src/mess/machine/3do.c
| r6808 | r6809 | |
|---|
| 3 | 3 | #include "includes/3do.h" |
| 4 | 4 | |
| 5 | 5 | typedef struct { |
| 6 | | UINT32 revision; |
| 7 | | UINT32 memory_configuration; |
| 6 | UINT32 revision; /* 03300000 */ |
| 7 | UINT32 msysbits; /* 03300004 */ |
| 8 | UINT32 mctl; /* 03300008 */ |
| 9 | UINT32 sltime; /* 0330000c */ |
| 10 | UINT32 abortbits; /* 03300020 */ |
| 11 | UINT32 privbits; /* 03300024 */ |
| 12 | UINT32 statbits; /* 03300028 */ |
| 13 | UINT32 diag; /* 03300040 */ |
| 14 | |
| 15 | UINT32 ccobctl0; /* 03300110 */ |
| 16 | UINT32 ppmpc; /* 03300120 */ |
| 17 | |
| 18 | UINT32 regctl0; /* 03300130 */ |
| 19 | UINT32 regctl1; /* 03300134 */ |
| 20 | UINT32 regctl2; /* 03300138 */ |
| 21 | UINT32 regctl3; /* 0330013c */ |
| 22 | UINT32 xyposh; /* 03300140 */ |
| 23 | UINT32 xyposl; /* 03300144 */ |
| 24 | UINT32 linedxyh; /* 03300148 */ |
| 25 | UINT32 linedxyl; /* 0330014c */ |
| 26 | UINT32 dxyh; /* 03300150 */ |
| 27 | UINT32 dxyl; /* 03300154 */ |
| 28 | UINT32 ddxyh; /* 03300158 */ |
| 29 | UINT32 ddxyl; /* 0330015c */ |
| 30 | |
| 31 | UINT32 pip[16]; /* 03300180-033001bc (W); 03300180-033001fc (R)*/ |
| 8 | 32 | } MADAM; |
| 9 | 33 | |
| 10 | 34 | |
| r6808 | r6809 | |
|---|
| 125 | 149 | READ32_HANDLER( _3do_madam_r ) { |
| 126 | 150 | logerror( "%08X: MADAM read offset = %08X\n", cpu_get_pc(cputag_get_cpu(space->machine, "maincpu")), offset ); |
| 127 | 151 | switch( offset ) { |
| 128 | | case 0: /* 03300000 - Revision */ |
| 152 | case 0x0000/4: /* 03300000 - Revision */ |
| 129 | 153 | return madam.revision; |
| 130 | | case 1: /* 03300004 - Memory configuration */ |
| 131 | | return madam.memory_configuration; |
| 154 | case 0x0008/4: |
| 155 | return madam.mctl; |
| 156 | case 0x000c/4: |
| 157 | return madam.sltime; |
| 158 | case 0x0020/4: |
| 159 | return madam.abortbits; |
| 160 | case 0x0024/4: |
| 161 | return madam.privbits; |
| 162 | case 0x0028/4: |
| 163 | return madam.statbits; |
| 164 | case 0x0040/4: |
| 165 | return madam.diag; |
| 166 | case 0x0110/4: |
| 167 | return madam.ccobctl0; |
| 168 | case 0x0120/4: |
| 169 | return madam.ppmpc; |
| 170 | case 0x0130/4: |
| 171 | return madam.regctl0; |
| 172 | case 0x0134/4: |
| 173 | return madam.regctl1; |
| 174 | case 0x0138/4: |
| 175 | return madam.regctl2; |
| 176 | case 0x013c/4: |
| 177 | return madam.regctl3; |
| 178 | case 0x0140/4: |
| 179 | return madam.xyposh; |
| 180 | case 0x0144/4: |
| 181 | return madam.xyposl; |
| 182 | case 0x0148/4: |
| 183 | return madam.linedxyh; |
| 184 | case 0x014c/4: |
| 185 | return madam.linedxyl; |
| 186 | case 0x0150/4: |
| 187 | return madam.dxyh; |
| 188 | case 0x0154/4: |
| 189 | return madam.dxyl; |
| 190 | case 0x0158/4: |
| 191 | return madam.ddxyh; |
| 192 | case 0x015c/4: |
| 193 | return madam.ddxyl; |
| 194 | case 0x0180/4: |
| 195 | case 0x0188/4: |
| 196 | case 0x0190/4: |
| 197 | case 0x0198/4: |
| 198 | case 0x01a0/4: |
| 199 | case 0x01a8/4: |
| 200 | case 0x01b0/4: |
| 201 | case 0x01b8/4: |
| 202 | case 0x01c0/4: |
| 203 | case 0x01c8/4: |
| 204 | case 0x01d0/4: |
| 205 | case 0x01d8/4: |
| 206 | case 0x01e0/4: |
| 207 | case 0x01e8/4: |
| 208 | case 0x01f0/4: |
| 209 | case 0x01f8/4: |
| 210 | return madam.pip[(offset/2) & 0x0f] & 0xffff; |
| 211 | case 0x0184/4: |
| 212 | case 0x018c/4: |
| 213 | case 0x0194/4: |
| 214 | case 0x019c/4: |
| 215 | case 0x01a4/4: |
| 216 | case 0x01ac/4: |
| 217 | case 0x01b4/4: |
| 218 | case 0x01bc/4: |
| 219 | case 0x01c4/4: |
| 220 | case 0x01cc/4: |
| 221 | case 0x01d4/4: |
| 222 | case 0x01dc/4: |
| 223 | case 0x01e4/4: |
| 224 | case 0x01ec/4: |
| 225 | case 0x01f4/4: |
| 226 | case 0x01fc/4: |
| 227 | return madam.pip[(offset/2) & 0x0f] >> 16; |
| 132 | 228 | } |
| 133 | 229 | return 0; |
| 134 | 230 | } |
| r6808 | r6809 | |
|---|
| 137 | 233 | WRITE32_HANDLER( _3do_madam_w ) { |
| 138 | 234 | logerror( "%08X: MADAM write offset = %08X, data = %08X, mask = %08X\n", cpu_get_pc(cputag_get_cpu(space->machine, "maincpu")), offset, data, mem_mask ); |
| 139 | 235 | switch( offset ) { |
| 140 | | case 0x01: /* 03300004 - Memory configuration 29 = 2MB DRAM, 1MB VRAM */ |
| 141 | | madam.memory_configuration = data; |
| 236 | case 0x0004/4: /* 03300004 - Memory configuration 29 = 2MB DRAM, 1MB VRAM */ |
| 237 | madam.msysbits = data; |
| 142 | 238 | break; |
| 143 | | case 0x03: /* 0330000C - ?? during boot first value written is 00178906 */ |
| 239 | case 0x0008/4: |
| 240 | madam.mctl = data; |
| 144 | 241 | break; |
| 145 | | case 0x08: /* 03300020 - ?? during boot 00000000 is written here */ |
| 242 | case 0x000c/4: |
| 243 | madam.sltime = data; |
| 146 | 244 | break; |
| 245 | case 0x0020/4: |
| 246 | madam.abortbits = data; |
| 247 | break; |
| 248 | case 0x0024/4: |
| 249 | madam.privbits = data; |
| 250 | break; |
| 251 | case 0x0028/4: |
| 252 | madam.statbits = data; |
| 253 | case 0x0040/4: |
| 254 | madam.diag = 1; |
| 255 | break; |
| 256 | |
| 257 | /* CEL */ |
| 258 | case 0x0100/4: /* 03300100 - SPRSTRT - Start the CEL engine (W) */ |
| 259 | case 0x0104/4: /* 03300104 - SPRSTOP - Stop the CEL engine (W) */ |
| 260 | case 0x0108/4: /* 03300108 - SPRCNTU - Continue the CEL engine (W) */ |
| 261 | case 0x010c/4: /* 0330010c - SPRPAUS - Pause the the CEL engine (W) */ |
| 262 | break; |
| 263 | case 0x0110/4: /* 03300110 - CCOBCTL0 - CCoB control (RW) */ |
| 264 | madam.ccobctl0 = data; |
| 265 | break; |
| 266 | case 0x0129/4: /* 03300120 - PPMPC (RW) */ |
| 267 | madam.ppmpc = data; |
| 268 | break; |
| 269 | |
| 270 | /* Regis */ |
| 271 | case 0x0130/4: |
| 272 | madam.regctl0 = data; |
| 273 | break; |
| 274 | case 0x0134/4: |
| 275 | madam.regctl1 = data; |
| 276 | break; |
| 277 | case 0x0138/4: |
| 278 | madam.regctl2 = data; |
| 279 | break; |
| 280 | case 0x013c/4: |
| 281 | madam.regctl3 = data; |
| 282 | break; |
| 283 | case 0x0140/4: |
| 284 | madam.xyposh = data; |
| 285 | break; |
| 286 | case 0x0144/4: |
| 287 | madam.xyposl = data; |
| 288 | break; |
| 289 | case 0x0148/4: |
| 290 | madam.linedxyh = data; |
| 291 | break; |
| 292 | case 0x014c/4: |
| 293 | madam.linedxyl = data; |
| 294 | break; |
| 295 | case 0x0150/4: |
| 296 | madam.dxyh = data; |
| 297 | break; |
| 298 | case 0x0154/4: |
| 299 | madam.dxyl = data; |
| 300 | break; |
| 301 | case 0x0158/4: |
| 302 | madam.ddxyh = data; |
| 303 | break; |
| 304 | case 0x015c/4: |
| 305 | madam.ddxyl = data; |
| 306 | break; |
| 307 | |
| 308 | /* Pip */ |
| 309 | case 0x0180/4: |
| 310 | case 0x0184/4: |
| 311 | case 0x0188/4: |
| 312 | case 0x018c/4: |
| 313 | case 0x0190/4: |
| 314 | case 0x0194/4: |
| 315 | case 0x0198/4: |
| 316 | case 0x019c/4: |
| 317 | case 0x01a0/4: |
| 318 | case 0x01a4/4: |
| 319 | case 0x01a8/4: |
| 320 | case 0x01ac/4: |
| 321 | case 0x01b0/4: |
| 322 | case 0x01b4/4: |
| 323 | case 0x01b8/4: |
| 324 | case 0x01bc/4: |
| 325 | madam.pip[offset & 0x0f] = data; |
| 147 | 326 | } |
| 148 | 327 | } |
| 149 | 328 | |
| r6808 | r6809 | |
|---|
| 151 | 330 | void _3do_madam_init( void ) |
| 152 | 331 | { |
| 153 | 332 | memset( &madam, 0, sizeof(MADAM) ); |
| 154 | | madam.revision = 0x00000001; |
| 333 | madam.revision = 0x01020000 |
| 155 | 334 | } |
| 156 | 335 | |
| 157 | 336 | |