diff --git a/graphics/gr/twister/lores.bas b/graphics/gr/twister/lores.bas
index c353b85a..338e37c4 100644
--- a/graphics/gr/twister/lores.bas
+++ b/graphics/gr/twister/lores.bas
@@ -4,17 +4,18 @@
 30 FOR A2 = 1 TO 360 STEP 3
 40 AM = 120+COS(A2*0.0174533)*100
 50 AN = -3.141593+SIN(A2*0.0174533)*3.141593
-60 FOR Y = 1 TO 39
+60 FOR Y = 1 TO 39 STEP 2
 65 FV = Y*4/AM+AN
-70 X1 = 5*SIN(FV)
-80 X2 = 5*SIN(FV+1.570796)
+70 X1 = 8*SIN(FV)
+80 X2 = 8*SIN(FV+1.570796)
 95 X3 = -X1
 105 X4 = -X2
-108 COLOR = 0: HLIN 105/7,175/7 AT Y
-110 IF X1 < X2 THEN COLOR = 1: HLIN 20+X1,20+X2 AT Y: GOTO 130
-120 IF X3 < X4 THEN COLOR = 1: HLIN 20+X3,20+X4 AT Y
-130 IF X2 < X3 THEN COLOR = 2: HLIN 20+X2,20+X3 AT Y: GOTO 150
-140 IF X4 < X1 THEN COLOR = 2: HLIN 20+X4,20+X1 AT Y
+108 COLOR = 0: HLIN 10,30 AT Y
+109 COLOR = 1
+110 IF X1 < X2 THEN HLIN 20+X1,20+X2 AT Y: GOTO 130
+120 IF X3 < X4 THEN HLIN 20+X3,20+X4 AT Y
+130 COLOR = 2 : IF X2 < X3 THEN HLIN 20+X2,20+X3 AT Y: GOTO 150
+140 IF X4 < X1 THEN HLIN 20+X4,20+X1 AT Y
 150 NEXT Y
 160 NEXT A2
 170 GOTO 30