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 draw-cursor-on-real-screen g: grapheme
 7 
 8 # keyboard
 9 sig read-key kbd: (addr keyboard) -> _/eax: byte
10 
11 # disk
12 sig load-first-sector-from-primary-bus-secondary-drive out: (addr stream byte)
13 sig store-first-sector-to-primary-bus-secondary-drive out: (addr stream byte)
14 
15 # tests
16 sig count-test-failure
17 sig num-test-failures -> _/eax: int
18 
19 sig string-equal? s: (addr array byte), benchmark: (addr array byte) -> _/eax: boolean
20 sig string-starts-with? s: (addr array byte), benchmark: (addr array byte) -> _/eax: boolean
21 sig check-strings-equal s: (addr array byte), expected: (addr array byte), msg: (addr array byte)
22 
23 # streams
24 sig clear-stream f: (addr stream _)
25 sig rewind-stream f: (addr stream _)
26 sig stream-data-equal? f: (addr stream byte), s: (addr array byte) -> _/eax: boolean
27 sig check-stream-equal f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
28 sig next-stream-line-equal? f: (addr stream byte), s: (addr array byte) -> _/eax: boolean
29 sig check-next-stream-line-equal f: (addr stream byte), s: (addr array byte), msg: (addr array byte)
30 sig write f: (addr stream byte), s: (addr array byte)
31 sig write-stream f: (addr stream byte), s: (addr stream byte)
32 sig read-byte s: (addr stream byte) -> _/eax: byte
33 sig append-byte f: (addr stream byte), n: int  # really just a byte, but I want to pass in literal numbers
34 #sig to-hex-char in/eax: int -> out/eax: int
35 sig append-byte-hex f: (addr stream byte), n: int  # really just a byte, but I want to pass in literal numbers
36 sig write-int32-hex f: (addr stream byte), n: int
37 sig write-int32-hex-bits f: (addr stream byte), n: int, bits: int
38 sig hex-int? in: (addr slice) -> _/eax: boolean
39 sig parse-hex-int in: (addr array byte) -> _/eax: int
40 sig parse-hex-int-from-slice in: (addr slice) -> _/eax: int
41 #sig parse-hex-int-helper start: (addr byte), end: (addr byte) -> _/eax: int
42 sig hex-digit? c: byte -> _/eax: boolean
43 #sig from-hex-char in/eax: byte -> out/eax: nibble
44 sig parse-decimal-int in: (addr array byte) -> _/eax: int
45 sig parse-decimal-int-from-slice in: (addr slice) -> _/eax: int
46 sig parse-decimal-int-from-stream in: (addr stream byte) -> _/eax: int
47 #sig parse-decimal-int-helper start: (addr byte), end: (addr byte) -> _/eax: int
48 sig decimal-size n: int -> _/eax: int
49 #sig allocate ad: (addr allocation-descriptor), n: int, out: (addr handle _)
50 #sig allocate-raw ad: (addr allocation-descriptor), n: int, out: (addr handle _)
51 sig lookup h: (handle _T) -> _/eax: (addr _T)
52 sig handle-equal? a: (handle _T), b: (handle _T) -> _/eax: boolean
53 sig copy-handle src: (handle _T), dest: (addr handle _T)
54 #sig allocate-region ad: (addr allocation-descriptor), n: int, out: (addr handle allocation-descriptor)
55 #sig allocate-array ad: (addr allocation-descriptor), n: int, out: (addr handle _)
56 sig copy-array ad: (addr allocation-descriptor), src: (addr array _T), out: (addr handle array _T)
57 #sig zero-out start: (addr byte), size: int
58 sig slice-empty? s: (addr slice) -> _/eax: boolean
59 sig slice-equal? s: (addr slice), p: (addr array byte) -> _/eax: boolean
60 sig slice-starts-with? s: (addr slice), head: (addr array byte) -> _/eax: boolean
61 sig write-slice out: (addr stream byte), s: (addr slice)
62 # bad name alert
63 sig slice-to-string ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)
64 sig write-int32-decimal out: (addr stream byte), n: int
65 sig decimal-digit? c: grapheme -> _/eax: boolean
66 sig to-decimal-digit in: grapheme -> _/eax: int
67 # bad name alert
68 # next-word really tokenizes
69 # next-raw-word really reads whitespace-separated words
70 sig next-word line: (addr stream byte), out: (addr slice)  # skips '#' comments
71 sig next-raw-word line: (addr stream byte), out: (addr slice)  # does not skip '#' comments
72 sig stream-empty? s: (addr stream _) -> _/eax: boolean
73 sig stream-full? s: (addr stream _) -> _/eax: boolean
74 sig stream-to-array in: (addr stream _), out: (addr handle array _)
75 sig unquote-stream-to-array in: (addr stream _), out: (addr handle array _)
76 sig stream-first s: (addr stream byte) -> _/eax: byte
77 sig stream-final s: (addr stream byte) -> _/eax: byte
78 
79 #sig copy-bytes src: (addr byte), dest: (addr byte), n: int
80 sig copy-array-object src: (addr array _), dest-ah: (addr handle array _)
81 sig array-equal? a: (addr array int), b: (addr array int) -> _/eax: boolean
82 sig parse-array-of-ints s: (addr array byte), out: (addr handle array int)
83 sig parse-array-of-decimal-ints s: (addr array byte), out: (addr handle array int)
84 sig check-array-equal a: (addr array int), expected: (addr string), msg: (addr string)
85 
86 sig integer-divide a: int, b: int -> _/eax: int, _/edx: int