summaryrefslogtreecommitdiff
path: root/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/hex.asm
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/amd/geode_lx/gplvsa_ii/vsm_lib/hex.asm')
-rwxr-xr-xcpu/amd/geode_lx/gplvsa_ii/vsm_lib/hex.asm95
1 files changed, 95 insertions, 0 deletions
diff --git a/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/hex.asm b/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/hex.asm
new file mode 100755
index 0000000..7a777af
--- /dev/null
+++ b/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/hex.asm
@@ -0,0 +1,95 @@
+;
+; Copyright (c) 2006-2008 Advanced Micro Devices,Inc. ("AMD").
+;
+; This library is free software; you can redistribute it and/or modify
+; it under the terms of the GNU Lesser General Public License as
+; published by the Free Software Foundation; either version 2.1 of the
+; License, or (at your option) any later version.
+;
+; This code 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
+; Lesser General Public License for more details.
+;
+; You should have received a copy of the GNU Lesser General
+; Public License along with this library; if not, write to the
+; Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+; Boston, MA 02111-1307 USA
+;
+;* Function: *
+;* This file contains hex debug routines
+
+
+.model tiny,c
+.586p
+.CODE
+
+
+
+
+
+Hex_32 proc pascal Num:dword
+
+ pushad
+ mov ebx, [Num]
+ mov cx, 8
+@@: rol ebx, 4
+ call Hex_4
+ loop @b
+ call Space
+ popad
+ ret
+
+Hex_32 endp
+
+
+
+Hex_16 proc pascal Num:word
+
+ pusha
+ mov cx, 4
+ mov bx, [Num]
+@@: rol bx, 4
+ call Hex_4
+ loop @b
+ call Space
+ popa
+ ret
+
+Hex_16 endp
+
+
+Hex_8 proc pascal Num:byte
+
+ pusha
+ mov cx, 2
+ mov bl, [Num]
+@@: rol bl, 4
+ call Hex_4
+ loop @b
+ call Space
+ popa
+ ret
+
+Hex_8 endp
+
+
+Hex_4: mov al, bl
+ and al, 0Fh
+ add al, '0' ; Convert to ASCII
+ cmp al, '9'
+ jbe Char
+ add al, 7 ; 'A'-'F'
+Char: mov dx, 84h
+ out dx, al
+ in al, 80h
+ ret
+
+Space: mov al, ' '
+ jmp Char
+
+
+
+
+ END
+