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author | Tristan Gingold <tgingold@free.fr> | 2014-11-04 20:14:19 +0100 |
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committer | Tristan Gingold <tgingold@free.fr> | 2014-11-04 20:14:19 +0100 |
commit | 9c195bf5d86d67ea5eb419ccf6e48dc153e57c68 (patch) | |
tree | 575346e529b99e26382b4a06f6ff2caa0b391ab2 /src/ortho/mcode/hex_images.adb | |
parent | 184a123f91e07c927292d67462561dc84f3a920d (diff) | |
download | ghdl-9c195bf5d86d67ea5eb419ccf6e48dc153e57c68.tar.gz ghdl-9c195bf5d86d67ea5eb419ccf6e48dc153e57c68.tar.bz2 ghdl-9c195bf5d86d67ea5eb419ccf6e48dc153e57c68.zip |
Move sources to src/ subdirectory.
Diffstat (limited to 'src/ortho/mcode/hex_images.adb')
-rw-r--r-- | src/ortho/mcode/hex_images.adb | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/ortho/mcode/hex_images.adb b/src/ortho/mcode/hex_images.adb new file mode 100644 index 000000000..a9dca324d --- /dev/null +++ b/src/ortho/mcode/hex_images.adb @@ -0,0 +1,71 @@ +-- To hexadecimal conversions. +-- Copyright (C) 2006 Tristan Gingold +-- +-- GHDL is free software; you can redistribute it and/or modify it under +-- the terms of the GNU General Public License as published by the Free +-- Software Foundation; either version 2, or (at your option) any later +-- version. +-- +-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY +-- WARRANTY; without even the implied warranty of MERCHANTABILITY or +-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +-- for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with GCC; see the file COPYING. If not, write to the Free +-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA +-- 02111-1307, USA. +with Ada.Unchecked_Conversion; + +package body Hex_Images is + type Hex_Str_Type is array (0 .. 15) of Character; + Hexdigits : constant Hex_Str_Type := "0123456789abcdef"; + + function Hex_Image (B : Unsigned_8) return String is + Res : String (1 .. 2); + begin + for I in 1 .. 2 loop + Res (I) := Hexdigits + (Natural (Shift_Right (B, 8 - 4 * I) and 16#0f#)); + end loop; + return Res; + end Hex_Image; + + function Conv is new Ada.Unchecked_Conversion + (Source => Integer_32, Target => Unsigned_32); + + function Hex_Image (W : Unsigned_32) return String is + Res : String (1 .. 8); + begin + for I in 1 .. 8 loop + Res (I) := Hexdigits + (Natural (Shift_Right (W, 32 - 4 * I) and 16#0f#)); + end loop; + return Res; + end Hex_Image; + + function Hex_Image (W : Unsigned_64) return String is + Res : String (1 .. 16); + begin + for I in 1 .. 16 loop + Res (I) := Hexdigits + (Natural (Shift_Right (W, 64 - 4 * I) and 16#0f#)); + end loop; + return Res; + end Hex_Image; + + function Hex_Image (W : Unsigned_16) return String is + Res : String (1 .. 4); + begin + for I in 1 .. 4 loop + Res (I) := Hexdigits + (Natural (Shift_Right (W, 16 - 4 * I) and 16#0f#)); + end loop; + return Res; + end Hex_Image; + + function Hex_Image (W : Integer_32) return String is + begin + return Hex_Image (Conv (W)); + end Hex_Image; +end Hex_Images; |