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/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
* Jerremy Koot (jkoot@snes9x.com)
*
* Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
*
* DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
* C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
* C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
*
* DOS port code contains the works of other authors. See headers in
* individual files.
*
* Snes9x homepage: http://www.snes9x.com
*
* Permission to use, copy, modify and distribute Snes9x in both binary and
* source form, for non-commercial purposes, is hereby granted without fee,
* providing that this license information and copyright notice appear with
* all copies and any derived work.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event shall the authors be held liable for any damages
* arising from the use of this software.
*
* Snes9x is freeware for PERSONAL USE only. Commercial users should
* seek permission of the copyright holders first. Commercial use includes
* charging money for Snes9x or software derived from Snes9x.
*
* The copyright holders request that bug fixes and improvements to the code
* should be forwarded to them so everyone can benefit from the modifications
* in future versions.
*
* Super NES and Super Nintendo Entertainment System are trademarks of
* Nintendo Co., Limited and its subsidiary companies.
*/
#ifdef ARM_ASM
/* ARM V5 Assembly by bitrider */
#define FIXEDCOLOUR ((GFX.FixedColour >> 1) & (~0x0C30))
#define ROPNAME FixedSub1_2
#define ROP \
" mov r9, r9, lsr #1 \n"\
" bic r9, r9, #0b00000010000010000 \n"\
\
" bic r8, r8, #0b00000100000100000 \n"\
" orr r9, r9, #0b00000100000100000 \n"\
" orr r9, r9, #0b10000000000000000 \n"\
" sub r9, r9, %[fixedcolour] \n"\
" tst r9, #0b00000000000100000 \n"\
" biceq r9, r9, #0b00000000000011111 \n"\
" tst r9, #0b00000100000000000 \n"\
" biceq r9, r9, #0b00000011111100000 \n"\
" tst r9, #0b10000000000000000 \n"\
" biceq r9, r9, #0b01111100000000000 \n"\
#include "tile16f_t.h"
#else
void DrawTile16FixedSub1_2 (uint32 Tile, uint32 Offset, uint32 StartLine,
uint32 LineCount)
{
TILE_PREAMBLE
register uint8 *bp;
RENDER_TILE(WRITE_4PIXELS16_SUBF1_2, WRITE_4PIXELS16_FLIPPED_SUBF1_2, 4)
}
void DrawClippedTile16FixedSub1_2 (uint32 Tile, uint32 Offset,
uint32 StartPixel, uint32 Width,
uint32 StartLine, uint32 LineCount)
{
TILE_PREAMBLE
register uint8 *bp;
TILE_CLIP_PREAMBLE
RENDER_CLIPPED_TILE(WRITE_4PIXELS16_SUBF1_2,
WRITE_4PIXELS16_FLIPPED_SUBF1_2, 4)
}
#endif
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