104 lines
2.1 KiB
OCaml
104 lines
2.1 KiB
OCaml
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open import "prelude.ml"
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type u8 =
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U8 of int
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instance show u8 begin
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let show (U8 x) = (show x) ^ "_u8"
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end
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type s8 =
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S8 of int
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instance show s8 begin
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let show (S8 x) =
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let signfix =
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if x > 127 then
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negate (256 - x)
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else
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x
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(show signfix) ^ "_s8"
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end
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type u16 =
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U16 of int
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instance show u16 begin
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let show (U16 x) = (show x) ^ "_u16"
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end
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type s16 =
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S16 of int
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instance show s16 begin
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let show (S16 x) =
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let signfix =
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if x > 32767 then
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negate (65536 - x)
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else
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x
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(show signfix) ^ "_s16"
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end
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type u32 =
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U32 of int
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type s32 =
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S32 of int
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instance show s32 begin
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let show (S32 x) =
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let signfix =
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if x > 2147483647 then
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negate (4294967296 - x)
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else
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x
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(show signfix) ^ "_s32"
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end
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module Dolphin = struct
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external val read_value_8 : int -> () -> int =
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"function(addr, n) return ReadValue8(addr) end"
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external val read_value_16 : int -> () -> int =
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"function(addr, n) return ReadValue16(addr) end"
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external val read_value_32 : int -> () -> int =
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"function(addr, n) return ReadValue32(addr) end"
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external val read_value_float : int -> () -> float =
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"function(addr, n) return ReadValueFloat(addr) end"
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external val read_value_string : int -> int -> () -> string =
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"function(addr, len, n) return ReadValueString(addr, len) end"
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external val msg_box : string -> int -> () -> () =
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"function(message, delay, n) MsgBox(message, delay) end"
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external val set_screen_text : string -> () -> () =
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"function(message, n) SetScreenText(message) end"
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end
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class decode 'a begin
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val decode : int -> () -> 'a
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end
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instance decode u8 begin
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let decode addr x = U8 (Dolphin.read_value_8 addr x)
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end
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instance decode s8 begin
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let decode addr x = S8 (Dolphin.read_value_8 addr x)
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end
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instance decode u16 begin
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let decode addr x = U16 (Dolphin.read_value_16 addr x)
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end
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instance decode s16 begin
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let decode addr x = S16 (Dolphin.read_value_16 addr x)
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end
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instance decode u32 begin
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let decode addr x = U32 (Dolphin.read_value_32 addr x)
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end
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instance decode s32 begin
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let decode addr x = S32 (Dolphin.read_value_32 addr x)
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end
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