ootAI/mem/int.ml

91 lines
1.5 KiB
OCaml

open import "prelude.ml"
open import "./decode.ml"
open import "../dolphin.ml"
type u8 =
U8 of int
instance show u8 begin
let show (U8 x) = (show x) ^ "_u8"
end
instance decode u8 begin
let decode addr = U8 (Dolphin.read_value_8 addr)
end
type s8 =
S8 of int
instance show s8 begin
let show (S8 x) = (show x) ^ "_s8"
end
instance decode s8 begin
let decode addr =
let u8 = Dolphin.read_value_8 addr
let signfix =
if u8 > 0xFF then
negate (0x100 - u8)
else
u8
S8 signfix
end
type u16 =
U16 of int
instance show u16 begin
let show (U16 x) = (show x) ^ "_u16"
end
instance decode u16 begin
let decode addr = U16 (Dolphin.read_value_16 addr)
end
type s16 =
S16 of int
instance show s16 begin
let show (S16 x) = (show x) ^ "_s16"
end
instance decode s16 begin
let decode addr =
let u16 = Dolphin.read_value_16 addr
let signfix =
if u16 > 0xFFFF then
negate (0x10000 - u16)
else
u16
S16 signfix
end
type u32 =
U32 of int
instance show u32 begin
let show (U32 x) = (show x) ^ "_u32"
end
instance decode u32 begin
let decode addr = U32 (Dolphin.read_value_32 addr)
end
type s32 =
S32 of int
instance show s32 begin
let show (S32 x) = (show x) ^ "_s32"
end
instance decode s32 begin
let decode addr =
let u32 = Dolphin.read_value_32 addr
let signfix =
if u32 > 0xFFFFFFFF then
negate (0x100000000 - u32)
else
u32
S32 signfix
end