diff --git a/src/cpu_type.h b/src/cpu_type.h
new file mode 100644
index 0000000..138b7fe
--- /dev/null
+++ b/src/cpu_type.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#ifdef WIN32
+	#define DL_INT_SIZE int32_t
+#endif
+#ifdef WIN64
+	#define DL_INT_SIZE int64_t
+#endif
\ No newline at end of file
diff --git a/src/decomp/game/object_stuff.c b/src/decomp/game/object_stuff.c
index f5e1bdc..e0f4615 100644
--- a/src/decomp/game/object_stuff.c
+++ b/src/decomp/game/object_stuff.c
@@ -81,8 +81,12 @@ static struct Object *allocate_object(void) {
     obj->numCollidedObjs = 0;
 
     for (i = 0; i < 0x50; i++) {
+#ifdef _WIN32
         obj->rawData.asS32[i] = 0;
+#endif
+#ifdef _WIN64
         obj->ptrData.asVoidPtr[i] = NULL;
+#endif
     }
 
     obj->unused1 = 0;
diff --git a/src/gfx_adapter.c b/src/gfx_adapter.c
index 9265b0e..3698c2b 100644
--- a/src/gfx_adapter.c
+++ b/src/gfx_adapter.c
@@ -7,6 +7,7 @@
 #include "gfx_adapter.h"
 #include "gfx_adapter_commands.h"
 #include "load_tex_data.h"
+#include "cpu_type.h"
 
 static Mat4 s_curMatrix;
 static float s_curColor[3];
@@ -41,7 +42,7 @@ static void convert_uv_to_atlas( float *atlas_uv_out, short tc[] )
 
 static void process_display_list( void *dl )
 {
-    int64_t *ptr = (int64_t *)dl;
+    DL_INT_SIZE *ptr = (DL_INT_SIZE *)dl;
     Vtx *vdata = NULL;
 
     for( ;; )
@@ -50,19 +51,19 @@ static void process_display_list( void *dl )
         {
             case GFXCMD_VertexData: 
             {
-                UNUSED int64_t v = *ptr++;
-                UNUSED int64_t n = *ptr++;
-                UNUSED int64_t v0 = *ptr++;
+                UNUSED DL_INT_SIZE v = *ptr++;
+                UNUSED DL_INT_SIZE n = *ptr++;
+                UNUSED DL_INT_SIZE v0 = *ptr++;
                 vdata = (Vtx*)v;
                 break;
             }
 
             case GFXCMD_Triangle:
             {
-                int64_t v00 = *ptr++;
-                int64_t v01 = *ptr++;
-                int64_t v02 = *ptr++;
-                UNUSED int64_t flag0 = *ptr++;
+                DL_INT_SIZE v00 = *ptr++;
+                DL_INT_SIZE v01 = *ptr++;
+                DL_INT_SIZE v02 = *ptr++;
+                UNUSED DL_INT_SIZE flag0 = *ptr++;
 
                 short x0 = vdata[v00].v.ob[0], y0 = vdata[v00].v.ob[1], z0 = vdata[v00].v.ob[2];
                 short x1 = vdata[v01].v.ob[0], y1 = vdata[v01].v.ob[1], z1 = vdata[v01].v.ob[2];
@@ -129,8 +130,8 @@ static void process_display_list( void *dl )
 
             case GFXCMD_Light:
             {
-                int64_t l = *ptr++;
-                int64_t n = *ptr++;
+                DL_INT_SIZE l = *ptr++;
+                DL_INT_SIZE n = *ptr++;
 
                 if( n == 1 )
                 {
@@ -145,9 +146,9 @@ static void process_display_list( void *dl )
 
             case GFXCMD_Texture:
             {
-                int64_t s = *ptr++;
-                int64_t t = *ptr++;
-                int64_t on = *ptr++;
+                DL_INT_SIZE s = *ptr++;
+                DL_INT_SIZE t = *ptr++;
+                DL_INT_SIZE on = *ptr++;
 
                 s_scaleS = (uint16_t)s;
                 s_scaleT = (uint16_t)t;
@@ -158,7 +159,7 @@ static void process_display_list( void *dl )
 
             case GFXCMD_SetTextureImage:
             {
-                int64_t i = *ptr++;
+                DL_INT_SIZE i = *ptr++;
 
                 s_textureIndex = (int)i;
                 s_texWidth = mario_tex_widths[s_textureIndex];
@@ -169,8 +170,8 @@ static void process_display_list( void *dl )
 
             case GFXCMD_SetTileSize:
             {
-                int64_t uls = *ptr++;
-                int64_t ult = *ptr++;
+                DL_INT_SIZE uls = *ptr++;
+                DL_INT_SIZE ult = *ptr++;
                 ptr++; // lrs
                 ptr++; // lrt
 
@@ -182,7 +183,7 @@ static void process_display_list( void *dl )
 
             case GFXCMD_SubDisplayList:
             {
-                int64_t dl = *ptr++;
+                DL_INT_SIZE dl = *ptr++;
                 process_display_list( (void*)dl );
                 break;
             }
diff --git a/src/gfx_macros.h b/src/gfx_macros.h
index 35b2988..e85bb65 100644
--- a/src/gfx_macros.h
+++ b/src/gfx_macros.h
@@ -2,6 +2,7 @@
 
 #include "decomp/include/types.h"
 #include "gfx_adapter_commands.h"
+#include "cpu_type.h"
 
 /*
  * Vertex (set up for use with colors)
@@ -74,11 +75,13 @@ typedef struct {
 #define	G_OFF                 0
 #define	G_TEXTURE_IMAGE_FRAC  2
 
+typedef DL_INT_SIZE Gfx;
+
 #define gdSPDefLights1(ar,ag,ab,r1,g1,b1,x1,y1,z1) {{{ {ar,ag,ab},0,{ar,ag,ab},0}}, {{{ {r1,g1,b1},0,{r1,g1,b1},0,{x1,y1,z1},0}}} }
 
 #define gsSPVertex(v, n, v0) \
     GFXCMD_VertexData, \
-    (int64_t)v, n, v0
+    (DL_INT_SIZE)v, n, v0
 
 #define gsSP2Triangles(v00, v01, v02, flag0, v10, v11, v12, flag1) \
     GFXCMD_Triangle, \
@@ -95,11 +98,11 @@ typedef struct {
 
 #define gsSPDisplayList(dl) \
     GFXCMD_SubDisplayList, \
-    (int64_t)dl
+    (DL_INT_SIZE)dl
 
 #define gsSPLight(l, n) \
     GFXCMD_Light, \
-    (int64_t)l, n
+    (DL_INT_SIZE)l, n
 
 #define gsSPTexture(s, t, level, tile, on) \
     GFXCMD_Texture, \
@@ -123,6 +126,4 @@ typedef struct {
 #define gsDPTileSync() (GFXCMD_None)
 #define gsDPSetTile(fmt, siz, line, tmem, tile, palette, cmt, maskt, shiftt, cms, masks, shifts) (GFXCMD_None)
 #define gsDPLoadBlock(tile, uls, ult, lrs, dxt) (GFXCMD_None)
-#define gsDPLoadSync() (GFXCMD_None)
-
-typedef int64_t Gfx;
\ No newline at end of file
+#define gsDPLoadSync() (GFXCMD_None)
\ No newline at end of file