functions
     "osCreateThread",
     "osStartThread",
@@ -79,6 +92,8 @@ std::unordered_set<std::string> reimplemented_funcs{
     "osSetEventMesg",
     // Timer functions
     "osGetTime",
+    "osSetTimer",
+    "osStopTimer",
     // interrupt functions
     "osSetIntMask",
     "__osDisableInt",
@@ -94,6 +109,7 @@ std::unordered_set<std::string> reimplemented_funcs{
     "osWritebackDCache",
     "osWritebackDCacheAll",
     // Debug functions
+    "is_proutSyncPrintf",
     "__checkHardware_msp",
     "__checkHardware_kmc",
     "__checkHardware_isv",
@@ -119,6 +135,7 @@ std::unordered_set<std::string> ignored_funcs {
     "__createSpeedParam",
     "__osInitialize_common",
     "osInitialize",
+    "osGetMemSize",
     // Audio interface functions
     "osAiGetLength",
     "osAiGetStatus",
@@ -615,26 +632,74 @@ bool read_symbols(RecompPort::Context& context, const ELFIO::elfio& elf_file, EL
     return found_entrypoint_func;
 }
 
+struct SegmentEntry {
+    ELFIO::Elf64_Off data_offset;
+    ELFIO::Elf64_Addr physical_address;
+    ELFIO::Elf_Xword memory_size;
+};
+
 ELFIO::section* read_sections(RecompPort::Context& context, const ELFIO::elfio& elf_file) {
     ELFIO::section* symtab_section = nullptr;
+    std::vector<SegmentEntry> segments{};
+    segments.resize(elf_file.segments.size());
+
+    // Copy the data for each segment into the segment entry list
+    for (size_t segment_index = 0; segment_index < elf_file.segments.size(); segment_index++) {
+        const auto& segment = *elf_file.segments[segment_index];
+        segments[segment_index].data_offset = segment.get_offset();
+        segments[segment_index].physical_address = segment.get_physical_address();
+        segments[segment_index].memory_size = segment.get_memory_size();
+    }
+
+    // Sort the segments by physical address
+    std::sort(segments.begin(), segments.end(),
+        [](const SegmentEntry& lhs, const SegmentEntry& rhs) {
+            return lhs.data_offset < rhs.data_offset;
+        }
+    );
+
     // Iterate over every section to record rom addresses and find the symbol table
     fmt::print("Sections\n");
-    for (const std::unique_ptr<ELFIO::section>& section : elf_file.sections) {
+    for (const auto& section : elf_file.sections) {
         auto& section_out = context.sections[section->get_index()];
         //fmt::print("  {}: {} @ 0x{:08X}, 0x{:08X}\n", section->get_index(), section->get_name(), section->get_address(), context.rom.size());
         // Set the rom address of this section to the current accumulated ROM size
-        section_out.rom_addr = context.rom.size();
         section_out.ram_addr = section->get_address();
         section_out.size = section->get_size();
-        // If this section isn't bss (SHT_NOBITS) and ends up in the rom (SHF_ALLOC), copy this section into the rom
+
+        // If this section isn't bss (SHT_NOBITS) and ends up in the rom (SHF_ALLOC), 
+        // find this section's rom address and copy it into the rom
         if (section->get_type() != ELFIO::SHT_NOBITS && section->get_flags() & ELFIO::SHF_ALLOC) {
-            size_t cur_rom_size = context.rom.size();
+            // Find the segment this section is in to determine the physical (rom) address of the section
-            context.rom.resize(context.rom.size() + section->get_size());
+            auto segment_it = std::upper_bound(segments.begin(), segments.end(), section->get_offset(),
-            std::copy(section->get_data(), section->get_data() + section->get_size(), &context.rom[cur_rom_size]);
+                [](ELFIO::Elf64_Off section_offset, const SegmentEntry& segment) {
+                    return section_offset < segment.data_offset;
                 }
-        // Check if this section is the symbol table and record it if so
+            );
-        if (section->get_type() == ELFIO::SHT_SYMTAB) {
+            if (segment_it == segments.begin()) {
-            symtab_section = section.get();
+                fmt::print(stderr, "Could not find segment that section {} belongs to!\n", section->get_name().c_str());
+                return nullptr;
+            }
+            // Upper bound returns the iterator after the element we're looking for, so rewind by one
+            // This is safe because we checked if segment_it was segments.begin() already, which is the minimum value it could be
+            const SegmentEntry& segment = *(segment_it - 1);
+            // Check to be sure that the section is actually in this segment
+            if (section->get_offset() >= segment.data_offset + segment.memory_size) {
+                fmt::print(stderr, "Section {} out of range of segment at offset 0x{:08X}\n", section->get_name().c_str(), segment.data_offset);
+                return nullptr;
+            }
+            // Calculate the rom address based on this section's offset into the segment and the segment's rom address
+            section_out.rom_addr = segment.physical_address + (section->get_offset() - segment.data_offset);
+            // Resize the output rom if needed to fit this section
+            size_t required_rom_size = section_out.rom_addr + section_out.size;
+            if (required_rom_size > context.rom.size()) {
+                context.rom.resize(required_rom_size);
+            }
+            // Copy this section's data into the rom
+            std::copy(section->get_data(), section->get_data() + section->get_size(), &context.rom[section_out.rom_addr]);
+        } else {
+            // Otherwise mark this section as having an invalid rom address
+            section_out.rom_addr = (ELFIO::Elf_Xword)-1;
         }
         // Check if this section is marked as executable, which means it has code in it
         if (section->get_flags() & ELFIO::SHF_EXECINSTR) {
@@ -643,6 +708,13 @@ ELFIO::section* read_sections(RecompPort::Context& context, const ELFIO::elfio&
         }
         section_out.name = section->get_name();
     }
+    // Find the symbol table
+    for (const auto& section : elf_file.sections) {
+        // Check if this section is the symbol table and record it if so
+        if (section->get_type() == ELFIO::SHT_SYMTAB) {
+            symtab_section = section.get();
+        }
+    }
     return symtab_section;
 }
 
@@ -735,15 +807,15 @@ int main(int argc, char** argv) {
 
     fmt::print("Function count: {}\n", context.functions.size());
 
-    std::ofstream func_lookup_file{ "test/funcs/lookup.cpp" };
+    std::ofstream lookup_file{ "test/funcs/lookup.cpp" };
     std::ofstream func_header_file{ "test/funcs/funcs.h" };
 
-    fmt::print(func_lookup_file,
+    fmt::print(lookup_file,
-        "#include <utility>\n"
+        //"#include <utility>\n"
         "#include \"recomp.h\"\n"
-        "#include \"funcs.h\"\n"
+        //"#include \"funcs.h\"\n"
         "\n"
-        "std::pair<uint32_t, recomp_func_t*> funcs[] {{\n"
+        //"std::pair<uint32_t, recomp_func_t*> funcs[] {{\n"
     );
 
     fmt::print(func_header_file,
@@ -766,18 +838,18 @@ int main(int argc, char** argv) {
         if (!func.ignored && func.words.size() != 0) {
             fmt::print(func_header_file,
                 "void {}(uint8_t* restrict rdram, recomp_context* restrict ctx);\n", func.name);
-            fmt::print(func_lookup_file,
+            //fmt::print(lookup_file,
-                "    {{ 0x{:08X}u, {} }},\n", func.vram, func.name);
+            //    "    {{ 0x{:08X}u, {} }},\n", func.vram, func.name);
             if (RecompPort::recompile_function(context, func, output_dir + "ignore.txt"/*func.name + ".c"*/, static_funcs_by_section) == false) {
-                func_lookup_file.clear();
+                //lookup_file.clear();
                 fmt::print(stderr, "Error recompiling {}\n", func.name);
                 std::exit(EXIT_FAILURE);
             }
         } else if (func.reimplemented) {
             fmt::print(func_header_file,
                        "void {}(uint8_t* restrict rdram, recomp_context* restrict ctx);\n", func.name);
-            fmt::print(func_lookup_file,
+            //fmt::print(lookup_file,
-                       "    {{ 0x{:08X}u, {} }},\n", func.vram, func.name);
+            //           "    {{ 0x{:08X}u, {} }},\n", func.vram, func.name);
         }
     }
 
@@ -832,20 +904,20 @@ int main(int argc, char** argv) {
 
             fmt::print(func_header_file,
                        "void {}(uint8_t* restrict rdram, recomp_context* restrict ctx);\n", func.name);
-            fmt::print(func_lookup_file,
+            //fmt::print(lookup_file,
-                       "    {{ 0x{:08X}u, {} }},\n", func.vram, func.name);
+            //           "    {{ 0x{:08X}u, {} }},\n", func.vram, func.name);
             if (RecompPort::recompile_function(context, func, output_dir + func.name + ".c", static_funcs_by_section) == false) {
-                func_lookup_file.clear();
+                //lookup_file.clear();
                 fmt::print(stderr, "Error recompiling {}\n", func.name);
                 std::exit(EXIT_FAILURE);
             }
         }
     }
 
-    fmt::print(func_lookup_file,
+    fmt::print(lookup_file,
-        "}};\n"
+        //"}};\n"
-        "extern const size_t num_funcs = sizeof(funcs) / sizeof(funcs[0]);\n"
+        //"extern const size_t num_funcs = sizeof(funcs) / sizeof(funcs[0]);\n"
-        "\n"
+        //"\n"
         "gpr get_entrypoint_address() {{ return (gpr)(int32_t)0x{:08X}u; }}\n"
         "\n"
         "const char* get_rom_name() {{ return \"{}\"; }}\n"
@@ -862,8 +934,8 @@ int main(int argc, char** argv) {
     );
 
     {
-        std::ofstream overlay_file(output_dir + "recomp_overlays.c");
+        std::ofstream overlay_file(output_dir + "recomp_overlays.inl");
-        std::string section_load_table = "SectionTableEntry sections[] = {\n";
+        std::string section_load_table = "static SectionTableEntry section_table[] = {\n";
 
         fmt::print(overlay_file, 
             "#include \"recomp.h\"\n"
@@ -888,7 +960,7 @@ int main(int argc, char** argv) {
                 section_load_table += fmt::format("    {{ .rom_addr = 0x{0:08X}, .ram_addr = 0x{1:08X}, .size = 0x{2:08X}, .funcs = {3}, .num_funcs = ARRLEN({3}) }},\n",
                                                   section.rom_addr, section.ram_addr, section.size, section_funcs_array_name);
 
-                fmt::print(overlay_file, "FuncEntry {}[] = {{\n", section_funcs_array_name);
+                fmt::print(overlay_file, "static FuncEntry {}[] = {{\n", section_funcs_array_name);
 
                 for (size_t func_index : section_funcs) {
                     const auto& func = context.functions[func_index];

test/RecompFuncs/RecompFuncs.vcxproj

@@ -0,0 +1,178 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{d080900b-5c12-45fc-941b-515a5fea7594}</ProjectGuid>
+    <RootNamespace>RecompFuncs</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level1</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <PrecompiledHeaderFile>
+      </PrecompiledHeaderFile>
+      <AdditionalIncludeDirectories>$(SolutionDir)..</AdditionalIncludeDirectories>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>
+      </SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level1</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <PrecompiledHeaderFile>
+      </PrecompiledHeaderFile>
+      <AdditionalIncludeDirectories>$(SolutionDir)..</AdditionalIncludeDirectories>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>
+      </SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level1</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <AdditionalOptions>
+      </AdditionalOptions>
+      <AdditionalIncludeDirectories>$(SolutionDir)..</AdditionalIncludeDirectories>
+      <PrecompiledHeaderFile />
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>
+      </SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level1</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <AdditionalOptions>
+      </AdditionalOptions>
+      <AdditionalIncludeDirectories>$(SolutionDir)..</AdditionalIncludeDirectories>
+      <PrecompiledHeaderFile />
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>
+      </SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\recomp.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="test.cpp" />
+    <_WildCardClCompile Include="..\funcs\*.c" />
+    <ClCompile Include="@(_WildCardClCompile)" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

test/RecompTest.sln

@@ -4,6 +4,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 VisualStudioVersion = 16.0.32929.386
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RecompTest", "RecompTest.vcxproj", "{73819ED8-8A5B-4554-B3F3-60257A43F296}"
+	ProjectSection(ProjectDependencies) = postProject
+		{D080900B-5C12-45FC-941B-515A5FEA7594} = {D080900B-5C12-45FC-941B-515A5FEA7594}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RecompFuncs", "RecompFuncs\RecompFuncs.vcxproj", "{D080900B-5C12-45FC-941B-515A5FEA7594}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +26,14 @@ Global
 		{73819ED8-8A5B-4554-B3F3-60257A43F296}.Release|x64.Build.0 = Release|x64
 		{73819ED8-8A5B-4554-B3F3-60257A43F296}.Release|x86.ActiveCfg = Release|Win32
 		{73819ED8-8A5B-4554-B3F3-60257A43F296}.Release|x86.Build.0 = Release|Win32
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Debug|x64.ActiveCfg = Debug|x64
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Debug|x64.Build.0 = Debug|x64
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Debug|x86.ActiveCfg = Debug|Win32
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Debug|x86.Build.0 = Debug|Win32
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Release|x64.ActiveCfg = Release|x64
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Release|x64.Build.0 = Release|x64
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Release|x86.ActiveCfg = Release|Win32
+		{D080900B-5C12-45FC-941B-515A5FEA7594}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

test/RecompTest.vcxproj

@@ -29,21 +29,25 @@
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>ClangCL</PlatformToolset>
+    <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <PlatformToolset>ClangCL</PlatformToolset>
+    <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -71,6 +75,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <CopyCppRuntimeToOutputDir>true</CopyCppRuntimeToOutputDir>
+    <LinkIncremental>true</LinkIncremental>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <CopyCppRuntimeToOutputDir>true</CopyCppRuntimeToOutputDir>
@@ -79,11 +84,12 @@
     <ClCompile>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(ProjectDir)..;$(ProjectDir)thirdparty;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard>stdcpp20</LanguageStandard>
+      <AdditionalOptions>/utf-8</AdditionalOptions>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -95,10 +101,11 @@
     <ClCompile>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <AdditionalIncludeDirectories>$(ProjectDir)..;$(ProjectDir)thirdparty;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard>stdcpp20</LanguageStandard>
+      <AdditionalOptions>/utf-8</AdditionalOptions>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -112,12 +119,12 @@
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..;$(ProjectDir)thirdparty;$(ProjectDir)Lib\SDL2-2.24.0\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard>stdcpplatest</LanguageStandard>
-      <AdditionalOptions>
+      <AdditionalOptions>/utf-8</AdditionalOptions>
-      </AdditionalOptions>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <WarningLevel>Level1</WarningLevel>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <AdditionalDependencies>$(ProjectDir)RT64\$(Configuration)\RT64.lib;$(ProjectDir)Lib\SDL2-2.24.0\lib\$(Platform)\SDL2.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <EntryPointSymbol>mainCRTStartup</EntryPointSymbol>
     </Link>
@@ -130,12 +137,12 @@ XCOPY "$(ProjectDir)Lib\SDL2-2.24.0\lib\$(Platform)\SDL2.dll" "$(TargetDir)" /S
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..;$(ProjectDir)thirdparty;$(ProjectDir)Lib\SDL2-2.24.0\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard>stdcpplatest</LanguageStandard>
-      <AdditionalOptions>
+      <AdditionalOptions>/utf-8</AdditionalOptions>
-      </AdditionalOptions>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <WarningLevel>Level1</WarningLevel>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <AdditionalDependencies>$(ProjectDir)RT64\$(Configuration)\RT64.lib;$(ProjectDir)Lib\SDL2-2.24.0\lib\$(Platform)\SDL2.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <EntryPointSymbol>mainCRTStartup</EntryPointSymbol>
     </Link>
@@ -145,10 +152,9 @@ XCOPY "$(ProjectDir)Lib\SDL2-2.24.0\lib\$(Platform)\SDL2.dll" "$(TargetDir)" /S
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <_WildCardClCompile Include="funcs\*.c" />
-    <ClCompile Include="@(_WildCardClCompile)" />
     <ClCompile Include="funcs\lookup.cpp" />
     <ClCompile Include="portultra\events.cpp" />
+    <ClCompile Include="portultra\timer.cpp" />
     <ClCompile Include="portultra\ultrainit.cpp" />
     <ClCompile Include="portultra\port_main.c" />
     <ClCompile Include="portultra\mesgqueue.cpp" />
@@ -162,9 +168,13 @@ XCOPY "$(ProjectDir)Lib\SDL2-2.24.0\lib\$(Platform)\SDL2.dll" "$(TargetDir)" /S
     <ClCompile Include="src\dp.cpp" />
     <ClCompile Include="src\eep.cpp" />
     <ClCompile Include="portultra\misc_ultra.cpp" />
+    <ClCompile Include="src\euc-jp.cpp" />
     <ClCompile Include="src\math_routines.cpp" />
+    <ClCompile Include="src\overlays.cpp" />
+    <ClCompile Include="src\pak.cpp" />
     <ClCompile Include="src\pi.cpp" />
     <ClCompile Include="src\portultra_translation.cpp" />
+    <ClCompile Include="src\print.cpp" />
     <ClCompile Include="src\recomp.cpp" />
     <ClCompile Include="src\sp.cpp" />
     <ClCompile Include="src\vi.cpp" />
@@ -176,10 +186,16 @@ XCOPY "$(ProjectDir)Lib\SDL2-2.24.0\lib\$(Platform)\SDL2.dll" "$(TargetDir)" /S
     <ClInclude Include="portultra\platform_specific.h" />
     <ClInclude Include="RT64\rt64_layer.h" />
     <ClInclude Include="portultra\ultra64.h" />
+    <ClInclude Include="src\euc-jp.h" />
     <ClInclude Include="thirdparty\blockingconcurrentqueue.h" />
     <ClInclude Include="thirdparty\concurrentqueue.h" />
     <ClInclude Include="thirdparty\lightweightsemaphore.h" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="RecompFuncs\RecompFuncs.vcxproj">
+      <Project>{d080900b-5c12-45fc-941b-515a5fea7594}</Project>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

test/portultra/events.cpp

@@ -6,6 +6,7 @@
 #include <unordered_map>
 #include <utility>
 #include <mutex>
+#include <queue>
 
 #include <Windows.h>
 #include "SDL.h"
@@ -29,6 +30,8 @@ static struct {
     struct {
         std::thread thread;
         PTR(OSMesgQueue) mq = NULLPTR;
+        PTR(void) current_buffer = NULLPTR;
+        PTR(void) next_buffer = NULLPTR;
         OSMesg msg = (OSMesg)0;
         int retrace_count = 1;
     } vi;
@@ -55,7 +58,6 @@ static struct {
     // The same message queue may be used for multiple events, so share a mutex for all of them
     std::mutex message_mutex;
     uint8_t* rdram;
-    std::chrono::system_clock::time_point start;
     moodycamel::BlockingConcurrentQueue<Action> action_queue{};
 } events_context{};
 
@@ -89,43 +91,15 @@ extern "C" void osViSetEvent(RDRAM_ARG PTR(OSMesgQueue) mq_, OSMesg msg, u32 ret
     events_context.vi.retrace_count = retrace_count;
 }
 
-constexpr uint32_t speed_multiplier = 1;
-
-// N64 CPU counter ticks per millisecond
-constexpr uint32_t counter_per_ms = 46'875 * speed_multiplier;
-
-uint64_t duration_to_count(std::chrono::system_clock::duration duration) {
-    uint64_t delta_micros = std::chrono::duration_cast<std::chrono::microseconds>(duration).count();
-    // More accurate than using a floating point timer, will only overflow after running for 12.47 years
-    // Units: (micros * (counts/millis)) / (micros/millis) = counts
-    uint64_t total_count = (delta_micros * counter_per_ms) / 1000;
-
-    return total_count;
-}
-
-extern "C" u32 osGetCount() {
-    uint64_t total_count = duration_to_count(std::chrono::system_clock::now() - events_context.start);
-
-    // Allow for overflows, which is how osGetCount behaves
-    return (uint32_t)total_count;
-}
-
-extern "C" OSTime osGetTime() {
-    uint64_t total_count = duration_to_count(std::chrono::system_clock::now() - events_context.start);
-
-    return total_count;
-}
-
 void vi_thread_func() {
     using namespace std::chrono_literals;
     
-    events_context.start = std::chrono::system_clock::now();
     uint64_t total_vis = 0;
     int remaining_retraces = events_context.vi.retrace_count;
 
     while (true) {
         // Determine the next VI time (more accurate than adding 16ms each VI interrupt)
-        auto next = events_context.start + (total_vis * 1000000us) / (60 * speed_multiplier);
+        auto next = Multilibultra::get_start() + (total_vis * 1000000us) / (60 * Multilibultra::get_speed_multiplier());
         //if (next > std::chrono::system_clock::now()) {
         //    printf("Sleeping for %" PRIu64 " us to get from %" PRIu64 " us to %" PRIu64 " us \n",
         //        (next - std::chrono::system_clock::now()) / 1us,
@@ -136,7 +110,7 @@ void vi_thread_func() {
         //}
         std::this_thread::sleep_until(next);
         // Calculate how many VIs have passed
-        uint64_t new_total_vis = ((std::chrono::system_clock::now() - events_context.start) * (60 * speed_multiplier) / 1000ms) + 1;
+        uint64_t new_total_vis = (Multilibultra::time_since_start() * (60 * Multilibultra::get_speed_multiplier()) / 1000ms) + 1;
         if (new_total_vis > total_vis + 1) {
             //printf("Skipped % " PRId64 " frames in VI interupt thread!\n", new_total_vis - total_vis - 1);
         }
@@ -223,7 +197,7 @@ int sdl_event_filter(void* userdata, SDL_Event* event) {
     return 1;
 }
 
-void gfx_thread_func(uint8_t* rdram, uint8_t* rom) {
+void event_thread_func(uint8_t* rdram, uint8_t* rom) {
     using namespace std::chrono_literals;
     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
         fprintf(stderr, "Failed to initialize SDL2: %s\n", SDL_GetError());
@@ -234,7 +208,7 @@ void gfx_thread_func(uint8_t* rdram, uint8_t* rom) {
     // TODO set this window title in RT64, create the window here and send it to RT64, or something else entirely
     // as the current window name visibly changes as RT64 is initialized
     SDL_SetWindowTitle(window, "Recomp");
-    SDL_SetEventFilter(sdl_event_filter, nullptr);
+    //SDL_SetEventFilter(sdl_event_filter, nullptr);
 
     while (true) {
         // Try to pull an action from the queue
@@ -254,19 +228,35 @@ void gfx_thread_func(uint8_t* rdram, uint8_t* rom) {
                     std::exit(EXIT_FAILURE);
                 }
             } else if (const auto* swap_action = std::get_if<SwapBuffersAction>(&action)) {
+                events_context.vi.current_buffer = events_context.vi.next_buffer;
                 RT64UpdateScreen(swap_action->origin);
             }
         }
 
         // Handle events
-        SDL_PumpEvents();
+        constexpr int max_events_per_frame = 16;
+        SDL_Event cur_event;
+        int i = 0;
+        while (i++ < max_events_per_frame && SDL_PollEvent(&cur_event)) {
+            sdl_event_filter(nullptr, &cur_event);
+        }
+        //SDL_PumpEvents();
     }
 }
 
 extern "C" void osViSwapBuffer(RDRAM_ARG PTR(void) frameBufPtr) {
+    events_context.vi.next_buffer = frameBufPtr;
     events_context.action_queue.enqueue(SwapBuffersAction{ osVirtualToPhysical(frameBufPtr) + 640 });
 }
 
+extern "C" PTR(void) osViGetNextFramebuffer() {
+    return events_context.vi.next_buffer;
+}
+
+extern "C" PTR(void) osViGetCurrentFramebuffer() {
+    return events_context.vi.current_buffer;
+}
+
 void Multilibultra::submit_rsp_task(RDRAM_ARG PTR(OSTask) task_) {
     OSTask* task = TO_PTR(OSTask, task_);
     events_context.action_queue.enqueue(SpTaskAction{ *task });
@@ -280,5 +270,5 @@ void Multilibultra::send_si_message() {
 void Multilibultra::init_events(uint8_t* rdram, uint8_t* rom) {
     events_context.rdram = rdram;
     events_context.vi.thread = std::thread{ vi_thread_func };
-    events_context.sp.thread = std::thread{ gfx_thread_func, rdram, rom };
+    events_context.sp.thread = std::thread{ event_thread_func, rdram, rom };
 }

test/portultra/multilibultra.hpp

@@ -21,6 +21,7 @@ void preinit(uint8_t* rdram, uint8_t* rom);
 void native_init();
 void init_scheduler();
 void init_events(uint8_t* rdram, uint8_t* rom);
+void init_timers(RDRAM_ARG1);
 void native_thread_init(OSThread *t);
 void set_self_paused(RDRAM_ARG1);
 void wait_for_resumed(RDRAM_ARG1);
@@ -42,6 +43,9 @@ void set_main_thread();
 bool is_game_thread();
 void submit_rsp_task(RDRAM_ARG PTR(OSTask) task);
 void send_si_message();
+uint32_t get_speed_multiplier();
+std::chrono::system_clock::time_point get_start();
+std::chrono::system_clock::duration time_since_start();
 
 class preemption_guard {
 public:

test/portultra/threads.cpp

@@ -1,10 +1,16 @@
 #include <cstdio>
 #include <thread>
 #include <cassert>
+#include <string>
 
 #include "ultra64.h"
 #include "multilibultra.hpp"
 
+// Native APIs only used to set thread names for easier debugging
+#ifdef _WIN32
+#include <Windows.h>
+#endif
+
 extern "C" void bootproc();
 
 thread_local bool is_main_thread = false;
@@ -41,6 +47,16 @@ static void _thread_func(RDRAM_ARG PTR(OSThread) self_, PTR(thread_func_t) entry
     thread_self = self_;
     is_game_thread = true;
 
+    // Set the thread name
+#ifdef _WIN32
+    std::wstring thread_name = L"Game Thread " + std::to_wstring(self->id);
+    HRESULT r;
+    r = SetThreadDescription(
+        GetCurrentThread(),
+        thread_name.c_str()
+    );
+#endif
+
     // Perform any necessary native thread initialization.
     Multilibultra::native_thread_init(self);
 
@@ -93,7 +109,7 @@ extern "C" void osCreateThread(RDRAM_ARG PTR(OSThread) t_, OSId id, PTR(thread_f
     t->priority = pri;
     t->id = id;
     t->state = OSThreadState::PAUSED;
-    t->sp = sp;
+    t->sp = sp - 0x10; // Set up the first stack frame
 
     // Spawn a new thread, which will immediately pause itself and wait until it's been started.
     t->context = new UltraThreadContext{};

test/portultra/timer.cpp

@@ -0,0 +1,187 @@
+#include <thread>
+#include <variant>
+#include <set>
+#include "blockingconcurrentqueue.h"
+
+#include "ultra64.h"
+#include "multilibultra.hpp"
+#include "recomp.h"
+
+// Start time for the program
+static std::chrono::system_clock::time_point start = std::chrono::system_clock::now();
+// Game speed multiplier (1 means no speedup)
+constexpr uint32_t speed_multiplier = 1;
+// N64 CPU counter ticks per millisecond
+constexpr uint32_t counter_per_ms = 46'875 * speed_multiplier;
+
+struct OSTimer {
+    PTR(OSTimer) unused1;
+    PTR(OSTimer) unused2;
+    OSTime interval;
+    OSTime timestamp;
+    PTR(OSMesgQueue) mq;
+    OSMesg msg;
+};
+
+struct AddTimerAction {
+    PTR(OSTask) timer;
+};
+
+struct RemoveTimerAction {
+    PTR(OSTimer) timer;
+};
+
+using Action = std::variant<AddTimerAction, RemoveTimerAction>;
+
+struct {
+    std::thread thread;
+    moodycamel::BlockingConcurrentQueue<Action> action_queue{};
+} timer_context;
+
+uint64_t duration_to_ticks(std::chrono::system_clock::duration duration) {
+    uint64_t delta_micros = std::chrono::duration_cast<std::chrono::microseconds>(duration).count();
+    // More accurate than using a floating point timer, will only overflow after running for 12.47 years
+    // Units: (micros * (counts/millis)) / (micros/millis) = counts
+    uint64_t total_count = (delta_micros * counter_per_ms) / 1000;
+
+    return total_count;
+}
+
+std::chrono::microseconds ticks_to_duration(uint64_t ticks) {
+    using namespace std::chrono_literals;
+    return ticks * 1000us / counter_per_ms;
+}
+
+std::chrono::system_clock::time_point ticks_to_timepoint(uint64_t ticks) {
+    return start + ticks_to_duration(ticks);
+}
+
+uint64_t time_now() {
+    return duration_to_ticks(std::chrono::system_clock::now() - start);
+}
+
+void timer_thread(RDRAM_ARG1) {
+    // Lambda comparator function to keep the set ordered
+    auto timer_sort = [PASS_RDRAM1](PTR(OSTimer) a_, PTR(OSTimer) b_) {
+        OSTimer* a = TO_PTR(OSTimer, a_);
+        OSTimer* b = TO_PTR(OSTimer, b_);
+
+        // Order by timestamp if the timers have different timestamps
+        if (a->timestamp != b->timestamp) {
+            return a->timestamp < b->timestamp;
+        }
+
+        // If they have the exact same timestamp then order by address instead
+        return a < b;
+    };
+
+    // Ordered set of timers that are currently active
+    std::set<PTR(OSTimer), decltype(timer_sort)> active_timers{timer_sort};
+    
+    // Lambda to process a timer action to handle adding and removing timers
+    auto process_timer_action = [&](const Action& action) {
+        // Determine the action type and act on it
+        if (const auto* add_action = std::get_if<AddTimerAction>(&action)) {
+            active_timers.insert(add_action->timer);
+        } else if (const auto* remove_action = std::get_if<RemoveTimerAction>(&action)) {
+            active_timers.erase(remove_action->timer);
+        }
+    };
+
+    while (true) {
+        // Empty the action queue
+        Action cur_action;
+        while (timer_context.action_queue.try_dequeue(cur_action)) {
+            process_timer_action(cur_action);
+        }
+
+        // If there's no timer to act on, wait for one to come in from the action queue
+        while (active_timers.empty()) {
+            timer_context.action_queue.wait_dequeue(cur_action);
+            process_timer_action(cur_action);
+        }
+
+        // Get the timer that's closest to running out
+        PTR(OSTimer) cur_timer_ = *active_timers.begin();
+        OSTimer* cur_timer = TO_PTR(OSTimer, cur_timer_);
+
+        // Remove the timer from the queue (it may get readded if waiting is interrupted)
+        active_timers.erase(cur_timer_);
+
+        // Determine how long to wait to reach the timer's timestamp
+        auto wait_duration = ticks_to_timepoint(cur_timer->timestamp) - std::chrono::system_clock::now();
+        auto wait_us = std::chrono::duration_cast<std::chrono::microseconds>(wait_duration);
+
+        // Wait for either the duration to complete or a new action to come through
+        if (timer_context.action_queue.wait_dequeue_timed(cur_action, wait_duration)) {
+            // Timer was interrupted by a new action 
+            // Add the current timer back to the queue (done first in case the action is to remove this timer)
+            active_timers.insert(cur_timer_);
+            // Process the new action
+            process_timer_action(cur_action);
+        } else {
+            // Waiting for the timer completed, so send the timer's message to its message queue
+            osSendMesg(PASS_RDRAM cur_timer->mq, cur_timer->msg, OS_MESG_NOBLOCK);
+            // If the timer has a specified interval then reload it with that value
+            if (cur_timer->interval != 0) {
+                cur_timer->timestamp = cur_timer->interval + time_now();
+                active_timers.insert(cur_timer_);
+            }
+        }
+    }
+}
+
+void Multilibultra::init_timers(RDRAM_ARG1) {
+    timer_context.thread = std::thread{ timer_thread, PASS_RDRAM1 };
+}
+
+uint32_t Multilibultra::get_speed_multiplier() {
+    return speed_multiplier;
+}
+
+std::chrono::system_clock::time_point Multilibultra::get_start() {
+    return start;
+}
+
+std::chrono::system_clock::duration Multilibultra::time_since_start() {
+    return std::chrono::system_clock::now() - start;
+}
+
+extern "C" u32 osGetCount() {
+    uint64_t total_count = time_now();
+
+    // Allow for overflows, which is how osGetCount behaves
+    return (uint32_t)total_count;
+}
+
+extern "C" OSTime osGetTime() {
+    uint64_t total_count = time_now();
+
+    return total_count;
+}
+
+extern "C" int osSetTimer(RDRAM_ARG PTR(OSTimer) t_, OSTime countdown, OSTime interval, PTR(OSMesgQueue) mq, OSMesg msg) {
+    OSTimer* t = TO_PTR(OSTimer, t_);
+
+    // Determine the time when this timer will trigger off
+    if (countdown == 0) {
+        // Set the timestamp based on the interval
+        t->timestamp = interval + time_now();
+    } else {
+        t->timestamp = countdown + time_now();
+    }
+    t->interval = interval;
+    t->mq = mq;
+    t->msg = msg;
+
+    timer_context.action_queue.enqueue(AddTimerAction{ t_ });
+
+    return 0;
+}
+
+extern "C" int osStopTimer(RDRAM_ARG PTR(OSTimer) t_) {
+    timer_context.action_queue.enqueue(RemoveTimerAction{ t_ });
+
+    // TODO don't blindly return 0 here; requires some response from the timer thread to know what the returned value was
+    return 0;
+}

test/portultra/ultra64.h

@@ -166,8 +166,12 @@ s32 osRecvMesg(RDRAM_ARG PTR(OSMesgQueue), PTR(OSMesg), s32);
 void osSetEventMesg(RDRAM_ARG OSEvent, PTR(OSMesgQueue), OSMesg);
 void osViSetEvent(RDRAM_ARG PTR(OSMesgQueue), OSMesg, u32);
 void osViSwapBuffer(RDRAM_ARG PTR(void) frameBufPtr);
+PTR(void) osViGetNextFramebuffer();
+PTR(void) osViGetCurrentFramebuffer();
 u32 osGetCount();
 OSTime osGetTime();
+int osSetTimer(RDRAM_ARG PTR(OSTimer) timer, OSTime countdown, OSTime interval, PTR(OSMesgQueue) mq, OSMesg msg);
+int osStopTimer(RDRAM_ARG PTR(OSTimer) timer);
 u32 osVirtualToPhysical(PTR(void) addr);
 
 #ifdef __cplusplus

test/portultra/ultrainit.cpp

@@ -4,6 +4,7 @@
 void Multilibultra::preinit(uint8_t* rdram, uint8_t* rom) {
     Multilibultra::set_main_thread();
     Multilibultra::init_events(rdram, rom);
+    Multilibultra::init_timers(rdram);
 }
 
 extern "C" void osInitialize() {

test/src/cont.cpp

@@ -1,18 +1,26 @@
 #include "../portultra/multilibultra.hpp"
 #include "recomp.h"
 
+static int max_controllers = 0;
+
 extern "C" void osContInit_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
     gpr bitpattern = ctx->r5;
     gpr status = ctx->r6;
+
+    // Set bit 0 to indicate that controller 0 is present
     MEM_B(0, bitpattern) = 0x01;
 
-    MEM_H(0, status) = 0x0005; // CONT_TYPE_NORMAL
+    // Mark controller 0 as present
-    MEM_B(2, status) = 0; // controller status
+    MEM_H(0, status) = 0x0005; // type: CONT_TYPE_NORMAL (from joybus)
-    MEM_B(3, status) = 0; // controller errno
+    MEM_B(2, status) = 0x00; // status: 0 (from joybus)
+    MEM_B(3, status) = 0x00; // errno: 0 (from libultra)
 
-    // Write CHNL_ERR_NORESP for the other controllers
+    max_controllers = 4;
-    for (size_t controller = 1; controller < 4; controller++) {
+
-        MEM_B(4 * controller + 3, status) = 0x80;
+    // Mark controllers 1-3 as not connected
+    for (size_t controller = 1; controller < max_controllers; controller++) {
+        // Libultra doesn't write status or type for absent controllers
+        MEM_B(4 * controller + 3, status) = 0x80 >> 4; // errno: CONT_NO_RESPONSE_ERROR >> 4
     }
 
     ctx->r2 = 0;
@@ -42,8 +50,9 @@ void release_button(int button) {
 }
 
 extern "C" void osContGetReadData_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
-    int32_t pad = (uint32_t)ctx->r4;
+    int32_t pad = (int32_t)ctx->r4;
 
+    if (max_controllers > 0) {
         // button
         MEM_H(0, pad) = button;
         // stick_x
@@ -52,9 +61,33 @@ extern "C" void osContGetReadData_recomp(uint8_t* restrict rdram, recomp_context
         MEM_B(3, pad) = stick_y;
         // errno
         MEM_B(4, pad) = 0;
+    }
+    for (int controller = 1; controller < max_controllers; controller++) {
+        MEM_B(6 * controller + 4, pad) = 0x80 >> 4; // errno: CONT_NO_RESPONSE_ERROR >> 4
+    }
+}
+
+extern "C" void osContStartQuery_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    Multilibultra::send_si_message();
+}
+
+extern "C" void osContGetQuery_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    gpr status = ctx->r4;
+
+    // Mark controller 0 as present
+    MEM_H(0, status) = 0x0005; // type: CONT_TYPE_NORMAL (from joybus)
+    MEM_B(2, status) = 0x00; // status: 0 (from joybus)
+    MEM_B(3, status) = 0x00; // errno: 0 (from libultra)
+
+    // Mark controllers 1-3 as not connected
+    for (size_t controller = 1; controller < max_controllers; controller++) {
+        // Libultra doesn't write status or type for absent controllers
+        MEM_B(4 * controller + 3, status) = 0x80 >> 4; // errno: CONT_NO_RESPONSE_ERROR >> 4
+    }
 }
 
 extern "C" void osContSetCh_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
+    max_controllers = std::min((unsigned int)ctx->r4, 4u);
     ctx->r2 = 0;
 }
 

test/src/euc-jp.h

@@ -0,0 +1,11 @@
+#ifndef __EUC_JP_H__
+#define __EUC_JP_H__
+
+#include <string>
+#include <string_view>
+
+namespace Encoding {
+    std::string decode_eucjp(std::string_view src);
+}
+
+#endif

test/src/math_routines.cpp

@@ -3,8 +3,8 @@
 
 
 extern "C" void __udivdi3_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    uint64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    uint64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     uint64_t ret = a / b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -12,8 +12,8 @@ extern "C" void __udivdi3_recomp(uint8_t * restrict rdram, recomp_context * rest
 }
 
 extern "C" void __divdi3_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    int64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    int64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    int64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    int64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     int64_t ret = a / b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -21,8 +21,8 @@ extern "C" void __divdi3_recomp(uint8_t * restrict rdram, recomp_context * restr
 }
 
 extern "C" void __umoddi3_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    uint64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    uint64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     uint64_t ret = a % b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -30,8 +30,8 @@ extern "C" void __umoddi3_recomp(uint8_t * restrict rdram, recomp_context * rest
 }
 
 extern "C" void __ull_div_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    uint64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    uint64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     uint64_t ret = a / b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -39,8 +39,8 @@ extern "C" void __ull_div_recomp(uint8_t * restrict rdram, recomp_context * rest
 }
 
 extern "C" void __ll_div_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    int64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    int64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    int64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    int64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     int64_t ret = a / b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -48,8 +48,8 @@ extern "C" void __ll_div_recomp(uint8_t * restrict rdram, recomp_context * restr
 }
 
 extern "C" void __ll_mul_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    uint64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    uint64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     uint64_t ret = a * b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -57,8 +57,8 @@ extern "C" void __ll_mul_recomp(uint8_t * restrict rdram, recomp_context * restr
 }
 
 extern "C" void __ull_rem_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
-    uint64_t b = (ctx->r6 << 32) | (ctx->r7 << 0);
+    uint64_t b = (ctx->r6 << 32) | ((ctx->r7 << 0) & 0xFFFFFFFFu);
     uint64_t ret = a % b;
 
     ctx->r2 = (int32_t)(ret >> 32);
@@ -66,14 +66,14 @@ extern "C" void __ull_rem_recomp(uint8_t * restrict rdram, recomp_context * rest
 }
 
 extern "C" void __ull_to_d_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
     double ret = (double)a;
 
     ctx->f0.d = ret;
 }
 
 extern "C" void __ull_to_f_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    uint64_t a = (ctx->r4 << 32) | (ctx->r5 << 0);
+    uint64_t a = (ctx->r4 << 32) | ((ctx->r5 << 0) & 0xFFFFFFFFu);
     float ret = (float)a;
 
     ctx->f0.fl = ret;

test/src/overlays.cpp

@@ -0,0 +1,98 @@
+#include <unordered_map>
+#include <algorithm>
+#include <vector>
+#include "recomp.h"
+#include "../funcs/recomp_overlays.inl"
+
+constexpr size_t num_sections = ARRLEN(section_table);
+
+// SectionTableEntry sections[] defined in recomp_overlays.inl
+
+struct LoadedSection {
+    int32_t loaded_ram_addr;
+    size_t section_table_index;
+
+    bool operator<(const LoadedSection& rhs) {
+        return loaded_ram_addr < rhs.loaded_ram_addr;
+    }
+};
+
+std::vector<LoadedSection> loaded_sections{};
+std::unordered_map<int32_t, recomp_func_t*> func_map{};
+
+void load_overlay(size_t section_table_index, int32_t ram) {
+    const SectionTableEntry& section = section_table[section_table_index];
+    for (size_t function_index = 0; function_index < section.num_funcs; function_index++) {
+        const FuncEntry& func = section.funcs[function_index];
+        func_map[ram + func.offset] = func.func;
+    }
+    loaded_sections.emplace_back(ram, section_table_index);
+}
+
+extern "C" void load_overlays(uint32_t rom, int32_t ram_addr, uint32_t size) {
+    // Search for the first section that's included in the loaded rom range
+    // Sections were sorted by `init_overlays` so we can use the bounds functions
+    auto lower = std::lower_bound(&section_table[0], &section_table[num_sections], rom, 
+        [](const SectionTableEntry& entry, uint32_t addr) {
+            return entry.rom_addr < addr;
+        }
+    );
+    auto upper = std::upper_bound(&section_table[0], &section_table[num_sections], (uint32_t)(rom + size),
+        [](uint32_t addr, const SectionTableEntry& entry) {
+            return addr < entry.size + entry.rom_addr;
+        }
+    );
+    // Load the overlays that were found
+    for (auto it = lower; it != upper; ++it) {
+        load_overlay(std::distance(&section_table[0], it), it->rom_addr - rom + ram_addr);
+    }
+}
+
+extern "C" void unload_overlays(int32_t ram_addr, uint32_t size) {
+    for (auto it = loaded_sections.begin(); it != loaded_sections.end();) {
+        const auto& section = section_table[it->section_table_index];
+
+        // Check if the unloaded region overlaps with the loaded section
+        if (ram_addr < (it->loaded_ram_addr + section.size) && (ram_addr + size) >= it->loaded_ram_addr) {
+            // Check if the section isn't entirely in the loaded region
+            if (ram_addr > it->loaded_ram_addr || (ram_addr + size) < (it->loaded_ram_addr + section.size)) {
+                fprintf(stderr,
+                    "Cannot partially unload section\n"
+                    "  rom: 0x%08X size: 0x%08X loaded_addr: 0x%08X\n"
+                    "  unloaded_ram: 0x%08X unloaded_size : 0x%08X\n",
+                        section.rom_addr, section.size, it->loaded_ram_addr, ram_addr, size);
+                std::exit(EXIT_FAILURE);
+            }
+            // Determine where each function was loaded to and remove that entry from the function map
+            for (size_t func_index = 0; func_index < section.num_funcs; func_index++) {
+                const auto& func = section.funcs[func_index];
+                uint32_t func_address = func.offset + it->loaded_ram_addr;
+                func_map.erase(func_address);
+            }
+            // Remove the section from the loaded section map
+            it = loaded_sections.erase(it);
+            // Skip incrementing the iterator
+            continue;
+        }
+        ++it;
+    }
+}
+
+void init_overlays() {
+    // Sort the executable sections by rom address
+    std::sort(&section_table[0], &section_table[num_sections],
+        [](const SectionTableEntry& a, const SectionTableEntry& b) {
+            return a.rom_addr < b.rom_addr;
+        }
+    );
+}
+
+extern "C" recomp_func_t * get_function(int32_t addr) {
+    auto func_find = func_map.find(addr);
+    if (func_find == func_map.end()) {
+        fprintf(stderr, "Failed to find function at 0x%08X\n", addr);
+        std::exit(EXIT_FAILURE);
+    }
+    return func_find->second;
+}
+

test/src/pak.cpp

@@ -0,0 +1,31 @@
+#include "recomp.h"
+#include "../portultra/ultra64.h"
+#include "../portultra/multilibultra.hpp"
+
+extern "C" void osPfsInitPak_recomp(uint8_t * restrict rdram, recomp_context* restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}
+
+extern "C" void osPfsFreeBlocks_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}
+
+extern "C" void osPfsAllocateFile_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}
+
+extern "C" void osPfsDeleteFile_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}
+
+extern "C" void osPfsFileState_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}
+
+extern "C" void osPfsFindFile_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}
+
+extern "C" void osPfsReadWriteFile_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+	ctx->r2 = 1; // PFS_ERR_NOPACK
+}

test/src/pi.cpp

@@ -3,49 +3,6 @@
 #include "../portultra/ultra64.h"
 #include "../portultra/multilibultra.hpp"
 
-extern std::unique_ptr<uint8_t[]> rom;
-extern size_t rom_size;
-
-extern "C" void osCartRomInit_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
-    ;
-}
-
-extern "C" void osCreatePiManager_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
-    ;
-}
-
-constexpr uint32_t rom_base = 0xB0000000;
-
-void do_rom_read(uint8_t* rdram, gpr ram_address, uint32_t dev_address, size_t num_bytes) {
-    // TODO use word copies when possible
-    uint8_t* rom_addr = rom.get() + (dev_address | rom_base) - rom_base;
-    for (size_t i = 0; i < num_bytes; i++) {
-        MEM_B(i, ram_address) = *rom_addr;
-        rom_addr++;
-    }
-}
-
-extern "C" void osPiStartDma_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
-    uint32_t mb = ctx->r4;
-    uint32_t pri = ctx->r5;
-    uint32_t direction = ctx->r6;
-    uint32_t devAddr = ctx->r7;
-    gpr dramAddr = MEM_W(0x10, ctx->r29);
-    uint32_t size = MEM_W(0x14, ctx->r29);
-    PTR(OSMesgQueue) mq = MEM_W(0x18, ctx->r29);
-
-    debug_printf("[pi] DMA from 0x%08X into 0x%08X of size 0x%08X\n", devAddr, dramAddr, size);
-
-    // TODO asynchronous transfer (will require preemption in the scheduler)
-    // TODO this won't handle unaligned DMA
-    do_rom_read(rdram, dramAddr, devAddr, size);
-
-    //memcpy(rdram + (dramAddr & 0x3FFFFFF), rom.get() + (devAddr | rom_base) - rom_base, num_bytes);
-
-    // Send a message to the mq to indicate that the transfer completed
-    osSendMesg(rdram, mq, 0, OS_MESG_NOBLOCK);
-}
-
 struct OSIoMesgHdr {
     // These 3 reversed due to endianness
     u8 status;                 /* Return status */
@@ -62,24 +19,148 @@ struct OSIoMesg {
     u32 piHandle;	    /* PI device handle */
 };
 
-extern "C" void osEPiStartDma_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
+struct OSPiHandle {
-    OSIoMesg* mb = TO_PTR(OSIoMesg, ctx->r5);
+    PTR(OSPiHandle_s)    unused;        /* point to next handle on the table */
-    uint32_t direction = ctx->r6;
+    // These four members reversed due to endianness
-    uint32_t devAddr = mb->devAddr;
+    u8                   relDuration;   /* domain release duration */
-    gpr dramAddr = mb->dramAddr;
+    u8                   pageSize;      /* domain page size */
-    uint32_t size = mb->size;
+    u8                   latency;       /* domain latency */
-    PTR(OSMesgQueue) mq = mb->hdr.retQueue;
+    u8                   type;          /* DEVICE_TYPE_BULK for disk */
+    // These three members reversed due to endianness
+    u16                  padding;       /* struct alignment padding */
+    u8                   domain;        /* which domain */
+    u8                   pulse;         /* domain pulse width */
+    u32                  baseAddress;   /* Domain address */
+    u32                  speed;         /* for roms only */
+    /* The following are "private" elements" */
+    u32                  transferInfo[18];  /* for disk only */
+};
 
-    debug_printf("[pi] DMA from 0x%08X into 0x%08X of size 0x%08X\n", devAddr, dramAddr, size);
+// Flashram occupies the same physical address as sram, but that issue is avoided because libultra exposes
+// a high-level interface for flashram. Because that high-level interface is reimplemented, low level accesses
+// that involve physical addresses don't need to be handled for flashram.
+constexpr uint32_t sram_base = 0x08000000;
+constexpr uint32_t rom_base = 0x10000000;
 
-    // TODO asynchronous transfer (will require preemption in the scheduler)
+constexpr uint32_t k1_to_phys(uint32_t addr) {
-    // TODO this won't handle unaligned DMA
+    return addr & 0x1FFFFFFF;
-    do_rom_read(rdram, dramAddr, devAddr, size);
+}
 
-    //memcpy(rdram + (dramAddr & 0x3FFFFFF), rom.get() + (devAddr | rom_base) - rom_base, num_bytes);
+constexpr uint32_t phys_to_k1(uint32_t addr) {
+    return addr | 0xA0000000;
+}
+
+// We need a place in rdram to hold the cart handle, so pick an address in extended rdram
+constexpr int32_t cart_handle = 0x80800000;
+
+extern std::unique_ptr<uint8_t[]> rom;
+extern size_t rom_size;
+
+extern "C" void osCartRomInit_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
+    OSPiHandle* handle = TO_PTR(OSPiHandle, cart_handle);
+    handle->type = 0; // cart
+    handle->baseAddress = phys_to_k1(rom_base);
+    handle->domain = 0;
+
+    ctx->r2 = (gpr)cart_handle;
+}
+
+extern "C" void osCreatePiManager_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
+    ;
+}
+
+void do_rom_read(uint8_t* rdram, gpr ram_address, uint32_t physical_addr, size_t num_bytes) {
+    // TODO use word copies when possible
+    uint8_t* rom_addr = rom.get() + physical_addr - rom_base;
+    for (size_t i = 0; i < num_bytes; i++) {
+        MEM_B(i, ram_address) = *rom_addr;
+        rom_addr++;
+    }
+}
+
+void do_dma(uint8_t* restrict rdram, PTR(OSMesgQueue) mq, gpr rdram_address, uint32_t physical_addr, uint32_t size, uint32_t direction) {
+    // TODO asynchronous transfer
+    // TODO implement unaligned DMA correctly
+    if (direction == 0) {
+        if (physical_addr > rom_base) {
+            // read cart rom
+            do_rom_read(rdram, rdram_address, physical_addr, size);
 
             // Send a message to the mq to indicate that the transfer completed
             osSendMesg(rdram, mq, 0, OS_MESG_NOBLOCK);
+        } else {
+            // read sram
+            printf("[WARN] SRAM read unimplemented, returning zeroes\n");
+            for (uint32_t i = 0; i < size; i++) {
+                MEM_B(i, rdram_address) = 0;
+            }
+
+            // Send a message to the mq to indicate that the transfer completed
+            osSendMesg(rdram, mq, 0, OS_MESG_NOBLOCK);
+        }
+    } else {
+        if (physical_addr > rom_base) {
+            // write cart rom
+            throw std::runtime_error("ROM DMA write unimplemented");
+        } else {
+            // write sram
+            printf("[WARN] SRAM write unimplemented, ignoring data\n");
+
+            // Send a message to the mq to indicate that the transfer completed
+            osSendMesg(rdram, mq, 0, OS_MESG_NOBLOCK);
+        }
+    }
+}
+
+extern "C" void osPiStartDma_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
+    uint32_t mb = ctx->r4;
+    uint32_t pri = ctx->r5;
+    uint32_t direction = ctx->r6;
+    uint32_t devAddr = ctx->r7;
+    gpr dramAddr = MEM_W(0x10, ctx->r29);
+    uint32_t size = MEM_W(0x14, ctx->r29);
+    PTR(OSMesgQueue) mq = MEM_W(0x18, ctx->r29);
+    uint32_t physical_addr = k1_to_phys(devAddr);
+
+    debug_printf("[pi] DMA from 0x%08X into 0x%08X of size 0x%08X\n", devAddr, dramAddr, size);
+
+    do_dma(rdram, mq, dramAddr, physical_addr, size, direction);
+
+    ctx->r2 = 0;
+}
+
+extern "C" void osEPiStartDma_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
+    OSPiHandle* handle = TO_PTR(OSPiHandle, ctx->r4);
+    OSIoMesg* mb = TO_PTR(OSIoMesg, ctx->r5);
+    uint32_t direction = ctx->r6;
+    uint32_t devAddr = handle->baseAddress | mb->devAddr;
+    gpr dramAddr = mb->dramAddr;
+    uint32_t size = mb->size;
+    PTR(OSMesgQueue) mq = mb->hdr.retQueue;
+    uint32_t physical_addr = k1_to_phys(devAddr);
+
+    debug_printf("[pi] DMA from 0x%08X into 0x%08X of size 0x%08X\n", devAddr, dramAddr, size);
+
+    do_dma(rdram, mq, dramAddr, physical_addr, size, direction);
+
+    ctx->r2 = 0;
+}
+
+extern "C" void osEPiReadIo_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    OSPiHandle* handle = TO_PTR(OSPiHandle, ctx->r4);
+    uint32_t devAddr = handle->baseAddress | ctx->r5;
+    gpr dramAddr = ctx->r6;
+    uint32_t physical_addr = k1_to_phys(devAddr);
+
+    if (physical_addr > rom_base) {
+        // cart rom
+        do_rom_read(rdram, dramAddr, physical_addr, sizeof(uint32_t));
+    } else {
+        // sram
+        assert(false && "SRAM ReadIo unimplemented");
+    }
+
+    ctx->r2 = 0;
 }
 
 extern "C" void osPiGetStatus_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
@@ -87,5 +168,5 @@ extern "C" void osPiGetStatus_recomp(uint8_t * restrict rdram, recomp_context *
 }
 
 extern "C" void osPiRawStartDma_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    ;
+    ctx->r2 = 0;
 }

test/src/portultra_translation.cpp

@@ -70,10 +70,20 @@ extern "C" void osGetCount_recomp(uint8_t * restrict rdram, recomp_context * res
 
 extern "C" void osGetTime_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
     uint64_t total_count = osGetTime();
-    ctx->r2 = (uint32_t)(total_count >> 32);
+    ctx->r2 = (int32_t)(total_count >> 32);
     ctx->r3 = (int32_t)(total_count >> 0);
 }
 
+extern "C" void osSetTimer_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    uint64_t countdown = ((uint64_t)(ctx->r6) << 32) | ((ctx->r7) & 0xFFFFFFFFu);
+    uint64_t interval = load_doubleword(rdram, ctx->r29, 0x10);
+    ctx->r2 = osSetTimer(rdram, (int32_t)ctx->r4, countdown, interval, (int32_t)MEM_W(0x18, ctx->r29), (OSMesg)MEM_W(0x1C, ctx->r29));
+}
+
+extern "C" void osStopTimer_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    ctx->r2 = osStopTimer(rdram, (int32_t)ctx->r4);
+}
+
 extern "C" void osVirtualToPhysical_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
     ctx->r2 = osVirtualToPhysical((int32_t)ctx->r2);
 }
@@ -110,43 +120,6 @@ extern "C" void __osSetFpcCsr_recomp(uint8_t * restrict rdram, recomp_context *
     ctx->r2 = 0;
 }
 
-extern "C" void __checkHardware_msp_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    ctx->r2 = 0;
-}
-
-extern "C" void __checkHardware_kmc_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    ctx->r2 = 0;
-}
-
-extern "C" void __checkHardware_isv_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    ctx->r2 = 0;
-}
-
-extern "C" void __osInitialize_msp_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-}
-
-extern "C" void __osInitialize_kmc_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-}
-
-extern "C" void __osInitialize_isv_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-}
-
-extern "C" void __osRdbSend_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
-    gpr buf = ctx->r4;
-    size_t size = ctx->r5;
-    u32 type = (u32)ctx->r6;
-    std::unique_ptr<char[]> to_print = std::make_unique<char[]>(size);
-
-    for (size_t i = 0; i < size; i++) {
-        to_print[i] = MEM_B(i, buf);
-    }
-    to_print[size] = '\x00';
-
-    fwrite(to_print.get(), 1, size, stdout);
-
-    ctx->r2 = size;
-}
-
 // For the Mario Party games (not working)
 //extern "C" void longjmp_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
 //    RecompJmpBuf* buf = TO_PTR(RecompJmpBuf, ctx->r4);

test/src/print.cpp

@@ -0,0 +1,70 @@
+#include "../portultra/ultra64.h"
+#include "../portultra/multilibultra.hpp"
+#include "recomp.h"
+#include "euc-jp.h"
+
+extern "C" void __checkHardware_msp_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    ctx->r2 = 0;
+}
+
+extern "C" void __checkHardware_kmc_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    ctx->r2 = 0;
+}
+
+extern "C" void __checkHardware_isv_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    ctx->r2 = 0;
+}
+
+extern "C" void __osInitialize_msp_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+}
+
+extern "C" void __osInitialize_kmc_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+}
+
+extern "C" void __osInitialize_isv_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+}
+
+extern "C" void isPrintfInit_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+}
+
+extern "C" void __osRdbSend_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    gpr buf = ctx->r4;
+    size_t size = ctx->r5;
+    u32 type = (u32)ctx->r6;
+    std::unique_ptr<char[]> to_print = std::make_unique<char[]>(size + 1);
+
+    for (size_t i = 0; i < size; i++) {
+        to_print[i] = MEM_B(i, buf);
+    }
+    to_print[size] = '\x00';
+
+    fwrite(to_print.get(), 1, size, stdout);
+
+    ctx->r2 = size;
+}
+
+extern "C" void is_proutSyncPrintf_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    // Buffering to speed up print performance
+    static std::vector<char> print_buffer;
+
+    gpr buf = ctx->r5;
+    size_t size = ctx->r6;
+
+    for (size_t i = 0; i < size; i++) {
+        // Add the new character to the buffer
+        char cur_char = MEM_B(i, buf);
+
+        // If the new character is a newline, flush the buffer
+        if (cur_char == '\n') {
+            std::string utf8_str = Encoding::decode_eucjp(std::string_view{ print_buffer.data(), print_buffer.size() });
+            puts(utf8_str.c_str());
+            print_buffer.clear();
+        } else {
+            print_buffer.push_back(cur_char);
+        }
+    }
+
+    //fwrite(to_print.get(), size, 1, stdout);
+
+    ctx->r2 = 1;
+}

test/src/recomp.cpp

@@ -1,4 +1,4 @@
-#ifdef _WIN32
+#ifdef _WIN32
 #include <Windows.h>
 #endif
 #include <cstdio>
@@ -7,6 +7,7 @@
 #include <cmath>
 #include <unordered_map>
 #include <fstream>
+#include <iostream>
 #include "recomp.h"
 #include "../portultra/multilibultra.hpp"
 
@@ -20,20 +21,6 @@ constexpr uint32_t byteswap(uint32_t val) {
 }
 #endif
 
-extern std::pair<uint32_t, recomp_func_t*> funcs[];
-extern const size_t num_funcs;
-
-std::unordered_map<uint32_t, recomp_func_t*> func_map{};
-
-extern "C" recomp_func_t* get_function(uint32_t addr) {
-    auto func_find = func_map.find(addr);
-    if (func_find == func_map.end()) {
-        fprintf(stderr, "Failed to find function at 0x%08X\n", addr);
-        std::exit(EXIT_FAILURE);
-    }
-    return func_find->second;
-}
-
 extern "C" void _bzero(uint8_t* restrict rdram, recomp_context* restrict ctx) {
     gpr start_addr = ctx->r4;
     gpr size = ctx->r5;
@@ -43,6 +30,10 @@ extern "C" void _bzero(uint8_t* restrict rdram, recomp_context* restrict ctx) {
     }
 }
 
+extern "C" void osGetMemSize_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+    ctx->r2 = 8 * 1024 * 1024;
+}
+
 extern "C" void switch_error(const char* func, uint32_t vram, uint32_t jtbl) {
     printf("Switch-case out of bounds in %s at 0x%08X for jump table at 0x%08X\n", func, vram, jtbl);
     exit(EXIT_FAILURE);
@@ -70,6 +61,13 @@ size_t rom_size;
 extern "C" void recomp_entrypoint(uint8_t * restrict rdram, recomp_context * restrict ctx);
 gpr get_entrypoint_address();
 const char* get_rom_name();
+void init_overlays();
+extern "C" void load_overlays(uint32_t rom, int32_t ram_addr, uint32_t size);
+extern "C" void unload_overlays(int32_t ram_addr, uint32_t size);
+
+#ifdef _WIN32
+#include <Windows.h>
+#endif
 
 int main(int argc, char **argv) {
     //if (argc != 2) {
@@ -77,6 +75,24 @@ int main(int argc, char **argv) {
     //    exit(EXIT_SUCCESS);
     //}
 
+#ifdef _WIN32
+    // Set up console output to accept UTF-8 on windows
+    SetConsoleOutputCP(CP_UTF8);
+
+    // Change to a font that supports Japanese characters
+    CONSOLE_FONT_INFOEX cfi;
+    cfi.cbSize = sizeof cfi;
+    cfi.nFont = 0;
+    cfi.dwFontSize.X = 0;
+    cfi.dwFontSize.Y = 16;
+    cfi.FontFamily = FF_DONTCARE;
+    cfi.FontWeight = FW_NORMAL;
+    wcscpy_s(cfi.FaceName, L"NSimSun");
+    SetCurrentConsoleFontEx(GetStdHandle(STD_OUTPUT_HANDLE), FALSE, &cfi);
+#else
+    std::setlocale(LC_ALL, "en_US.UTF-8");
+#endif
+
     {
         std::basic_ifstream<uint8_t> rom_file{ get_rom_name(), std::ios::binary };
 
@@ -96,24 +112,28 @@ int main(int argc, char **argv) {
         rom = std::make_unique<uint8_t[]>(rom_size);
 
         rom_file.read(rom.get(), rom_size);
+
+        // TODO remove this
+        // Modify the name in the rom header so RT64 doesn't find it
+        rom[0x2F] = 'O';
     }
 
+    // Initialize the overlays
+    init_overlays();
+
     // Get entrypoint from recomp function
     gpr entrypoint = get_entrypoint_address();
 
-    // Allocate rdram_buffer
+    // Load overlays in the first 1MB
-    std::unique_ptr<uint8_t[]> rdram_buffer = std::make_unique<uint8_t[]>(8 * 1024 * 1024);
+    load_overlays(0x1000, (int32_t)entrypoint, 1024 * 1024);
+
+    // Allocate rdram_buffer (16MB to give room for any extra addressable data used by recomp)
+    std::unique_ptr<uint8_t[]> rdram_buffer = std::make_unique<uint8_t[]>(16 * 1024 * 1024);
     std::memset(rdram_buffer.get(), 0, 8 * 1024 * 1024);
     recomp_context context{};
 
-    // Initial 1MB DMA
+    // Initial 1MB DMA (rom address 0x1000 = physical address 0x10001000)
-    do_rom_read(rdram_buffer.get(), entrypoint, 0x1000, 0x100000);
+    do_rom_read(rdram_buffer.get(), entrypoint, 0x10001000, 0x100000);
-    //std::copy_n(rom.get() + 0x1000, 0x100000, rdram_buffer.get() + entrypoint - 0x80000000);
-
-    // Initialize function address map
-    for (size_t i = 0; i < num_funcs; i++) {
-        func_map[funcs[i].first] = funcs[i].second;
-    }
 
     // Set up stack pointer
     context.r29 = 0xFFFFFFFF803FFFF0u;

test/src/sp.cpp

@@ -15,7 +15,7 @@ extern "C" void osSpTaskStartGo_recomp(uint8_t* restrict rdram, recomp_context*
     if (task->t.type == M_GFXTASK) {
         //printf("[sp] Gfx task: %08X\n", (uint32_t)ctx->r4);
     } else if (task->t.type == M_AUDTASK) {
-        printf("[sp] Audio task: %08X\n", (uint32_t)ctx->r4);
+        //printf("[sp] Audio task: %08X\n", (uint32_t)ctx->r4);
     }
     // For debugging
     if (dump_frame) {

test/src/vi.cpp

@@ -1,7 +1,11 @@
 #include "../portultra/multilibultra.hpp"
 #include "recomp.h"
 
-extern "C" void osViSetYScale_recomp(uint8_t * restrict rdram, recomp_context * restrict ctx) {
+extern "C" void osViSetYScale_recomp(uint8_t* restrict rdram, recomp_context * restrict ctx) {
+    ;
+}
+
+extern "C" void osViSetXScale_recomp(uint8_t* restrict rdram, recomp_context * restrict ctx) {
     ;
 }
 
@@ -18,11 +22,11 @@ extern "C" void osViSetSpecialFeatures_recomp(uint8_t* restrict rdram, recomp_co
 }
 
 extern "C" void osViGetCurrentFramebuffer_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
-    ;
+    ctx->r2 = (gpr)(int32_t)osViGetCurrentFramebuffer();
 }
 
 extern "C" void osViGetNextFramebuffer_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {
-    ;
+    ctx->r2 = (gpr)(int32_t)osViGetNextFramebuffer();
 }
 
 extern "C" void osViSwapBuffer_recomp(uint8_t* restrict rdram, recomp_context* restrict ctx) {