386f5371 |
1 | \r |
2 | /* FCE Ultra - NES/Famicom Emulator\r |
3 | *\r |
4 | * Copyright notice for this file:\r |
5 | * Copyright (C) 2007 CaH4e3\r |
6 | *\r |
7 | * This program is free software; you can redistribute it and/or modify\r |
8 | * it under the terms of the GNU General Public License as published by\r |
9 | * the Free Software Foundation; either version 2 of the License, or\r |
10 | * (at your option) any later version.\r |
11 | *\r |
12 | * This program is distributed in the hope that it will be useful,\r |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r |
15 | * GNU General Public License for more details.\r |
16 | *\r |
17 | * You should have received a copy of the GNU General Public License\r |
18 | * along with this program; if not, write to the Free Software\r |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r |
20 | */\r |
21 | /*\r |
22 | #include "mapinc.h"\r |
23 | \r |
24 | static uint8 chr_cmd, prg_cmd, mirror;\r |
25 | static uint8 chr_reg[6], prg_reg[4];\r |
26 | \r |
27 | static SFORMAT StateRegs[]=\r |
28 | {\r |
29 | {&chr_cmd, 1, "CHRCMD"},\r |
30 | {&prg_cmd, 1, "PRGCMD"},\r |
31 | {&mirror, 1, "MIRR"},\r |
32 | {chr_reg, 6, "CREGS"},\r |
33 | {prg_reg, 4, "PREGS"},\r |
34 | {0}\r |
35 | };\r |
36 | \r |
37 | static void Sync(void)\r |
38 | {\r |
39 | setprg8(0x8000, prg_reg[0]);\r |
40 | setprg8(0xA000, prg_reg[1]); \r |
41 | setprg8(0xC000, prg_reg[2]); \r |
42 | setprg8(0xE000, prg_reg[3]);\r |
43 | \r |
44 | setchr2(0x0000, chr_reg[0]);\r |
45 | setchr2(0x0800, chr_reg[1]); \r |
46 | setchr1(0x1000, chr_reg[2]); \r |
47 | setchr1(0x1400, chr_reg[3]);\r |
48 | setchr1(0x1800, chr_reg[4]);\r |
49 | setchr1(0x1c00, chr_reg[5]); \r |
50 | \r |
51 | setmirror(mirror);\r |
52 | }\r |
53 | \r |
54 | static DECLFW(UNLA9746Write)\r |
55 | {\r |
56 | uint8 bits_rev; \r |
57 | // FCEU_printf("write raw %04x:%02x\n",A,V);\r |
58 | switch (A&0xE003)\r |
59 | {\r |
60 | // case 0xA000: mirror = V; break;\r |
61 | case 0x8000: chr_cmd = V; prg_cmd = 0; break;\r |
62 | case 0x8002: prg_cmd = V; chr_cmd = 0; break;\r |
63 | case 0x8001: bits_rev = ((V&0x20)>>5)|((V&0x10)>>3)|((V&0x08)>>1)|((V&0x04)<<1);\r |
64 | // if(prg_cmd>0x23)\r |
65 | // prg_reg[(0x26-prg_cmd)&3] = bits_rev;\r |
66 | switch(chr_cmd)\r |
67 | {\r |
68 | case 0x08: chr_reg[0] = (V << 3); break;\r |
69 | case 0x09: chr_reg[0] = chr_reg[0]|(V >> 2); break;\r |
70 | case 0x0e: chr_reg[1] = (V << 3); break;\r |
71 | case 0x0d: chr_reg[1] = chr_reg[1]|(V >> 2); break;\r |
72 | case 0x12: chr_reg[2] = (V << 4); break;\r |
73 | case 0x11: chr_reg[2] = chr_reg[2]|(V >> 1); FCEU_printf("Sync CHR 0x1000:%02x\n",chr_reg[2]); break;\r |
74 | case 0x16: chr_reg[3] = (V << 4); break;\r |
75 | case 0x15: chr_reg[3] = chr_reg[3]|(V >> 1); break;\r |
76 | case 0x1a: chr_reg[4] = (V << 4); break;\r |
77 | case 0x19: chr_reg[4] = chr_reg[4]|(V >> 1); break;\r |
78 | case 0x1e: chr_reg[5] = (V << 4); break;\r |
79 | case 0x1d: chr_reg[5] = chr_reg[5]|(V >> 1); break;\r |
80 | }\r |
81 | Sync();\r |
82 | break;\r |
83 | }\r |
84 | }\r |
85 | \r |
86 | static void UNLA9746Power(void)\r |
87 | {\r |
88 | prg_reg[2]=~1;\r |
89 | prg_reg[3]=~0;\r |
90 | Sync();\r |
91 | SetReadHandler(0x8000,0xFFFF,CartBR);\r |
92 | SetWriteHandler(0x8000,0xbfff,UNLA9746Write);\r |
93 | }\r |
94 | \r |
95 | static void StateRestore(int version)\r |
96 | {\r |
97 | Sync();\r |
98 | }\r |
99 | \r |
100 | void UNLA9746_Init(CartInfo *info)\r |
101 | {\r |
102 | info->Power=UNLA9746Power;\r |
103 | AddExState(&StateRegs, ~0, 0, 0);\r |
104 | }\r |
105 | /**/\r |
106 | \r |
107 | /* FCE Ultra - NES/Famicom Emulator\r |
108 | *\r |
109 | * Copyright notice for this file:\r |
110 | * Copyright (C) 2007 CaH4e3\r |
111 | *\r |
112 | * This program is free software; you can redistribute it and/or modify\r |
113 | * it under the terms of the GNU General Public License as published by\r |
114 | * the Free Software Foundation; either version 2 of the License, or\r |
115 | * (at your option) any later version.\r |
116 | *\r |
117 | * This program is distributed in the hope that it will be useful,\r |
118 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
119 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r |
120 | * GNU General Public License for more details.\r |
121 | *\r |
122 | * You should have received a copy of the GNU General Public License\r |
123 | * along with this program; if not, write to the Free Software\r |
124 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\r |
125 | */\r |
126 | \r |
127 | #include "mapinc.h"\r |
128 | #include "mmc3.h"\r |
129 | \r |
130 | static DECLFW(UNLA9746Write)\r |
131 | {\r |
132 | // FCEU_printf("write raw %04x:%02x\n",A,V);\r |
133 | switch (A&0xE003)\r |
134 | {\r |
135 | case 0x8000: EXPREGS[1]=V; EXPREGS[0]=0; break;\r |
136 | case 0x8002: EXPREGS[0]=V; EXPREGS[1]=0; break;\r |
137 | case 0x8001: {\r |
138 | uint8 bits_rev = ((V&0x20)>>5)|((V&0x10)>>3)|((V&0x08)>>1)|((V&0x04)<<1);\r |
139 | switch(EXPREGS[0])\r |
140 | {\r |
141 | case 0x26: setprg8(0x8000, bits_rev); break;\r |
142 | case 0x25: setprg8(0xA000, bits_rev); break; \r |
143 | case 0x24: setprg8(0xC000, bits_rev); break; \r |
144 | case 0x23: setprg8(0xE000, bits_rev); break;\r |
145 | }\r |
146 | switch(EXPREGS[1])\r |
147 | {\r |
148 | case 0x0a:\r |
149 | case 0x08: EXPREGS[2] = (V << 4); break;\r |
150 | case 0x09: setchr1(0x0000, EXPREGS[2]|(V >> 1)); break;\r |
151 | case 0x0b: setchr1(0x0400, EXPREGS[2]|(V >> 1)|1); break;\r |
152 | case 0x0c:\r |
153 | case 0x0e: EXPREGS[2] = (V << 4); break;\r |
154 | case 0x0d: setchr1(0x0800, EXPREGS[2]|(V >> 1)); break;\r |
155 | case 0x0f: setchr1(0x0c00, EXPREGS[2]|(V >> 1)|1); break;\r |
156 | case 0x10:\r |
157 | case 0x12: EXPREGS[2] = (V << 4); break;\r |
158 | case 0x11: setchr1(0x1000, EXPREGS[2]|(V >> 1)); break;\r |
159 | case 0x14:\r |
160 | case 0x16: EXPREGS[2] = (V << 4); break;\r |
161 | case 0x15: setchr1(0x1400, EXPREGS[2]|(V >> 1)); break;\r |
162 | case 0x18:\r |
163 | case 0x1a: EXPREGS[2] = (V << 4); break;\r |
164 | case 0x19: setchr1(0x1800, EXPREGS[2]|(V >> 1)); break;\r |
165 | case 0x1c:\r |
166 | case 0x1e: EXPREGS[2] = (V << 4); break;\r |
167 | case 0x1d: setchr1(0x1c00, EXPREGS[2]|(V >> 1)); break;\r |
168 | }\r |
169 | }\r |
170 | break;\r |
171 | }\r |
172 | }\r |
173 | \r |
174 | static void UNLA9746Power(void)\r |
175 | {\r |
176 | GenMMC3Power();\r |
177 | SetWriteHandler(0x8000,0xbfff,UNLA9746Write);\r |
178 | }\r |
179 | \r |
180 | void UNLA9746_Init(CartInfo *info)\r |
181 | {\r |
182 | GenMMC3_Init(info, 128, 256, 0, 0);\r |
183 | info->Power=UNLA9746Power;\r |
184 | AddExState(EXPREGS, 6, 0, "EXPR");\r |
185 | }\r |
186 | /**/\r |