1 fn to-km miles: float -> _/xmm1: float {
2 var result/xmm1: float <- copy miles
3 # fill in the blanks to compute miles * 1.609
4 # 1.609 = 1609 / 1000 (use function `rational`)
13 var zero: float # Mu implicitly initializes variables in memory to 0
14 var result/xmm1: float <- to-km zero
18 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 0 miles = 0 km\n", 3/fg 0/bg
21 # 1 mile = 1.609 km approximately
22 var one/eax: int <- copy 1
23 var one-float/xmm0: float <- convert one
24 result <- to-km one-float
25 var lower-bound/xmm0: float <- rational 0x649, 0x3e8 # 1609/1000 in hex
27 compare result, lower-bound
29 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 1 mile > 1.609 km\n", 3/fg 0/bg
32 var upper-bound/xmm0: float <- rational 0x64a, 0x3e8 # 1610/1000 in hex
34 compare result, upper-bound
36 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 1 mile < 1.610 km\n", 3/fg 0/bg
39 # 2 miles = 3.218 km approximately
40 var two/eax: int <- copy 2
41 var two-float/xmm0: float <- convert two
42 result <- to-km two-float
43 var lower-bound/xmm0: float <- rational 0xc92, 0x3e8 # 3218/1000 in hex
45 compare result, lower-bound
47 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 2 miles > 3.218 km\n", 3/fg 0/bg
50 var upper-bound/xmm0: float <- rational 0xc93, 0x3e8 # 3219/1000 in hex
52 compare result, upper-bound
54 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 2 miles < 3.219 km\n", 3/fg 0/bg