1 # screen
 2 sig pixel-on-real-screen x: int, y: int, color: int
 3 sig draw-grapheme-on-real-screen g: grapheme, x: int, y: int, color: int, background-color: int
 4 sig cursor-position-on-real-screen -> _/eax: int, _/ecx: int
 5 sig set-cursor-position-on-real-screen x: int, y: int
 6 sig show-cursor-on-real-screen g: grapheme
 7 
 8 # keyboard
 9 sig read-key kbd: (addr keyboard) -> _/eax: byte
10 
11 # tests
12 sig count-test-failure
13 sig num-test-failures -> _/eax: int
14 
15 sig check-strings-equal s: (addr array byte), expected: (addr array byte), msg: (addr array byte)
16 
17 # streams
18 sig clear-stream f: (addr stream _)
19 sig rewind-stream f: (addr stream _)
20 sig stream-data-equal? f: (addr stream byte), s: (addr array byte) -> _/eax: boolean
21 sig check-stream-equal f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
22 sig next-stream-line-equal? f: (addr stream byte), s: (addr array byte) -> _/eax: boolean
23 sig check-next-stream-line-equal f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
24 sig write f: (addr stream byte), s: (addr array byte)
25 sig read-byte s: (addr stream byte) -> _/eax: byte
26 sig append-byte f: (addr stream byte), n: int
27 #sig to-hex-char in/eax: int -> out/eax: int
28 sig append-byte-hex f: (addr stream byte), n: int
29 sig write-int32-hex f: (addr stream byte), n: int
30 sig write-int32-hex-bits f: (addr stream byte), n: int, bits: int
31 sig is-hex-int? in: (addr slice) -> _/eax: boolean
32 sig parse-hex-int in: (addr array byte) -> _/eax: int
33 sig parse-hex-int-from-slice in: (addr slice) -> _/eax: int
34 #sig parse-hex-int-helper start: (addr byte), end: (addr byte) -> _/eax: int
35 sig is-hex-digit? c: byte -> _/eax: boolean
36 #sig from-hex-char in/eax: byte -> out/eax: nibble
37 sig parse-decimal-int in: (addr array byte) -> _/eax: int
38 sig parse-decimal-int-from-slice in: (addr slice) -> _/eax: int
39 sig parse-decimal-int-from-stream in: (addr stream byte) -> _/eax: int
40 #sig parse-decimal-int-helper start: (addr byte), end: (addr byte) -> _/eax: int
41 sig decimal-size n: int -> _/eax: int
42 #sig allocate ad: (addr allocation-descriptor), n: int, out: (addr handle _)
43 #sig allocate-raw ad: (addr allocation-descriptor), n: int, out: (addr handle _)
44 sig lookup h: (handle _T) -> _/eax: (addr _T)
45 sig handle-equal? a: (handle _T), b: (handle _T) -> _/eax: boolean
46 sig copy-handle src: (handle _T), dest: (addr handle _T)
47 #sig allocate-region ad: (addr allocation-descriptor), n: int, out: (addr handle allocation-descriptor)
48 #sig allocate-array ad: (addr allocation-descriptor), n: int, out: (addr handle _)
49 sig copy-array ad: (addr allocation-descriptor), src: (addr array _T), out: (addr handle array _T)
50 #sig zero-out start: (addr byte), size: int
51 sig slice-empty? s: (addr slice) -> _/eax: boolean
52 sig slice-equal? s: (addr slice), p: (addr array byte) -> _/eax: boolean
53 sig slice-starts-with? s: (addr slice), head: (addr array byte) -> _/eax: boolean
54 sig write-slice out: (addr stream byte), s: (addr slice)
55 # bad name alert
56 sig slice-to-string ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)
57 sig write-int32-decimal out: (addr stream byte), n: int
58 sig is-decimal-digit? c: grapheme -> _/eax: boolean
59 sig to-decimal-digit in: grapheme -> _/eax: int
60 # bad name alert
61 # next-word really tokenizes
62 # next-raw-word really reads whitespace-separated words
63 sig next-word line: (addr stream byte), out: (addr slice)  # skips '#' comments
64 sig next-raw-word line: (addr stream byte), out: (addr slice)  # does not skip '#' comments
65 sig stream-empty? s: (addr stream _) -> _/eax: boolean
66 sig stream-full? s: (addr stream _) -> _/eax: boolean
67 sig stream-to-array in: (addr stream _), out: (addr handle array _)
68 sig unquote-stream-to-array in: (addr stream _), out: (addr handle array _)
69 sig stream-first s: (addr stream byte) -> _/eax: byte
70 sig stream-final s: (addr stream byte) -> _/eax: byte
71 
72 #sig copy-bytes src: (addr byte), dest: (addr byte), n: int
73 sig copy-array-object src: (addr array _), dest-ah: (addr handle array _)
74 sig array-equal? a: (addr array int), b: (addr array int) -> _/eax: boolean
75 sig parse-array-of-ints s: (addr array byte), out: (addr handle array int)
76 sig parse-array-of-decimal-ints s: (addr array byte), out: (addr handle array int)
77 sig check-array-equal a: (addr array int), expected: (addr string), msg: (addr string)
78 
79 sig integer-divide a: int, b: int -> _/eax: int, _/edx: int