diff --git a/src/game/chr/chr.c b/src/game/chr/chr.c
index 5b4451415..fcdcd36fd 100644
--- a/src/game/chr/chr.c
+++ b/src/game/chr/chr.c
@@ -4469,8 +4469,8 @@ void chrInit(struct prop *prop, u8 *ailist)
 	chr->gunrotx[0] = 0;
 	chr->gunroty[1] = 0;
 	chr->gunrotx[1] = 0;
-	chr->unk348 = 0;
-	chr->unk34c = 0;
+	chr->unk348[0] = 0;
+	chr->unk348[1] = 0;
 	chr->onladder = 0;
 	chr->laddernormal.x = 0;
 	chr->laddernormal.y = 0;
diff --git a/src/game/chr/chraction.c b/src/game/chr/chraction.c
index e028ccfe9..64979713f 100644
--- a/src/game/chr/chraction.c
+++ b/src/game/chr/chraction.c
@@ -17700,22 +17700,22 @@ void robotAttack(struct chrdata *chr)
 {
 	u32 numshots = random() % 20;
 
-	if (chr->unk348 && chr->unk34c) {
+	if (chr->unk348[0] && chr->unk348[1]) {
 		chr->actiontype = ACT_ROBOTATTACK;
 
-		chr->unk348->beam->age = -1;
-		chr->unk348->unk00 = random() % 3;
-		chr->unk348->unk01 = 0;
-		chr->unk348->unk08 = -1;
-		chr->unk348->unk0c = 0.85f;
+		chr->unk348[0]->beam->age = -1;
+		chr->unk348[0]->unk00 = random() % 3;
+		chr->unk348[0]->unk01 = 0;
+		chr->unk348[0]->unk08 = -1;
+		chr->unk348[0]->unk0c = 0.85f;
 
 		if ((lvGetDifficulty() == DIFF_PA) * 0.2f) {
-			chr->unk348->unk10 = 2.0f;
+			chr->unk348[0]->unk10 = 2.0f;
 		} else {
-			chr->unk348->unk10 = 1.0f;
+			chr->unk348[0]->unk10 = 1.0f;
 		}
 
-		chr->unk348->unk14 = 0.0f;
+		chr->unk348[0]->unk14 = 0.0f;
 
 		chr->act_robotattack.pos[0].x = 0.0f;
 		chr->act_robotattack.pos[0].y = 0.0f;
@@ -17726,13 +17726,13 @@ void robotAttack(struct chrdata *chr)
 		chr->act_robotattack.guntype[0] = 90;
 		chr->act_robotattack.firing[0] = false;
 
-		chr->unk34c->beam->age = -1;
-		chr->unk34c->unk00 = random() % 3;
-		chr->unk34c->unk01 = 0;
-		chr->unk34c->unk08 = -1;
-		chr->unk34c->unk0c = 0.85f;
-		chr->unk34c->unk10 = 0.2f;
-		chr->unk34c->unk14 = 0.0f;
+		chr->unk348[1]->beam->age = -1;
+		chr->unk348[1]->unk00 = random() % 3;
+		chr->unk348[1]->unk01 = 0;
+		chr->unk348[1]->unk08 = -1;
+		chr->unk348[1]->unk0c = 0.85f;
+		chr->unk348[1]->unk10 = 0.2f;
+		chr->unk348[1]->unk14 = 0.0f;
 
 		chr->act_robotattack.guntype[1] = 90;
 		chr->act_robotattack.firing[1] = false;
@@ -18186,6 +18186,146 @@ glabel var7f1a91dc
 /*  f042ff8:	27bd0118 */ 	addiu	$sp,$sp,0x118
 );
 
+// Mismatch: float regalloc near first atan2f and too much stack usage.
+//void chrTickRobotAttack(struct chrdata *chr)
+//{
+//	f32 f26 = 0;
+//	f32 f28 = 0;
+//	struct prop *targetprop = chrGetTargetProp(chr);
+//	bool firing;
+//	f32 f20;
+//	f32 f24;
+//	f32 invtheta = chrGetInverseTheta(chr);
+//	union modelrodata *rodata;
+//	f32 aimy;
+//	struct act_robotattack *act = &chr->act_robotattack;
+//	struct coord spe4;
+//	Mtxf spa4;
+//	s32 i;
+//	f32 xdiff;
+//	f32 zdiff;
+//
+//	func0f0429d8(chr, 0.085f, invtheta);
+//
+//	if (chr->model->filedata->type != &g_ModelTypeRobot) {
+//		act->finished = true;
+//		return;
+//	}
+//
+//	for (i = 0; i < 2; i++) {
+//		bool empty = false;
+//
+//		if (act->numshots[i] > 0) {
+//			chr->unk348[i]->unk01 = !(chr->unk348[i]->unk00 % 3);
+//			firing = !(chr->unk348[i]->unk00 % 2);
+//		} else {
+//			chr->unk348[i]->unk01 = 0;
+//			firing = false;
+//		}
+//
+//		act->firing[i] = firing;
+//
+//		if (act->numshots[0] <= 0 && act->numshots[1] <= 0) {
+//			empty = true;
+//
+//			if (ABS(chr->gunroty[0]) < 0.03f
+//					&& ABS(chr->gunrotx[0]) < 0.03f
+//					&& ABS(chr->gunroty[1]) < 0.03f
+//					&& ABS(chr->gunrotx[1]) < 0.03f) {
+//				act->finished = true;
+//			}
+//		}
+//
+//		if (!empty) {
+//			aimy = targetprop->pos.y - 20;
+//			rodata = modelGetPartRodata(chr->model->filedata, (i ? MODELPART_ROBOT_0000 : MODELPART_ROBOT_0001));
+//
+//			act->pos[i].x = rodata->position.pos.x;
+//			act->pos[i].y = rodata->position.pos.y - 300;
+//			act->pos[i].z = rodata->position.pos.z;
+//
+//			func00016374(invtheta, &spa4);
+//			func00015b14(&spa4, &act->pos[i], &spe4);
+//
+//			spe4.x *= chr->model->scale;
+//			spe4.y *= chr->model->scale;
+//			spe4.z *= chr->model->scale;
+//
+//			act->pos[i].x = chr->prop->pos.x + spe4.x;
+//			act->pos[i].y = chr->prop->pos.y + spe4.y;
+//			act->pos[i].z = chr->prop->pos.z + spe4.z;
+//
+//			f26 = atan2f(targetprop->pos.x - act->pos[i].x, targetprop->pos.z - act->pos[i].z) - invtheta;
+//
+//			if (f26 < 0.0f) {
+//				f26 += M_BADTAU;
+//			}
+//
+//			if (f26 > M_BADPI) {
+//				f26 -= M_BADTAU;
+//			}
+//
+//			if (f26 < -0.524f) {
+//				f26 = -0.524f;
+//			}
+//
+//			if (f26 > 0.524f) {
+//				f26 = 0.524f;
+//			}
+//
+//			xdiff = targetprop->pos.x - act->pos[i].x;
+//			zdiff = targetprop->pos.z - act->pos[i].z;
+//			f28 = M_BADTAU - atan2f(aimy - act->pos[i].y, sqrtf(xdiff * xdiff + zdiff * zdiff));
+//
+//			if (f28 > M_BADPI) {
+//				f28 -= M_BADTAU;
+//			}
+//
+//			if (f28 < -0.524f) {
+//				f28 = -0.524f;
+//			}
+//
+//			if (f28 > 0.524f) {
+//				f28 = 0.524f;
+//			}
+//		}
+//
+//		chr->gunroty[i] += (f26 - chr->gunroty[i]) * 0.15f;
+//		chr->gunrotx[i] += (f28 - chr->gunrotx[i]) * 0.15f;
+//
+//		if (!empty) {
+//			if (firing) {
+//				f24 = chr->gunrotx[i];
+//				f20 = chr->gunroty[i];
+//
+//				if (f24 < 0.0f) {
+//					f24 += M_BADTAU;
+//				}
+//
+//				if (f20 < 0.0f) {
+//					f20 += M_BADTAU;
+//				}
+//
+//				f20 += invtheta;
+//
+//				if (f20 >= M_BADTAU) {
+//					f20 -= M_BADTAU;
+//				}
+//
+//				act->dir[i].x = sinf(f20) * cosf(f24);
+//				act->dir[i].y = -sinf(f24);
+//				act->dir[i].z = cosf(f20) * cosf(f24);
+//
+//				robotSetMuzzleFlash(chr, i, true);
+//
+//				act->numshots[i]--;
+//			}
+//
+//			chr->unk348[i]->unk00++;
+//		}
+//	}
+//}
+
 void chrTickAttack(struct chrdata *chr)
 {
 	struct model *model = chr->model;
diff --git a/src/game/game_02cde0.c b/src/game/game_02cde0.c
index d7fcd7f0f..d1ce5bde6 100644
--- a/src/game/game_02cde0.c
+++ b/src/game/game_02cde0.c
@@ -776,12 +776,12 @@ void chrUnpack(s32 stagenum, struct packedchr *packed, s32 cmdindex)
 				chr->chrheight = 185;
 				chr->chrwidth = 30;
 			} else if (bodynum == BODY_CHICROB) {
-				chr->unk348 = malloc(sizeof(struct fireslotthing), MEMPOOL_STAGE);
-				chr->unk34c = malloc(sizeof(struct fireslotthing), MEMPOOL_STAGE);
-				chr->unk348->beam = malloc(ALIGN16(sizeof(struct beam)), MEMPOOL_STAGE);
-				chr->unk34c->beam = malloc(ALIGN16(sizeof(struct beam)), MEMPOOL_STAGE);
-				chr->unk348->beam->age = -1;
-				chr->unk34c->beam->age = -1;
+				chr->unk348[0] = malloc(sizeof(struct fireslotthing), MEMPOOL_STAGE);
+				chr->unk348[1] = malloc(sizeof(struct fireslotthing), MEMPOOL_STAGE);
+				chr->unk348[0]->beam = malloc(ALIGN16(sizeof(struct beam)), MEMPOOL_STAGE);
+				chr->unk348[1]->beam = malloc(ALIGN16(sizeof(struct beam)), MEMPOOL_STAGE);
+				chr->unk348[0]->beam->age = -1;
+				chr->unk348[1]->beam->age = -1;
 				chr->chrheight = 200;
 				chr->chrwidth = 42;
 			}
diff --git a/src/game/propobj.c b/src/game/propobj.c
index 996d3f7bc..e2543cdfb 100644
--- a/src/game/propobj.c
+++ b/src/game/propobj.c
@@ -46962,8 +46962,8 @@ Gfx *propsRenderBeams(Gfx *gdl)
 			struct chrdata *chr = prop->chr;
 
 			if (CHRRACE(chr) == RACE_ROBOT) {
-				gdl = func0f0acb90(gdl, chr->unk348->beam, true, true);
-				gdl = func0f0acb90(gdl, chr->unk34c->beam, true, true);
+				gdl = func0f0acb90(gdl, chr->unk348[0]->beam, true, true);
+				gdl = func0f0acb90(gdl, chr->unk348[1]->beam, true, true);
 			} else {
 				if (chr->fireslot[0] >= 0) {
 					gdl = func0f0acb90(gdl, &g_Fireslots[chr->fireslot[0]].beam, true, false);
diff --git a/src/include/types.h b/src/include/types.h
index 49d54b98c..89e18ef23 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -1205,7 +1205,7 @@ struct act_robotattack {
 	/*0x2c*/ struct coord pos[2];
 	/*0x44*/ struct coord dir[2];
 	/*0x5c*/ u32 guntype[2];
-	/*0x64*/ u32 numshots[2];
+	/*0x64*/ s32 numshots[2];
 	/*0x6c*/ u8 firing[2];
 	/*0x6e*/ u8 finished;
 };
@@ -1426,8 +1426,7 @@ struct chrdata {
 	/*0x33a*/ u8 deaddropsplatsadded;
 	/*0x33b*/ s8 aimtesttimer60;
 	/*0x33c*/ struct coord lastdroppos;
-	/*0x348*/ struct fireslotthing *unk348;
-	/*0x34c*/ struct fireslotthing *unk34c;
+	/*0x348*/ struct fireslotthing *unk348[2];
 	/*0x350*/ struct chrdata *lastattacker;
 	/*0x354*/ s16 aipunchdodgelist;
 	/*0x356*/ s16 aishootingatmelist;
@@ -3645,7 +3644,7 @@ struct room {
 
 struct fireslotthing {
 	/*0x00*/ u8 unk00;
-	/*0x01*/ u8 unk01;
+	/*0x01*/ s8 unk01;
 	/*0x04*/ struct beam *beam;
 	/*0x08*/ s32 unk08;
 	/*0x0c*/ f32 unk0c;