Provide x64 compatibility (#62)

CMakeLists.txt

@@ -238,6 +238,8 @@ target_sources(${EXECUTABLE_NAME} PUBLIC
     "src/fps_limiter.h"
     "src/platform_compat.cc"
     "src/platform_compat.h"
+    "src/pointer_registry.cc"
+    "src/pointer_registry.h"
     "src/sfall_config.cc"
     "src/sfall_config.h"
 )

CMakeSettings.json

@@ -21,6 +21,30 @@
       "cmakeCommandArgs": "",
       "buildCommandArgs": "",
       "ctestCommandArgs": ""
+    },
+    {
+      "name": "x64-Debug",
+      "generator": "Visual Studio 16 2019 Win64",
+      "configurationType": "Debug",
+      "buildRoot": "${projectDir}\\out\\build\\${name}",
+      "installRoot": "${projectDir}\\out\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "",
+      "ctestCommandArgs": "",
+      "inheritEnvironments": [ "msvc_x64_x64" ],
+      "variables": []
+    },
+    {
+      "name": "x64-Release",
+      "generator": "Visual Studio 16 2019 Win64",
+      "configurationType": "Release",
+      "buildRoot": "${projectDir}\\out\\build\\${name}",
+      "installRoot": "${projectDir}\\out\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "",
+      "ctestCommandArgs": "",
+      "inheritEnvironments": [ "msvc_x64_x64" ],
+      "variables": []
     }
   ]
 }

src/audio.cc

@@ -3,6 +3,7 @@
 #include "db.h"
 #include "debug.h"
 #include "memory_manager.h"
+#include "pointer_registry.h"
 #include "sound.h"
 
 #include <assert.h>
@@ -35,7 +36,7 @@ static bool _defaultCompressionFunc(char* filePath)
 // 0x41A2D0
 static int audioSoundDecoderReadHandler(int fileHandle, void* buffer, unsigned int size)
 {
-    return fileRead(buffer, 1, size, (File*)fileHandle);
+    return fileRead(buffer, 1, size, (File*)intToPtr(fileHandle));
 }
 
 // AudioOpen
@@ -97,7 +98,7 @@ int audioOpen(const char* fname, int flags, ...)
 
     AudioFile* audioFile = &(gAudioList[index]);
     audioFile->flags = AUDIO_FILE_IN_USE;
-    audioFile->fileHandle = (int)stream;
+    audioFile->fileHandle = ptrToInt(stream);
 
     if (compression == 2) {
         audioFile->flags |= AUDIO_FILE_COMPRESSED;
@@ -116,7 +117,7 @@ int audioOpen(const char* fname, int flags, ...)
 int audioClose(int fileHandle)
 {
     AudioFile* audioFile = &(gAudioList[fileHandle - 1]);
-    fileClose((File*)audioFile->fileHandle);
+    fileClose((File*)intToPtr(audioFile->fileHandle, true));
 
     if ((audioFile->flags & AUDIO_FILE_COMPRESSED) != 0) {
         soundDecoderFree(audioFile->soundDecoder);
@@ -136,7 +137,7 @@ int audioRead(int fileHandle, void* buffer, unsigned int size)
     if ((audioFile->flags & AUDIO_FILE_COMPRESSED) != 0) {
         bytesRead = soundDecoderDecode(audioFile->soundDecoder, buffer, size);
     } else {
-        bytesRead = fileRead(buffer, 1, size, (File*)audioFile->fileHandle);
+        bytesRead = fileRead(buffer, 1, size, (File*)intToPtr(audioFile->fileHandle));
     }
 
     audioFile->position += bytesRead;
@@ -170,7 +171,7 @@ long audioSeek(int fileHandle, long offset, int origin)
     if ((audioFile->flags & AUDIO_FILE_COMPRESSED) != 0) {
         if (pos < audioFile->position) {
             soundDecoderFree(audioFile->soundDecoder);
-            fileSeek((File*)audioFile->fileHandle, 0, SEEK_SET);
+            fileSeek((File*)intToPtr(audioFile->fileHandle), 0, SEEK_SET);
             audioFile->soundDecoder = soundDecoderInit(audioSoundDecoderReadHandler, audioFile->fileHandle, &(audioFile->field_14), &(audioFile->field_10), &(audioFile->fileSize));
             audioFile->position = 0;
             audioFile->fileSize *= 2;
@@ -205,7 +206,7 @@ long audioSeek(int fileHandle, long offset, int origin)
 
         return audioFile->position;
     } else {
-        return fileSeek((File*)audioFile->fileHandle, offset, origin);
+        return fileSeek((File*)intToPtr(audioFile->fileHandle), offset, origin);
     }
 }
 

src/audio_file.cc

@@ -3,6 +3,7 @@
 #include "debug.h"
 #include "memory_manager.h"
 #include "platform_compat.h"
+#include "pointer_registry.h"
 #include "sound.h"
 
 #include <assert.h>
@@ -35,7 +36,7 @@ static bool _defaultCompressionFunc__(char* filePath)
 // 0x41A870
 static int audioFileSoundDecoderReadHandler(int fileHandle, void* buffer, unsigned int size)
 {
-    return fread(buffer, 1, size, (FILE*)fileHandle);
+    return fread(buffer, 1, size, (FILE*)intToPtr(fileHandle));
 }
 
 // 0x41A88C
@@ -95,7 +96,7 @@ int audioFileOpen(const char* fname, int flags, ...)
 
     AudioFile* audioFile = &(gAudioFileList[index]);
     audioFile->flags = AUDIO_FILE_IN_USE;
-    audioFile->fileHandle = (int)stream;
+    audioFile->fileHandle = ptrToInt(stream);
 
     if (compression == 2) {
         audioFile->flags |= AUDIO_FILE_COMPRESSED;
@@ -114,7 +115,7 @@ int audioFileOpen(const char* fname, int flags, ...)
 int audioFileClose(int fileHandle)
 {
     AudioFile* audioFile = &(gAudioFileList[fileHandle - 1]);
-    fclose((FILE*)audioFile->fileHandle);
+    fclose((FILE*)intToPtr(audioFile->fileHandle, true));
 
     if ((audioFile->flags & AUDIO_FILE_COMPRESSED) != 0) {
         soundDecoderFree(audioFile->soundDecoder);
@@ -136,7 +137,7 @@ int audioFileRead(int fileHandle, void* buffer, unsigned int size)
     if ((ptr->flags & AUDIO_FILE_COMPRESSED) != 0) {
         bytesRead = soundDecoderDecode(ptr->soundDecoder, buffer, size);
     } else {
-        bytesRead = fread(buffer, 1, size, (FILE*)ptr->fileHandle);
+        bytesRead = fread(buffer, 1, size, (FILE*)intToPtr(ptr->fileHandle));
     }
 
     ptr->position += bytesRead;
@@ -171,7 +172,7 @@ long audioFileSeek(int fileHandle, long offset, int origin)
         if (a4 <= audioFile->position) {
             soundDecoderFree(audioFile->soundDecoder);
 
-            fseek((FILE*)audioFile->fileHandle, 0, 0);
+            fseek((FILE*)intToPtr(audioFile->fileHandle), 0, 0);
 
             audioFile->soundDecoder = soundDecoderInit(audioFileSoundDecoderReadHandler, audioFile->fileHandle, &(audioFile->field_14), &(audioFile->field_10), &(audioFile->fileSize));
             audioFile->fileSize *= 2;
@@ -203,7 +204,7 @@ long audioFileSeek(int fileHandle, long offset, int origin)
         return audioFile->position;
     }
 
-    return fseek((FILE*)audioFile->fileHandle, offset, origin);
+    return fseek((FILE*)intToPtr(audioFile->fileHandle), offset, origin);
 }
 
 // 0x41AD20

src/export.cc

@@ -10,11 +10,8 @@
 typedef struct ExternalVariable {
     char name[32];
     char* programName;
-    opcode_t type;
+    ProgramValue value;
-    union {
+    char* stringValue;
-        int value;
-        char* stringValue;
-    };
 } ExternalVariable;
 
 typedef struct ExternalProcedure {
@@ -172,47 +169,46 @@ ExternalVariable* externalVariableAdd(const char* identifier)
 }
 
 // 0x44127C
-int externalVariableSetValue(Program* program, const char* name, opcode_t opcode, int data)
+int externalVariableSetValue(Program* program, const char* name, ProgramValue& programValue)
 {
     ExternalVariable* exportedVariable = externalVariableFind(name);
     if (exportedVariable == NULL) {
         return 1;
     }
 
-    if ((exportedVariable->type & 0xF7FF) == VALUE_TYPE_STRING) {
+
+    if ((exportedVariable->value.opcode & 0xF7FF) == VALUE_TYPE_STRING) {
         internal_free_safe(exportedVariable->stringValue, __FILE__, __LINE__); // "..\\int\\EXPORT.C", 169
     }
 
-    if ((opcode & 0xF7FF) == VALUE_TYPE_STRING) {
+    if ((programValue.opcode & 0xF7FF) == VALUE_TYPE_STRING) {
         if (program != NULL) {
-            const char* stringValue = programGetString(program, opcode, data);
+            const char* stringValue = programGetString(program, programValue.opcode, programValue.integerValue);
-            exportedVariable->type = VALUE_TYPE_DYNAMIC_STRING;
+            exportedVariable->value.opcode = VALUE_TYPE_DYNAMIC_STRING;
 
             exportedVariable->stringValue = (char*)internal_malloc_safe(strlen(stringValue) + 1, __FILE__, __LINE__); // "..\\int\\EXPORT.C", 175
             strcpy(exportedVariable->stringValue, stringValue);
         }
     } else {
-        exportedVariable->value = data;
+        exportedVariable->value = programValue;
-        exportedVariable->type = opcode;
     }
 
     return 0;
 }
 
 // 0x4413D4
-int externalVariableGetValue(Program* program, const char* name, opcode_t* opcodePtr, int* dataPtr)
+int externalVariableGetValue(Program* program, const char* name, ProgramValue& value)
 {
     ExternalVariable* exportedVariable = externalVariableFind(name);
     if (exportedVariable == NULL) {
         return 1;
     }
 
-    *opcodePtr = exportedVariable->type;
+    if ((exportedVariable->value.opcode & 0xF7FF) == VALUE_TYPE_STRING) {
-
+        value.opcode = exportedVariable->value.opcode;
-    if ((exportedVariable->type & 0xF7FF) == VALUE_TYPE_STRING) {
+        value.integerValue = programPushString(program, exportedVariable->stringValue);
-        *dataPtr = programPushString(program, exportedVariable->stringValue);
     } else {
-        *dataPtr = exportedVariable->value;
+        value = exportedVariable->value;
     }
 
     return 0;
@@ -229,7 +225,7 @@ int externalVariableCreate(Program* program, const char* identifier)
             return 1;
         }
 
-        if ((exportedVariable->type & 0xF7FF) == VALUE_TYPE_STRING) {
+        if ((exportedVariable->value.opcode & 0xF7FF) == VALUE_TYPE_STRING) {
             internal_free_safe(exportedVariable->stringValue, __FILE__, __LINE__); // "..\\int\\EXPORT.C", 234
         }
     } else {
@@ -244,8 +240,8 @@ int externalVariableCreate(Program* program, const char* identifier)
         strcpy(exportedVariable->programName, programName);
     }
 
-    exportedVariable->type = VALUE_TYPE_INT;
+    exportedVariable->value.opcode = VALUE_TYPE_INT;
-    exportedVariable->value = 0;
+    exportedVariable->value.integerValue = 0;
 
     return 0;
 }
@@ -278,7 +274,7 @@ void externalVariablesClear()
             internal_free_safe(exportedVariable->programName, __FILE__, __LINE__); // ..\\int\\EXPORT.C, 274
         }
 
-        if (exportedVariable->type == VALUE_TYPE_DYNAMIC_STRING) {
+        if (exportedVariable->value.opcode == VALUE_TYPE_DYNAMIC_STRING) {
             internal_free_safe(exportedVariable->stringValue, __FILE__, __LINE__); // ..\\int\\EXPORT.C, 276
         }
     }
@@ -332,7 +328,7 @@ void _exportClearAllVariables()
     for (int index = 0; index < 1013; index++) {
         ExternalVariable* exportedVariable = &(gExternalVariables[index]);
         if (exportedVariable->name[0] != '\0') {
-            if ((exportedVariable->type & 0xF7FF) == VALUE_TYPE_STRING) {
+            if ((exportedVariable->value.opcode & 0xF7FF) == VALUE_TYPE_STRING) {
                 if (exportedVariable->stringValue != NULL) {
                     internal_free_safe(exportedVariable->stringValue, __FILE__, __LINE__); // "..\\int\\EXPORT.C", 387
                 }
@@ -344,7 +340,7 @@ void _exportClearAllVariables()
             }
 
             exportedVariable->name[0] = '\0';
-            exportedVariable->type = 0;
+            exportedVariable->value.opcode = 0;
         }
     }
 }

src/export.h

@@ -3,8 +3,8 @@
 
 #include "interpreter.h"
 
-int externalVariableSetValue(Program* program, const char* identifier, opcode_t opcode, int data);
+int externalVariableSetValue(Program* program, const char* identifier, ProgramValue& value);
-int externalVariableGetValue(Program* program, const char* name, opcode_t* opcodePtr, int* dataPtr);
+int externalVariableGetValue(Program* program, const char* name, ProgramValue& value);
 int externalVariableCreate(Program* program, const char* identifier);
 void _initExport();
 void externalVariablesClear();

src/game_sound.cc

@@ -12,6 +12,7 @@
 #include "memory.h"
 #include "movie.h"
 #include "object.h"
+#include "pointer_registry.h"
 #include "proto.h"
 #include "queue.h"
 #include "random.h"
@@ -1564,7 +1565,7 @@ int gameSoundFileOpen(const char* fname, int flags, ...)
         return -1;
     }
 
-    return (int)stream;
+    return ptrToInt(stream);
 }
 
 // NOTE: Collapsed.
@@ -1599,7 +1600,7 @@ int gameSoundFileClose(int fileHandle)
         return -1;
     }
 
-    return fileClose((File*)fileHandle);
+    return fileClose((File*)intToPtr(fileHandle, true));
 }
 
 // 0x451A30
@@ -1609,7 +1610,7 @@ int gameSoundFileRead(int fileHandle, void* buffer, unsigned int size)
         return -1;
     }
 
-    return fileRead(buffer, 1, size, (File*)fileHandle);
+    return fileRead(buffer, 1, size, (File*)intToPtr(fileHandle));
 }
 
 // 0x451A4C
@@ -1619,11 +1620,11 @@ long gameSoundFileSeek(int fileHandle, long offset, int origin)
         return -1;
     }
 
-    if (fileSeek((File*)fileHandle, offset, origin) != 0) {
+    if (fileSeek((File*)intToPtr(fileHandle), offset, origin) != 0) {
         return -1;
     }
 
-    return fileTell((File*)fileHandle);
+    return fileTell((File*)intToPtr(fileHandle));
 }
 
 // 0x451A70
@@ -1633,7 +1634,7 @@ long gameSoundFileTell(int handle)
         return -1;
     }
 
-    return fileTell((File*)handle);
+    return fileTell((File*)intToPtr(handle));
 }
 
 // 0x451A7C
@@ -1643,7 +1644,7 @@ long gameSoundFileGetSize(int handle)
         return -1;
     }
 
-    return fileGetSize((File*)handle);
+    return fileGetSize((File*)intToPtr(handle));
 }
 
 // 0x451A88

src/interpreter.h

@@ -3,6 +3,8 @@
 
 #include <setjmp.h>
 
+#include <vector>
+
 // The maximum number of opcodes.
 #define OPCODE_MAX_COUNT (342)
 
@@ -119,6 +121,7 @@ enum RawValueType {
 #define VALUE_TYPE_FLOAT 0xA001
 #define VALUE_TYPE_STRING 0x9001
 #define VALUE_TYPE_DYNAMIC_STRING 0x9801
+#define VALUE_TYPE_PTR 0xE001
 
 typedef unsigned short opcode_t;
 
@@ -131,6 +134,19 @@ typedef struct Procedure {
     int field_14;
 } Procedure;
 
+typedef struct ProgramValue {
+    opcode_t opcode;
+    union {
+        int integerValue;
+        float floatValue;
+        void* pointerValue;
+    };
+
+    bool isEmpty();
+} ProgramValue;
+
+typedef std::vector<ProgramValue> ProgramStack;
+
 // It's size in original code is 144 (0x8C) bytes due to the different
 // size of `jmp_buf`.
 typedef struct Program {
@@ -141,10 +157,6 @@ typedef struct Program {
     int instructionPointer; // current pos in data
     int framePointer; // saved stack 1 pos - probably beginning of local variables - probably called base
     int basePointer; // saved stack 1 pos - probably beginning of global variables
-    unsigned char* stack; // stack 1 (4096 bytes)
-    unsigned char* returnStack; // stack 2 (4096 bytes)
-    int stackPointer; // stack pointer 1
-    int returnStackPointer; // stack pointer 2
     unsigned char* staticStrings; // static strings table
     unsigned char* dynamicStrings; // dynamic strings table
     unsigned char* identifiers;
@@ -157,6 +169,8 @@ typedef struct Program {
     int flags; // flags
     int field_84;
     bool exited;
+    ProgramStack* stackValues;
+    ProgramStack* returnStackValues;
 } Program;
 
 typedef void OpcodeHandler(Program* program);
@@ -168,10 +182,6 @@ void _interpretOutputFunc(int (*func)(char*));
 int _interpretOutput(const char* format, ...);
 [[noreturn]] void programFatalError(const char* str, ...);
 void programPopString(Program* program, opcode_t a2, int a3);
-void programStackPushInt16(Program* program, int value);
-void programStackPushInt32(Program* program, int value);
-opcode_t programStackPopInt16(Program* program);
-int programStackPopInt32(Program* program);
 Program* programCreateByPath(const char* path);
 char* programGetString(Program* program, opcode_t opcode, int offset);
 char* programGetIdentifier(Program* program, int offset);
@@ -187,4 +197,24 @@ void _updatePrograms();
 void programListFree();
 void interpreterRegisterOpcode(int opcode, OpcodeHandler* handler);
 
+void programStackPushValue(Program* program, ProgramValue& programValue);
+void programStackPushInteger(Program* program, int value);
+void programStackPushFloat(Program* program, float value);
+void programStackPushString(Program* program, char* string);
+void programStackPushPointer(Program* program, void* value);
+
+ProgramValue programStackPopValue(Program* program);
+int programStackPopInteger(Program* program);
+float programStackPopFloat(Program* program);
+char* programStackPopString(Program* program);
+void* programStackPopPointer(Program* program);
+
+void programReturnStackPushValue(Program* program, ProgramValue& programValue);
+void programReturnStackPushInteger(Program* program, int value);
+void programReturnStackPushPointer(Program* program, void* value);
+
+ProgramValue programReturnStackPopValue(Program* program);
+int programReturnStackPopInteger(Program* program);
+void* programReturnStackPopPointer(Program* program);
+
 #endif /* INTERPRETER_H */

src/movie.cc

@@ -11,6 +11,7 @@
 #include "movie_effect.h"
 #include "movie_lib.h"
 #include "platform_compat.h"
+#include "pointer_registry.h"
 #include "sound.h"
 #include "text_font.h"
 #include "window_manager.h"
@@ -172,6 +173,7 @@ static File* _alphaHandle;
 static unsigned char* _alphaBuf;
 
 static SDL_Surface* gMovieSdlSurface = NULL;
+static int gMovieFileStreamPointerKey = 0;
 
 // 0x4865FC
 static void* movieMallocImpl(size_t size)
@@ -188,7 +190,7 @@ static void movieFreeImpl(void* ptr)
 // 0x48662C
 static bool movieReadImpl(int fileHandle, void* buf, int count)
 {
-    return fileRead(buf, 1, count, (File*)fileHandle) == count;
+    return fileRead(buf, 1, count, (File*)intToPtr(fileHandle)) == count;
 }
 
 // 0x486654
@@ -704,6 +706,8 @@ static int _movieStart(int win, char* filePath, int (*a3)())
         return 1;
     }
 
+    gMovieFileStreamPointerKey = ptrToInt(gMovieFileStream);
+
     gMovieWindow = win;
     _running = 1;
     gMovieFlags &= ~MOVIE_EXTENDED_FLAG_0x01;
@@ -731,7 +735,7 @@ static int _movieStart(int win, char* filePath, int (*a3)())
         v15 = 0;
     }
 
-    _MVE_rmPrepMovie((int)gMovieFileStream, v15, v16, v17);
+    _MVE_rmPrepMovie(gMovieFileStreamPointerKey, v15, v16, v17);
 
     if (_movieScaleFlag) {
         debugPrint("scaled\n");

src/pointer_registry.cc

@@ -0,0 +1,41 @@
+#include "pointer_registry.h"
+
+PointerRegistry* PointerRegistry::shared()
+{
+    static PointerRegistry* shared = new PointerRegistry();
+    return shared;
+}
+
+PointerRegistry::PointerRegistry()
+{
+    // 0 is reserved for nullptr, so start with 1.
+    _next = 1;
+}
+
+int PointerRegistry::store(void* ptr)
+{
+    if (ptr == nullptr) return 0;
+    int ref = _next++;
+    _map[ref] = ptr;
+    return ref;
+}
+
+void* PointerRegistry::fetch(int ref, bool remove)
+{
+    if (ref == 0) return nullptr;
+    void* ptr = _map[ref];
+    if (remove) {
+        _map.erase(ref);
+    }
+    return ptr;
+}
+
+int ptrToInt(void* ptr)
+{
+    return PointerRegistry::shared()->store(ptr);
+}
+
+void* intToPtr(int ref, bool remove)
+{
+    return PointerRegistry::shared()->fetch(ref, remove);
+}

src/pointer_registry.h

@@ -0,0 +1,23 @@
+#ifndef POINTER_REGISTRY_H
+#define POINTER_REGISTRY_H
+
+#include <unordered_map>
+
+class PointerRegistry {
+public:
+    static PointerRegistry* shared();
+
+    PointerRegistry();
+
+    int store(void* ptr);
+    void* fetch(int ref, bool remove = false);
+
+private:
+    std::unordered_map<int, void*> _map;
+    int _next;
+};
+
+int ptrToInt(void* ptr);
+void* intToPtr(int ref, bool remove = false);
+
+#endif /* POINTER_REGISTRY_H */

src/sound_decoder.cc

@@ -193,7 +193,7 @@ static int _ReadBand_Fmt3_16_(SoundDecoder* soundDecoder, int offset, int bits)
     int v14;
 
     short* base = (short*)_AudioDecoder_scale0;
-    base += UINT_MAX << (bits - 1);
+    base += (int)(UINT_MAX << (bits - 1));
 
     int* p = (int*)soundDecoder->field_34;
     p += offset;

src/sound_effects_list.cc

@@ -4,6 +4,7 @@
 #include "debug.h"
 #include "memory.h"
 #include "platform_compat.h"
+#include "pointer_registry.h"
 #include "sound_decoder.h"
 
 #include <limits.h>
@@ -421,13 +422,16 @@ static int soundEffectsListPopulateFileSizes()
                     return 1;
                 }
 
+                int fileHandle = ptrToInt((void*)stream);
+
                 int v1;
                 int v2;
                 int v3;
-                SoundDecoder* soundDecoder = soundDecoderInit(_sfxl_ad_reader, (int)stream, &v1, &v2, &v3);
+                SoundDecoder* soundDecoder = soundDecoderInit(_sfxl_ad_reader, fileHandle, &v1, &v2, &v3);
                 entry->dataSize = 2 * v3;
                 soundDecoderFree(soundDecoder);
                 fileClose(stream);
+                intToPtr(fileHandle, true);
             }
             break;
         default:
@@ -464,5 +468,5 @@ static int soundEffectsListCompareByName(const void* a1, const void* a2)
 // read via xfile
 static int _sfxl_ad_reader(int fileHandle, void* buf, unsigned int size)
 {
-    return fileRead(buf, 1, size, (File*)fileHandle);
+    return fileRead(buf, 1, size, (File*)intToPtr(fileHandle));
 }

src/window_manager.cc

@@ -5,6 +5,8 @@
 #include "debug.h"
 #include "draw.h"
 #include "memory.h"
+#include "palette.h"
+#include "pointer_registry.h"
 #include "text_font.h"
 #include "win32.h"
 #include "window_manager_private.h"
@@ -1311,7 +1313,7 @@ int paletteOpenFileImpl(const char* path, int flags)
 
     File* stream = fileOpen(path, mode);
     if (stream != NULL) {
-        return (int)stream;
+        return ptrToInt(stream);
     }
 
     return -1;
@@ -1322,7 +1324,7 @@ int paletteOpenFileImpl(const char* path, int flags)
 // 0x4D81E8
 int paletteReadFileImpl(int fd, void* buf, size_t count)
 {
-    return fileRead(buf, 1, count, (File*)fd);
+    return fileRead(buf, 1, count, (File*)intToPtr(fd));
 }
 
 // [close] implementation for palette file operations backed by [XFile].
@@ -1330,7 +1332,7 @@ int paletteReadFileImpl(int fd, void* buf, size_t count)
 // 0x4D81E0
 int paletteCloseFileImpl(int fd)
 {
-    return fileClose((File*)fd);
+    return fileClose((File*)intToPtr(fd));
 }
 
 // 0x4D8200