commit d83c55a

Trying to use pointers in sprite drawing too

 1@@ -594,10 +594,12 @@ screen_draw_sprite(void)
 2 				const Uint16 xmar = x + 8, ymar = y + 8;
 3 				for(ay = ymar * screen_wmar2, by = ymar2 * screen_wmar2, qy = qfy; ay < by; ay += screen_wmar2, qy += fy) {
 4 					const int ch1 = sprite[qy], ch2 = sprite[qy + 8] << 1;
 5-					for(ax = xmar + ay, bx = xmar2 + ay, qx = qfx; ax < bx; ax++, qx -= fx) {
 6+					Uint8 *dst = screen_layers + (xmar + ay);
 7+					Uint8 *end = screen_layers + (xmar2 + ay);
 8+					for(qx = qfx; dst < end; qx -= fx, dst++) {
 9 						const int color = ((ch1 >> qx) & 1) | ((ch2 >> qx) & 2);
10 						if(opaque || color)
11-							screen_layers[ax] = (screen_layers[ax] & layer_mask) | table[color];
12+							*dst = (*dst & layer_mask) | table[color];
13 					}
14 				}
15 			}
16@@ -611,10 +613,12 @@ screen_draw_sprite(void)
17 				const Uint16 xmar = x + 8, ymar = y + 8;
18 				for(ay = ymar * screen_wmar2, by = ymar2 * screen_wmar2, qy = qfy; ay < by; ay += screen_wmar2, qy += fy) {
19 					const int ch1 = sprite[qy];
20-					for(ax = xmar + ay, bx = xmar2 + ay, qx = qfx; ax < bx; ax++, qx -= fx) {
21+					Uint8 *dst = screen_layers + (xmar + ay);
22+					Uint8 *end = screen_layers + (xmar2 + ay);
23+					for(qx = qfx; dst < end; qx -= fx, dst++) {
24 						const int color = (ch1 >> qx) & 1;
25 						if(opaque || color)
26-							screen_layers[ax] = (screen_layers[ax] & layer_mask) | table[color];
27+							*dst = (*dst & layer_mask) | table[color];
28 					}
29 				}
30 			}