menubg, png, bugfix
[fceu.git] / input / oekakids.c
CommitLineData
e328100e 1/* FCE Ultra - NES/Famicom Emulator
2 *
3 * Copyright notice for this file:
4 * Copyright (C) 2003 Xodnizel
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <string.h>
22#include "share.h"
23
24static uint8 OKValR,LastWR;
25static uint32 OKData;
26static uint32 OKX,OKY,OKB;
27
28static uint8 FP_FASTAPASS(2) OK_Read(int w, uint8 ret)
29{
30 if(w)
31 {
32 ret|=OKValR;
33 }
34 return(ret);
35}
36
37static void FP_FASTAPASS(1) OK_Write(uint8 V)
38{
39 if(!(V&0x1))
40 {
41 int32 vx,vy;
42
43 //puts("Redo");
44 OKValR=OKData=0;
45
46 if(OKB) OKData|=1;
47
48 if(OKY >= 48)
49 OKData|=2;
50 else if(OKB) OKData|=3;
51
52 vx=OKX*240/256+8;
53 vy=OKY*256/240-12;
54 if(vy<0) vy=0;
55 if(vy>255) vy=255;
56 if(vx<0) vx=0;
57 if(vx>255) vx=255;
58 OKData |= (vx<<10) | (vy<<2);
59 }
60 else
61 {
62 if((~LastWR)&V&0x02)
63 OKData<<=1;
64
65 if(!(V&0x2)) OKValR=0x4;
66 else
67 {
68 if(OKData&0x40000) OKValR=0;
69 else OKValR=0x8;
70 }
71 }
72 LastWR=V;
73}
74
75static void FP_FASTAPASS(2) OK_Update(void *data, int arg)
76{
77 //puts("Sync");
78 OKX=((uint32*)data)[0];
79 OKY=((uint32*)data)[1];
80 OKB=((uint32*)data)[2];
81}
82
83static void FP_FASTAPASS(2) DrawOeka(uint8 *buf, int arg)
84{
85 if(arg && OKY<44)
86 FCEU_DrawCursor(buf, OKX, OKY);
87}
88
89static INPUTCFC OekaKids={OK_Read,OK_Write,0,OK_Update,0,DrawOeka};
90
91INPUTCFC *FCEU_InitOekaKids(void)
92{
93 OKValR=0;
94 return(&OekaKids);
95}