Use negative values where appropriate

src/projectile/ballAndChain.c

@@ -34,7 +34,7 @@ void sub_080AB074(Entity* this) {
         this->frameIndex = 0;
         this->spritePriority.b0 = 3;
     }
-    sub_0806FA90(this->parent, this, 0, 0xfffffff6 + -(s8)parent->field_0x7c.BYTES.byte3);
+    sub_0806FA90(this->parent, this, 0, -10 + -(s8)parent->field_0x7c.BYTES.byte3);
 
     this->x.WORD += gSineTable[parent->field_0x7c.BYTES.byte0] * (parent->field_0x7c.BYTES.byte2 << 8);
     this->y.WORD -= gSineTable[parent->field_0x7c.BYTES.byte0 + 0x40] * (parent->field_0x7c.BYTES.byte2 << 8);

src/projectile/cannonballProjectile.c

@@ -34,7 +34,7 @@ void sub_080AB544(Entity* this) {
 void CannonballProjectile_Init(Entity* this) {
     this->action = 1;
     this->direction = this->type << 3;
-    this->z.HALF.HI = 0xfffc;
+    this->z.HALF.HI = -4;
     InitializeAnimation(this, this->type);
 }
 

src/projectile/stalfosProjectile.c

@@ -46,7 +46,7 @@ void sub_080A9A64(Entity* this) {
 
 void StalfosProjectile_SubAction0(Entity* this) {
     this->subAction = 2;
-    this->z.HALF.HI = 0xfffe;
+    this->z.HALF.HI = -2;
 }
 
 void StalfosProjectile_SubAction1(Entity* this) {

src/projectile/v3TennisBallProjectile.c

@@ -47,7 +47,7 @@ void sub_080ACA68(Entity* this) {
 void V3TennisBallProjectile_Init(Entity* this) {
     this->action = 1;
     this->direction = 0x10;
-    this->z.HALF.HI = 0xfffc;
+    this->z.HALF.HI = -4;
     this->child = NULL;
     InitializeAnimation(this, 7);
     SoundReq(SFX_199);