+ angle = TUN_U(tun);
+ depth = TUN_V(tun);
+ shade = depth >> 7;
+ tx = (angle - uoffs) & 0x1f;
+ ty = ((depth >> 1) + zoffs) & 0x1f;
+ pptop = TEXEL(tx, ty, shade);
+ tx = ~(angle + uoffs) & 0x1f;
+ ppbot = TEXEL(tx, ty, shade);
+
+ angle = TUN_U(tun >> 16);
+ depth = TUN_V(tun >> 16);
+ shade = depth >> 7;
+ tx = (angle - uoffs) & 0x1f;
+ ty = ((depth >> 1) + zoffs) & 0x1f;
+ pptop |= (uint16_t)TEXEL(tx, ty, shade) << 8;
+ tx = ~(angle + uoffs) & 0x1f;
+ ppbot |= (uint16_t)TEXEL(tx, ty, shade) << 8;
+
+ *top++ = pptop;
+ *bot++ = ppbot;
+ }
+ bot -= 240;
+ }