/* * 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). * * (c) Copyright 2014 - 2016 Daniel De Matteis. (UNDER NO CIRCUMSTANCE * WILL COMMERCIAL RIGHTS EVER BE APPROPRIATED TO ANY PARTY) * * 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 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 uint8* bp; TILE_CLIP_PREAMBLE RENDER_CLIPPED_TILE(WRITE_4PIXELS16_SUBF1_2, WRITE_4PIXELS16_FLIPPED_SUBF1_2, 4) } #endif