diff -ru alex4/src/main.c alex4src/src/main.c

--- alex4/src/main.c	2021-11-27 17:39:14.815814702 +0000

+++ alex4src/src/main.c	2021-11-27 17:40:01.852115367 +0000

@@ -1210,9 +1210,9 @@

 	blit(data[INTRO_BG].dat, bmp, 0, 0, 0, 0, 160, 120);

-	r = 70 + fixtoi(20 * fcos(itofix(game_count >> 1)) + 20 * fsin(itofix((int)(game_count / 2.7))) );

+	r = 70 + fixtoi(20 * fixcos(itofix(game_count >> 1)) + 20 * fixsin(itofix((int)(game_count / 2.7))) );

 	for(i = 0; i < 256; i += 32) 

-		draw_sprite(bmp, head, 80 - head->w/2 + fixtoi(r * fcos(itofix(game_count + i))), 60 - head->h/2 + fixtoi(r * fsin(itofix(game_count + i))));

+		draw_sprite(bmp, head, 80 - head->w/2 + fixtoi(r * fixcos(itofix(game_count + i))), 60 - head->h/2 + fixtoi(r * fixsin(itofix(game_count + i))));

 	draw_sprite_h_flip(bmp, data[ALEX].dat, 60, 40);

 	draw_sprite(bmp, data[LOLA].dat, 84, 40);

@@ -2537,7 +2537,7 @@

 	textout_ex(bmp, data[THE_FONT].dat, "QUIT", x+1, y+1, 1, -1);

 	textout_ex(bmp, data[THE_FONT].dat, "QUIT", x, y, 4, -1);

-	draw_sprite(bmp, data[POINTER].dat, x - 25 + fixtoi(3 * fcos(itofix(tick << 2))), 44 + menu_choice * step);

+	draw_sprite(bmp, data[POINTER].dat, x - 25 + fixtoi(3 * fixcos(itofix(tick << 2))), 44 + menu_choice * step);

 }

diff -ru alex4/src/shooter.c alex4src/src/shooter.c

--- alex4/src/shooter.c	2021-11-27 17:39:14.815814702 +0000

+++ alex4src/src/shooter.c	2021-11-27 17:40:01.853115331 +0000

@@ -500,12 +500,12 @@

 			break;

 		case SM_SIN_WAVE:

 			o->x += o->vx;

-			o->y = o->d2 + fixtoi(fmul(ftofix(o->vy), fsin(itofix(o->t))));

+			o->y = o->d2 + fixtoi(fmul(ftofix(o->vy), fixsin(itofix(o->t))));

 			o->t += o->d1;

 			break;

 		case SM_COS_WAVE:

 			o->x += o->vx;

-			o->y = o->d2 + fixtoi(fmul(ftofix(o->vy), fcos(itofix(o->t))));

+			o->y = o->d2 + fixtoi(fmul(ftofix(o->vy), fixcos(itofix(o->t))));

 			o->t += o->d1;

 			break;

 		case SM_BOSS_1:

@@ -516,8 +516,8 @@

 				o->tx = o->x;

 			}

 			else {

-				o->y = o->ty + fixtoi(fmul(ftofix(o->vy), fsin(itofix(o->t))));

-				o->x = o->tx - fixtoi(10 * fsin(itofix(o->t >> 1)));

+				o->y = o->ty + fixtoi(fmul(ftofix(o->vy), fixsin(itofix(o->t))));

+				o->x = o->tx - fixtoi(10 * fixsin(itofix(o->t >> 1)));

 				o->t ++;

 			}

 			break;

@@ -573,7 +573,7 @@

 		else if (o->image == ENEMY15) {

 			int i;

 			for(i = 0; i < 256; i += 32)

-				s_make_enemy_bullet((int)o->x + o->bw / 2, (int)o->y + o->bh, fixtof(1 * fcos(itofix(i - 6))), fixtof(1 * fsin(itofix(i - 6))));

+				s_make_enemy_bullet((int)o->x + o->bw / 2, (int)o->y + o->bh, fixtof(1 * fixcos(itofix(i - 6))), fixtof(1 * fixsin(itofix(i - 6))));

 			o->fire_counter = 200 + rand()%50;

 		}