diff --git a/sc2/src/uqm/Makeinfo b/sc2/src/uqm/Makeinfo
index aaee0cc99..92081201a 100644
--- a/sc2/src/uqm/Makeinfo
+++ b/sc2/src/uqm/Makeinfo
@@ -3,17 +3,13 @@ uqm_CFILES="battle.c battlecontrols.c border.c build.c cleanup.c clock.c
 		cnctdlg.c collide.c comm.c commanim.c commglue.c confirm.c credits.c
 		cyborg.c demo.c displist.c dummy.c encount.c flash.c fmv.c galaxy.c
 		gameev.c gameinp.c gameopt.c gendef.c getchar.c globdata.c gravity.c
-		cons_res.c grpinfo.c hyper.c init.c intel.c intro.c ipdisp.c
+		cons_res.c grpinfo.c hyper.c init.c intel.c intro.c ipdisp.c load.c
+		load_legacy.c
 		loadship.c master.c menu.c misc.c oscill.c outfit.c pickship.c
-		plandata.c process.c restart.c
-		settings.c setup.c setupmenu.c
+		plandata.c process.c restart.c save.c settings.c setup.c setupmenu.c
 		ship.c shipstat.c shipyard.c sis.c sounds.c starbase.c starcon.c
 		starmap.c state.c status.c tactrans.c trans.c uqmdebug.c util.c
-		velocity.c weapon.c
-		"
-		#save.c
-		#load.c
-		#load_legacy.c
+		velocity.c weapon.c"
 uqm_HFILES="battlecontrols.h battle.h build.h clock.h cnctdlg.h coderes.h
 		collide.h colors.h commanim.h commglue.h comm.h cons_res.h controls.h
 		corecode.h credits.h demo.h displist.h dummy.h element.h encount.h
@@ -26,7 +22,5 @@ uqm_HFILES="battlecontrols.h battle.h build.h clock.h cnctdlg.h coderes.h
 		starmap.h
 		units.h uqmdebug.h util.h velocity.h weapon.h"
 uqm_CXXFILES="
-		gamestate-modern.cpp
-		load-modern.cpp
 		cxxlist.cpp
 		"
diff --git a/sc2/src/uqm/comm.c b/sc2/src/uqm/comm.c
index 0d8b9685e..ff2818c43 100644
--- a/sc2/src/uqm/comm.c
+++ b/sc2/src/uqm/comm.c
@@ -1257,7 +1257,7 @@ HailAlien (void)
 			else
 			{	// Default titles: star name + planet name
 				DrawSISMessage (NULL);
-				DrawSISTitle (GET_GAME_STATE_STRING (SIS.PlanetName));
+				DrawSISTitle (GLOBAL_SIS (PlanetName));
 			}
 		}
 
@@ -1332,7 +1332,7 @@ InitCommunication (CONVERSATION which_comm)
 			else if (GLOBAL (ip_planet) == 0)
 				DrawHyperCoords (CurStarDescPtr->star_pt);
 			else
-				DrawSISTitle (GET_GAME_STATE_STRING (SIS.PlanetName));
+				DrawSISTitle (GLOBAL_SIS (PlanetName));
 		}
 	}
 
@@ -1459,7 +1459,7 @@ RaceCommunication (void)
 		CloneShipFragment (SAMATRA_SHIP, &GLOBAL (npc_built_ship_q), 0);
 		InitCommunication (TALKING_PET_CONVERSATION);
 		if (!(GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
-				&& GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0)
+				&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
 		{
 			GLOBAL (CurrentActivity) = WON_LAST_BATTLE;
 		}
@@ -1481,7 +1481,7 @@ RaceCommunication (void)
 			InitCommunication (ILWRATH_CONVERSATION);
 		else
 			InitCommunication (CHMMR_CONVERSATION);
-		if (GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0)
+		if (GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
 		{
 			NextActivity = GLOBAL (CurrentActivity) & ~START_ENCOUNTER;
 			if (LOBYTE (NextActivity) == IN_INTERPLANETARY)
diff --git a/sc2/src/uqm/comm/chmmr/chmmrc.c b/sc2/src/uqm/comm/chmmr/chmmrc.c
index bf9c5d49b..1b35fc0d3 100644
--- a/sc2/src/uqm/comm/chmmr/chmmrc.c
+++ b/sc2/src/uqm/comm/chmmr/chmmrc.c
@@ -140,7 +140,7 @@ ExitConversation (RESPONSE_REF R)
 		SET_GAME_STATE (CHMMR_STACK, 0);
 		SET_GAME_STATE (CHMMR_BOMB_STATE, 2);
 		SET_GAME_STATE (UTWIG_BOMB_ON_SHIP, 0);
-		SET_GAME_STATE (SIS.ResUnits, 1000000L);
+		GLOBAL_SIS (ResUnits) = 1000000L;
 		GLOBAL_SIS (NumLanders) = 0;
 		GLOBAL (ModuleCost[PLANET_LANDER]) = 0;
 
@@ -167,9 +167,9 @@ ExitConversation (RESPONSE_REF R)
 
 		if (GET_GAME_STATE (STARBASE_AVAILABLE))
 		{	/* Normal game mode - you are transported to Starbase */
-			SET_GAME_STATE (SIS.FuelOnBoard, FUEL_RESERVE);
-			SET_GAME_STATE (SIS.CrewEnlisted, 0);
-			SET_GAME_STATE (SIS.TotalElementMass, 0);
+			GLOBAL_SIS (FuelOnBoard) = FUEL_RESERVE;
+			GLOBAL_SIS (CrewEnlisted) = 0;
+			GLOBAL_SIS (TotalElementMass) = 0;
 			GLOBAL (ModuleCost[STORAGE_BAY]) = 0; /* disable Storage Bay */
 			for (i = 0; i < NUM_ELEMENT_CATEGORIES; ++i)
 				GLOBAL_SIS (ElementAmounts[i]) = 0;
@@ -593,9 +593,9 @@ Intro (void)
 
 				construct_response (shared_phrase_buf,
 						i_am_captain0,
-						GET_GAME_STATE_STRING (SIS.CommanderName),
+						GLOBAL_SIS (CommanderName),
 						i_am_captain1,
-						GET_GAME_STATE_STRING (SIS.ShipName),
+						GLOBAL_SIS (ShipName),
 						i_am_captain2,
 						(UNICODE*)NULL);
 				DoResponsePhrase (i_am_captain0, ChmmrFree, shared_phrase_buf);
diff --git a/sc2/src/uqm/comm/comandr/comandr.c b/sc2/src/uqm/comm/comandr/comandr.c
index 7a7c75daa..57df233be 100644
--- a/sc2/src/uqm/comm/comandr/comandr.c
+++ b/sc2/src/uqm/comm/comandr/comandr.c
@@ -145,7 +145,7 @@ ByeBye (RESPONSE_REF R)
 
 		construct_response (shared_phrase_buf,
 				name_40,
-				GET_GAME_STATE_STRING (SIS.CommanderName),
+				GLOBAL_SIS (CommanderName),
 				name_41,
 				(UNICODE*)NULL);
 
@@ -265,7 +265,7 @@ NoRadioactives (RESPONSE_REF R)
 				else
 					Response (i_lost_my_lander, NoRadioactives);
 			}
-			if (GET_GAME_STATE (SIS.FuelOnBoard) < 2 * FUEL_TANK_SCALE)
+			if (GLOBAL_SIS (FuelOnBoard) < 2 * FUEL_TANK_SCALE)
 			{
 				if (GET_GAME_STATE (GIVEN_FUEL_BEFORE))
 					Response (need_fuel_again, NoRadioactives);
@@ -330,7 +330,7 @@ AskAfterRadios (RESPONSE_REF R)
 			else
 				Response (i_lost_my_lander, AskAfterRadios);
 		}
-		if (GET_GAME_STATE (SIS.FuelOnBoard) < 2 * FUEL_TANK_SCALE)
+		if (GLOBAL_SIS (FuelOnBoard) < 2 * FUEL_TANK_SCALE)
 		{
 			if (GET_GAME_STATE (GIVEN_FUEL_BEFORE))
 				Response (need_fuel_again, AskAfterRadios);
@@ -431,7 +431,7 @@ TellMoonBase (RESPONSE_REF R)
 		else
 			Response (i_lost_my_lander, TellMoonBase);
 	}
-	if (GET_GAME_STATE (SIS.FuelOnBoard) < 2 * FUEL_TANK_SCALE)
+	if (GLOBAL_SIS (FuelOnBoard) < 2 * FUEL_TANK_SCALE)
 	{
 		if (GET_GAME_STATE (GIVEN_FUEL_BEFORE))
 			Response (need_fuel_again, TellMoonBase);
@@ -538,9 +538,9 @@ RevealSelf (RESPONSE_REF R)
 			{
 				construct_response (shared_phrase_buf,
 						we_are_vindicator0,
-						GET_GAME_STATE_STRING (SIS.CommanderName),
+						GLOBAL_SIS (CommanderName),
 						we_are_vindicator1,
-						GET_GAME_STATE_STRING (SIS.ShipName),
+						GLOBAL_SIS (ShipName),
 						we_are_vindicator2,
 						(UNICODE*)NULL);
 				DoResponsePhrase (we_are_vindicator0, RevealSelf, shared_phrase_buf);
@@ -639,7 +639,7 @@ Intro (void)
 		construct_response (
 				shared_phrase_buf,
 				no_but_well_help0,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				no_but_well_help1,
 				(UNICODE*)NULL);
 		DoResponsePhrase (no_but_well_help0, NoRadioactives, shared_phrase_buf);
diff --git a/sc2/src/uqm/comm/druuge/druugec.c b/sc2/src/uqm/comm/druuge/druugec.c
index 7028b7bcc..9a082c115 100644
--- a/sc2/src/uqm/comm/druuge/druugec.c
+++ b/sc2/src/uqm/comm/druuge/druugec.c
@@ -182,12 +182,12 @@ ExitConversation (RESPONSE_REF R)
 				if (SlaveryCount > 250 && PreviousSlaves <= 250)
 				{
 					if (PreviousSlaves > 100)
-						SET_GAME_STATE (CrewCost, GET_GAME_STATE(CrewCost) + 22 - 7);
+						GLOBAL (CrewCost) += (22 - 7);
 					else
-						SET_GAME_STATE (CrewCost, GET_GAME_STATE (CrewCost) + 22);
+						GLOBAL (CrewCost) += 22;
 				}
 				else if (SlaveryCount > 100 && PreviousSlaves <= 100)
-					SET_GAME_STATE (CrewCost, GET_GAME_STATE (CrewCost) + 7);
+					GLOBAL (CrewCost) += 7;
 
 				SET_GAME_STATE (CREW_SOLD_TO_DRUUGE0, LOBYTE (SlaveryCount));
 				SET_GAME_STATE (CREW_SOLD_TO_DRUUGE1, HIBYTE (SlaveryCount));
@@ -238,7 +238,7 @@ Buy (RESPONSE_REF R)
 	else if (PLAYER_SAID (R, buy_druuge_ship))
 	{
 #define SHIP_CREW_COST 100
-		if (GET_GAME_STATE (SIS.CrewEnlisted) < SHIP_CREW_COST)
+		if (GLOBAL_SIS (CrewEnlisted) < SHIP_CREW_COST)
 			NPCPhrase (NOT_ENOUGH_CREW);
 		else if (EscortFeasibilityStudy (DRUUGE_SHIP) == 0)
 			NPCPhrase (NOT_ENOUGH_ROOM);
@@ -254,7 +254,7 @@ Buy (RESPONSE_REF R)
 #define ARTIFACT_CREW_COST 100
 	else if (PLAYER_SAID (R, buy_rosy_sphere))
 	{
-		if (GET_GAME_STATE (SIS.CrewEnlisted) < ARTIFACT_CREW_COST)
+		if (GLOBAL_SIS (CrewEnlisted) < ARTIFACT_CREW_COST)
 			NPCPhrase (NOT_ENOUGH_CREW);
 		else
 		{
@@ -268,7 +268,7 @@ Buy (RESPONSE_REF R)
 	}
 	else if (PLAYER_SAID (R, buy_art_1))
 	{
-		if (GET_GAME_STATE (SIS.CrewEnlisted) < ARTIFACT_CREW_COST)
+		if (GLOBAL_SIS (CrewEnlisted) < ARTIFACT_CREW_COST)
 			NPCPhrase (NOT_ENOUGH_CREW);
 		else
 		{
@@ -281,7 +281,7 @@ Buy (RESPONSE_REF R)
 	}
 	else if (PLAYER_SAID (R, buy_art_2))
 	{
-		if (GET_GAME_STATE (SIS.CrewEnlisted) < ARTIFACT_CREW_COST)
+		if (GLOBAL_SIS (CrewEnlisted) < ARTIFACT_CREW_COST)
 			NPCPhrase (NOT_ENOUGH_CREW);
 		else
 		{
@@ -295,7 +295,7 @@ Buy (RESPONSE_REF R)
 	else if (PLAYER_SAID (R, buy_fuel))
 	{
 #define FUEL_CREW_COST 10
-		if (GET_GAME_STATE (SIS.CrewEnlisted) < FUEL_CREW_COST)
+		if (GLOBAL_SIS (CrewEnlisted) < FUEL_CREW_COST)
 			NPCPhrase (NOT_ENOUGH_CREW);
 		else
 		{
@@ -453,7 +453,7 @@ DoTransaction (RESPONSE_REF R)
 					capacity += volume;
 				}
 			} while (slot--);
-			capacity -= GET_GAME_STATE (SIS.FuelOnBoard);
+			capacity -= GLOBAL_SIS (FuelOnBoard);
 			f = (COUNT)((capacity + (FUEL_TANK_SCALE >> 1)) / FUEL_TANK_SCALE);
 
 			while (capacity > 0x3FFFL)
diff --git a/sc2/src/uqm/comm/melnorm/melnorm.c b/sc2/src/uqm/comm/melnorm/melnorm.c
index b8fddf588..00b6a0727 100644
--- a/sc2/src/uqm/comm/melnorm/melnorm.c
+++ b/sc2/src/uqm/comm/melnorm/melnorm.c
@@ -236,36 +236,32 @@ typedef enum
 // Define the information specifying a particular technology
 typedef struct
 {
-	TechId_t    id;      // ID of the technology
-	TechType_t  type;    // Type of the technology
-	const char *subtype; // Subtype of the technology
-	int         info;    // Supplemental information
+	TechId_t   id;      // ID of the technology
+	TechType_t type;    // Type of the technology
+	int        subtype; // Subtype of the technology
+	int        info;    // Supplemental information
 } TechData;
 
-#define TECH_DATA( id, type, subtype, info ) { id, type, "HaveTech"#subtype, info }
-
 
 // A table of the available technologies.
 // This should really be an associative map of TechIds to tech data records,
 // but implementing that would be excessive.
 static const TechData tech_data_table[] = 
 {
-	// TODO: Scoop the prices out of here, and make the rest of the game start respecting the
-	// string-based game states.  (I think prices even should go in there, eventually.)
 	// Tech ID                      Tech Type,               Supplemental info
-	TECH_DATA( TECH_MODULE_BLASTER,          TECH_TYPE_MODULE,        BLASTER_WEAPON,        4000 ),
-	TECH_DATA( TECH_LANDER_SPEED,            TECH_TYPE_STATE,         IMPROVED_LANDER_SPEED,    1 ),
-	TECH_DATA( TECH_MODULE_ANTIMISSILE,      TECH_TYPE_MODULE,        ANTIMISSILE_DEFENSE,   4000 ),
-	TECH_DATA( TECH_LANDER_SHIELD_BIO,       TECH_TYPE_LANDER_SHIELD, LANDER_SHIELD_BIO,       -1 ),
-	TECH_DATA( TECH_LANDER_CARGO,            TECH_TYPE_STATE,         IMPROVED_LANDER_CARGO,    1 ),
-	TECH_DATA( TECH_MODULE_BIGFUELTANK,      TECH_TYPE_MODULE,        HIGHEFF_FUELSYS,       1000 ),
-	TECH_DATA( TECH_LANDER_RAPIDFIRE,        TECH_TYPE_STATE,         IMPROVED_LANDER_SHOT,     1 ),
-	TECH_DATA( TECH_LANDER_SHIELD_QUAKE,     TECH_TYPE_LANDER_SHIELD, LANDER_SHIELD_QUAKE,     -1 ),
-	TECH_DATA( TECH_MODULE_TRACKING,         TECH_TYPE_MODULE,        TRACKING_SYSTEM,       5000 ),
-	TECH_DATA( TECH_LANDER_SHIELD_LIGHTNING, TECH_TYPE_LANDER_SHIELD, LANDER_SHIELD_LIGHTNING, -1 ),
-	TECH_DATA( TECH_LANDER_SHIELD_HEAT,      TECH_TYPE_LANDER_SHIELD, LANDER_SHIELD_HEAT,      -1 ),
-	TECH_DATA( TECH_MODULE_CANNON,           TECH_TYPE_MODULE,        CANNON_WEAPON,         6000 ),
-	TECH_DATA( TECH_MODULE_FURNACE,          TECH_TYPE_MODULE,        SHIVA_FURNACE,         4000 ),
+	{ TECH_MODULE_BLASTER,          TECH_TYPE_MODULE,        BLASTER_WEAPON,        4000 },
+	{ TECH_LANDER_SPEED,            TECH_TYPE_STATE,         IMPROVED_LANDER_SPEED,    1 },
+	{ TECH_MODULE_ANTIMISSILE,      TECH_TYPE_MODULE,        ANTIMISSILE_DEFENSE,   4000 },
+	{ TECH_LANDER_SHIELD_BIO,       TECH_TYPE_LANDER_SHIELD, BIOLOGICAL_DISASTER,     -1 },
+	{ TECH_LANDER_CARGO,            TECH_TYPE_STATE,         IMPROVED_LANDER_CARGO,    1 },
+	{ TECH_MODULE_BIGFUELTANK,      TECH_TYPE_MODULE,        HIGHEFF_FUELSYS,       1000 },
+	{ TECH_LANDER_RAPIDFIRE,        TECH_TYPE_STATE,         IMPROVED_LANDER_SHOT,     1 },
+	{ TECH_LANDER_SHIELD_QUAKE,     TECH_TYPE_LANDER_SHIELD, EARTHQUAKE_DISASTER,     -1 },
+	{ TECH_MODULE_TRACKING,         TECH_TYPE_MODULE,        TRACKING_SYSTEM,       5000 },
+	{ TECH_LANDER_SHIELD_LIGHTNING, TECH_TYPE_LANDER_SHIELD, LIGHTNING_DISASTER,      -1 },
+	{ TECH_LANDER_SHIELD_HEAT,      TECH_TYPE_LANDER_SHIELD, LAVASPOT_DISASTER,       -1 },
+	{ TECH_MODULE_CANNON,           TECH_TYPE_MODULE,        CANNON_WEAPON,         6000 },
+	{ TECH_MODULE_FURNACE,          TECH_TYPE_MODULE,        SHIVA_FURNACE,         4000 },
 };
 const size_t NUM_TECHNOLOGIES = ARRAY_SIZE (tech_data_table);
 
@@ -286,15 +282,35 @@ GetTechData (TechId_t techId)
 // We have to explicitly switch on the state ID because the xxx_GAME_STATE
 // macros use preprocessor stringizing.
 static bool
-HasStateTech (const char *const stateId)
+HasStateTech (int stateId)
 {
-	return getGameState_json(stateId);
+	switch (stateId)
+	{
+		case IMPROVED_LANDER_SPEED:
+			return GET_GAME_STATE (IMPROVED_LANDER_SPEED);
+		case IMPROVED_LANDER_CARGO:
+			return GET_GAME_STATE (IMPROVED_LANDER_CARGO);
+		case IMPROVED_LANDER_SHOT:
+			return GET_GAME_STATE (IMPROVED_LANDER_SHOT);
+	}
+	return false;
 }
 
 static void
-GrantStateTech (const char *const stateId)
+GrantStateTech (int stateId, BYTE value)
 {
-	setGameState_json(stateId, true);
+	switch (stateId)
+	{
+		case IMPROVED_LANDER_SPEED:
+			SET_GAME_STATE (IMPROVED_LANDER_SPEED, value);
+			return;
+		case IMPROVED_LANDER_CARGO:
+			SET_GAME_STATE (IMPROVED_LANDER_CARGO, value);
+			return;
+		case IMPROVED_LANDER_SHOT:
+			SET_GAME_STATE (IMPROVED_LANDER_SHOT, value);
+			return;
+	}
 }
 
 static bool
@@ -304,7 +320,16 @@ HasTech (TechId_t techId)
 	if (!techData)
 		return false;
 
-	return HasStateTech(techData->subtype);
+	switch (techData->type)
+	{
+		case TECH_TYPE_MODULE:
+			return GLOBAL (ModuleCost[techData->subtype]) != 0;
+		case TECH_TYPE_LANDER_SHIELD:
+			return (GET_GAME_STATE (LANDER_SHIELDS) & (1 << techData->subtype)) != 0;
+		case TECH_TYPE_STATE:
+			return HasStateTech (techData->subtype);
+	}
+	return false;
 }
 
 static void
@@ -314,8 +339,21 @@ GrantTech (TechId_t techId)
 	if (!techData)
 		return;
 
-	
-	GrantStateTech (techData->subtype);
+	switch (techData->type)
+	{
+		case TECH_TYPE_MODULE:
+			GLOBAL (ModuleCost[techData->subtype]) = techData->info / MODULE_COST_SCALE;
+			return;
+		case TECH_TYPE_LANDER_SHIELD:
+		{
+			COUNT state = GET_GAME_STATE (LANDER_SHIELDS) | (1 << techData->subtype);
+			SET_GAME_STATE (LANDER_SHIELDS, state);
+			return;
+		}
+		case TECH_TYPE_STATE:
+			GrantStateTech (techData->subtype, techData->info);
+			return;
+	}
 }
 
 
@@ -469,7 +507,7 @@ ShipWorth (void)
 	}
 
 	crew_pods = -(SBYTE)(
-			(GET_GAME_STATE (SIS.CrewEnlisted) + CREW_POD_CAPACITY - 1)
+			(GLOBAL_SIS (CrewEnlisted) + CREW_POD_CAPACITY - 1)
 			/ CREW_POD_CAPACITY
 			);
 	for (i = 0; i < NUM_MODULE_SLOTS; ++i)
@@ -544,7 +582,7 @@ StripShip (COUNT fuel_required)
 	SET_GAME_STATE (MELNORME_RESCUE_REFUSED, 0);
 
 	crew_pods = -(SBYTE)(
-			(GET_GAME_STATE (SIS.CrewEnlisted) + CREW_POD_CAPACITY - 1)
+			(GLOBAL_SIS (CrewEnlisted) + CREW_POD_CAPACITY - 1)
 			/ CREW_POD_CAPACITY
 			);
 	if (fuel_required == 0)
@@ -559,8 +597,8 @@ StripShip (COUNT fuel_required)
 			GLOBAL_SIS (DriveSlots[i]) = EMPTY_SLOT + 0;
 		for (i = 0; i < NUM_JET_SLOTS; ++i)
 			GLOBAL_SIS (JetSlots[i]) = EMPTY_SLOT + 1;
-		if (GET_GAME_STATE (SIS.FuelOnBoard) > FUEL_RESERVE)
-			SET_GAME_STATE (SIS.FuelOnBoard, FUEL_RESERVE);
+		if (GLOBAL_SIS (FuelOnBoard) > FUEL_RESERVE)
+			GLOBAL_SIS (FuelOnBoard) = FUEL_RESERVE;
 		GLOBAL_SIS (TotalBioMass) = 0;
 		GLOBAL_SIS (TotalElementMass) = 0;
 		for (i = 0; i < NUM_ELEMENT_CATEGORIES; ++i)
@@ -969,7 +1007,7 @@ DoBuy (RESPONSE_REF R)
 		else if (PLAYER_SAID (R, buy_25_fuel))
 			needed_credit = 25;
 		else if (PLAYER_SAID (R, fill_me_up))
-			needed_credit = (capacity - GET_GAME_STATE (SIS.FuelOnBoard)
+			needed_credit = (capacity - GLOBAL_SIS (FuelOnBoard)
 					+ FUEL_TANK_SCALE - 1)
 				/ FUEL_TANK_SCALE;
 
@@ -983,7 +1021,7 @@ DoBuy (RESPONSE_REF R)
 		}
 		else
 		{
-			if (GET_GAME_STATE (SIS.FuelOnBoard) / FUEL_TANK_SCALE
+			if (GLOBAL_SIS (FuelOnBoard) / FUEL_TANK_SCALE
 					+ needed_credit > capacity / FUEL_TANK_SCALE)
 			{
 				NPCPhrase (NO_ROOM_FOR_FUEL);
@@ -1009,7 +1047,7 @@ DoBuy (RESPONSE_REF R)
 		if (needed_credit)
 		{
 			DeltaCredit (-needed_credit);
-			if (GET_GAME_STATE (SIS.FuelOnBoard) >= capacity)
+			if (GLOBAL_SIS (FuelOnBoard) >= capacity)
 				goto BuyBuyBuy;
 		}
 TryFuelAgain:
@@ -1120,7 +1158,7 @@ TryFuelAgain:
 			NPCPhrase (WHAT_TO_BUY);
 
 BuyBuyBuy:
-		if (GET_GAME_STATE (SIS.FuelOnBoard) < capacity)
+		if (GLOBAL_SIS (FuelOnBoard) < capacity)
 			Response (buy_fuel, DoBuy);
 		if (GetNextTechForSale ())
 			Response (buy_technology, DoBuy);
@@ -1283,7 +1321,7 @@ NatureOfConversation (RESPONSE_REF R)
 		rainbow_mask >>= 1;
 	}
 
-	if (GET_GAME_STATE (SIS.FuelOnBoard) > 0
+	if (GLOBAL_SIS (FuelOnBoard) > 0
 			|| GLOBAL_SIS (TotalBioMass)
 			|| Credit
 			|| num_new_rainbows)
diff --git a/sc2/src/uqm/comm/orz/orzc.c b/sc2/src/uqm/comm/orz/orzc.c
index 35f4d1f91..72076a67a 100644
--- a/sc2/src/uqm/comm/orz/orzc.c
+++ b/sc2/src/uqm/comm/orz/orzc.c
@@ -542,9 +542,9 @@ OrzNeutral (RESPONSE_REF R)
 	{
 		construct_response (shared_phrase_buf,
 				we_are_vindicator0,
-				GET_GAME_STATE_STRING (SIS.CommanderName),
+				GLOBAL_SIS (CommanderName),
 				we_are_vindicator1,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				we_are_vindicator2,
 				(UNICODE*)NULL);
 		pStr[1] = we_are_vindicator0;
diff --git a/sc2/src/uqm/comm/pkunk/pkunkc.c b/sc2/src/uqm/comm/pkunk/pkunkc.c
index 6dadfd5f3..5db575d4a 100644
--- a/sc2/src/uqm/comm/pkunk/pkunkc.c
+++ b/sc2/src/uqm/comm/pkunk/pkunkc.c
@@ -623,9 +623,9 @@ PkunkHome (RESPONSE_REF R)
 	{
 		construct_response (shared_phrase_buf,
 				we_are_vindicator0,
-				GET_GAME_STATE_STRING (SIS.CommanderName),
+				GLOBAL_SIS (CommanderName),
 				we_are_vindicator1,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				we_are_vindicator2,
 				(UNICODE*)NULL);
 		DoResponsePhrase (we_are_vindicator0, OfferAlliance, shared_phrase_buf);
diff --git a/sc2/src/uqm/comm/shofixt/shofixt.c b/sc2/src/uqm/comm/shofixt/shofixt.c
index 40781550c..e76d8d0a6 100644
--- a/sc2/src/uqm/comm/shofixt/shofixt.c
+++ b/sc2/src/uqm/comm/shofixt/shofixt.c
@@ -351,11 +351,11 @@ RealizeMistake (RESPONSE_REF R)
 		construct_response (
 				shared_phrase_buf,
 				i_am_captain0,
-				GET_GAME_STATE_STRING (SIS.CommanderName),
+				GLOBAL_SIS (CommanderName),
 				i_am_captain1,
 				buf,
 				i_am_captain2,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				i_am_captain3,
 				(UNICODE*)NULL);
 	}
diff --git a/sc2/src/uqm/comm/slyhome/slyhome.c b/sc2/src/uqm/comm/slyhome/slyhome.c
index d3634060c..80cb83979 100644
--- a/sc2/src/uqm/comm/slyhome/slyhome.c
+++ b/sc2/src/uqm/comm/slyhome/slyhome.c
@@ -757,9 +757,9 @@ HomeWorld (RESPONSE_REF R)
 		case 0:
 			construct_response (shared_phrase_buf,
 					we_are_us0,
-					GET_GAME_STATE_STRING (SIS.CommanderName),
+					GLOBAL_SIS (CommanderName),
 					we_are_us1,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					we_are_us2,
 					(UNICODE*)NULL);
 			pStr[0] = we_are_us0;
diff --git a/sc2/src/uqm/comm/spahome/spahome.c b/sc2/src/uqm/comm/spahome/spahome.c
index 053154258..190e3bb38 100644
--- a/sc2/src/uqm/comm/spahome/spahome.c
+++ b/sc2/src/uqm/comm/spahome/spahome.c
@@ -883,9 +883,9 @@ SpathiPassword (RESPONSE_REF R)
 	{
 		construct_response (shared_phrase_buf,
 				we_are_vindicator0,
-				GET_GAME_STATE_STRING (SIS.CommanderName),
+				GLOBAL_SIS (CommanderName),
 				we_are_vindicator1,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				we_are_vindicator2,
 				(UNICODE*)NULL);
 		DoResponsePhrase (we_are_vindicator0, ExitConversation, shared_phrase_buf);
diff --git a/sc2/src/uqm/comm/starbas/starbas.c b/sc2/src/uqm/comm/starbas/starbas.c
index b78eb426a..5f25a2dba 100644
--- a/sc2/src/uqm/comm/starbas/starbas.c
+++ b/sc2/src/uqm/comm/starbas/starbas.c
@@ -664,8 +664,8 @@ AnalyzeCondition (void)
 		num_guns += 2;
 
 	HasMinimum = (num_thrusters >= 7 && num_jets >= 5
-			&& GET_GAME_STATE (SIS.CrewEnlisted) >= CREW_POD_CAPACITY
-			&& GET_GAME_STATE (SIS.FuelOnBoard) >= FUEL_TANK_CAPACITY
+			&& GLOBAL_SIS (CrewEnlisted) >= CREW_POD_CAPACITY
+			&& GLOBAL_SIS (FuelOnBoard) >= FUEL_TANK_CAPACITY
 			&& num_bays >= 1 && GLOBAL_SIS (NumLanders)
 			&& num_batts >= 1 && num_guns >= 2);
 	NPCPhrase (LETS_SEE);
@@ -678,9 +678,9 @@ AnalyzeCondition (void)
 			NPCPhrase (NEED_TURN_1);
 		if (num_guns < 2)
 			NPCPhrase (NEED_GUNS_1);
-		if (GET_GAME_STATE (SIS.CrewEnlisted) < CREW_POD_CAPACITY)
+		if (GLOBAL_SIS (CrewEnlisted) < CREW_POD_CAPACITY)
 			NPCPhrase (NEED_CREW_1);
-		if (GET_GAME_STATE (SIS.FuelOnBoard) < FUEL_TANK_CAPACITY)
+		if (GLOBAL_SIS (FuelOnBoard) < FUEL_TANK_CAPACITY)
 			NPCPhrase (NEED_FUEL_1);
 		if (num_bays < 1)
 			NPCPhrase (NEED_STORAGE_1);
@@ -689,7 +689,7 @@ AnalyzeCondition (void)
 		if (num_batts < 1)
 			NPCPhrase (NEED_DYNAMOS_1);
 
-		if (GET_GAME_STATE (SIS.ResUnits) >= 3000)
+		if (GLOBAL_SIS (ResUnits) >= 3000)
 			NPCPhrase (IMPROVE_FLAGSHIP_WITH_RU);
 		else
 			NPCPhrase (GO_GET_MINERALS);
@@ -709,9 +709,9 @@ AnalyzeCondition (void)
 
 		HasMaximum = (num_thrusters == NUM_DRIVE_SLOTS
 				&& num_jets == NUM_JET_SLOTS
-				&& GET_GAME_STATE (SIS.CrewEnlisted) >= CREW_POD_CAPACITY * 3
-				&& GET_GAME_STATE (SIS.FuelOnBoard) >= FUEL_TANK_CAPACITY * 3
-				&& GET_GAME_STATE (SIS.NumLanders) >= 3
+				&& GLOBAL_SIS (CrewEnlisted) >= CREW_POD_CAPACITY * 3
+				&& GLOBAL_SIS (FuelOnBoard) >= FUEL_TANK_CAPACITY * 3
+				&& GLOBAL_SIS (NumLanders) >= 3
 				&& num_batts >= 4 && num_guns >= 7 && num_defense >= 2);
 		if (!HasMaximum && GET_GAME_STATE (CHMMR_BOMB_STATE) < 2)
 			NPCPhrase (GOT_OK_FLAGSHIP);
@@ -739,7 +739,7 @@ AnalyzeCondition (void)
 			NPCPhrase (MADE_SOME_ALLIES);
 			if (FleetStrength < 6000)
 			{
-				if (GET_GAME_STATE (SIS.ResUnits) >= 3000)
+				if (GLOBAL_SIS (ResUnits) >= 3000)
 					NPCPhrase (BUY_COMBAT_SHIPS);
 				else
 					NPCPhrase (GET_SHIPS_BY_MINING_OR_ALLIANCE);
@@ -756,9 +756,9 @@ AnalyzeCondition (void)
 						NPCPhrase (NEED_TURN_2);
 					if (num_guns < 7)
 						NPCPhrase (NEED_GUNS_2);
-					if (GET_GAME_STATE (SIS.CrewEnlisted) < CREW_POD_CAPACITY * 3)
+					if (GLOBAL_SIS (CrewEnlisted) < CREW_POD_CAPACITY * 3)
 						NPCPhrase (NEED_CREW_2);
-					if (GET_GAME_STATE (SIS.FuelOnBoard) < FUEL_TANK_CAPACITY * 3)
+					if (GLOBAL_SIS (FuelOnBoard) < FUEL_TANK_CAPACITY * 3)
 						NPCPhrase (NEED_FUEL_2);
 					if (GLOBAL_SIS (NumLanders) < 3)
 						NPCPhrase (NEED_LANDERS_1);
@@ -953,7 +953,7 @@ TellStarBase (RESPONSE_REF R)
 			construct_response (
 					buf0,
 					tell_me_about_modules0,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					tell_me_about_modules1,
 					(UNICODE*)NULL);
 			pstack[0] = tell_me_about_modules0;
@@ -968,7 +968,7 @@ TellStarBase (RESPONSE_REF R)
 			construct_response (
 					shared_phrase_buf,
 					tell_me_about_fuel0,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					tell_me_about_fuel1,
 					(UNICODE*)NULL);
 			pstack[1] = tell_me_about_fuel0;
diff --git a/sc2/src/uqm/comm/supox/supoxc.c b/sc2/src/uqm/comm/supox/supoxc.c
index 931b41f0d..e169cbab7 100644
--- a/sc2/src/uqm/comm/supox/supoxc.c
+++ b/sc2/src/uqm/comm/supox/supoxc.c
@@ -424,7 +424,7 @@ NeutralSupox (RESPONSE_REF R)
 		case 0:
 			construct_response (shared_phrase_buf,
 					i_am0,
-					GET_GAME_STATE_STRING (SIS.CommanderName),
+					GLOBAL_SIS (CommanderName),
 					i_am1,
 					(UNICODE*)NULL);
 			pStr[0] = i_am0;
@@ -433,7 +433,7 @@ NeutralSupox (RESPONSE_REF R)
 		case 1:
 			construct_response (shared_phrase_buf,
 					my_ship0,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					my_ship1,
 					(UNICODE*)NULL);
 			pStr[0] = my_ship0;
diff --git a/sc2/src/uqm/comm/syreen/syreenc.c b/sc2/src/uqm/comm/syreen/syreenc.c
index 3ca05e093..8884ad6b0 100644
--- a/sc2/src/uqm/comm/syreen/syreenc.c
+++ b/sc2/src/uqm/comm/syreen/syreenc.c
@@ -793,9 +793,9 @@ Intro (void)
 		{
 			construct_response (shared_phrase_buf,
 					we_are_vindicator0,
-					GET_GAME_STATE_STRING (SIS.CommanderName),
+					GLOBAL_SIS (CommanderName),
 					we_are_vindicator1,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					we_are_vindicator2,
 					(UNICODE*)NULL);
 			Response (we_are_vice_squad, InitialSyreen);
diff --git a/sc2/src/uqm/comm/talkpet/talkpet.c b/sc2/src/uqm/comm/talkpet/talkpet.c
index 473389e7c..ce59011b7 100644
--- a/sc2/src/uqm/comm/talkpet/talkpet.c
+++ b/sc2/src/uqm/comm/talkpet/talkpet.c
@@ -520,7 +520,7 @@ CompelPlayer (RESPONSE_REF R)
 		construct_response (
 				shared_phrase_buf,
 				we_are_vindicator0,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				we_are_vindicator1,
 				(UNICODE*)NULL);
 		pStr[2] = we_are_vindicator0;
diff --git a/sc2/src/uqm/comm/thradd/thraddc.c b/sc2/src/uqm/comm/thradd/thraddc.c
index d11fbe1f0..1be8a1e4a 100644
--- a/sc2/src/uqm/comm/thradd/thraddc.c
+++ b/sc2/src/uqm/comm/thradd/thraddc.c
@@ -489,7 +489,7 @@ ThraddCulture (RESPONSE_REF R)
 	construct_response (
 			shared_phrase_buf,
 			the_slave_empire0,
-			GET_GAME_STATE_STRING (SIS.CommanderName),
+			GLOBAL_SIS (CommanderName),
 			the_slave_empire1,
 			(UNICODE*)NULL);
 
diff --git a/sc2/src/uqm/comm/umgah/umgahc.c b/sc2/src/uqm/comm/umgah/umgahc.c
index 2bd9333b6..d9debd540 100644
--- a/sc2/src/uqm/comm/umgah/umgahc.c
+++ b/sc2/src/uqm/comm/umgah/umgahc.c
@@ -368,9 +368,9 @@ Zombies (RESPONSE_REF R)
 		{
 			construct_response (shared_phrase_buf,
 					we_vindicator0,
-					GET_GAME_STATE_STRING (SIS.CommanderName),
+					GLOBAL_SIS (CommanderName),
 					we_vindicator1,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					we_vindicator2,
 					(UNICODE*)NULL);
 			pStr[1] = we_vindicator0;
diff --git a/sc2/src/uqm/comm/utwig/utwigc.c b/sc2/src/uqm/comm/utwig/utwigc.c
index dc70e0dbb..53bacbb26 100644
--- a/sc2/src/uqm/comm/utwig/utwigc.c
+++ b/sc2/src/uqm/comm/utwig/utwigc.c
@@ -558,7 +558,7 @@ NeutralUtwig (RESPONSE_REF R)
 				construct_response (
 						shared_phrase_buf,
 						we_are_vindicator0,
-						GET_GAME_STATE_STRING (SIS.CommanderName),
+						GLOBAL_SIS (CommanderName),
 						we_are_vindicator1,
 						buf,
 						we_are_vindicator2,
diff --git a/sc2/src/uqm/comm/yehat/yehatc.c b/sc2/src/uqm/comm/yehat/yehatc.c
index 3e46530d9..c1860bf16 100644
--- a/sc2/src/uqm/comm/yehat/yehatc.c
+++ b/sc2/src/uqm/comm/yehat/yehatc.c
@@ -379,11 +379,11 @@ YehatHome (RESPONSE_REF R)
 		construct_response (
 				shared_phrase_buf,
 				i_demand_you_ally_homeworld0,
-				GET_GAME_STATE_STRING (SIS.CommanderName),
+				GLOBAL_SIS (CommanderName),
 				i_demand_you_ally_homeworld1,
 				buf,
 				i_demand_you_ally_homeworld2,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				i_demand_you_ally_homeworld3,
 				(UNICODE*)NULL);
 		DoResponsePhrase (i_demand_you_ally_homeworld0,
@@ -505,9 +505,9 @@ YehatSpace (RESPONSE_REF R)
 			construct_response (
 					shared_phrase_buf,
 					i_demand_you_ally_space0,
-					GET_GAME_STATE_STRING (SIS.CommanderName),
+					GLOBAL_SIS (CommanderName),
 					i_demand_you_ally_space1,
-					GET_GAME_STATE_STRING (SIS.ShipName),
+					GLOBAL_SIS (ShipName),
 					i_demand_you_ally_space2,
 					buf,
 					i_demand_you_ally_space3,
diff --git a/sc2/src/uqm/comm/zoqfot/zoqfotc.c b/sc2/src/uqm/comm/zoqfot/zoqfotc.c
index 727116ce8..d09a7f7bb 100644
--- a/sc2/src/uqm/comm/zoqfot/zoqfotc.c
+++ b/sc2/src/uqm/comm/zoqfot/zoqfotc.c
@@ -427,7 +427,7 @@ AquaintZoqFot (RESPONSE_REF R)
 				we_are_vindicator0,
 				buf,
 				we_are_vindicator1,
-				GET_GAME_STATE_STRING (SIS.ShipName),
+				GLOBAL_SIS (ShipName),
 				we_are_vindicator2,
 				(UNICODE*)NULL);
 	}
diff --git a/sc2/src/uqm/commglue.c b/sc2/src/uqm/commglue.c
index b30e07a9a..a7b514ccb 100644
--- a/sc2/src/uqm/commglue.c
+++ b/sc2/src/uqm/commglue.c
@@ -35,21 +35,18 @@ static int NPCNumberPhrase (int number, const char *fmt, UNICODE **ptrack);
 void
 NPCPhrase_cb (int index, CallbackFunction cb)
 {
-	UNICODE *pStr;
-	UNICODE buf[400];
+	UNICODE *pStr, buf[400];
 	void *pClip, *pTimeStamp;
 
 	switch (index)
 	{
 		case GLOBAL_PLAYER_NAME:
-			strcpy (buf, GET_GAME_STATE_STRING (SIS.CommanderName));
-			pStr = buf;
+			pStr = GLOBAL_SIS (CommanderName);
 			pClip = 0;
 			pTimeStamp = 0;
 			break;
 		case GLOBAL_SHIP_NAME:
-			strcpy (buf, GET_GAME_STATE_STRING (SIS.ShipName));
-			pStr = buf;
+			pStr = GLOBAL_SIS (ShipName);
 			pClip = 0;
 			pTimeStamp = 0;
 			break;
@@ -69,7 +66,7 @@ NPCPhrase_cb (int index, CallbackFunction cb)
 				S = SetAbsStringTableIndex (CommData.ConversationPhrases, (index - 1) + i);
 				strcpy (buf, (UNICODE *)GetStringAddress (S));
 				if (i == 3)
-					strcat (buf, GET_GAME_STATE_STRING (SIS.CommanderName));
+					strcat (buf, GLOBAL_SIS (CommanderName));
 
 				pStr = buf;
 				pClip = 0;
@@ -255,7 +252,7 @@ GetAllianceName (UNICODE *buf, RESPONSE_REF name_1)
 	strcpy (buf, (UNICODE *)GetStringAddress (S));
 	if (i == 3)
 	{
-		strcat (buf, GET_GAME_STATE_STRING (SIS.CommanderName));
+		strcat (buf, GLOBAL_SIS (CommanderName));
 		strcat (buf, (UNICODE *)GetStringAddress (SetRelStringTableIndex (S, 1)));
 	}
 }
@@ -332,7 +329,7 @@ setSegue (Segue segue)
 			break;
 		case Segue_defeat:
 			SET_GAME_STATE (BATTLE_SEGUE, 0);
-			SET_GAME_STATE(SIS.CrewEnlisted, (COUNT)~0);
+			GLOBAL_SIS(CrewEnlisted) = (COUNT)~0;
 			GLOBAL(CurrentActivity) |= CHECK_RESTART;
 			break;
 	}
@@ -342,7 +339,7 @@ Segue
 getSegue (void)
 {
 	if (GET_GAME_STATE(BATTLE_SEGUE) == 0) {
-		if (GET_GAME_STATE(SIS.CrewEnlisted) == (COUNT)~0 &&
+		if (GLOBAL_SIS(CrewEnlisted) == (COUNT)~0 &&
 				(GLOBAL(CurrentActivity) & CHECK_RESTART)) {
 			return Segue_defeat;
 		} else {
diff --git a/sc2/src/uqm/encount.c b/sc2/src/uqm/encount.c
index 18373147e..9ab75c5a1 100644
--- a/sc2/src/uqm/encount.c
+++ b/sc2/src/uqm/encount.c
@@ -322,7 +322,7 @@ InitEncounter (void)
 		t.CharCount = (COUNT)~0;
 		font_DrawText (&t);
 		t.baseline.y += 12;
-		t.pStr = GET_GAME_STATE_STRING (SIS.PlanetName);
+		t.pStr = GLOBAL_SIS (PlanetName);
 		t.CharCount = (COUNT)~0;
 		font_DrawText (&t);
 	}
@@ -482,7 +482,7 @@ UninitEncounter (void)
 	free_gravity_well ();
 
 	if ((GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
-			|| GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0
+			|| GLOBAL_SIS (CrewEnlisted) == (COUNT)~0
 			|| LOBYTE (GLOBAL (CurrentActivity)) == IN_LAST_BATTLE
 			|| LOBYTE (GLOBAL (CurrentActivity)) == WON_LAST_BATTLE)
 		goto ExitUninitEncounter;
@@ -572,7 +572,7 @@ UninitEncounter (void)
 					else if (GLOBAL (ip_planet) == 0)
 						DrawHyperCoords (CurStarDescPtr->star_pt);
 					else
-						DrawSISTitle(GET_GAME_STATE_STRING (SIS.PlanetName));
+						DrawSISTitle(GLOBAL_SIS (PlanetName));
 
 					SetContext (SpaceContext);
 					if (VictoryState)
@@ -822,7 +822,7 @@ EncounterBattle (void)
 	GameSounds = 0;
 
 	if (GLOBAL (CurrentActivity) & CHECK_ABORT)
-		SET_GAME_STATE (SIS.CrewEnlisted, (COUNT)~0);
+		GLOBAL_SIS (CrewEnlisted) = (COUNT)~0;
 
 	if (GLOBAL (glob_flags) & CYBORG_ENABLED)
 	{
diff --git a/sc2/src/uqm/gameev.c b/sc2/src/uqm/gameev.c
index b04493369..352bafc93 100644
--- a/sc2/src/uqm/gameev.c
+++ b/sc2/src/uqm/gameev.c
@@ -120,7 +120,7 @@ EventHandler (BYTE selector)
 			break;
 		case SHOFIXTI_RETURN_EVENT:
 			SetRaceAllied (SHOFIXTI_SHIP, TRUE);
-			SET_GAME_STATE (CrewCost, GET_GAME_STATE (CrewCost) - 2);
+			GLOBAL (CrewCost) -= 2;
 					/* crew is not an issue anymore */
 			SET_GAME_STATE (CREW_PURCHASED0, 0);
 			SET_GAME_STATE (CREW_PURCHASED1, 0);
@@ -369,7 +369,7 @@ black_urquan_genocide (void)
 	{
 		// All spheres of influence are gone - game over.
 		GLOBAL (CurrentActivity) &= ~IN_BATTLE;
-		SET_GAME_STATE (SIS.CrewEnlisted, (COUNT)~0);
+		GLOBAL_SIS (CrewEnlisted) = (COUNT)~0;
 
 		SET_GAME_STATE (KOHR_AH_KILLED_ALL, 1);
 	}
diff --git a/sc2/src/uqm/gameopt.c b/sc2/src/uqm/gameopt.c
index 5429824f2..ba42a3b1e 100644
--- a/sc2/src/uqm/gameopt.c
+++ b/sc2/src/uqm/gameopt.c
@@ -315,8 +315,7 @@ NameCaptainOrShip (bool nameCaptain)
 {
 	UNICODE buf[MAX_NAME_SIZE] = "";
 	TEXTENTRY_STATE tes;
-	const UNICODE *Setting;
-	const UNICODE *Old;
+	UNICODE *Setting;
 
 	SetContext (StatusContext);
 	SetFlashRect (nameCaptain ? &captainNameRect : &shipNameRect);
@@ -327,15 +326,14 @@ NameCaptainOrShip (bool nameCaptain)
 
 	if (nameCaptain)
 	{
-		Setting = "SIS.CommanderName";
-		tes.MaxSize = SIS_NAME_SIZE;
+		Setting = GLOBAL_SIS (CommanderName);
+		tes.MaxSize = sizeof (GLOBAL_SIS (CommanderName));
 	}
 	else
 	{
-		Setting = "SIS.ShipName";
-		tes.MaxSize = SIS_NAME_SIZE;
+		Setting = GLOBAL_SIS (ShipName);
+		tes.MaxSize = sizeof (GLOBAL_SIS (ShipName));
 	}
-	Old= getGameState_string_json( Setting );
 
 	// text entry setup
 	tes.Initialized = FALSE;
@@ -346,12 +344,9 @@ NameCaptainOrShip (bool nameCaptain)
 	tes.FrameCallback = 0;
 
 	if (DoTextEntry (&tes))
-	{
-		buf[ tes.MaxSize ]= '\0';
-		setGameState_string_json( Setting, buf );
-	}
+		utf8StringCopy (Setting, tes.MaxSize, buf);
 	else
-		utf8StringCopy (buf, sizeof (buf), Old);
+		utf8StringCopy (buf, sizeof (buf), Setting);
 
 	SetFlashRect (SFR_MENU_3DO);
 
@@ -736,11 +731,6 @@ DrawSavegameCargo (SIS_STATE *sisState)
 static void
 DrawSavegameSummary (PICK_GAME_STATE *pickState, COUNT gameIndex)
 {
-	return;
-// FIXME(ADAM): This needs to be totally rewritten once the new JSON
-// save format is ready.  It makes more sense to get everything into JSON
-// and then just rewrite this.
-#if 0
 	SUMMARY_DESC *pSD = pickState->summary + gameIndex;
 	RECT r;
 	STAMP s;
@@ -944,7 +934,6 @@ DrawSavegameSummary (PICK_GAME_STATE *pickState, COUNT gameIndex)
 	}
 
 	UnbatchGraphics ();
-#endif
 }
 
 static void
diff --git a/sc2/src/uqm/gamestate-modern.cpp b/sc2/src/uqm/gamestate-modern.cpp
deleted file mode 100644
index ec9501b25..000000000
--- a/sc2/src/uqm/gamestate-modern.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#define COMPILING_GLOBDATA
-#include "uqm/globdata.h"
-#undef COMPILING_GLOBDATA
-
-#include <cstdint>
-
-#include <map>
-#include <string>
-
-namespace GameState
-{
-	namespace
-	{
-		// TODO: Convert all this to a true JSON map in memory?
-		auto &
-		gameState()
-		{
-			static std::map< std::string, std::uint32_t > rv;
-
-			return rv;
-		}
-
-		auto &
-		gameStateString()
-		{
-			static std::map< std::string, std::string > rv;
-
-			return rv;
-		}
-	}
-
-	void
-	create( const std::string &name )
-	{
-		std::ignore= gameState()[ name ];
-	}
-
-	void
-	createString( const std::string &name )
-	{
-		std::ignore= gameStateString()[ name ];
-	}
-
-	std::uint32_t &
-	get( const std::string &name )
-	{
-		return gameState().at( name );
-	}
-
-	std::string &
-	getString( const std::string &name )
-	{
-		return gameStateString().at( name );
-	}
-}
-
-const std::map< std::string, std::uint32_t > &
-GameState::getFullGameState()
-{
-	return gameState();
-}
-
-const std::map< std::string, std::string > &
-GameState::getFullGameStateString()
-{
-	return gameStateString();
-}
-
-extern "C"
-{
-	void
-	addGameState_json( const char *const stateName )
-	{
-		GameState::create( stateName );
-	}
-
-	std::uint32_t
-	getGameState_json( const char *const stateName )
-	{
-		return GameState::get( stateName );
-	}
-
-	void
-	setGameState_json( const char *const stateName,
-			const std::uint32_t val )
-	{
-		GameState::get( stateName )= val;
-	}
-
-
-	void
-	addGameState_string_json( const char *const stateName )
-	{
-		GameState::createString( stateName );
-	}
-
-	const char *
-	getGameState_string_json( const char *const stateName )
-	{
-		return GameState::getString( stateName ).c_str();
-	}
-
-	void
-	setGameState_string_json( const char *const stateName,
-			const char *const val )
-	{
-		GameState::getString( stateName )= val;
-	}
-}
-
diff --git a/sc2/src/uqm/globdata.c b/sc2/src/uqm/globdata.c
index 37df6db16..4bf14f8da 100644
--- a/sc2/src/uqm/globdata.c
+++ b/sc2/src/uqm/globdata.c
@@ -317,10 +317,10 @@ InitGameStructures (void)
 		GLOBAL_SIS (ModuleSlots[i]) = EMPTY_SLOT + 2;
 	GLOBAL_SIS (ModuleSlots[15]) = GUN_WEAPON;
 	GLOBAL_SIS (ModuleSlots[2]) = CREW_POD;
-	SET_GAME_STATE (SIS.CrewEnlisted, CREW_POD_CAPACITY);
+	GLOBAL_SIS (CrewEnlisted) = CREW_POD_CAPACITY;
 	GLOBAL_SIS (ModuleSlots[8]) = STORAGE_BAY;
 	GLOBAL_SIS (ModuleSlots[1]) = FUEL_TANK;
-	SET_GAME_STATE (SIS.FuelOnBoard, 10 * FUEL_TANK_SCALE);
+	GLOBAL_SIS (FuelOnBoard) = 10 * FUEL_TANK_SCALE;
 
 	InitQueue (&GLOBAL (built_ship_q),
 			MAX_BUILT_SHIPS, sizeof (SHIP_FRAGMENT));
@@ -332,9 +332,9 @@ InitGameStructures (void)
 
 	GLOBAL (CurrentActivity) = IN_INTERPLANETARY | START_INTERPLANETARY;
 
-	SET_GAME_STATE (SIS.ResUnits, 0);
-	SET_GAME_STATE (CrewCost, 3);
-	SET_GAME_STATE (FuelCost, 20);
+	GLOBAL_SIS (ResUnits) = 0;
+	GLOBAL (CrewCost) = 3;
+	GLOBAL (FuelCost) = 20;
 	GLOBAL (ModuleCost[PLANET_LANDER]) = 500 / MODULE_COST_SCALE;
 	GLOBAL (ModuleCost[FUSION_THRUSTER]) = 500 / MODULE_COST_SCALE;
 	GLOBAL (ModuleCost[TURNING_JETS]) = 500 / MODULE_COST_SCALE;
@@ -346,8 +346,11 @@ InitGameStructures (void)
 
 	GLOBAL_SIS (NumLanders) = 1;
 
-	SET_GAME_STATE_STRING (SIS.ShipName, GAME_STRING (NAMING_STRING_BASE + 2));
-	SET_GAME_STATE_STRING (SIS.CommanderName, GAME_STRING (NAMING_STRING_BASE + 3));
+	utf8StringCopy (GLOBAL_SIS (ShipName), sizeof (GLOBAL_SIS (ShipName)),
+			GAME_STRING (NAMING_STRING_BASE + 2));
+	utf8StringCopy (GLOBAL_SIS (CommanderName),
+			sizeof (GLOBAL_SIS (CommanderName)),
+			GAME_STRING (NAMING_STRING_BASE + 3));
 
 	SetRaceAllied (HUMAN_SHIP, TRUE);
 	CloneShipFragment (HUMAN_SHIP, &GLOBAL (built_ship_q), 0);
@@ -369,7 +372,7 @@ InitGameStructures (void)
 
 	const int equipment[]=
 	{
-		HIGHEFF_FUELSYS,
+		FUEL_TANK,
 		HIGHEFF_FUELSYS,
 		SHIVA_FURNACE,
 
@@ -377,10 +380,10 @@ InitGameStructures (void)
 		DYNAMO_UNIT,
 		DYNAMO_UNIT,
 
-		STORAGE_BAY,
-		CREW_POD,
-		CREW_POD,
-		CREW_POD,
+		SHIVA_FURNACE,
+		SHIVA_FURNACE,
+		SHIVA_FURNACE,
+		SHIVA_FURNACE,
 
 		TRACKING_SYSTEM,
 
@@ -394,8 +397,8 @@ InitGameStructures (void)
 	const int ck_[ sizeof( equipment ) / sizeof( int ) == 16 ? 1 : -1 ];
 	(void) ck_;
 
-	SET_GAME_STATE( SIS.CrewEnlisted, 0 );
-	SET_GAME_STATE( SIS.FuelOnBoard, 10 * FUEL_TANK_SCALE);
+	GLOBAL_SIS( CrewEnlisted )= 0;
+	GLOBAL_SIS( FuelOnBoard )= 10 * FUEL_TANK_SCALE;
 	for( int i= 0; i < 16; ++i )
 	{
 		const int module= equipment[ i ];
@@ -403,15 +406,15 @@ InitGameStructures (void)
 		if( false ) {}
 		else if( module == CREW_POD )
 		{
-			SET_GAME_STATE( SIS.CrewEnlisted, GET_GAME_STATE( SIS.CrewEnlisted ) + CREW_POD_CAPACITY );
+			GLOBAL_SIS( CrewEnlisted )+= CREW_POD_CAPACITY;
 		}
 		else if( module == FUEL_TANK )
 		{
-			SET_GAME_STATE( SIS.FuelOnBoard, GET_GAME_STATE( SIS.FuelOnBoard ) + FUEL_TANK_CAPACITY );
+			GLOBAL_SIS( FuelOnBoard )+= FUEL_TANK_CAPACITY;
 		}
 		else if( module == HIGHEFF_FUELSYS )
 		{
-			SET_GAME_STATE( SIS.FuelOnBoard, GET_GAME_STATE( SIS.FuelOnBoard ) + HEFUEL_TANK_CAPACITY );
+			GLOBAL_SIS( FuelOnBoard )+= HEFUEL_TANK_CAPACITY;
 		}
 	}
 
diff --git a/sc2/src/uqm/globdata.h b/sc2/src/uqm/globdata.h
index b9b183f56..3d582cfdb 100644
--- a/sc2/src/uqm/globdata.h
+++ b/sc2/src/uqm/globdata.h
@@ -29,11 +29,7 @@
 #include "locdata.h"
 #include "cxxlist.h"
 
-#include <stdint.h>
-
 #if defined(__cplusplus)
-#include <string>
-
 extern "C" {
 #endif
 
@@ -178,44 +174,10 @@ enum
 
 #define YEARS_TO_KOHRAH_VICTORY 4
 
-#ifdef COMPILING_GLOBDATA
-//#error FOUND IT!
-#endif
-
-#ifdef USE_OLD_STATE
-
 #define START_GAME_STATE enum {
 #define ADD_GAME_STATE(SName,NumBits) SName, END_##SName = SName + NumBits - 1,
 #define END_GAME_STATE NUM_GAME_STATE_BITS };
 
-#elif defined( COMPILING_GLOBDATA )
-
-#ifndef __cplusplus
-#error You must only be in C++!
-#endif
-
-extern "C" void addGameState_json( const char * );
-extern "C" void addGameState_string_json( const char * );
-
-#define START_GAME_STATE \
-	static auto initGameState_= []() -> int \
-	{
-#define ADD_GAME_STATE( name, legacySize ) \
-		addGameState_json( #name );
-
-#define ADD_GAME_STATE_STRING( name ) \
-		addGameState_string_json( #name );
-
-#define END_GAME_STATE \
-		return 0xDEADBEEF; \
-	}();
-#else
-#define START_GAME_STATE
-#define ADD_GAME_STATE( ... )
-#define ADD_GAME_STATE_STRING( ... )
-#define END_GAME_STATE
-#endif
-
 START_GAME_STATE
 		/* Shofixti states */
 	ADD_GAME_STATE (SHOFIXTI_VISITS, 3)
@@ -293,7 +255,7 @@ START_GAME_STATE
 			 * 9 means completely open.
 			 */
 
-	// ADD_GAME_STATE (LANDER_SHIELDS, 4) // Lander shields are individual bits, now.
+	ADD_GAME_STATE (LANDER_SHIELDS, 4)
 
 	ADD_GAME_STATE (MET_MELNORME, 1)
 	ADD_GAME_STATE (MELNORME_RESCUE_REFUSED, 1)
@@ -921,22 +883,6 @@ START_GAME_STATE
 	ADD_GAME_STATE (SAMATRA_GRPOFFS2, 8)
 	ADD_GAME_STATE (SAMATRA_GRPOFFS3, 8)
 
-	ADD_GAME_STATE (LANDER_SHIELD_BIO, 0)
-	ADD_GAME_STATE (LANDER_SHIELD_QUAKE, 0)
-	ADD_GAME_STATE (LANDER_SHIELD_LIGHTNING, 0)
-	ADD_GAME_STATE (LANDER_SHIELD_HEAT, 0)
-
-	ADD_GAME_STATE (CrewCost, 0)
-	ADD_GAME_STATE (FuelCost, 0)
-
-	ADD_GAME_STATE (SIS.ResUnits, 0)
-	ADD_GAME_STATE (SIS.FuelOnBoard, 0)
-	ADD_GAME_STATE (SIS.CrewEnlisted, 0)
-
-	ADD_GAME_STATE_STRING (SIS.ShipName)
-	ADD_GAME_STATE_STRING (SIS.CommanderName)
-	ADD_GAME_STATE_STRING (SIS.PlanetName)
-
 END_GAME_STATE
 
 // Values for GAME_STATE.glob_flags:
@@ -978,7 +924,7 @@ typedef struct
 	BYTE glob_flags;
 			// See above for the meaning of the bits.
 
-	//BYTE CrewCost, FuelCost;
+	BYTE CrewCost, FuelCost;
 	BYTE ModuleCost[NUM_MODULES];
 	BYTE ElementWorth[NUM_ELEMENT_CATEGORIES];
 
@@ -1015,9 +961,7 @@ typedef struct
 			/* List of SIS escort ships;
 			 * queue element is SHIP_FRAGMENT */
 
-#ifdef USE_OLD_STATE
 	BYTE GameState[(NUM_GAME_STATE_BITS + 7) >> 3];
-#endif
 } GAME_STATE;
 
 typedef struct
@@ -1065,61 +1009,32 @@ extern void setGameState (BYTE *state, int startBit, int endBit, BYTE val
 		);
 extern void copyGameState (BYTE *dest, DWORD target, BYTE *src, DWORD begin, DWORD end);
 
-extern uint32_t getGameState_json( const char *name );
-extern void setGameState_json( const char *name, uint32_t val );
-
-extern const char *getGameState_string_json( const char *name );
-extern void setGameState_string_json( const char *name, const char *val );
-
-#ifdef __cplusplus
-extern "C++"
-{
-#include <map>
-#include <string>
-#include <cstdint>
-	namespace GameState
-	{
-		const std::map< std::string, uint32_t > &getFullGameState();
-		const std::map< std::string, std::string > &getFullGameStateString();
-	}
-}
-#endif
-
-#define xGET_GAME_STATE(SName) getGameState (GLOBAL(GameState), (SName), (END_##SName))
+#define GET_GAME_STATE(SName) getGameState (GLOBAL(GameState), (SName), (END_##SName))
 #ifdef STATE_DEBUG
-#	define xSET_GAME_STATE(SName, val) \
+#	define SET_GAME_STATE(SName, val) \
 			setGameState (GLOBAL(GameState), (SName), (END_##SName), (val), #SName)
 #else
-#	define xSET_GAME_STATE(SName, val) \
+#	define SET_GAME_STATE(SName, val) \
 			setGameState (GLOBAL(GameState), (SName), (END_##SName), (val))
 #endif
 
-#define GET_GAME_STATE(SName) ( getGameState_json( (#SName) ) )
-#define SET_GAME_STATE(SName, val) ( setGameState_json( (#SName), val ) )
-
 extern DWORD getGameState32 (BYTE *state, int startBit);
 extern void setGameState32 (BYTE *state, int startBit, DWORD val
-
 #ifdef STATE_DEBUG
 		, const char *name
 #endif
 		);
 
-#define xGET_GAME_STATE_32(SName) getGameState32 (GLOBAL(GameState), (SName))
+#define GET_GAME_STATE_32(SName) getGameState32 (GLOBAL(GameState), (SName))
 #ifdef STATE_DEBUG
-#	define xSET_GAME_STATE_32(SName, val) \
+#	define SET_GAME_STATE_32(SName, val) \
 			setGameState32 (GLOBAL(GameState), (SName), (val), #SName)
 #else
-#	define xSET_GAME_STATE_32(SName, val) \
+#	define SET_GAME_STATE_32(SName, val) \
 			setGameState32 (GLOBAL(GameState), (SName), (val))
 #endif
 
-#define GET_GAME_STATE_32(SName) ( getGameState_json( #SName ) )
-#define SET_GAME_STATE_32(SName, val) ( setGameState_json( #SName, val ) )
-
-#define GET_GAME_STATE_STRING(SName) ( getGameState_string_json( #SName ) )
-#define SET_GAME_STATE_STRING(SName, val) ( setGameState_string_json( #SName, val ) )
-
+	
 extern CONTEXT RadarContext;
 
 extern void FreeSC2Data (void);
diff --git a/sc2/src/uqm/hyper.c b/sc2/src/uqm/hyper.c
index 01662093b..9ef55a91f 100644
--- a/sc2/src/uqm/hyper.c
+++ b/sc2/src/uqm/hyper.c
@@ -122,7 +122,7 @@ MoveSIS (SIZE *pdx, SIZE *pdy)
 		}
 	}
 
-	if (GET_GAME_STATE (SIS.FuelOnBoard) && GET_GAME_STATE (ARILOU_SPACE_SIDE) <= 1)
+	if (GLOBAL_SIS (FuelOnBoard) && GET_GAME_STATE (ARILOU_SPACE_SIDE) <= 1)
 	{
 		COUNT cur_fuel_ticks;
 		COUNT hyper_dist;
@@ -215,7 +215,7 @@ check_hyperspace_encounter (void)
 						percent *= GET_GAME_STATE (SLYLANDRO_MULTIPLIER);
 				}
 				else if (Type == MELNORME_SHIP
-						&& (GET_GAME_STATE (SIS.FuelOnBoard) == 0
+						&& (GLOBAL_SIS (FuelOnBoard) == 0
 						|| GET_GAME_STATE (USED_BROADCASTER))
 						&& GET_GAME_STATE (MELNORME_ANGER) < 3)
 				{
@@ -1626,7 +1626,7 @@ DoHyperspaceMenu (MENU_STATE *pMS)
 	BOOLEAN handled;
 
 	if ((GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
-			|| GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0)
+			|| GLOBAL_SIS (CrewEnlisted) == (COUNT)~0)
 		return FALSE;
 
 	handled = DoMenuChooser (pMS, PM_STARMAP);
diff --git a/sc2/src/uqm/load-modern.cpp b/sc2/src/uqm/load-modern.cpp
deleted file mode 100644
index ab48c612e..000000000
--- a/sc2/src/uqm/load-modern.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-//Copyright ADAM David Alan Martin. 2024
-// Adapted from code by:
-//Copyright Paul Reiche, Fred Ford. 1992-2002
-
-/*
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include "save.h"
-
-#include <fstream>
-#include <iostream>
-#include <sstream>
-
-#include "libs/json/single_include/nlohmann/json.hpp"
-
-namespace SaveGames
-{
-	namespace
-	{
-		namespace JSONlib= nlohmann;
-
-		inline namespace impl
-		{
-			bool loadGame( int which, SUMMARY_DESC *sPtr );
-			bool saveGame( int which, SUMMARY_DESC *sPtr, const std::string &name );
-		}
-	}
-}
-
-extern "C"
-{
-	ACTIVITY NextActivity;
-
-	bool
-	LoadGame( const COUNT which_game, SUMMARY_DESC *const SummPtr )
-	{
-		return SaveGames::loadGame( which_game, SummPtr );
-	}
-
-	bool
-	SaveGame( const COUNT which, SUMMARY_DESC *const SummPtr, const char *name )
-	{
-		return SaveGames::saveGame( which, SummPtr, name );
-	}
-
-	void
-	SaveProblem()
-	{
-		throw std::runtime_error{ "Save Problem" };
-	}
-}
-
-bool
-SaveGames::impl::saveGame( const int which, SUMMARY_DESC *const, const std::string &name )
-{
-	// TODO: Resource dir as a C++ string; this is a hack for now.
-	std::filesystem::path saveDir= "/home/adam/.uqm/save";
-
-	std::ostringstream suffix;
-	suffix << std::setw( 2 ) << std::setfill( '0' ) << which;
-	
-	const auto fpath= saveDir / ( "uqmsave." + suffix.str() );
-	std::ofstream out{ fpath.string() };
-
-	auto state= GameState::getFullGameState();
-
-	JSONlib::json json;
-	json[ "GameState" ]= GameState::getFullGameState();
-	for( const auto &[ name, val ]: GameState::getFullGameStateString() )
-	{
-		json[ "GameState" ][ name ]= val;
-	}
-	json[ "SaveGameName" ]= name;
-	std::cerr << "I want to save the save game name value as: `" << name << "`" << std::endl;
-
-	out << std::setw( 4 ) << json;
-
-	return true;
-}
-
-bool
-SaveGames::impl::loadGame( const int which, SUMMARY_DESC *const sPtr )
-{
-	// TODO: Resource dir as a C++ string; this is a hack for now.
-	std::filesystem::path saveDir= "/home/adam/.uqm/save";
-
-	std::ostringstream suffix;
-	suffix << std::setw( 2 ) << std::setfill( '0' ) << which;
-
-	
-	const auto fpath= saveDir / ( "uqmsave." + suffix.str() );
-	std::ifstream in{ fpath.string() };
-
-	if( not in ) { return false; }
-
-	JSONlib::json json;
-
-	in >> json;
-
-	// TODO: Do the rest of the loading... which should just
-	// be setting the main std::map.
-	std::cerr << "I loaded this JSON: \n"
-			<< std::setw( 4 ) << json << std::endl;
-
-	return false;
-}
diff --git a/sc2/src/uqm/load_legacy.c b/sc2/src/uqm/load_legacy.c
index ce3d4a0da..17c78d38f 100644
--- a/sc2/src/uqm/load_legacy.c
+++ b/sc2/src/uqm/load_legacy.c
@@ -199,7 +199,6 @@ static DWORD old_defgrp_offsets[] = { 0, 52, 84, 116, 148, 180, 212, 244,
 				      276, 308, 340, 372, 451, 879, 931 };
 
 static DWORD new_defgrp_offsets[] = {
-#if 0
 	0,
 	SHOFIXTI_GRPOFFS0,
 	ZOQFOT_GRPOFFS0,
@@ -215,7 +214,6 @@ static DWORD new_defgrp_offsets[] = {
 	URQUAN_PROBE_GRPOFFS0,
 	COLONY_GRPOFFS0,
 	SAMATRA_GRPOFFS0
-#endif
 };
 
 static void
diff --git a/sc2/src/uqm/menu.c b/sc2/src/uqm/menu.c
index ddac758a0..fc46e3b4c 100644
--- a/sc2/src/uqm/menu.c
+++ b/sc2/src/uqm/menu.c
@@ -513,11 +513,11 @@ DrawMenuStateStrings (BYTE beg_index, SWORD NewState)
 		if (beg_index == PM_CREW)
 			snprintf (pm_crew_str, sizeof pm_crew_str, "%s(%d)",
 					 GAME_STRING (MAINMENU_STRING_BASE + PM_CREW),
-					 GET_GAME_STATE (CrewCost));
+					 GLOBAL (CrewCost));
 		if (beg_index == PM_FUEL)
 			snprintf (pm_fuel_str, sizeof pm_fuel_str, "%s(%d)",
 					 GAME_STRING (MAINMENU_STRING_BASE + PM_FUEL),
-					 GET_GAME_STATE (FuelCost));
+					 GLOBAL (FuelCost));
 		if (beg_index == PM_SOUND_ON)
 		{
 			end_index = beg_index + 5;
@@ -578,7 +578,7 @@ DrawMenuStateStrings (BYTE beg_index, SWORD NewState)
 				t.align = ALIGN_RIGHT;
 				t.CharCount = (COUNT)~0;
 				t.pStr = buf;
-				snprintf (buf, sizeof buf, "%u", GET_GAME_STATE (CrewCost));
+				snprintf (buf, sizeof buf, "%u", GLOBAL (CrewCost));
 				SetContextFont (TinyFont);
 				SetContextForeGroundColor (THREEDOMENU_TEXT_COLOR);
 				font_DrawText (&t);
@@ -589,7 +589,7 @@ DrawMenuStateStrings (BYTE beg_index, SWORD NewState)
 				t.align = ALIGN_RIGHT;
 				t.CharCount = (COUNT)~0;
 				t.pStr = buf;
-				snprintf (buf, sizeof buf, "%u", GET_GAME_STATE (FuelCost));
+				snprintf (buf, sizeof buf, "%u", GLOBAL (FuelCost));
 				SetContextFont (TinyFont);
 				SetContextForeGroundColor (THREEDOMENU_TEXT_COLOR);
 				font_DrawText (&t);
diff --git a/sc2/src/uqm/outfit.c b/sc2/src/uqm/outfit.c
index 591d89078..458dfa00c 100644
--- a/sc2/src/uqm/outfit.c
+++ b/sc2/src/uqm/outfit.c
@@ -99,19 +99,19 @@ DrawModuleStrings (MENU_STATE *pMS, BYTE NewModule)
 static void
 RedistributeFuel (void)
 {
-	const DWORD FuelVolume = GET_GAME_STATE (SIS.FuelOnBoard);
+	const DWORD FuelVolume = GLOBAL_SIS (FuelOnBoard);
 	const CONTEXT OldContext = SetContext (SpaceContext);
 	RECT r;
 	r.extent.height = 1;
 
 	// Loop through all the rows to draw
 	BatchGraphics ();
-	for (SET_GAME_STATE (SIS.FuelOnBoard, FUEL_RESERVE);
-			GET_GAME_STATE (SIS.FuelOnBoard) < GetFTankCapacity (&r.corner);
-			SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) + FUEL_VOLUME_PER_ROW))
+	for (GLOBAL_SIS (FuelOnBoard) = FUEL_RESERVE;
+			GLOBAL_SIS (FuelOnBoard) < GetFTankCapacity (&r.corner);
+			GLOBAL_SIS (FuelOnBoard) += FUEL_VOLUME_PER_ROW)
 	{
 		// If we're less than the fuel level, draw fuel.
-		if (GET_GAME_STATE (SIS.FuelOnBoard) < FuelVolume)
+		if (GLOBAL_SIS (FuelOnBoard) < FuelVolume)
 		{
 			r.extent.width = 3;
 			DrawPoint (&r.corner);
@@ -132,7 +132,7 @@ RedistributeFuel (void)
 	UnbatchGraphics ();
 	SetContext (OldContext);
 
-	SET_GAME_STATE (SIS.FuelOnBoard, FuelVolume);
+	GLOBAL_SIS (FuelOnBoard) = FuelVolume;
 }
 
 #define LANDER_X 24
@@ -247,7 +247,7 @@ DoInstallModule (MENU_STATE *pMS)
 		{
 			if (new_slot_piece < EMPTY_SLOT)
 			{
-				if (GET_GAME_STATE (SIS.ResUnits) <
+				if (GLOBAL_SIS (ResUnits) <
 						(DWORD)(GLOBAL (ModuleCost[new_slot_piece])
 						* MODULE_COST_SCALE))
 				{	// not enough RUs to build
@@ -259,7 +259,7 @@ DoInstallModule (MENU_STATE *pMS)
 			{
 				if (old_slot_piece == CREW_POD)
 				{
-					if (((int)GET_GAME_STATE (SIS.CrewEnlisted) )> CREW_POD_CAPACITY
+					if (GLOBAL_SIS (CrewEnlisted) > CREW_POD_CAPACITY
 							* (CountSISPieces (CREW_POD) - 1))
 					{	// crew pod still needed for crew recruited
 						PlayMenuSound (MENU_SOUND_FAILURE);
@@ -277,7 +277,7 @@ DoInstallModule (MENU_STATE *pMS)
 							* HEFUEL_TANK_CAPACITY;
 					volume -= (old_slot_piece == FUEL_TANK
 							? FUEL_TANK_CAPACITY : HEFUEL_TANK_CAPACITY);
-					if (GET_GAME_STATE (SIS.FuelOnBoard) > volume + FUEL_RESERVE)
+					if (GLOBAL_SIS (FuelOnBoard) > volume + FUEL_RESERVE)
 					{	// fuel tank still needed for the fuel on board
 						PlayMenuSound (MENU_SOUND_FAILURE);
 						return (TRUE);
@@ -557,9 +557,9 @@ ChangeFuelQuantity (void)
 
 	// Clamp incr to what we can afford/hold/have.
 	{
-		const int maxFit = GetFuelTankCapacity () - GET_GAME_STATE (SIS.FuelOnBoard);
-		const int maxAfford = GET_GAME_STATE (SIS.ResUnits) / GET_GAME_STATE (FuelCost);
-		const int minFit = - (int) GET_GAME_STATE (SIS.FuelOnBoard);
+		const int maxFit = GetFuelTankCapacity () - GLOBAL_SIS (FuelOnBoard);
+		const int maxAfford = GLOBAL_SIS (ResUnits) / GLOBAL (FuelCost);
+		const int minFit = - (int) GLOBAL_SIS (FuelOnBoard);
 
 		if (incr > maxFit)
 			incr = maxFit; // All we can hold.
@@ -578,7 +578,7 @@ ChangeFuelQuantity (void)
 	}
 	else
 	{
-		const int cost = (incr / FUEL_TANK_SCALE) * GET_GAME_STATE (FuelCost);
+		const int cost = (incr / FUEL_TANK_SCALE) * GLOBAL (FuelCost);
 		PreUpdateFlashRect ();
 		DeltaSISGauges (0, incr, -cost);
 		PostUpdateFlashRect ();
@@ -670,18 +670,22 @@ DoOutfit (MENU_STATE *pMS)
 			DisplayLanders (pMS);
 			if (GET_GAME_STATE (CHMMR_BOMB_STATE) < 3)
 			{
+				BYTE ShieldFlags;
+				
+				ShieldFlags = GET_GAME_STATE (LANDER_SHIELDS);
+
 				s.frame = SetAbsFrameIndex (pMS->ModuleFrame,
 						GetFrameCount (pMS->ModuleFrame) - 5);
-				if (GET_GAME_STATE (LANDER_SHIELD_QUAKE))
+				if (ShieldFlags & (1 << EARTHQUAKE_DISASTER))
 					DrawStamp (&s);
 				s.frame = IncFrameIndex (s.frame);
-				if (GET_GAME_STATE (LANDER_SHIELD_BIO))
+				if (ShieldFlags & (1 << BIOLOGICAL_DISASTER))
 					DrawStamp (&s);
 				s.frame = IncFrameIndex (s.frame);
-				if (GET_GAME_STATE (LANDDER_SHIELD_LIGHTNING))
+				if (ShieldFlags & (1 << LIGHTNING_DISASTER))
 					DrawStamp (&s);
 				s.frame = IncFrameIndex (s.frame);
-				if (GET_GAME_STATE (LANDER_SHIELD_HEAT))
+				if (ShieldFlags & (1 << LAVASPOT_DISASTER))
 					DrawStamp (&s);
 			}
 
@@ -696,10 +700,10 @@ DoOutfit (MENU_STATE *pMS)
 			
 			SetFlashRect (SFR_MENU_3DO);
 
-			SET_GAME_STATE (SIS.FuelOnBoard,
-					(GET_GAME_STATE (SIS.FuelOnBoard)
-					+ (FUEL_TANK_SCALE >> 1)) / FUEL_TANK_SCALE);
-			SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) * FUEL_TANK_SCALE);
+			GLOBAL_SIS (FuelOnBoard) =
+					(GLOBAL_SIS (FuelOnBoard)
+					+ (FUEL_TANK_SCALE >> 1)) / FUEL_TANK_SCALE;
+			GLOBAL_SIS (FuelOnBoard) *= FUEL_TANK_SCALE;
 		}
 
 		SetContext (StatusContext);
diff --git a/sc2/src/uqm/pickship.c b/sc2/src/uqm/pickship.c
index 53e98ecb5..3dcced0d5 100644
--- a/sc2/src/uqm/pickship.c
+++ b/sc2/src/uqm/pickship.c
@@ -190,9 +190,9 @@ ChangeSelection:
 				StarShipPtr = LockStarShip (&race_q[0], hBattleShip);
 				if (StarShipPtr->captains_name_index == 0)
 				{
-					t.pStr = GET_GAME_STATE_STRING (SIS.CommanderName);
+					t.pStr = GLOBAL_SIS (CommanderName);
 					t.CharCount = (COUNT)~0;
-					crew_level = GET_GAME_STATE (SIS.CrewEnlisted);
+					crew_level = GLOBAL_SIS (CrewEnlisted);
 					max_crew = GetCrewPodCapacity ();
 				}
 				else
@@ -344,14 +344,14 @@ GetEncounterStarShip (STARSHIP *LastStarShipPtr, COUNT which_player)
 #define RUN_AWAY_FUEL_COST (5 * FUEL_TANK_SCALE)
 				if (LastStarShipPtr->crew_level == 0)
 				{	// Died in the line of duty
-					SET_GAME_STATE (SIS.CrewEnlisted, (COUNT)~0);
+					GLOBAL_SIS (CrewEnlisted) = (COUNT)~0;
 				}
 				else
 				{	// Player ran away
-					if (GET_GAME_STATE (SIS.FuelOnBoard) > RUN_AWAY_FUEL_COST)
-						SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) - RUN_AWAY_FUEL_COST);
+					if (GLOBAL_SIS (FuelOnBoard) > RUN_AWAY_FUEL_COST)
+						GLOBAL_SIS (FuelOnBoard) -= RUN_AWAY_FUEL_COST;
 					else
-						SET_GAME_STATE (SIS.FuelOnBoard, 0);
+						GLOBAL_SIS (FuelOnBoard) = 0;
 				}
 			}
 			return 0;
@@ -397,7 +397,6 @@ DrawArmadaPickShip (BOOLEAN draw_salvage_frame, RECT *pPickRect)
 	TEXT t;
 	CONTEXT OldContext;
 	FRAME PickFrame;
-	UNICODE buf[ SIS_NAME_SIZE ];
 
 	OldContext = SetContext (SpaceContext);
 
@@ -436,8 +435,7 @@ DrawArmadaPickShip (BOOLEAN draw_salvage_frame, RECT *pPickRect)
 	t.baseline.x = pick_r.corner.x + (pick_r.extent.width >> 1);
 	t.baseline.y = pick_r.corner.y + pick_r.extent.height - 5;
 	t.align = ALIGN_CENTER;
-	t.pStr = buf;
-	strncpy(buf, GET_GAME_STATE_STRING (SIS.ShipName), SIS_NAME_SIZE);
+	t.pStr = GLOBAL_SIS (ShipName);
 	t.CharCount = (COUNT)~0;
 	SetContextForeGroundColor (
 			BUILD_COLOR (MAKE_RGB15 (0x12, 0x12, 0x12), 0x17));
diff --git a/sc2/src/uqm/planets/devices.c b/sc2/src/uqm/planets/devices.c
index fc5f94c9b..eca79a1f4 100644
--- a/sc2/src/uqm/planets/devices.c
+++ b/sc2/src/uqm/planets/devices.c
@@ -356,7 +356,7 @@ InvokeDevice (BYTE which_device)
 		case UTWIG_BOMB_DEVICE:
 			SET_GAME_STATE (UTWIG_BOMB, 0);
 			GLOBAL (CurrentActivity) &= ~IN_BATTLE;
-			SET_GAME_STATE (SIS.CrewEnlisted, (COUNT)~0);
+			GLOBAL_SIS (CrewEnlisted) = (COUNT)~0;
 			return DEVICE_SUCCESS;
 		case ULTRON_0_DEVICE:
 			break;
@@ -444,12 +444,12 @@ InvokeDevice (BYTE which_device)
 		case PORTAL_SPAWNER_DEVICE:
 #define PORTAL_FUEL_COST (10 * FUEL_TANK_SCALE)
 			if (inHyperSpace ()
-					&& GET_GAME_STATE (SIS.FuelOnBoard) >= PORTAL_FUEL_COST)
+					&& GLOBAL_SIS (FuelOnBoard) >= PORTAL_FUEL_COST)
 			{
 				/* No DeltaSISGauges because the flagship picture
 				 * is currently obscured.
 				 */
-				SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) - PORTAL_FUEL_COST);
+				GLOBAL_SIS (FuelOnBoard) -= PORTAL_FUEL_COST;
 				SET_GAME_STATE (PORTAL_COUNTER, 1);
 				return DEVICE_SUCCESS;
 			}
@@ -674,14 +674,14 @@ DevicesMenu (void)
 
 	SetMenuSounds (MENU_SOUND_ARROWS, MENU_SOUND_SELECT);
 
-	if (GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0
+	if (GLOBAL_SIS (CrewEnlisted) != (COUNT)~0
 			&& !(GLOBAL (CurrentActivity) & CHECK_ABORT))
 	{
 		ClearSISRect (DRAW_SIS_DISPLAY);
 
 		if (!GET_GAME_STATE (PORTAL_COUNTER)
 				&& !(GLOBAL (CurrentActivity) & START_ENCOUNTER)
-				&& GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0)
+				&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
 			return TRUE;
 	}
 	
diff --git a/sc2/src/uqm/planets/generate/gendefault.c b/sc2/src/uqm/planets/generate/gendefault.c
index ee7117582..a88b89cb7 100644
--- a/sc2/src/uqm/planets/generate/gendefault.c
+++ b/sc2/src/uqm/planets/generate/gendefault.c
@@ -106,11 +106,8 @@ GenerateDefault_generateName (const SOLARSYS_STATE *solarSys,
 		const PLANET_DESC *world)
 {
 	COUNT i = planetIndex (solarSys, world);
-	UNICODE buf[ SIS_NAME_SIZE ];
-	utf8StringCopy (buf, SIS_NAME_SIZE,
+	utf8StringCopy (GLOBAL_SIS (PlanetName), sizeof (GLOBAL_SIS (PlanetName)),
 			GAME_STRING (PLANET_NUMBER_BASE + (9 + 7) + i));
-	
-	SET_GAME_STATE_STRING (SIS.PlanetName, buf);
 	SET_GAME_STATE (BATTLE_PLANET, world->data_index);
 
 	return true;
diff --git a/sc2/src/uqm/planets/generate/genmel-modern.cpp b/sc2/src/uqm/planets/generate/genmel-modern.cpp
index 0815053a2..f6db88e40 100644
--- a/sc2/src/uqm/planets/generate/genmel-modern.cpp
+++ b/sc2/src/uqm/planets/generate/genmel-modern.cpp
@@ -51,7 +51,7 @@ namespace
 	{
 		void initNpcs( SolarSystem *solarSys ) override;
 
-		static std::string SelectMelnormeRefVar();
+		static int SelectMelnormeRefVar();
 		static DWORD GetMelnormeRef();
 		static void SetMelnormeRef( DWORD Ref );
 	};
@@ -81,26 +81,26 @@ GenerateMelnorme::initNpcs( SolarSystem *const solarSys )
 }
 
 
-std::string
+int
 GenerateMelnorme::SelectMelnormeRefVar()
 {
 	const auto arg_p= CurStarDescPtr->supArg;
 	const std::string arg= arg_p ? arg_p : "";
 
-	static const std::map< std::string, std::string > lookups
+	static const std::map< std::string, int > lookups
 	{
-		{ "0"s, "MELNORME0_GRPOFFS0" },
-		{ "1"s, "MELNORME1_GRPOFFS0" },
-		{ "2"s, "MELNORME2_GRPOFFS0" },
-		{ "3"s, "MELNORME3_GRPOFFS0" },
-		{ "4"s, "MELNORME4_GRPOFFS0" },
-		{ "5"s, "MELNORME5_GRPOFFS0" },
-		{ "6"s, "MELNORME6_GRPOFFS0" },
-		{ "7"s, "MELNORME7_GRPOFFS0" },
-		{ "8"s, "MELNORME8_GRPOFFS0" },
+		{ "0"s, MELNORME0_GRPOFFS0 },
+		{ "1"s, MELNORME1_GRPOFFS0 },
+		{ "2"s, MELNORME2_GRPOFFS0 },
+		{ "3"s, MELNORME3_GRPOFFS0 },
+		{ "4"s, MELNORME4_GRPOFFS0 },
+		{ "5"s, MELNORME5_GRPOFFS0 },
+		{ "6"s, MELNORME6_GRPOFFS0 },
+		{ "7"s, MELNORME7_GRPOFFS0 },
+		{ "8"s, MELNORME8_GRPOFFS0 },
 	};
 
-	if( not lookups.count( arg ) ) throw std::runtime_error{ "Invalid Melnorme system" };
+	if( not lookups.count( arg ) ) return -1;
 
 	return lookups.at( arg );
 }
@@ -108,26 +108,26 @@ GenerateMelnorme::SelectMelnormeRefVar()
 DWORD
 GenerateMelnorme::GetMelnormeRef()
 {
-	const auto RefVar = SelectMelnormeRefVar ();
-	//if (RefVar < 0)
-	//{
-		//log_add (log_Warning, "GetMelnormeRef(): reference unknown");
-		//return 0;
-	//}
+	int RefVar = SelectMelnormeRefVar ();
+	if (RefVar < 0)
+	{
+		log_add (log_Warning, "GetMelnormeRef(): reference unknown");
+		return 0;
+	}
 
-	return getGameState_json( RefVar.c_str() );
+	return GET_GAME_STATE_32 (RefVar);
 }
 
 void
 GenerateMelnorme::SetMelnormeRef( DWORD Ref )
 {
-	const auto RefVar = SelectMelnormeRefVar ();
-	//if (RefVar < 0)
-	//{
-		//log_add (log_Warning, "SetMelnormeRef(): reference unknown");
-		//return;
-	//}
+	int RefVar = SelectMelnormeRefVar ();
+	if (RefVar < 0)
+	{
+		log_add (log_Warning, "SetMelnormeRef(): reference unknown");
+		return;
+	}
 
-	setGameState_json (RefVar.c_str(), Ref);
+	SET_GAME_STATE_32 (RefVar, Ref);
 }
 
diff --git a/sc2/src/uqm/planets/generate/genpet-modern.cpp b/sc2/src/uqm/planets/generate/genpet-modern.cpp
index 5abadac75..f60fa7335 100644
--- a/sc2/src/uqm/planets/generate/genpet-modern.cpp
+++ b/sc2/src/uqm/planets/generate/genpet-modern.cpp
@@ -241,10 +241,10 @@ GenerateTalkingPet::ZapToUrquanEncounter()
 				+ (FUEL_TANK_SCALE >> 1);
 
 		DeltaSISGauges (0, -dx, 0);
-		if (GET_GAME_STATE (SIS.FuelOnBoard) < 5 * FUEL_TANK_SCALE)
+		if (GLOBAL_SIS (FuelOnBoard) < 5 * FUEL_TANK_SCALE)
 		{
 			dx = ((5 + ((COUNT)TFB_Random () % 5)) * FUEL_TANK_SCALE)
-					- (SIZE)GET_GAME_STATE (SIS.FuelOnBoard);
+					- (SIZE)GLOBAL_SIS (FuelOnBoard);
 			DeltaSISGauges (0, dx, 0);
 		}
 		DrawSISMessage (NULL);
diff --git a/sc2/src/uqm/planets/generate/gensol-modern.cpp b/sc2/src/uqm/planets/generate/gensol-modern.cpp
index 2e750a2d1..1d4c36e8d 100644
--- a/sc2/src/uqm/planets/generate/gensol-modern.cpp
+++ b/sc2/src/uqm/planets/generate/gensol-modern.cpp
@@ -340,26 +340,28 @@ GenerateSol::generateName (const SolarSystem *const solarSys,
 	if( matchWorld( solarSys, world, 3, 0 ) )
 	{
 		fprintf( stderr, "ADAM: Trying to set Phobos\n" );
-		setGameState_string_json( "SIS.PlanetName", "Phobos" );
+		utf8StringCopy( GLOBAL_SIS( PlanetName ), sizeof( GLOBAL_SIS( PlanetName ) ),
+			"Phobos" );
 	}
 	else if( matchWorld( solarSys, world, 3, 1 ) )
 	{
 		fprintf( stderr, "ADAM: Trying to set Deimos\n" );
-		setGameState_string_json( "SIS.PlanetName", "Deimos" );
+		utf8StringCopy( GLOBAL_SIS( PlanetName ), sizeof( GLOBAL_SIS( PlanetName ) ),
+			"Deimos" );
 	}
 	else if( matchWorld( solarSys, world, 4, MATCH_PLANET ) )
 	{
 		fprintf( stderr, "ADAM: Trying to set Ceres\n" );
-		setGameState_string_json( "SIS.PlanetName", "Ceres" );
+		utf8StringCopy( GLOBAL_SIS( PlanetName ), sizeof( GLOBAL_SIS( PlanetName ) ),
+			"Ceres" );
 	}
 	else
 	{
 		fprintf( stderr, "ADAM: Trying to set from default to: %s\n", GAME_STRING( PLANET_NUMBER_BASE + planetNr ) );
 		COUNT xPlanetNr= planetNr;
 		if( xPlanetNr > 4 ) xPlanetNr-= 1;
-		std::string tmp= GAME_STRING (PLANET_NUMBER_BASE + xPlanetNr);
-		if( tmp.size() > SIS_NAME_SIZE ) tmp= tmp.substr( 0, SIS_NAME_SIZE );
-		setGameState_string_json( "SIS.PlanetName", tmp.c_str() );
+		utf8StringCopy (GLOBAL_SIS (PlanetName), sizeof (GLOBAL_SIS (PlanetName)),
+				GAME_STRING (PLANET_NUMBER_BASE + xPlanetNr));
 	}
 
 	SET_GAME_STATE (BATTLE_PLANET, solarSys->PlanetDesc[planetNr].data_index);
diff --git a/sc2/src/uqm/planets/lander.c b/sc2/src/uqm/planets/lander.c
index 5276de8f1..17aad8fe5 100644
--- a/sc2/src/uqm/planets/lander.c
+++ b/sc2/src/uqm/planets/lander.c
@@ -1328,7 +1328,7 @@ AnimateLanderWarmup (void)
 	animationInterframe (&TimeIn, 2);
 
 	for (num_crew = 0; num_crew < (NUM_CREW_COLS * NUM_CREW_ROWS)
-			&& GET_GAME_STATE (SIS.CrewEnlisted); ++num_crew)
+			&& GLOBAL_SIS (CrewEnlisted); ++num_crew)
 	{
 		animationInterframe (&TimeIn, 1);
 		
diff --git a/sc2/src/uqm/planets/planets.c b/sc2/src/uqm/planets/planets.c
index d85f53d1c..c76c2bbe6 100644
--- a/sc2/src/uqm/planets/planets.c
+++ b/sc2/src/uqm/planets/planets.c
@@ -198,7 +198,7 @@ DrawOrbitalDisplay (DRAW_ORBITAL_MODE Mode)
 
 		DrawSISFrame ();
 		DrawSISMessage (NULL);
-		DrawSISTitle (GET_GAME_STATE_STRING (SIS.PlanetName));
+		DrawSISTitle (GLOBAL_SIS (PlanetName));
 		DrawStarBackGround ();
 		DrawPlanetSurfaceBorder ();
 	}
@@ -369,7 +369,7 @@ DoPlanetOrbit (MENU_STATE *pMS)
 	BOOLEAN handled;
 
 	if ((GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
-			|| GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0)
+			|| GLOBAL_SIS (CrewEnlisted) == (COUNT)~0)
 		return FALSE;
 
 	// XXX: pMS actually refers to pSolarSysState->MenuState
diff --git a/sc2/src/uqm/planets/pstarmap.c b/sc2/src/uqm/planets/pstarmap.c
index efdec3532..adf368514 100644
--- a/sc2/src/uqm/planets/pstarmap.c
+++ b/sc2/src/uqm/planets/pstarmap.c
@@ -342,7 +342,7 @@ DrawStarMap (COUNT race_update, RECT *pClipRect)
 	// Draw the fuel range circle
 	if (race_update == 0
 			&& which_space < 2
-			&& (diameter = (long)GET_GAME_STATE (SIS.FuelOnBoard) << 1))
+			&& (diameter = (long)GLOBAL_SIS (FuelOnBoard) << 1))
 	{
 		Color OldColor;
 
diff --git a/sc2/src/uqm/planets/roster.c b/sc2/src/uqm/planets/roster.c
index b95d89f9b..663ac2836 100644
--- a/sc2/src/uqm/planets/roster.c
+++ b/sc2/src/uqm/planets/roster.c
@@ -275,14 +275,14 @@ DoModifyRoster (MENU_STATE *pMS)
 
 		if (up)
 		{
-			if (GET_GAME_STATE (SIS.CrewEnlisted))
+			if (GLOBAL_SIS (CrewEnlisted))
 				delta = 1;
 			else
 				failed = TRUE;
 		}
 		else if (down)
 		{
-			if (GET_GAME_STATE (SIS.CrewEnlisted) < GetCrewPodCapacity ())
+			if (GLOBAL_SIS (CrewEnlisted) < GetCrewPodCapacity ())
 				delta = -1;
 			else
 				failed = TRUE;
diff --git a/sc2/src/uqm/planets/scan.c b/sc2/src/uqm/planets/scan.c
index 57ff661f5..3d5d9fd7b 100644
--- a/sc2/src/uqm/planets/scan.c
+++ b/sc2/src/uqm/planets/scan.c
@@ -1059,9 +1059,9 @@ DoScan (MENU_STATE *pMS)
 			}
 
 			fuel_required = getLandingFuelNeeded ();
-			if (GET_GAME_STATE (SIS.FuelOnBoard) < fuel_required
+			if (GLOBAL_SIS (FuelOnBoard) < fuel_required
 					|| GLOBAL_SIS (NumLanders) == 0
-					|| GET_GAME_STATE (SIS.CrewEnlisted) == 0)
+					|| GLOBAL_SIS (CrewEnlisted) == 0)
 			{
 				PlayMenuSound (MENU_SOUND_FAILURE);
 				return TRUE;
diff --git a/sc2/src/uqm/planets/solarsys.c b/sc2/src/uqm/planets/solarsys.c
index 35dd76fdd..d351181a3 100644
--- a/sc2/src/uqm/planets/solarsys.c
+++ b/sc2/src/uqm/planets/solarsys.c
@@ -1207,7 +1207,7 @@ DrawInnerSystem (void)
 {
 	ValidateInnerOrbits ();
 	DrawSystem (pSolarSysState->pOrbitalDesc->radius, TRUE);
-	DrawSISTitle (GET_GAME_STATE_STRING (SIS.PlanetName));
+	DrawSISTitle (GLOBAL_SIS (PlanetName));
 }
 
 static void
@@ -1279,7 +1279,7 @@ EnterPlanetOrbit (void)
 			pSolarSysState->pOrbitalDesc);
 	LastActivity &= ~(CHECK_LOAD | CHECK_RESTART);
 	if ((GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD |
-			START_ENCOUNTER)) || GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0
+			START_ENCOUNTER)) || GLOBAL_SIS (CrewEnlisted) == (COUNT)~0
 			|| GET_GAME_STATE (CHMMR_BOMB_STATE) == 2)
 		return;
 
@@ -1298,7 +1298,7 @@ EnterPlanetOrbit (void)
 	// Could also have blown self up with Utwig Bomb
 	if (!(GLOBAL (CurrentActivity) & (START_ENCOUNTER |
 			CHECK_ABORT | CHECK_LOAD))
-			&& GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0)
+			&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
 	{	// Reload the system and return to the inner view
 		PLANET_DESC *orbital = LoadSolarSys ();
 		assert (!orbital);
@@ -1857,7 +1857,7 @@ GetPlanetOrMoonName (UNICODE *buf, COUNT bufsize)
 	}
 		
 	// Either not named or we already have a name
-	utf8StringCopy (buf, bufsize, GET_GAME_STATE_STRING (SIS.PlanetName));
+	utf8StringCopy (buf, bufsize, GLOBAL_SIS (PlanetName));
 
 	if (!playerInSolarSystem () || !playerInInnerSystem () ||
 			worldIsPlanet (pSolarSysState, pSolarSysState->pOrbitalDesc))
@@ -1923,7 +1923,7 @@ DoSolarSysMenu (MENU_STATE *pMS)
 	BOOLEAN handled;
 
 	if ((GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
-			|| GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0)
+			|| GLOBAL_SIS (CrewEnlisted) == (COUNT)~0)
 		return FALSE;
 
 	handled = DoMenuChooser (pMS, PM_STARMAP);
@@ -2038,5 +2038,5 @@ DoIpFlight (SOLARSYS_STATE *pSS)
 	return (!(GLOBAL (CurrentActivity)
 			& (START_ENCOUNTER | END_INTERPLANETARY
 			| CHECK_ABORT | CHECK_LOAD))
-			&& GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0);
+			&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0);
 }
diff --git a/sc2/src/uqm/restart.c b/sc2/src/uqm/restart.c
index 524b1dc71..f52e753b4 100644
--- a/sc2/src/uqm/restart.c
+++ b/sc2/src/uqm/restart.c
@@ -260,7 +260,7 @@ RestartMenu (MENU_STATE *pMS)
 	SetContext (ScreenContext);
 
 	GLOBAL (CurrentActivity) |= CHECK_ABORT;
-	if (GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0
+	if (GLOBAL_SIS (CrewEnlisted) == (COUNT)~0
 			&& GET_GAME_STATE (UTWIG_BOMB_ON_SHIP)
 			&& !GET_GAME_STATE (UTWIG_BOMB))
 	{	// player blew himself up with Utwig bomb
diff --git a/sc2/src/uqm/save.h b/sc2/src/uqm/save.h
index 457496953..28852b8ae 100644
--- a/sc2/src/uqm/save.h
+++ b/sc2/src/uqm/save.h
@@ -65,11 +65,11 @@ typedef struct
 
 extern ACTIVITY NextActivity;
 
-extern bool LoadGame (COUNT which_game, SUMMARY_DESC *summary_desc);
-extern bool LoadLegacyGame (COUNT which_game, SUMMARY_DESC *summary_desc);
+extern BOOLEAN LoadGame (COUNT which_game, SUMMARY_DESC *summary_desc);
+extern BOOLEAN LoadLegacyGame (COUNT which_game, SUMMARY_DESC *summary_desc);
 
 extern void SaveProblem (void);
-extern bool SaveGame (COUNT which_game, SUMMARY_DESC *summary_desc, const char *name);
+extern BOOLEAN SaveGame (COUNT which_game, SUMMARY_DESC *summary_desc, const char *name);
 
 #if defined(__cplusplus)
 }
diff --git a/sc2/src/uqm/ships/sis_ship/sis_ship.c b/sc2/src/uqm/ships/sis_ship/sis_ship.c
index f1983a207..fd24115eb 100644
--- a/sc2/src/uqm/ships/sis_ship/sis_ship.c
+++ b/sc2/src/uqm/ships/sis_ship/sis_ship.c
@@ -243,7 +243,7 @@ LeaveAutoPilot:
 		(GLOBAL (autopilot)).x =
 				(GLOBAL (autopilot)).y = ~0;
 		if (!(StarShipPtr->cur_status_flags & THRUST)
-				|| (GET_GAME_STATE (SIS.FuelOnBoard) == 0
+				|| (GLOBAL_SIS (FuelOnBoard) == 0
 				&& GET_GAME_STATE (ARILOU_SPACE_SIDE) <= 1))
 		{
 			AccelerateDirection = -1;
@@ -314,7 +314,7 @@ LeaveAutoPilot:
 		}
 
 		GetCurrentVelocityComponents (&ElementPtr->velocity, &dx, &dy);
-		if ((GET_GAME_STATE (SIS.FuelOnBoard)
+		if ((GLOBAL_SIS (FuelOnBoard)
 				|| GET_GAME_STATE (ARILOU_SPACE_SIDE) > 1)
 				&& (int)facing == (int)StarShipPtr->ShipFacing)
 		{
@@ -1029,7 +1029,7 @@ init_sis (void)
 	{
 		// Count the captain too.
 		new_sis_desc.ship_info.max_crew++;
-		new_sis_desc.ship_info.crew_level = GET_GAME_STATE (SIS.CrewEnlisted) + 1;
+		new_sis_desc.ship_info.crew_level = GLOBAL_SIS (CrewEnlisted) + 1;
 		new_sis_desc.ship_info.ship_flags |= PLAYER_CAPTAIN;
 	}
 	
@@ -1045,9 +1045,9 @@ uninit_sis (RACE_DESC *pRaceDesc)
 {
 	if (!inHQSpace ())
 	{
-		SET_GAME_STATE (SIS.CrewEnlisted, pRaceDesc->ship_info.crew_level);
+		GLOBAL_SIS (CrewEnlisted) = pRaceDesc->ship_info.crew_level;
 		if (pRaceDesc->ship_info.ship_flags & PLAYER_CAPTAIN)
-			SET_GAME_STATE (SIS.CrewEnlisted, GET_GAME_STATE (SIS.CrewEnlisted) - 1);
+			GLOBAL_SIS (CrewEnlisted)--;
 	}
 
 	SetCustomShipData (pRaceDesc, NULL);
diff --git a/sc2/src/uqm/shipstat.c b/sc2/src/uqm/shipstat.c
index 4ff25a1e0..040542660 100644
--- a/sc2/src/uqm/shipstat.c
+++ b/sc2/src/uqm/shipstat.c
@@ -56,16 +56,14 @@ DrawCrewFuelString (COORD y, SIZE state)
 }
 
 static void
-DrawShipNameString (const UNICODE *pStr, COUNT CharCount, COORD y)
+DrawShipNameString (UNICODE *pStr, COUNT CharCount, COORD y)
 {
 	TEXT Text;
 	FONT OldFont;
-	UNICODE buf[ SIS_NAME_SIZE ];
-	strncpy( buf, pStr, SIS_NAME_SIZE );
 
 	OldFont = SetContextFont (StarConFont);
 
-	Text.pStr = buf;
+	Text.pStr = pStr;
 	Text.CharCount = CharCount;
 	Text.align = ALIGN_CENTER;
 
@@ -279,7 +277,7 @@ InitShipStatus (SHIP_INFO *SIPtr, STARSHIP *StarShipPtr, RECT *pClipRect)
 	else if (StarShipPtr->playerNr == RPG_PLAYER_NUM)
 	{	// This is SIS
 		DrawCrewFuelString (y, 0);
-		DrawShipNameString (GET_GAME_STATE_STRING (SIS.ShipName), (COUNT)~0, y);
+		DrawShipNameString (GLOBAL_SIS (ShipName), (COUNT)~0, y);
 	}
 
 	{
diff --git a/sc2/src/uqm/shipyard.c b/sc2/src/uqm/shipyard.c
index 64cff79b8..f317ba338 100644
--- a/sc2/src/uqm/shipyard.c
+++ b/sc2/src/uqm/shipyard.c
@@ -522,7 +522,7 @@ CrewTransaction (SIZE crew_delta)
 			if (crew_bought >= CREW_EXPENSE_THRESHOLD
 					&& crew_bought - crew_delta < CREW_EXPENSE_THRESHOLD)
 			{
-				SET_GAME_STATE (CrewCost, GET_GAME_STATE (CrewCost) + 2);
+				GLOBAL (CrewCost) += 2;
 				DrawMenuStateStrings (PM_CREW, SHIPYARD_CREW);
 			}
 		}
@@ -531,7 +531,7 @@ CrewTransaction (SIZE crew_delta)
 			if (crew_bought < CREW_EXPENSE_THRESHOLD
 					&& crew_bought - crew_delta >= CREW_EXPENSE_THRESHOLD)
 			{
-				SET_GAME_STATE (CrewCost, GET_GAME_STATE (CrewCost) - 2);
+				GLOBAL (CrewCost) -= 2;
 				DrawMenuStateStrings (PM_CREW, SHIPYARD_CREW);
 			}
 		}
@@ -724,7 +724,7 @@ DMS_HireFlagShipCrew (void)
 		return 0;
 	}
 		
-	if (GET_GAME_STATE (SIS.ResUnits) < (DWORD)GET_GAME_STATE (CrewCost))
+	if (GLOBAL_SIS (ResUnits) < (DWORD)GLOBAL (CrewCost))
 	{
 		// Not enough RUs.
 		return 0;
@@ -736,7 +736,7 @@ DMS_HireFlagShipCrew (void)
 	// Update the crew counter and RU. Note that the crew counter is
 	// flashing.
 	PreUpdateFlashRect ();
-	DeltaSISGauges (1, 0, -GET_GAME_STATE (CrewCost));
+	DeltaSISGauges (1, 0, -GLOBAL (CrewCost));
 	PostUpdateFlashRect ();
 
 	return 1;
@@ -765,7 +765,7 @@ DMS_DismissFlagShipCrew (void)
 	// Update the crew counter and RU. Note that the crew counter is
 	// flashing.
 	PreUpdateFlashRect ();
-	DeltaSISGauges (-1, 0, GET_GAME_STATE (CrewCost) -
+	DeltaSISGauges (-1, 0, GLOBAL (CrewCost) -
 			(crew_bought == CREW_EXPENSE_THRESHOLD ? 2 : 0));
 	PostUpdateFlashRect ();
 
@@ -797,7 +797,7 @@ DMS_HireEscortShipCrew (SHIP_FRAGMENT *StarShipPtr)
 		UnlockFleetInfo (&GLOBAL (avail_race_q), hTemplate);
 	}
 	
-	if (GET_GAME_STATE (SIS.ResUnits) < (DWORD)GET_GAME_STATE (CrewCost))
+	if (GLOBAL_SIS (ResUnits) < (DWORD)GLOBAL (CrewCost))
 	{
 		// Not enough money to hire a crew member.
 		return 0;
@@ -817,7 +817,7 @@ DMS_HireEscortShipCrew (SHIP_FRAGMENT *StarShipPtr)
 
 	if (StarShipPtr->crew_level > 0)
 	{
-		DeltaSISGauges (0, 0, -GET_GAME_STATE (CrewCost));
+		DeltaSISGauges (0, 0, -GLOBAL (CrewCost));
 	}
 	else
 	{
@@ -855,7 +855,7 @@ DMS_DismissEscortShipCrew (SHIP_FRAGMENT *StarShipPtr)
 					GET_GAME_STATE (CREW_PURCHASED0),
 					GET_GAME_STATE (CREW_PURCHASED1));
 
-			DeltaSISGauges (0, 0, GET_GAME_STATE (CrewCost)
+			DeltaSISGauges (0, 0, GLOBAL (CrewCost)
 					- (crew_bought == CREW_EXPENSE_THRESHOLD ? 2 : 0));
 		}
 		else
@@ -956,7 +956,7 @@ DMS_TryAddEscortShip (MENU_STATE *pMS)
 			LOBYTE (pMS->delta_item));
 	COUNT Index = GetIndexFromStarShip (&GLOBAL (avail_race_q), shipInfo);
 
-	if (GET_GAME_STATE (SIS.ResUnits) >= (DWORD)ShipCost[Index]
+	if (GLOBAL_SIS (ResUnits) >= (DWORD)ShipCost[Index]
 			&& CloneShipFragment (Index, &GLOBAL (built_ship_q), 1))
 	{
 		ShowCombatShip (pMS, pMS->CurState, NULL);
@@ -1318,8 +1318,8 @@ DrawBluePrint (MENU_STATE *pMS)
 	}
 
 	{
-		num_frames = GET_GAME_STATE (SIS.CrewEnlisted);
-		SET_GAME_STATE (SIS.CrewEnlisted, 0);
+		num_frames = GLOBAL_SIS (CrewEnlisted);
+		GLOBAL_SIS (CrewEnlisted) = 0;
 
 		while (num_frames--)
 		{
@@ -1328,7 +1328,7 @@ DrawBluePrint (MENU_STATE *pMS)
 			GetCPodCapacity (&pt);
 			DrawPoint (&pt);
 
-			SET_GAME_STATE( SIS.CrewEnlisted, GET_GAME_STATE (SIS.CrewEnlisted) + 1 );
+			++GLOBAL_SIS (CrewEnlisted);
 		}
 	}
 	{
@@ -1351,13 +1351,13 @@ DrawBluePrint (MENU_STATE *pMS)
 			num_frames -= m;
 		}
 	}
-	if (GET_GAME_STATE (SIS.FuelOnBoard) > FUEL_RESERVE)
+	if (GLOBAL_SIS (FuelOnBoard) > FUEL_RESERVE)
 	{
 		DWORD FuelVolume;
 		RECT r;
 
-		FuelVolume = GET_GAME_STATE (SIS.FuelOnBoard) - FUEL_RESERVE;
-		SET_GAME_STATE (SIS.FuelOnBoard, FUEL_RESERVE);
+		FuelVolume = GLOBAL_SIS (FuelOnBoard) - FUEL_RESERVE;
+		GLOBAL_SIS (FuelOnBoard) = FUEL_RESERVE;
 
 		r.extent.width = 3;
 		r.extent.height = 1;
@@ -1375,7 +1375,7 @@ DrawBluePrint (MENU_STATE *pMS)
 			DrawFilledRectangle (&r);
 			m = FuelVolume < FUEL_VOLUME_PER_ROW ?
 					(COUNT)FuelVolume : FUEL_VOLUME_PER_ROW;
-			SET_GAME_STATE( SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) + m );
+			GLOBAL_SIS (FuelOnBoard) += m;
 			FuelVolume -= m;
 		}
 	}
diff --git a/sc2/src/uqm/sis.c b/sc2/src/uqm/sis.c
index 4abb3a96f..f5c0af784 100644
--- a/sc2/src/uqm/sis.c
+++ b/sc2/src/uqm/sis.c
@@ -123,18 +123,16 @@ ClearSISRect (BYTE ClearFlags)
 // right hand side, containing the coordinates in HyperSpace, or the planet
 // name in IP.
 void
-DrawSISTitle (const UNICODE *pStr)
+DrawSISTitle (UNICODE *pStr)
 {
 	TEXT t;
 	CONTEXT OldContext;
 	RECT r;
-	UNICODE buf[ SIS_NAME_SIZE ];
-	strncpy( buf, pStr, SIS_NAME_SIZE );
 
 	t.baseline.x = SIS_TITLE_WIDTH >> 1;
 	t.baseline.y = SIS_TITLE_HEIGHT - 2;
 	t.align = ALIGN_CENTER;
-	t.pStr = buf;
+	t.pStr = pStr;
 	t.CharCount = (COUNT)~0;
 
 	OldContext = SetContext (OffScreenContext);
@@ -400,7 +398,7 @@ DrawStatusMessage (const UNICODE *pStr)
 		{
 			if (GET_GAME_STATE (CHMMR_BOMB_STATE) < 2)
 			{
-				snprintf (buf, sizeof buf, "%u %s", GET_GAME_STATE (SIS.ResUnits),
+				snprintf (buf, sizeof buf, "%u %s", GLOBAL_SIS (ResUnits),
 						GAME_STRING (STATUS_STRING_BASE + 1)); // "RU"
 			}
 			else
@@ -468,7 +466,7 @@ DrawCaptainsName (void)
 	t.baseline.x = (STATUS_WIDTH >> 1) - 1;
 	t.baseline.y = r.corner.y + 6;
 	t.align = ALIGN_CENTER;
-	t.pStr = GET_GAME_STATE_STRING (SIS.CommanderName);
+	t.pStr = GLOBAL_SIS (CommanderName);
 	t.CharCount = (COUNT)~0;
 	SetContextForeGroundColor (CAPTAIN_NAME_TEXT_COLOR);
 	font_DrawText (&t);
@@ -499,7 +497,7 @@ DrawFlagshipName (BOOLEAN InStatusArea)
 		r.extent.width = SHIP_NAME_WIDTH;
 		r.extent.height = SHIP_NAME_HEIGHT;
 
-		t.pStr = GET_GAME_STATE_STRING (SIS.ShipName);
+		t.pStr = GLOBAL_SIS (ShipName);
 	}
 	else
 	{
@@ -513,7 +511,7 @@ DrawFlagshipName (BOOLEAN InStatusArea)
 
 		t.pStr = buf;
 		snprintf (buf, sizeof buf, "%s %s",
-				GAME_STRING (NAMING_STRING_BASE + 1), GET_GAME_STATE_STRING (SIS.ShipName));
+				GAME_STRING (NAMING_STRING_BASE + 1), GLOBAL_SIS (ShipName));
 		// XXX: this will not work with UTF-8 strings
 		strupr (buf);
 	}
@@ -991,14 +989,14 @@ DeltaSISGauges_crewDelta (SIZE crew_delta)
 		COUNT CrewCapacity;
 
 		if (crew_delta < 0
-				&& GET_GAME_STATE (SIS.CrewEnlisted) <= (COUNT)-crew_delta)
-			SET_GAME_STATE (SIS.CrewEnlisted, 0);
+				&& GLOBAL_SIS (CrewEnlisted) <= (COUNT)-crew_delta)
+			GLOBAL_SIS (CrewEnlisted) = 0;
 		else
 		{
-			SET_GAME_STATE (SIS.CrewEnlisted, GET_GAME_STATE (SIS.CrewEnlisted) + crew_delta);
+			GLOBAL_SIS (CrewEnlisted) += crew_delta;
 			CrewCapacity = GetCrewPodCapacity ();
-			if (GET_GAME_STATE (SIS.CrewEnlisted) > CrewCapacity)
-				SET_GAME_STATE(SIS.CrewEnlisted, CrewCapacity);
+			if (GLOBAL_SIS (CrewEnlisted) > CrewCapacity)
+				GLOBAL_SIS (CrewEnlisted) = CrewCapacity;
 		}
 	}
 
@@ -1007,7 +1005,7 @@ DeltaSISGauges_crewDelta (SIZE crew_delta)
 		UNICODE buf[60];
 		RECT r;
 
-		snprintf (buf, sizeof buf, "%u", GET_GAME_STATE (SIS.CrewEnlisted));
+		snprintf (buf, sizeof buf, "%u", GLOBAL_SIS (CrewEnlisted));
 
 		GetGaugeRect (&r, TRUE);
 		
@@ -1040,23 +1038,23 @@ DeltaSISGauges_fuelDelta (SIZE fuel_delta)
 	{
 
 		old_coarse_fuel = (COUNT)(
-				GET_GAME_STATE (SIS.FuelOnBoard) / FUEL_TANK_SCALE);
+				GLOBAL_SIS (FuelOnBoard) / FUEL_TANK_SCALE);
 		if (fuel_delta < 0
-				&& GET_GAME_STATE (SIS.FuelOnBoard) <= (DWORD)-fuel_delta)
+				&& GLOBAL_SIS (FuelOnBoard) <= (DWORD)-fuel_delta)
 		{
-			SET_GAME_STATE (SIS.FuelOnBoard, 0);
+			GLOBAL_SIS (FuelOnBoard) = 0;
 		}
 		else
 		{
 			DWORD FuelCapacity = GetFuelTankCapacity ();
-			SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) + fuel_delta);
-			if (GET_GAME_STATE (SIS.FuelOnBoard) > FuelCapacity)
-				SET_GAME_STATE (SIS.FuelOnBoard, FuelCapacity);
+			GLOBAL_SIS (FuelOnBoard) += fuel_delta;
+			if (GLOBAL_SIS (FuelOnBoard) > FuelCapacity)
+				GLOBAL_SIS (FuelOnBoard) = FuelCapacity;
 		}
 	}
 
 	new_coarse_fuel = (COUNT)(
-			GET_GAME_STATE (SIS.FuelOnBoard) / FUEL_TANK_SCALE);
+			GLOBAL_SIS (FuelOnBoard) / FUEL_TANK_SCALE);
 	if (new_coarse_fuel != old_coarse_fuel)
 	{
 		TEXT t;
@@ -1090,10 +1088,10 @@ DeltaSISGauges_resunitDelta (SIZE resunit_delta)
 	if (resunit_delta != UNDEFINED_DELTA)
 	{
 		if (resunit_delta < 0
-				&& GET_GAME_STATE (SIS.ResUnits) <= (DWORD)-resunit_delta)
-			SET_GAME_STATE (SIS.ResUnits, 0);
+				&& GLOBAL_SIS (ResUnits) <= (DWORD)-resunit_delta)
+			GLOBAL_SIS (ResUnits) = 0;
 		else
-			SET_GAME_STATE (SIS.ResUnits, GET_GAME_STATE (SIS.ResUnits) + resunit_delta);
+			GLOBAL_SIS (ResUnits) += resunit_delta;
 
 		assert (curMsgMode == SMM_RES_UNITS);
 	}
@@ -1171,7 +1169,7 @@ DeltaSISGauges (SIZE crew_delta, SIZE fuel_delta, int resunit_delta)
 COUNT
 GetCrewCount (void)
 {
-	return GET_GAME_STATE (SIS.CrewEnlisted);
+	return GLOBAL_SIS (CrewEnlisted);
 }
 
 // Get the number of crew which fit in a module of a specified type.
@@ -1378,7 +1376,7 @@ GetSBayCapacity (POINT *ppt)
 static DWORD
 GetFuelTotal (void)
 {
-	return GET_GAME_STATE (SIS.FuelOnBoard);
+	return GLOBAL_SIS (FuelOnBoard);
 }
 
 // Get the amount of fuel which fits in a module of a specified type.
@@ -1546,7 +1544,7 @@ DrawAutoPilotMessage (BOOLEAN Reset)
 	}
 
 	OnAutoPilot = (GLOBAL (autopilot.x) != ~0 && GLOBAL (autopilot.y) != ~0)
-			|| GET_GAME_STATE (SIS.FuelOnBoard) == 0;
+			|| GLOBAL_SIS (FuelOnBoard) == 0;
 
 	if (OnAutoPilot || LastPilot)
 	{
@@ -1558,13 +1556,13 @@ DrawAutoPilotMessage (BOOLEAN Reset)
 		else if (GetTimeCounter () >= NextTime)
 		{
 			if (!(GLOBAL (CurrentActivity) & CHECK_ABORT)
-					&& GET_GAME_STATE (SIS.CrewEnlisted) != (COUNT)~0)
+					&& GLOBAL_SIS (CrewEnlisted) != (COUNT)~0)
 			{
 				CONTEXT OldContext;
 
 				OldContext = SetContext (OffScreenContext);
 				SetContextForeGroundColor (cycle_tab[cycle_index]);
-				if (GET_GAME_STATE (SIS.FuelOnBoard) == 0)
+				if (GLOBAL_SIS (FuelOnBoard) == 0)
 				{
 					DrawSISMessageEx (GAME_STRING (NAVIGATION_STRING_BASE + 2),
 							-1, -1, DSME_MYCOLOR);   // "OUT OF FUEL"
diff --git a/sc2/src/uqm/sis.h b/sc2/src/uqm/sis.h
index 4ae3304bc..4af573cfb 100644
--- a/sc2/src/uqm/sis.h
+++ b/sc2/src/uqm/sis.h
@@ -133,10 +133,10 @@ typedef struct
 {
 	SDWORD log_x, log_y;
 
-	//DWORD ResUnits;
+	DWORD ResUnits;
 
-	//DWORD FuelOnBoard;
-	//COUNT CrewEnlisted;
+	DWORD FuelOnBoard;
+	COUNT CrewEnlisted;
 			// Number of crew on board, not counting the captain.
 			// Set to (COUNT) ~0 to indicate game over.
 	COUNT TotalElementMass, TotalBioMass;
@@ -149,11 +149,9 @@ typedef struct
 
 	COUNT ElementAmounts[NUM_ELEMENT_CATEGORIES];
 
-/*
 	UNICODE ShipName[SIS_NAME_SIZE];
 	UNICODE CommanderName[SIS_NAME_SIZE];
 	UNICODE PlanetName[SIS_NAME_SIZE];
-*/
 } SIS_STATE;
 
 #define OVERRIDE_LANDER_FLAGS (1 << 7)
@@ -172,7 +170,7 @@ extern void ContinueFlash (void);
 #define SFR_MENU_3DO ((RECT*)~0L)
 #define SFR_MENU_ANY ((RECT*)~1L)
 extern void DrawHyperCoords (POINT puniverse);
-extern void DrawSISTitle (const UNICODE *pStr);
+extern void DrawSISTitle (UNICODE *pStr);
 
 // Flags for DrawSISMessageEx (may be OR'ed):
 #define DSME_NONE     0
diff --git a/sc2/src/uqm/starbase.c b/sc2/src/uqm/starbase.c
index 4ad1bfed0..26cf0185e 100644
--- a/sc2/src/uqm/starbase.c
+++ b/sc2/src/uqm/starbase.c
@@ -474,7 +474,7 @@ VisitStarBase (void)
 		UnlockShipFrag (&GLOBAL (npc_built_ship_q), hStarShip);
 
 		InitCommunication (ILWRATH_CONVERSATION);
-		if (GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0
+		if (GLOBAL_SIS (CrewEnlisted) == (COUNT)~0
 				|| (GLOBAL (CurrentActivity) & CHECK_ABORT))
 			return; // Killed by Ilwrath
 		
@@ -496,7 +496,7 @@ VisitStarBase (void)
 		// Starbase becomes available for the first time, or after Chmmr
 		// install the bomb.
 		DoTimePassage ();
-		if (GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0)
+		if (GLOBAL_SIS (CrewEnlisted) == (COUNT)~0)
 			return; // You are now dead! Thank you! (killed by Kohr-Ah)
 
 		SetCommIntroMode (CIM_FADE_IN_SCREEN, ONE_SECOND * 2);
diff --git a/sc2/src/uqm/starcon.c b/sc2/src/uqm/starcon.c
index cbd51512d..5903e6860 100644
--- a/sc2/src/uqm/starcon.c
+++ b/sc2/src/uqm/starcon.c
@@ -292,7 +292,7 @@ while (--ac > 0)
 			if (!(GLOBAL (CurrentActivity) & (CHECK_ABORT | CHECK_LOAD))
 					&& (LOBYTE (GLOBAL (CurrentActivity)) == WON_LAST_BATTLE
 							// if died for some reason
-					|| GET_GAME_STATE (SIS.CrewEnlisted) == (COUNT)~0))
+					|| GLOBAL_SIS (CrewEnlisted) == (COUNT)~0))
 			{
 				if (GET_GAME_STATE (KOHR_AH_KILLED_ALL))
 					InitCommunication (BLACKURQ_CONVERSATION);
diff --git a/sc2/src/uqm/status.c b/sc2/src/uqm/status.c
index 12e633c80..6a588a893 100644
--- a/sc2/src/uqm/status.c
+++ b/sc2/src/uqm/status.c
@@ -270,7 +270,7 @@ DrawCaptainsWindow (STARSHIP *StarShipPtr)
 		t.baseline.x = STATUS_WIDTH >> 1;
 		t.baseline.y = y + 6;
 		t.align = ALIGN_CENTER;
-		t.pStr = GET_GAME_STATE_STRING (SIS.CommanderName);
+		t.pStr = GLOBAL_SIS (CommanderName);
 		t.CharCount = (COUNT)~0;
 		SetContextForeGroundColor (
 				BUILD_COLOR (MAKE_RGB15 (0x00, 0x14, 0x00), 0x02));
diff --git a/sc2/src/uqm/uqmdebug.c b/sc2/src/uqm/uqmdebug.c
index 90e436142..9dc0d4e52 100644
--- a/sc2/src/uqm/uqmdebug.c
+++ b/sc2/src/uqm/uqmdebug.c
@@ -284,10 +284,11 @@ equipShip (void)
 		GLOBAL_SIS (JetSlots[i]) = TURNING_JETS;
 
 	// Shields:
-	SET_GAME_STATE (LANDER_SHIELD_BIO, 1);
-	SET_GAME_STATE (LANDER_SHIELD_QUAKE, 1);
-	SET_GAME_STATE (LANDER_SHIELD_LIGHTNING, 1);
-	SET_GAME_STATE (LANDER_SHIELD_HEAT, 1);
+	SET_GAME_STATE (LANDER_SHIELDS,
+			(1 << EARTHQUAKE_DISASTER) |
+			(1 << BIOLOGICAL_DISASTER) |
+			(1 << LIGHTNING_DISASTER) |
+			(1 << LAVASPOT_DISASTER));
 	// Lander upgrades:
 	SET_GAME_STATE (IMPROVED_LANDER_SPEED, 1);
 	SET_GAME_STATE (IMPROVED_LANDER_CARGO, 1);
@@ -334,19 +335,19 @@ equipShip (void)
 	assert (i <= NUM_MODULE_SLOTS);
 
 	// Fill the fuel and crew compartments to the maximum.
-	SET_GAME_STATE (SIS.FuelOnBoard, FUEL_RESERVE);
-	SET_GAME_STATE (SIS.CrewEnlisted, 0);
+	GLOBAL_SIS (FuelOnBoard) = FUEL_RESERVE;
+	GLOBAL_SIS (CrewEnlisted) = 0;
 	for (i = 0; i < NUM_MODULE_SLOTS; i++)
 	{
 		switch (GLOBAL_SIS (ModuleSlots[i])) {
 			case CREW_POD:
-				SET_GAME_STATE (SIS.CrewEnlisted, GET_GAME_STATE (SIS.CrewEnlisted) + CREW_POD_CAPACITY);
+				GLOBAL_SIS (CrewEnlisted) += CREW_POD_CAPACITY;
 				break;
 			case FUEL_TANK:
-				SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) + FUEL_TANK_CAPACITY);
+				GLOBAL_SIS (FuelOnBoard) += FUEL_TANK_CAPACITY;
 				break;
 			case HIGHEFF_FUELSYS:
-				SET_GAME_STATE (SIS.FuelOnBoard, GET_GAME_STATE (SIS.FuelOnBoard) + HEFUEL_TANK_CAPACITY);
+				GLOBAL_SIS (FuelOnBoard) += HEFUEL_TANK_CAPACITY;
 				break;
 		}
 	}
@@ -983,7 +984,7 @@ void
 dumpPlanet (FILE *out, const PLANET_DESC *planet)
 {
 	(*pSolarSysState->genFuncs->generateName) (pSolarSysState, planet);
-	fprintf (out, "- %-37s  %s\n", GET_GAME_STATE_STRING (SIS.PlanetName),
+	fprintf (out, "- %-37s  %s\n", GLOBAL_SIS (PlanetName),
 			planetTypeString (planet->data_index & ~PLANET_SHIELDED));
 	dumpWorld (out, planet);
 }