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; i386.asm - description
; -------------------
; begin : Sun Nov 08 2001
; copyright : (C) 2001 by Pete Bernert
; email : BlackDove@addcom.de
; ported from inline gcc to nasm by linuzappz
; This program 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 of the License, or *
; (at your option) any later version. See also the license.txt file for *
; additional informations. *
bits 32
section .text
%include "macros.inc"
NEWSYM i386_BGR24to16
push ebp
mov ebp, esp
push ebx
push edx
mov eax, [ebp+8] ; this can hold the G value
mov ebx, eax ; this can hold the R value
mov edx, eax ; this can hold the B value
shr ebx, 3 ; move the R value
and edx, 00f80000h ; mask the B value
shr edx, 9 ; move the B value
and eax, 00f800h ; mask the G value
shr eax, 6 ; move the G value
and ebx, 0000001fh ; mask the R value
or eax, ebx ; add R to G value
or eax, edx ; add B to RG value
pop edx
pop ebx
mov esp, ebp
pop ebp
ret
NEWSYM i386_shl10idiv
push ebp
mov ebp, esp
push ebx
push edx
mov eax, [ebp+8]
mov ebx, [ebp+12]
mov edx, eax
shl eax, 10
sar edx, 22
idiv ebx
pop edx
pop ebx
mov esp, ebp
pop ebp
ret
%ifidn __OUTPUT_FORMAT__,elf
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
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