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`)
11 var zero: float # Mu implicitly initializes variables in memory to 0
12 var result/xmm1: float <- to-km zero
16 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 0 miles = 0 km\n", 3/fg 0/bg
19 # 1 mile = 1.609 km approximately
20 var one/eax: int <- copy 1
21 var one-float/xmm0: float <- convert one
22 result <- to-km one-float
23 var lower-bound/xmm0: float <- rational 0x649, 0x3e8 # 1609/1000 in hex
25 compare result, lower-bound
27 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 1 mile > 1.609 km\n", 3/fg 0/bg
30 var upper-bound/xmm0: float <- rational 0x64a, 0x3e8 # 1610/1000 in hex
32 compare result, upper-bound
34 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 1 mile < 1.610 km\n", 3/fg 0/bg
37 # 2 miles = 3.218 km approximately
38 var two/eax: int <- copy 2
39 var two-float/xmm0: float <- convert two
40 result <- to-km two-float
41 var lower-bound/xmm0: float <- rational 0xc92, 0x3e8 # 3218/1000 in hex
43 compare result, lower-bound
45 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 2 miles > 3.218 km\n", 3/fg 0/bg
48 var upper-bound/xmm0: float <- rational 0xc93, 0x3e8 # 3219/1000 in hex
50 compare result, upper-bound
52 draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "F - 2 miles < 3.219 km\n", 3/fg 0/bg