3 files changed, 41 insertions, 0 deletions
diff --git a/src/code/flg_set.c b/src/code/flg_set.c
index 5a4ab25fe..04167c2ec 100644
--- a/src/code/flg_set.c
+++ b/src/code/flg_set.c
@@ -1,5 +1,10 @@
 #include "global.h"
 
+typedef struct {
+    /* 0x00 */ u16* value;
+    /* 0x04 */ const char* name;
+} FlagSetEntry; // size = 0x08
+
 void FlagSet_Update(PlayState* play) {
     static s32 entryIdx = 0;
     static u32 curBit = 0;
diff --git a/src/code/speed_meter.c b/src/code/speed_meter.c
index 5d38d65bf..dc1bc0596 100644
--- a/src/code/speed_meter.c
+++ b/src/code/speed_meter.c
@@ -56,6 +56,13 @@ volatile OSTime D_8016A578;
 // Accumulator for `gRDPTimeTotal`
 volatile OSTime gRDPTimeAcc;
 
+typedef struct {
+    /* 0x00 */ volatile OSTime* time;
+    /* 0x04 */ u8 x;
+    /* 0x05 */ u8 y;
+    /* 0x06 */ u16 color;
+} SpeedMeterTimeEntry; // size = 0x08
+
 SpeedMeterTimeEntry* sSpeedMeterTimeEntryPtr;
 
 SpeedMeterTimeEntry sSpeedMeterTimeEntryArray[] = {
diff --git a/src/code/ucode_disas.c b/src/code/ucode_disas.c
index bd3e8662a..10bffd767 100644
--- a/src/code/ucode_disas.c
+++ b/src/code/ucode_disas.c
@@ -1,5 +1,34 @@
 #include "global.h"
 
+typedef struct {
+    /* 0x00 */ u32 value;
+    /* 0x04 */ const char* name;
+} F3dzexConst; // size = 0x8
+
+typedef struct {
+    /* 0x00 */ u32 value;
+    /* 0x04 */ const char* setName;
+    /* 0x08 */ const char* unsetName;
+} F3dzexFlag; // size = 0x0C
+
+typedef struct {
+    /* 0x00 */ const char* name;
+    /* 0x04 */ u32 value;
+    /* 0x08 */ u32 mask;
+} F3dzexRenderMode; // size = 0x0C
+
+typedef struct {
+    /* 0x00 */ const char* name;
+    /* 0x04 */ u32 value;
+} F3dzexSetModeMacroValue; // size = 0x8
+
+typedef struct {
+    /* 0x00 */ const char* name;
+    /* 0x04 */ u32 shift;
+    /* 0x08 */ u32 len;
+    /* 0x0C */ F3dzexSetModeMacroValue values[4];
+} F3dzexSetModeMacro; // size = 0x2C
+
 typedef void (*UcodeDisasCallback)(UCodeDisas*, u32);
 
 #define F3DZEX_CONST(name) \