trunk/src/mame/machine/stvprot.c
| r21044 | r21045 | |
|---|
| 178 | 178 | { |
| 179 | 179 | if(offset == 3) |
| 180 | 180 | { |
| 181 | UINT32 res; |
| 182 | |
| 181 | 183 | logerror("A-Bus control protection read at %06x with data = %08x\n",space.device().safe_pc(),a_bus[3]); |
| 182 | 184 | #ifdef MAME_DEBUG |
| 183 | 185 | popmessage("Prot read at %06x with data = %08x",space.device().safe_pc(),a_bus[3]); |
| 184 | 186 | #endif |
| 185 | | switch(a_bus[3]) |
| 187 | switch(a_bus[3]>>16) |
| 186 | 188 | { |
| 187 | | case 0x2c5b0000://sss |
| 188 | | case 0x47f10000: |
| 189 | | case 0xfcda0000: |
| 190 | | case 0xb5e60000: |
| 191 | | case 0x392c0000: |
| 192 | | case 0x77c30000: |
| 193 | | case 0x8a620000: |
| 194 | | ctrl_index++; |
| 195 | | return ROM[ctrl_index]; |
| 189 | case 0x2c5b: |
| 190 | case 0x47f1: |
| 191 | case 0xfcda: |
| 192 | case 0xb5e6: |
| 193 | case 0x392c: |
| 194 | case 0x77c3: |
| 195 | case 0x8a62: |
| 196 | if(ctrl_index & 2) |
| 197 | { |
| 198 | res = (ROM[ctrl_index / 4] & 0xffff) << 16; |
| 199 | res |= (ROM[(ctrl_index+4) / 4] & 0xffff0000) >> 16; |
| 200 | } |
| 201 | else |
| 202 | { |
| 203 | res = ROM[ctrl_index / 4] & 0xffff0000; |
| 204 | res |= ROM[ctrl_index / 4] & 0xffff; |
| 205 | } |
| 206 | ctrl_index+=4; |
| 207 | return res; |
| 196 | 208 | } |
| 197 | 209 | } |
| 198 | 210 | return a_bus[offset]; |
| r21044 | r21045 | |
|---|
| 210 | 222 | logerror("A-Bus control protection write at %06x: [%02x] <- %08x\n",space.device().safe_pc(),offset,data); |
| 211 | 223 | if(offset == 3) |
| 212 | 224 | { |
| 213 | | //logerror("MAIN : %08x DATA : %08x\n",a_bus[3],a_bus[2]); |
| 214 | | switch(a_bus[3]) |
| 225 | int a_bus_vector; |
| 226 | |
| 227 | a_bus_vector = a_bus[2] >> 16; |
| 228 | a_bus_vector|= (a_bus[2] & 0xffff) << 16; |
| 229 | a_bus_vector<<= 1; |
| 230 | |
| 231 | /* |
| 232 | MAIN : 2c5b0000 DATA : 000000a6 014c0000 |
| 233 | MAIN : 47f10000 DATA : 0f9800a6 014c1f30 |
| 234 | MAIN : fcda0000 DATA : 1d4800a6 014c3a90 |
| 235 | MAIN : b5e60000 DATA : 29e300a6 014c53c6 |
| 236 | MAIN : 392c0000 DATA : 38e900a6 014c71d2 |
| 237 | MAIN : 77c30000 DATA : 462500a6 014c8c4a |
| 238 | MAIN : 8a620000 DATA : 555c00a6 014caab8 |
| 239 | */ |
| 240 | |
| 241 | // printf("MAIN : %08x DATA : %08x %08x\n",a_bus[3],a_bus[2],a_bus_vector); |
| 242 | switch(a_bus[3] >> 16) |
| 215 | 243 | { |
| 216 | | case 0x2c5b0000: ctrl_index = (0x145ffac/4)-1; break; |
| 217 | | case 0x47f10000: ctrl_index = ((0x145ffac+0xbaf0)/4)-1; break; |
| 218 | | case 0xfcda0000: ctrl_index = ((0x145ffac+0x12fd0)/4)-1; break; |
| 219 | | case 0xb5e60000: ctrl_index = ((0x145ffac+0x1a4c4)/4)-1; break; |
| 220 | | case 0x392c0000: ctrl_index = ((0x145ffac+0x219b0)/4)-1; break; |
| 221 | | case 0x77c30000: ctrl_index = ((0x145ffac+0x28ea0)/4)-1; break; |
| 222 | | case 0x8a620000: ctrl_index = ((0x145ffac+0x30380)/4)-1; break; |
| 244 | /* Note: only the first value is TRUSTED (because it's tested in the code). |
| 245 | Others are hand-tuned by checking if there isn't any garbage during display. */ |
| 246 | case 0x2c5b: ctrl_index = (a_bus_vector-0x60054); break; |
| 247 | case 0x47f1: ctrl_index = (a_bus_vector-0x56498); break; |
| 248 | case 0xfcda: ctrl_index = (a_bus_vector-0x50b0c); break; |
| 249 | case 0xb5e6: ctrl_index = (a_bus_vector-0x4af56); break; |
| 250 | case 0x392c: ctrl_index = (a_bus_vector-0x45876); break; |
| 251 | case 0x77c3: ctrl_index = (a_bus_vector-0x3fe02); break; |
| 252 | case 0x8a62: ctrl_index = (a_bus_vector-0x3a784); break; |
| 253 | default: |
| 254 | ctrl_index = 0; |
| 255 | popmessage("Unknown SSS seed %04x, contact MAMEdev",a_bus[3] >> 16); |
| 256 | break; |
| 223 | 257 | } |
| 258 | |
| 259 | // printf("%08x\n",ctrl_index); |
| 224 | 260 | } |
| 225 | 261 | } |
| 226 | 262 | |