Initial commit - http://sourceforge.net/p/fceumm/code/160/
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85
src/input/oekakids.c
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85
src/input/oekakids.c
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2003 Xodnizel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <string.h>
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#include "share.h"
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static uint8 OKValR, LastWR;
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static uint32 OKData;
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static uint32 OKX, OKY, OKB;
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static uint8 FP_FASTAPASS(2) OK_Read(int w, uint8 ret) {
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if (w) {
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ret |= OKValR;
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}
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return(ret);
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}
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static void FP_FASTAPASS(1) OK_Write(uint8 V) {
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if (!(V & 0x1)) {
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int32 vx, vy;
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//puts("Redo");
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OKValR = OKData = 0;
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if (OKB) OKData |= 1;
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if (OKY >= 48)
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OKData |= 2;
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else if (OKB) OKData |= 3;
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vx = OKX * 240 / 256 + 8;
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vy = OKY * 256 / 240 - 12;
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if (vy < 0) vy = 0;
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if (vy > 255) vy = 255;
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if (vx < 0) vx = 0;
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if (vx > 255) vx = 255;
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OKData |= (vx << 10) | (vy << 2);
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} else {
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if ((~LastWR) & V & 0x02)
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OKData <<= 1;
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if (!(V & 0x2)) OKValR = 0x4;
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else {
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if (OKData & 0x40000) OKValR = 0;
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else OKValR = 0x8;
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}
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}
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LastWR = V;
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}
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static void FP_FASTAPASS(2) OK_Update(void *data, int arg) {
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//puts("Sync");
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OKX = ((uint32*)data)[0];
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OKY = ((uint32*)data)[1];
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OKB = ((uint32*)data)[2];
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}
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static void FP_FASTAPASS(2) DrawOeka(uint8 * buf, int arg) {
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if (arg && OKY < 44)
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FCEU_DrawCursor(buf, OKX, OKY);
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}
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static INPUTCFC OekaKids = { OK_Read, OK_Write, 0, OK_Update, 0, DrawOeka };
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INPUTCFC *FCEU_InitOekaKids(void) {
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OKValR = 0;
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return(&OekaKids);
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}
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