src/mess/machine/docg3.c
| r14327 | r14328 | |
| 24 | 24 | } |
| 25 | 25 | } |
| 26 | 26 | |
| 27 | | /*************************************************************************** |
| 28 | | TYPE DEFINITIONS |
| 29 | | ***************************************************************************/ |
| 30 | 27 | |
| 31 | | typedef struct _diskonchip_g3_t diskonchip_g3_t; |
| 32 | | struct _diskonchip_g3_t |
| 33 | | { |
| 34 | | UINT32 planes; |
| 35 | | UINT32 blocks; |
| 36 | | UINT32 pages; |
| 37 | | UINT32 user_data_size; |
| 38 | | UINT32 extra_area_size; |
| 39 | | UINT8 *data[3]; |
| 40 | | UINT32 data_size[3]; |
| 41 | | UINT8 sec_2[0x800]; |
| 42 | | UINT32 data_1036; |
| 43 | | UINT32 data_1036_count; |
| 44 | | UINT32 transfer_offset; |
| 45 | | UINT8 device; |
| 46 | | UINT32 block; |
| 47 | | UINT32 page; |
| 48 | | UINT32 plane; |
| 49 | | UINT32 transfersize; |
| 50 | | UINT8 test; |
| 51 | | UINT32 address_count; |
| 52 | | }; |
| 53 | | |
| 54 | 28 | /*************************************************************************** |
| 55 | | PROTOTYPES |
| 29 | IMPLEMENTATION |
| 56 | 30 | ***************************************************************************/ |
| 57 | 31 | |
| 58 | | static DEVICE_NVRAM( diskonchip_g3 ); |
| 32 | // device type definition |
| 33 | const device_type DISKONCHIP_G3 = &device_creator<diskonchip_g3_device>; |
| 59 | 34 | |
| 60 | | /*************************************************************************** |
| 61 | | INLINE FUNCTIONS |
| 62 | | ***************************************************************************/ |
| 35 | //------------------------------------------------- |
| 36 | // diskonchip_g3_device - constructor |
| 37 | //------------------------------------------------- |
| 63 | 38 | |
| 64 | | INLINE diskonchip_g3_t *get_token( device_t *device) |
| 39 | diskonchip_g3_device::diskonchip_g3_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) |
| 40 | : device_t(mconfig, DISKONCHIP_G3, "DiskOnChip G3", tag, owner, clock), |
| 41 | device_nvram_interface(mconfig, *this) |
| 65 | 42 | { |
| 66 | | assert(device != NULL); |
| 67 | | assert(device->type() == DISKONCHIP_G3); |
| 68 | | |
| 69 | | return (diskonchip_g3_t *)downcast<legacy_device_base *>(device)->token(); |
| 70 | 43 | } |
| 71 | 44 | |
| 72 | | INLINE const diskonchip_g3_config *get_config( device_t *device) |
| 73 | | { |
| 74 | | assert(device != NULL); |
| 75 | | assert(device->type() == DISKONCHIP_G3); |
| 76 | | assert(downcast<const legacy_device_base *>(device)->inline_config() != NULL); |
| 77 | | return (const diskonchip_g3_config *)downcast<const legacy_device_base *>(device)->inline_config(); |
| 78 | | } |
| 79 | 45 | |
| 80 | | /*************************************************************************** |
| 81 | | IMPLEMENTATION |
| 82 | | ***************************************************************************/ |
| 83 | | |
| 84 | | static UINT32 diskonchip_g3_offset_data_1( device_t *device) |
| 46 | UINT32 diskonchip_g3_device::g3_offset_data_1() |
| 85 | 47 | { |
| 86 | | diskonchip_g3_t *doc = get_token( device); |
| 87 | 48 | // printf( "block %d pages %d page %d planes %d plane %d user_data_size %d extra_area_size %d\n", doc->block, doc->pages, doc->page, doc->planes, doc->plane, doc->user_data_size, doc->extra_area_size); |
| 88 | | return ((((doc->block * doc->pages) + doc->page) * doc->planes) + doc->plane) * (doc->user_data_size + doc->extra_area_size); |
| 49 | return ((((m_block * m_pages) + m_page) * m_planes) + m_plane) * (m_user_data_size + m_extra_area_size); |
| 89 | 50 | } |
| 90 | 51 | |
| 91 | | static UINT32 diskonchip_g3_offset_data_2( device_t *device) |
| 52 | UINT32 diskonchip_g3_device::g3_offset_data_2() |
| 92 | 53 | { |
| 93 | | diskonchip_g3_t *doc = get_token( device); |
| 94 | | return ((((doc->block * doc->pages) + doc->page) * doc->planes) + doc->plane) * 16; |
| 54 | return ((((m_block * m_pages) + m_page) * m_planes) + m_plane) * 16; |
| 95 | 55 | } |
| 96 | 56 | |
| 97 | | static UINT32 diskonchip_g3_offset_data_3( device_t *device) |
| 57 | UINT32 diskonchip_g3_device::g3_offset_data_3() |
| 98 | 58 | { |
| 99 | | diskonchip_g3_t *doc = get_token( device); |
| 100 | | return doc->block * 8; |
| 59 | return m_block * 8; |
| 101 | 60 | } |
| 102 | 61 | |
| 103 | | static UINT8 diskonchip_g3_read_data( device_t *device) |
| 62 | UINT8 diskonchip_g3_device::g3_read_data() |
| 104 | 63 | { |
| 105 | | diskonchip_g3_t *doc = get_token( device); |
| 106 | 64 | UINT8 data = 0; |
| 107 | 65 | UINT32 offset; |
| 108 | | if (doc->test == 0) |
| 66 | if (m_test == 0) |
| 109 | 67 | { |
| 110 | 68 | // read page data (512 + 16) |
| 111 | | if (doc->transfer_offset >= (doc->user_data_size + doc->extra_area_size)) |
| 69 | if (m_transfer_offset >= (m_user_data_size + m_extra_area_size)) |
| 112 | 70 | { |
| 113 | | doc->transfer_offset = doc->transfer_offset - (doc->user_data_size + doc->extra_area_size); |
| 114 | | doc->plane++; |
| 71 | m_transfer_offset = m_transfer_offset - (m_user_data_size + m_extra_area_size); |
| 72 | m_plane++; |
| 115 | 73 | } |
| 116 | | offset = diskonchip_g3_offset_data_1( device) + doc->transfer_offset; |
| 117 | | data = doc->data[0][offset]; |
| 74 | offset = g3_offset_data_1() + m_transfer_offset; |
| 75 | data = m_data[0][offset]; |
| 118 | 76 | } |
| 119 | | else if (doc->test == 1) |
| 77 | else if (m_test == 1) |
| 120 | 78 | { |
| 121 | 79 | // read ??? (0x28 bytes) |
| 122 | | if (doc->transfer_offset < 0x20) |
| 80 | if (m_transfer_offset < 0x20) |
| 123 | 81 | { |
| 124 | | offset = diskonchip_g3_offset_data_1( device) + (doc->user_data_size + doc->extra_area_size) + (doc->user_data_size - 16) + doc->transfer_offset; |
| 125 | | data = doc->data[0][offset]; |
| 82 | offset = g3_offset_data_1() + (m_user_data_size + m_extra_area_size) + (m_user_data_size - 16) + m_transfer_offset; |
| 83 | data = m_data[0][offset]; |
| 126 | 84 | } |
| 127 | | else if (doc->transfer_offset < 0x28) |
| 85 | else if (m_transfer_offset < 0x28) |
| 128 | 86 | { |
| 129 | | offset = diskonchip_g3_offset_data_3( device) + doc->transfer_offset - 0x20; |
| 130 | | data = doc->data[2][offset]; |
| 87 | offset = g3_offset_data_3() + m_transfer_offset - 0x20; |
| 88 | data = m_data[2][offset]; |
| 131 | 89 | } |
| 132 | 90 | else |
| 133 | 91 | { |
| 134 | 92 | data = 0xFF; |
| 135 | 93 | } |
| 136 | 94 | } |
| 137 | | else if (doc->test == 2) |
| 95 | else if (m_test == 2) |
| 138 | 96 | { |
| 139 | 97 | // read erase block status |
| 140 | 98 | data = 0x00; |
| 141 | 99 | } |
| 142 | | doc->transfer_offset++; |
| 100 | m_transfer_offset++; |
| 143 | 101 | return data; |
| 144 | 102 | } |
| 145 | 103 | |
| 146 | | READ16_DEVICE_HANDLER( diskonchip_g3_sec_1_r ) |
| 104 | READ16_MEMBER( diskonchip_g3_device::sec_1_r ) |
| 147 | 105 | { |
| 148 | | diskonchip_g3_t *doc = get_token( device); |
| 149 | 106 | UINT16 data; |
| 150 | | if (doc->sec_2[0x1B] & 0x40) |
| 107 | if (m_sec_2[0x1B] & 0x40) |
| 151 | 108 | { |
| 152 | | data = diskonchip_g3_read_data( device); |
| 153 | | doc->sec_2[0x1B] &= ~0x40; |
| 109 | data = g3_read_data(); |
| 110 | m_sec_2[0x1B] &= ~0x40; |
| 154 | 111 | } |
| 155 | 112 | else |
| 156 | 113 | { |
| 157 | | data = (diskonchip_g3_read_data( device) << 0) | (diskonchip_g3_read_data( device) << 8); |
| 114 | data = (g3_read_data() << 0) | (g3_read_data() << 8); |
| 158 | 115 | } |
| 159 | | verboselog( device->machine(), 9, "(DOC) %08X -> %04X\n", 0x0800 + (offset << 1), data); |
| 116 | verboselog( machine(), 9, "(DOC) %08X -> %04X\n", 0x0800 + (offset << 1), data); |
| 160 | 117 | return data; |
| 161 | 118 | } |
| 162 | 119 | |
| 163 | | static void diskonchip_g3_write_data( device_t *device, UINT8 data) |
| 120 | void diskonchip_g3_device::g3_write_data(UINT8 data) |
| 164 | 121 | { |
| 165 | | diskonchip_g3_t *doc = get_token( device); |
| 166 | 122 | UINT32 offset; |
| 167 | | if (doc->test == 3) |
| 123 | if (m_test == 3) |
| 168 | 124 | { |
| 169 | 125 | // read page data (512 + 16) |
| 170 | | if (doc->transfer_offset >= (doc->user_data_size + doc->extra_area_size)) |
| 126 | if (m_transfer_offset >= (m_user_data_size + m_extra_area_size)) |
| 171 | 127 | { |
| 172 | | doc->transfer_offset = doc->transfer_offset - (doc->user_data_size + doc->extra_area_size); |
| 173 | | doc->plane++; |
| 128 | m_transfer_offset = m_transfer_offset - (m_user_data_size + m_extra_area_size); |
| 129 | m_plane++; |
| 174 | 130 | } |
| 175 | | if (doc->transfer_offset == 0) |
| 131 | if (m_transfer_offset == 0) |
| 176 | 132 | { |
| 177 | 133 | const UINT8 xxx[] = { 0x00, 0x00, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
| 178 | | offset = diskonchip_g3_offset_data_2( device); |
| 179 | | memcpy( doc->data[1] + offset, xxx, 16); |
| 134 | offset = g3_offset_data_2(); |
| 135 | memcpy( m_data[1] + offset, xxx, 16); |
| 180 | 136 | } |
| 181 | | offset = diskonchip_g3_offset_data_1( device) + doc->transfer_offset; |
| 182 | | doc->data[0][offset] = data; |
| 137 | offset = g3_offset_data_1() + m_transfer_offset; |
| 138 | m_data[0][offset] = data; |
| 183 | 139 | } |
| 184 | | doc->transfer_offset++; |
| 140 | m_transfer_offset++; |
| 185 | 141 | } |
| 186 | 142 | |
| 187 | | WRITE16_DEVICE_HANDLER( diskonchip_g3_sec_1_w ) |
| 143 | WRITE16_MEMBER( diskonchip_g3_device::sec_1_w ) |
| 188 | 144 | { |
| 189 | | diskonchip_g3_t *doc = get_token( device); |
| 190 | | verboselog( device->machine(), 9, "(DOC) %08X <- %04X\n", 0x0800 + (offset << 1), data); |
| 191 | | if (doc->sec_2[0x1B] & 0x40) |
| 145 | verboselog( machine(), 9, "(DOC) %08X <- %04X\n", 0x0800 + (offset << 1), data); |
| 146 | if (m_sec_2[0x1B] & 0x40) |
| 192 | 147 | { |
| 193 | | diskonchip_g3_write_data( device, data); |
| 194 | | doc->sec_2[0x1B] &= ~0x40; |
| 148 | g3_write_data(data); |
| 149 | m_sec_2[0x1B] &= ~0x40; |
| 195 | 150 | } |
| 196 | 151 | else |
| 197 | 152 | { |
| 198 | | diskonchip_g3_write_data( device, (data >> 0) & 0xFF); |
| 199 | | diskonchip_g3_write_data( device, (data >> 8) & 0xFF); |
| 153 | g3_write_data((data >> 0) & 0xFF); |
| 154 | g3_write_data((data >> 8) & 0xFF); |
| 200 | 155 | } |
| 201 | 156 | } |
| 202 | 157 | |
| r14327 | r14328 | |
| 212 | 167 | // #define DoC_G3_FlashCtrl 0x1038 |
| 213 | 168 | // #define DoC_G3_Nop 0x103e |
| 214 | 169 | |
| 215 | | static UINT16 diskonchip_sec_2_read_1000( device_t *device) |
| 170 | UINT16 diskonchip_g3_device::sec_2_read_1000() |
| 216 | 171 | { |
| 217 | | diskonchip_g3_t *doc = get_token( device); |
| 218 | | if (doc->device == 0) |
| 172 | if (m_device == 0) |
| 219 | 173 | { |
| 220 | 174 | return 0x0200; |
| 221 | 175 | } |
| r14327 | r14328 | |
| 225 | 179 | } |
| 226 | 180 | } |
| 227 | 181 | |
| 228 | | static UINT16 diskonchip_sec_2_read_1074( device_t *device) |
| 182 | UINT16 diskonchip_g3_device::sec_2_read_1074() |
| 229 | 183 | { |
| 230 | | diskonchip_g3_t *doc = get_token( device); |
| 231 | | if (doc->device == 0) |
| 184 | if (m_device == 0) |
| 232 | 185 | { |
| 233 | 186 | return 0xFDFF; |
| 234 | 187 | } |
| r14327 | r14328 | |
| 238 | 191 | } |
| 239 | 192 | } |
| 240 | 193 | |
| 241 | | static UINT8 diskonchip_sec_2_read_1042( device_t *device) |
| 194 | UINT8 diskonchip_g3_device::sec_2_read_1042() |
| 242 | 195 | { |
| 243 | | diskonchip_g3_t *doc = get_token( device); |
| 244 | 196 | UINT8 data; |
| 245 | | if ((doc->block == 0) && (doc->page == 0) && (doc->transfersize == 0x27)) |
| 197 | if ((m_block == 0) && (m_page == 0) && (m_transfersize == 0x27)) |
| 246 | 198 | { |
| 247 | 199 | data = 0x07; |
| 248 | 200 | } |
| 249 | 201 | else |
| 250 | 202 | { |
| 251 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x02; |
| 252 | | data = doc->data[1][offset]; //0x07; //data & ~(1 << 7); |
| 253 | | if ((doc->sec_2[0x41] & 0x10) == 0) |
| 203 | UINT32 offset = g3_offset_data_2() + 0x02; |
| 204 | data = m_data[1][offset]; //0x07; //data & ~(1 << 7); |
| 205 | if ((m_sec_2[0x41] & 0x10) == 0) |
| 254 | 206 | { |
| 255 | 207 | data = data & ~0x20; |
| 256 | 208 | } |
| 257 | | if ((doc->sec_2[0x41] & 0x08) == 0) |
| 209 | if ((m_sec_2[0x41] & 0x08) == 0) |
| 258 | 210 | { |
| 259 | 211 | data = data & ~0x80; |
| 260 | 212 | } |
| 261 | | if (doc->test != 0) |
| 213 | if (m_test != 0) |
| 262 | 214 | { |
| 263 | 215 | data = 0x00; |
| 264 | 216 | } |
| r14327 | r14328 | |
| 266 | 218 | return data; |
| 267 | 219 | } |
| 268 | 220 | |
| 269 | | static UINT8 diskonchip_sec_2_read_1046( device_t *device) |
| 221 | UINT8 diskonchip_g3_device::sec_2_read_1046() |
| 270 | 222 | { |
| 271 | | diskonchip_g3_t *doc = get_token( device); |
| 272 | | if (doc->test == 0) |
| 223 | if (m_test == 0) |
| 273 | 224 | { |
| 274 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x06; |
| 275 | | return doc->data[1][offset]; |
| 225 | UINT32 offset = g3_offset_data_2() + 0x06; |
| 226 | return m_data[1][offset]; |
| 276 | 227 | } |
| 277 | 228 | else |
| 278 | 229 | { |
| r14327 | r14328 | |
| 280 | 231 | } |
| 281 | 232 | } |
| 282 | 233 | |
| 283 | | static UINT8 diskonchip_sec_2_read_1048( device_t *device) |
| 234 | UINT8 diskonchip_g3_device::sec_2_read_1048() |
| 284 | 235 | { |
| 285 | | diskonchip_g3_t *doc = get_token( device); |
| 286 | | if (doc->test == 0) |
| 236 | if (m_test == 0) |
| 287 | 237 | { |
| 288 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x08; |
| 289 | | return doc->data[1][offset]; |
| 238 | UINT32 offset = g3_offset_data_2() + 0x08; |
| 239 | return m_data[1][offset]; |
| 290 | 240 | } |
| 291 | 241 | else |
| 292 | 242 | { |
| r14327 | r14328 | |
| 294 | 244 | } |
| 295 | 245 | } |
| 296 | 246 | |
| 297 | | static UINT8 diskonchip_sec_2_read_1049( device_t *device) |
| 247 | UINT8 diskonchip_g3_device::sec_2_read_1049() |
| 298 | 248 | { |
| 299 | | diskonchip_g3_t *doc = get_token( device); |
| 300 | | if (doc->test == 0) |
| 249 | if (m_test == 0) |
| 301 | 250 | { |
| 302 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x09; |
| 303 | | return doc->data[1][offset]; |
| 251 | UINT32 offset = g3_offset_data_2() + 0x09; |
| 252 | return m_data[1][offset]; |
| 304 | 253 | } |
| 305 | 254 | else |
| 306 | 255 | { |
| r14327 | r14328 | |
| 308 | 257 | } |
| 309 | 258 | } |
| 310 | 259 | |
| 311 | | static UINT8 diskonchip_sec_2_read_104A( device_t *device) |
| 260 | UINT8 diskonchip_g3_device::sec_2_read_104A() |
| 312 | 261 | { |
| 313 | | diskonchip_g3_t *doc = get_token( device); |
| 314 | | if (doc->test == 0) |
| 262 | if (m_test == 0) |
| 315 | 263 | { |
| 316 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x0A; |
| 317 | | return doc->data[1][offset]; |
| 264 | UINT32 offset = g3_offset_data_2() + 0x0A; |
| 265 | return m_data[1][offset]; |
| 318 | 266 | } |
| 319 | 267 | else |
| 320 | 268 | { |
| r14327 | r14328 | |
| 322 | 270 | } |
| 323 | 271 | } |
| 324 | 272 | |
| 325 | | static UINT8 diskonchip_sec_2_read_104B( device_t *device) |
| 273 | UINT8 diskonchip_g3_device::sec_2_read_104B() |
| 326 | 274 | { |
| 327 | | diskonchip_g3_t *doc = get_token( device); |
| 328 | | if (doc->test == 0) |
| 275 | if (m_test == 0) |
| 329 | 276 | { |
| 330 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x0B; |
| 331 | | return doc->data[1][offset]; |
| 277 | UINT32 offset = g3_offset_data_2() + 0x0B; |
| 278 | return m_data[1][offset]; |
| 332 | 279 | } |
| 333 | 280 | else |
| 334 | 281 | { |
| r14327 | r14328 | |
| 336 | 283 | } |
| 337 | 284 | } |
| 338 | 285 | |
| 339 | | static UINT8 diskonchip_sec_2_read_104C( device_t *device) |
| 286 | UINT8 diskonchip_g3_device::sec_2_read_104C() |
| 340 | 287 | { |
| 341 | | diskonchip_g3_t *doc = get_token( device); |
| 342 | | if (doc->test == 0) |
| 288 | if (m_test == 0) |
| 343 | 289 | { |
| 344 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x0C; |
| 345 | | return doc->data[1][offset]; |
| 290 | UINT32 offset = g3_offset_data_2() + 0x0C; |
| 291 | return m_data[1][offset]; |
| 346 | 292 | } |
| 347 | 293 | else |
| 348 | 294 | { |
| r14327 | r14328 | |
| 350 | 296 | } |
| 351 | 297 | } |
| 352 | 298 | |
| 353 | | static UINT8 diskonchip_sec_2_read_104D( device_t *device) |
| 299 | UINT8 diskonchip_g3_device::sec_2_read_104D() |
| 354 | 300 | { |
| 355 | | diskonchip_g3_t *doc = get_token( device); |
| 356 | | if (doc->test == 0) |
| 301 | if (m_test == 0) |
| 357 | 302 | { |
| 358 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x0D; |
| 359 | | return doc->data[1][offset]; |
| 303 | UINT32 offset = g3_offset_data_2() + 0x0D; |
| 304 | return m_data[1][offset]; |
| 360 | 305 | } |
| 361 | 306 | else |
| 362 | 307 | { |
| r14327 | r14328 | |
| 364 | 309 | } |
| 365 | 310 | } |
| 366 | 311 | |
| 367 | | static UINT8 diskonchip_sec_2_read_104E( device_t *device) |
| 312 | UINT8 diskonchip_g3_device::sec_2_read_104E() |
| 368 | 313 | { |
| 369 | | diskonchip_g3_t *doc = get_token( device); |
| 370 | | if (doc->test == 0) |
| 314 | if (m_test == 0) |
| 371 | 315 | { |
| 372 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x0E; |
| 373 | | return doc->data[1][offset]; |
| 316 | UINT32 offset = g3_offset_data_2() + 0x0E; |
| 317 | return m_data[1][offset]; |
| 374 | 318 | } |
| 375 | 319 | else |
| 376 | 320 | { |
| r14327 | r14328 | |
| 378 | 322 | } |
| 379 | 323 | } |
| 380 | 324 | |
| 381 | | static UINT8 diskonchip_sec_2_read_104F( device_t *device) |
| 325 | UINT8 diskonchip_g3_device::sec_2_read_104F() |
| 382 | 326 | { |
| 383 | | diskonchip_g3_t *doc = get_token( device); |
| 384 | | if (doc->test == 0) |
| 327 | if (m_test == 0) |
| 385 | 328 | { |
| 386 | | UINT32 offset = diskonchip_g3_offset_data_2( device) + 0x0F; |
| 387 | | return doc->data[1][offset]; |
| 329 | UINT32 offset = g3_offset_data_2() + 0x0F; |
| 330 | return m_data[1][offset]; |
| 388 | 331 | } |
| 389 | 332 | else |
| 390 | 333 | { |
| r14327 | r14328 | |
| 392 | 335 | } |
| 393 | 336 | } |
| 394 | 337 | |
| 395 | | static UINT8 diskonchip_sec_2_read_100E( device_t *device) |
| 338 | UINT8 diskonchip_g3_device::sec_2_read_100E() |
| 396 | 339 | { |
| 397 | 340 | return 0x81; |
| 398 | 341 | } |
| 399 | 342 | |
| 400 | | static UINT8 diskonchip_sec_2_read_1014( device_t *device) |
| 343 | UINT8 diskonchip_g3_device::sec_2_read_1014() |
| 401 | 344 | { |
| 402 | 345 | return 0x01; |
| 403 | 346 | } |
| 404 | 347 | |
| 405 | | static UINT8 diskonchip_sec_2_read_1022( device_t *device) |
| 348 | UINT8 diskonchip_g3_device::sec_2_read_1022() |
| 406 | 349 | { |
| 407 | 350 | return 0x85; |
| 408 | 351 | } |
| 409 | 352 | |
| 410 | | static UINT8 diskonchip_sec_2_read_1038( device_t *device) |
| 353 | UINT8 diskonchip_g3_device::sec_2_read_1038() |
| 411 | 354 | { |
| 412 | 355 | // bit 0 = ? |
| 413 | 356 | // bit 1 = ? error 0x7C |
| r14327 | r14328 | |
| 417 | 360 | // bit 5 = ? |
| 418 | 361 | // bit 6 = ? |
| 419 | 362 | // bit 7 = ? |
| 420 | | diskonchip_g3_t *doc = get_token( device); |
| 421 | | if (doc->device == 0) |
| 363 | if (m_device == 0) |
| 422 | 364 | { |
| 423 | 365 | return 0x19; |
| 424 | 366 | } |
| r14327 | r14328 | |
| 428 | 370 | } |
| 429 | 371 | } |
| 430 | 372 | |
| 431 | | static UINT16 diskonchip_sec_2_read16( device_t *device, UINT32 offset) |
| 373 | UINT16 diskonchip_g3_device::sec_2_read16(UINT32 offset) |
| 432 | 374 | { |
| 433 | | diskonchip_g3_t *doc = get_token( device); |
| 434 | | UINT16 data = (doc->sec_2[offset+0] << 0) + (doc->sec_2[offset+1] << 8); |
| 375 | UINT16 data = (m_sec_2[offset+0] << 0) + (m_sec_2[offset+1] << 8); |
| 435 | 376 | switch (0x1000 + offset) |
| 436 | 377 | { |
| 437 | 378 | // ? |
| 438 | | case 0x1000 : data = diskonchip_sec_2_read_1000( device); break; |
| 379 | case 0x1000 : data = sec_2_read_1000(); break; |
| 439 | 380 | // ? |
| 440 | | case 0x100E : data = diskonchip_sec_2_read_100E( device); break; |
| 381 | case 0x100E : data = sec_2_read_100E(); break; |
| 441 | 382 | // ? |
| 442 | | case 0x1014 : data = diskonchip_sec_2_read_1014( device); break; |
| 383 | case 0x1014 : data = sec_2_read_1014(); break; |
| 443 | 384 | // ? |
| 444 | | case 0x1022 : data = diskonchip_sec_2_read_1022( device); break; |
| 385 | case 0x1022 : data = sec_2_read_1022(); break; |
| 445 | 386 | // flash control |
| 446 | | case 0x1038 : data = diskonchip_sec_2_read_1038( device); break; |
| 387 | case 0x1038 : data = sec_2_read_1038(); break; |
| 447 | 388 | // flash ? |
| 448 | | case 0x1042 : data = diskonchip_sec_2_read_1042( device); break; |
| 389 | case 0x1042 : data = sec_2_read_1042(); break; |
| 449 | 390 | // ? |
| 450 | | case 0x1046 : data = diskonchip_sec_2_read_1046( device); break; |
| 391 | case 0x1046 : data = sec_2_read_1046(); break; |
| 451 | 392 | // ? |
| 452 | | case 0x1048 : data = (diskonchip_sec_2_read_1048( device) << 0) + (diskonchip_sec_2_read_1049( device) << 8); break; |
| 453 | | case 0x104A : data = (diskonchip_sec_2_read_104A( device) << 0) + (diskonchip_sec_2_read_104B( device) << 8); break; |
| 454 | | case 0x104C : data = (diskonchip_sec_2_read_104C( device) << 0) + (diskonchip_sec_2_read_104D( device) << 8); break; |
| 455 | | case 0x104E : data = (diskonchip_sec_2_read_104E( device) << 0) + (diskonchip_sec_2_read_104F( device) << 8); break; |
| 393 | case 0x1048 : data = (sec_2_read_1048() << 0) + (sec_2_read_1049() << 8); break; |
| 394 | case 0x104A : data = (sec_2_read_104A() << 0) + (sec_2_read_104B() << 8); break; |
| 395 | case 0x104C : data = (sec_2_read_104C() << 0) + (sec_2_read_104D() << 8); break; |
| 396 | case 0x104E : data = (sec_2_read_104E() << 0) + (sec_2_read_104F() << 8); break; |
| 456 | 397 | // ? |
| 457 | | case 0x1074 : data = diskonchip_sec_2_read_1074( device); break; |
| 398 | case 0x1074 : data = sec_2_read_1074(); break; |
| 458 | 399 | } |
| 459 | | verboselog( device->machine(), 9, "(DOC) %08X -> %04X\n", 0x1000 + offset, data); |
| 400 | verboselog( machine(), 9, "(DOC) %08X -> %04X\n", 0x1000 + offset, data); |
| 460 | 401 | return data; |
| 461 | 402 | } |
| 462 | 403 | |
| 463 | | static UINT8 diskonchip_sec_2_read8( device_t *device, UINT32 offset) |
| 404 | UINT8 diskonchip_g3_device::sec_2_read8(UINT32 offset) |
| 464 | 405 | { |
| 465 | | diskonchip_g3_t *doc = get_token( device); |
| 466 | | UINT8 data = doc->sec_2[offset]; |
| 406 | UINT8 data = m_sec_2[offset]; |
| 467 | 407 | switch (0x1000 + offset) |
| 468 | 408 | { |
| 469 | 409 | // ? |
| 470 | | case 0x100E : data = diskonchip_sec_2_read_100E( device); break; |
| 410 | case 0x100E : data = sec_2_read_100E(); break; |
| 471 | 411 | // ? |
| 472 | | case 0x1014 : data = diskonchip_sec_2_read_1014( device); break; |
| 412 | case 0x1014 : data = sec_2_read_1014(); break; |
| 473 | 413 | // ? |
| 474 | | case 0x1022 : data = diskonchip_sec_2_read_1022( device); break; |
| 414 | case 0x1022 : data = sec_2_read_1022(); break; |
| 475 | 415 | // flash control |
| 476 | | case 0x1038 : data = diskonchip_sec_2_read_1038( device); break; |
| 416 | case 0x1038 : data = sec_2_read_1038(); break; |
| 477 | 417 | // flash ? |
| 478 | | case 0x1042 : data = diskonchip_sec_2_read_1042( device); break; |
| 418 | case 0x1042 : data = sec_2_read_1042(); break; |
| 479 | 419 | // ? |
| 480 | | case 0x1046 : data = diskonchip_sec_2_read_1046( device); break; |
| 420 | case 0x1046 : data = sec_2_read_1046(); break; |
| 481 | 421 | // ? |
| 482 | | case 0x1048 : data = diskonchip_sec_2_read_1048( device); break; |
| 483 | | case 0x1049 : data = diskonchip_sec_2_read_1049( device); break; |
| 484 | | case 0x104A : data = diskonchip_sec_2_read_104A( device); break; |
| 485 | | case 0x104B : data = diskonchip_sec_2_read_104B( device); break; |
| 486 | | case 0x104C : data = diskonchip_sec_2_read_104C( device); break; |
| 487 | | case 0x104D : data = diskonchip_sec_2_read_104D( device); break; |
| 488 | | case 0x104E : data = diskonchip_sec_2_read_104E( device); break; |
| 489 | | case 0x104F : data = diskonchip_sec_2_read_104F( device); break; |
| 422 | case 0x1048 : data = sec_2_read_1048(); break; |
| 423 | case 0x1049 : data = sec_2_read_1049(); break; |
| 424 | case 0x104A : data = sec_2_read_104A(); break; |
| 425 | case 0x104B : data = sec_2_read_104B(); break; |
| 426 | case 0x104C : data = sec_2_read_104C(); break; |
| 427 | case 0x104D : data = sec_2_read_104D(); break; |
| 428 | case 0x104E : data = sec_2_read_104E(); break; |
| 429 | case 0x104F : data = sec_2_read_104F(); break; |
| 490 | 430 | } |
| 491 | | verboselog( device->machine(), 9, "(DOC) %08X -> %02X\n", 0x1000 + offset, data); |
| 431 | verboselog( machine(), 9, "(DOC) %08X -> %02X\n", 0x1000 + offset, data); |
| 492 | 432 | return data; |
| 493 | 433 | } |
| 494 | 434 | |
| 495 | | static void diskonchip_sec_2_write_100C( device_t *device, UINT8 data) |
| 435 | void diskonchip_g3_device::sec_2_write_100C(UINT8 data) |
| 496 | 436 | { |
| 497 | | diskonchip_g3_t *doc = get_token( device); |
| 498 | 437 | const char *mode_name[] = { "reset", "normal", "deep power down" }; |
| 499 | 438 | UINT32 mode = data & 3; |
| 500 | | verboselog( device->machine(), 5, "mode %d (%s)\n", mode, mode_name[mode]); |
| 439 | verboselog( machine(), 5, "mode %d (%s)\n", mode, mode_name[mode]); |
| 501 | 440 | if (mode == 0) |
| 502 | 441 | { |
| 503 | | doc->sec_2[0x04] = 00; |
| 442 | m_sec_2[0x04] = 00; |
| 504 | 443 | } |
| 505 | 444 | } |
| 506 | 445 | |
| 507 | | static void diskonchip_sec_2_write_1032( device_t *device, UINT8 data) |
| 446 | void diskonchip_g3_device::sec_2_write_1032(UINT8 data) |
| 508 | 447 | { |
| 509 | | diskonchip_g3_t *doc = get_token( device); |
| 510 | | verboselog( device->machine(), 5, "flash select %02X\n", data); |
| 448 | verboselog( machine(), 5, "flash select %02X\n", data); |
| 511 | 449 | if ((data == 0x12) || (data == 0x27)) |
| 512 | 450 | { |
| 513 | | doc->transfer_offset = 0; |
| 514 | | doc->plane = 0; |
| 515 | | doc->block = 0; |
| 516 | | doc->page = 0; |
| 451 | m_transfer_offset = 0; |
| 452 | m_plane = 0; |
| 453 | m_block = 0; |
| 454 | m_page = 0; |
| 517 | 455 | } |
| 518 | 456 | } |
| 519 | 457 | |
| 520 | | static void diskonchip_g3_erase_block( device_t *device) |
| 458 | void diskonchip_g3_device::g3_erase_block() |
| 521 | 459 | { |
| 522 | | diskonchip_g3_t *doc = get_token( device); |
| 523 | 460 | UINT32 offset; |
| 524 | 461 | int i, j; |
| 525 | 462 | const UINT8 xxx[] = { 0x00, 0x00, 0x87, 0x00, 0x00, 0x00, 0xCE, 0x00, 0xCF, 0x72, 0xFC, 0x1B, 0xA9, 0xC7, 0xB9, 0x00 }; |
| 526 | | verboselog( device->machine(), 5, "erase block %04X\n", doc->block); |
| 527 | | for (i=0;i<doc->pages;i++) |
| 463 | verboselog( machine(), 5, "erase block %04X\n", m_block); |
| 464 | for (i=0;i<m_pages;i++) |
| 528 | 465 | { |
| 529 | | doc->page = i; |
| 466 | m_page = i; |
| 530 | 467 | for (j=0;j<2;j++) |
| 531 | 468 | { |
| 532 | | doc->plane = j; |
| 533 | | offset = diskonchip_g3_offset_data_1( device); |
| 534 | | memset( doc->data[0] + offset, 0xFF, (doc->user_data_size + doc->extra_area_size)); |
| 535 | | offset = diskonchip_g3_offset_data_2( device); |
| 536 | | memcpy( doc->data[1] + offset, xxx, 16); |
| 469 | m_plane = j; |
| 470 | offset = g3_offset_data_1(); |
| 471 | memset( m_data[0] + offset, 0xFF, (m_user_data_size + m_extra_area_size)); |
| 472 | offset = g3_offset_data_2(); |
| 473 | memcpy( m_data[1] + offset, xxx, 16); |
| 537 | 474 | } |
| 538 | 475 | } |
| 539 | 476 | } |
| r14327 | r14328 | |
| 545 | 482 | // 'maincpu' (028848E4): diskonchip_sec_2_write_1034: unknown value 11/1D |
| 546 | 483 | // 'maincpu' (028848E4): diskonchip_sec_2_write_1034: unknown value 10/1D |
| 547 | 484 | |
| 548 | | static void diskonchip_sec_2_write_1034( device_t *device, UINT8 data) |
| 485 | void diskonchip_g3_device::sec_2_write_1034(UINT8 data) |
| 549 | 486 | { |
| 550 | | diskonchip_g3_t *doc = get_token( device); |
| 551 | | verboselog( device->machine(), 5, "flash command %02X\n", data); |
| 552 | | if ((doc->sec_2[0x32] == 0x0E) && (data == 0x00)) |
| 487 | verboselog( machine(), 5, "flash command %02X\n", data); |
| 488 | if ((m_sec_2[0x32] == 0x0E) && (data == 0x00)) |
| 553 | 489 | { |
| 554 | | doc->test = 0; |
| 555 | | doc->address_count = 0; |
| 490 | m_test = 0; |
| 491 | m_address_count = 0; |
| 556 | 492 | } |
| 557 | | else if ((doc->sec_2[0x32] == 0x10) && (data == 0x50)) |
| 493 | else if ((m_sec_2[0x32] == 0x10) && (data == 0x50)) |
| 558 | 494 | { |
| 559 | | doc->test = 1; |
| 560 | | doc->address_count = 0; |
| 495 | m_test = 1; |
| 496 | m_address_count = 0; |
| 561 | 497 | } |
| 562 | | else if ((doc->sec_2[0x32] == 0x03) && (data == 0x3C)) |
| 498 | else if ((m_sec_2[0x32] == 0x03) && (data == 0x3C)) |
| 563 | 499 | { |
| 564 | 500 | // do nothing |
| 565 | 501 | } |
| 566 | | else if ((doc->sec_2[0x32] == 0x00) && (data == 0xFF)) |
| 502 | else if ((m_sec_2[0x32] == 0x00) && (data == 0xFF)) |
| 567 | 503 | { |
| 568 | | doc->address_count = 0; |
| 504 | m_address_count = 0; |
| 569 | 505 | } |
| 570 | | else if (doc->sec_2[0x32] == 0x09) |
| 506 | else if (m_sec_2[0x32] == 0x09) |
| 571 | 507 | { |
| 572 | 508 | if (data == 0x22) |
| 573 | 509 | { |
| r14327 | r14328 | |
| 579 | 515 | } |
| 580 | 516 | else |
| 581 | 517 | { |
| 582 | | verboselog( device->machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, doc->sec_2[0x32]); |
| 518 | verboselog( machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, m_sec_2[0x32]); |
| 583 | 519 | } |
| 584 | 520 | } |
| 585 | | else if (doc->sec_2[0x32] == 0x12) |
| 521 | else if (m_sec_2[0x32] == 0x12) |
| 586 | 522 | { |
| 587 | 523 | if (data == 0x60) |
| 588 | 524 | { |
| 589 | | doc->data_1036 = 0; |
| 590 | | doc->data_1036_count = 0; |
| 591 | | doc->address_count++; |
| 525 | m_data_1036 = 0; |
| 526 | m_data_1036_count = 0; |
| 527 | m_address_count++; |
| 592 | 528 | } |
| 593 | 529 | else if (data == 0x30) |
| 594 | 530 | { |
| r14327 | r14328 | |
| 604 | 540 | } |
| 605 | 541 | else |
| 606 | 542 | { |
| 607 | | verboselog( device->machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, doc->sec_2[0x32]); |
| 543 | verboselog( machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, m_sec_2[0x32]); |
| 608 | 544 | } |
| 609 | 545 | } |
| 610 | | else if (doc->sec_2[0x32] == 0x27) |
| 546 | else if (m_sec_2[0x32] == 0x27) |
| 611 | 547 | { |
| 612 | 548 | if (data == 0x60) |
| 613 | 549 | { |
| 614 | | doc->data_1036 = 0; |
| 615 | | doc->data_1036_count = 0; |
| 616 | | doc->address_count++; |
| 550 | m_data_1036 = 0; |
| 551 | m_data_1036_count = 0; |
| 552 | m_address_count++; |
| 617 | 553 | } |
| 618 | 554 | else if (data == 0xD0) |
| 619 | 555 | { |
| 620 | | diskonchip_g3_erase_block( device); |
| 556 | g3_erase_block(); |
| 621 | 557 | } |
| 622 | 558 | else |
| 623 | 559 | { |
| 624 | | verboselog( device->machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, doc->sec_2[0x32]); |
| 560 | verboselog( machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, m_sec_2[0x32]); |
| 625 | 561 | } |
| 626 | 562 | } |
| 627 | | else if ((doc->sec_2[0x32] == 0x31) && (data == 0x71)) |
| 563 | else if ((m_sec_2[0x32] == 0x31) && (data == 0x71)) |
| 628 | 564 | { |
| 629 | 565 | // erase block status? (after: read one byte from 08xx, bit 0/1/2 is checked) |
| 630 | | doc->test = 2; |
| 566 | m_test = 2; |
| 631 | 567 | } |
| 632 | | else if (doc->sec_2[0x32] == 0x1D) |
| 568 | else if (m_sec_2[0x32] == 0x1D) |
| 633 | 569 | { |
| 634 | 570 | if (data == 0x80) |
| 635 | 571 | { |
| 636 | | doc->data_1036 = 0; |
| 637 | | doc->data_1036_count = 0; |
| 638 | | doc->address_count++; |
| 572 | m_data_1036 = 0; |
| 573 | m_data_1036_count = 0; |
| 574 | m_address_count++; |
| 639 | 575 | } |
| 640 | 576 | else if (data == 0x11) |
| 641 | 577 | { |
| 642 | | doc->test = 3; |
| 578 | m_test = 3; |
| 643 | 579 | } |
| 644 | 580 | else |
| 645 | 581 | { |
| 646 | | verboselog( device->machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, doc->sec_2[0x32]); |
| 582 | verboselog( machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, m_sec_2[0x32]); |
| 647 | 583 | } |
| 648 | 584 | } |
| 649 | 585 | else |
| 650 | 586 | { |
| 651 | | verboselog( device->machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, doc->sec_2[0x32]); |
| 587 | verboselog( machine(), 0, "diskonchip_sec_2_write_1034: unknown value %02X/%02X\n", data, m_sec_2[0x32]); |
| 652 | 588 | } |
| 653 | 589 | } |
| 654 | 590 | |
| 655 | | static void diskonchip_sec_2_write_1036( device_t *device, UINT8 data) |
| 591 | void diskonchip_g3_device::sec_2_write_1036(UINT8 data) |
| 656 | 592 | { |
| 657 | | diskonchip_g3_t *doc = get_token( device); |
| 658 | | if (doc->sec_2[0x34] == 0x60) |
| 593 | if (m_sec_2[0x34] == 0x60) |
| 659 | 594 | { |
| 660 | | doc->data_1036 |= data << (8 * doc->data_1036_count++); |
| 661 | | if (doc->data_1036_count == 3) |
| 595 | m_data_1036 |= data << (8 * m_data_1036_count++); |
| 596 | if (m_data_1036_count == 3) |
| 662 | 597 | { |
| 663 | 598 | UINT32 block, page, plane; |
| 664 | | block = (doc->data_1036 >> 7); |
| 665 | | if (block >= doc->blocks) fatalerror( "DOCG3: invalid block (%d)", block); |
| 666 | | plane = (doc->data_1036 >> 6) & 1; |
| 667 | | page = (doc->data_1036 >> 0) & 0x3F; |
| 668 | | verboselog( device->machine(), 5, "flash address %d - %06X (plane %d block %04X page %04X)\n", doc->address_count, doc->data_1036, plane, block, page); |
| 669 | | if (doc->address_count == 1) |
| 599 | block = (m_data_1036 >> 7); |
| 600 | if (block >= m_blocks) fatalerror( "DOCG3: invalid block (%d)", block); |
| 601 | plane = (m_data_1036 >> 6) & 1; |
| 602 | page = (m_data_1036 >> 0) & 0x3F; |
| 603 | verboselog( machine(), 5, "flash address %d - %06X (plane %d block %04X page %04X)\n", m_address_count, m_data_1036, plane, block, page); |
| 604 | if (m_address_count == 1) |
| 670 | 605 | { |
| 671 | | doc->plane = 0; |
| 672 | | doc->block = block; |
| 673 | | doc->page = page; |
| 606 | m_plane = 0; |
| 607 | m_block = block; |
| 608 | m_page = page; |
| 674 | 609 | } |
| 675 | 610 | } |
| 676 | 611 | } |
| 677 | | else if (doc->sec_2[0x34] == 0x80) |
| 612 | else if (m_sec_2[0x34] == 0x80) |
| 678 | 613 | { |
| 679 | | doc->data_1036 |= data << (8 * doc->data_1036_count++); |
| 680 | | if (doc->data_1036_count == 4) |
| 614 | m_data_1036 |= data << (8 * m_data_1036_count++); |
| 615 | if (m_data_1036_count == 4) |
| 681 | 616 | { |
| 682 | 617 | UINT32 block, page, plane, unk; |
| 683 | | block = (doc->data_1036 >> 15); |
| 684 | | plane = (doc->data_1036 >> 14) & 1; |
| 685 | | page = (doc->data_1036 >> 8) & 0x3F; |
| 686 | | unk = (doc->data_1036 >> 0) & 0xFF; |
| 687 | | verboselog( device->machine(), 5, "flash address %d - %08X (plane %d block %04X page %04X unk %02X)\n", doc->address_count, doc->data_1036, plane, block, page, unk); |
| 688 | | if (doc->address_count == 1) |
| 618 | block = (m_data_1036 >> 15); |
| 619 | plane = (m_data_1036 >> 14) & 1; |
| 620 | page = (m_data_1036 >> 8) & 0x3F; |
| 621 | unk = (m_data_1036 >> 0) & 0xFF; |
| 622 | verboselog( machine(), 5, "flash address %d - %08X (plane %d block %04X page %04X unk %02X)\n", m_address_count, m_data_1036, plane, block, page, unk); |
| 623 | if (m_address_count == 1) |
| 689 | 624 | { |
| 690 | | doc->plane = 0; |
| 691 | | doc->block = block; |
| 692 | | doc->page = page; |
| 693 | | doc->transfer_offset = 0; |
| 625 | m_plane = 0; |
| 626 | m_block = block; |
| 627 | m_page = page; |
| 628 | m_transfer_offset = 0; |
| 694 | 629 | } |
| 695 | 630 | } |
| 696 | 631 | } |
| 697 | | else if (doc->sec_2[0x34] == 0x05) |
| 632 | else if (m_sec_2[0x34] == 0x05) |
| 698 | 633 | { |
| 699 | | doc->transfer_offset = data << 2; |
| 700 | | verboselog( device->machine(), 5, "flash transfer offset %04X\n", doc->transfer_offset); |
| 634 | m_transfer_offset = data << 2; |
| 635 | verboselog( machine(), 5, "flash transfer offset %04X\n", m_transfer_offset); |
| 701 | 636 | } |
| 702 | 637 | } |
| 703 | 638 | |
| 704 | | static void diskonchip_sec_2_write_1040( device_t *device, UINT16 data) |
| 639 | void diskonchip_g3_device::sec_2_write_1040(UINT16 data) |
| 705 | 640 | { |
| 706 | | diskonchip_g3_t *doc = get_token( device); |
| 707 | | doc->transfersize = (data & 0x3FF); |
| 708 | | verboselog( device->machine(), 5, "flash transfer size %04X\n", doc->transfersize); |
| 641 | m_transfersize = (data & 0x3FF); |
| 642 | verboselog( machine(), 5, "flash transfer size %04X\n", m_transfersize); |
| 709 | 643 | } |
| 710 | 644 | |
| 711 | | static void diskonchip_sec_2_write_100A( device_t *device, UINT8 data) |
| 645 | void diskonchip_g3_device::sec_2_write_100A(UINT8 data) |
| 712 | 646 | { |
| 713 | | diskonchip_g3_t *doc = get_token( device); |
| 714 | | doc->device = data & 3; |
| 715 | | verboselog( device->machine(), 5, "select device %d\n", doc->device); |
| 647 | m_device = data & 3; |
| 648 | verboselog( machine(), 5, "select device %d\n", m_device); |
| 716 | 649 | } |
| 717 | 650 | |
| 718 | | static void diskonchip_sec_2_write16( device_t *device, UINT32 offset, UINT16 data) |
| 651 | void diskonchip_g3_device::sec_2_write16(UINT32 offset, UINT16 data) |
| 719 | 652 | { |
| 720 | | diskonchip_g3_t *doc = get_token( device); |
| 721 | | doc->sec_2[offset+0] = (data >> 0) & 0xFF; |
| 722 | | doc->sec_2[offset+1] = (data >> 8) & 0xFF; |
| 723 | | verboselog( device->machine(), 9, "(DOC) %08X <- %04X\n", 0x1000 + offset, data); |
| 653 | m_sec_2[offset+0] = (data >> 0) & 0xFF; |
| 654 | m_sec_2[offset+1] = (data >> 8) & 0xFF; |
| 655 | verboselog( machine(), 9, "(DOC) %08X <- %04X\n", 0x1000 + offset, data); |
| 724 | 656 | switch (0x1000 + offset) |
| 725 | 657 | { |
| 726 | 658 | // ? |
| 727 | | case 0x100C : diskonchip_sec_2_write_100C( device, data); break; |
| 659 | case 0x100C : sec_2_write_100C(data); break; |
| 728 | 660 | // Device ID Select Register |
| 729 | | case 0x100A : diskonchip_sec_2_write_100A( device, data); break; |
| 661 | case 0x100A : sec_2_write_100A(data); break; |
| 730 | 662 | // flash select |
| 731 | | case 0x1032 : diskonchip_sec_2_write_1032( device, data); break; |
| 663 | case 0x1032 : sec_2_write_1032(data); break; |
| 732 | 664 | // flash command |
| 733 | | case 0x1034 : diskonchip_sec_2_write_1034( device, data); break; |
| 665 | case 0x1034 : sec_2_write_1034(data); break; |
| 734 | 666 | // flash address |
| 735 | | case 0x1036 : diskonchip_sec_2_write_1036( device, data); break; |
| 667 | case 0x1036 : sec_2_write_1036(data); break; |
| 736 | 668 | // ? |
| 737 | | case 0x1040 : diskonchip_sec_2_write_1040( device, data); break; |
| 669 | case 0x1040 : sec_2_write_1040(data); break; |
| 738 | 670 | } |
| 739 | 671 | } |
| 740 | 672 | |
| 741 | | static void diskonchip_sec_2_write8( device_t *device, UINT32 offset, UINT8 data) |
| 673 | void diskonchip_g3_device::sec_2_write8(UINT32 offset, UINT8 data) |
| 742 | 674 | { |
| 743 | | diskonchip_g3_t *doc = get_token( device); |
| 744 | | doc->sec_2[offset] = data; |
| 745 | | verboselog( device->machine(), 9, "(DOC) %08X <- %02X\n", 0x1000 + offset, data); |
| 675 | m_sec_2[offset] = data; |
| 676 | verboselog( machine(), 9, "(DOC) %08X <- %02X\n", 0x1000 + offset, data); |
| 746 | 677 | switch (0x1000 + offset) |
| 747 | 678 | { |
| 748 | 679 | // ? |
| 749 | | case 0x100C : diskonchip_sec_2_write_100C( device, data); break; |
| 680 | case 0x100C : sec_2_write_100C(data); break; |
| 750 | 681 | // Device ID Select Register |
| 751 | | case 0x100A : diskonchip_sec_2_write_100A( device, data); break; |
| 682 | case 0x100A : sec_2_write_100A(data); break; |
| 752 | 683 | // flash select |
| 753 | | case 0x1032 : diskonchip_sec_2_write_1032( device, data); break; |
| 684 | case 0x1032 : sec_2_write_1032(data); break; |
| 754 | 685 | // flash command |
| 755 | | case 0x1034 : diskonchip_sec_2_write_1034( device, data); break; |
| 686 | case 0x1034 : sec_2_write_1034(data); break; |
| 756 | 687 | // flash address |
| 757 | | case 0x1036 : diskonchip_sec_2_write_1036( device, data); break; |
| 688 | case 0x1036 : sec_2_write_1036(data); break; |
| 758 | 689 | } |
| 759 | 690 | } |
| 760 | 691 | |
| 761 | | READ16_DEVICE_HANDLER( diskonchip_g3_sec_2_r ) |
| 692 | READ16_MEMBER( diskonchip_g3_device::sec_2_r ) |
| 762 | 693 | { |
| 763 | 694 | if (mem_mask == 0xffff) |
| 764 | 695 | { |
| 765 | | return diskonchip_sec_2_read16( device, offset * 2); |
| 696 | return sec_2_read16(offset * 2); |
| 766 | 697 | } |
| 767 | 698 | else if (mem_mask == 0x00ff) |
| 768 | 699 | { |
| 769 | | return diskonchip_sec_2_read8( device, offset * 2 + 0) << 0; |
| 700 | return sec_2_read8(offset * 2 + 0) << 0; |
| 770 | 701 | } |
| 771 | 702 | else if (mem_mask == 0xff00) |
| 772 | 703 | { |
| 773 | | return diskonchip_sec_2_read8( device, offset * 2 + 1) << 8; |
| 704 | return sec_2_read8( offset * 2 + 1) << 8; |
| 774 | 705 | } |
| 775 | 706 | else |
| 776 | 707 | { |
| 777 | | verboselog( device->machine(), 0, "diskonchip_g3_sec_2_r: unknown mem_mask %08X\n", mem_mask); |
| 708 | verboselog( machine(), 0, "diskonchip_g3_sec_2_r: unknown mem_mask %08X\n", mem_mask); |
| 778 | 709 | return 0; |
| 779 | 710 | } |
| 780 | 711 | } |
| 781 | 712 | |
| 782 | | WRITE16_DEVICE_HANDLER( diskonchip_g3_sec_2_w ) |
| 713 | WRITE16_MEMBER( diskonchip_g3_device::sec_2_w ) |
| 783 | 714 | { |
| 784 | 715 | if (mem_mask == 0xffff) |
| 785 | 716 | { |
| 786 | | diskonchip_sec_2_write16( device, offset * 2, data); |
| 717 | sec_2_write16(offset * 2, data); |
| 787 | 718 | } |
| 788 | 719 | else if (mem_mask == 0x00ff) |
| 789 | 720 | { |
| 790 | | diskonchip_sec_2_write8( device, offset * 2 + 0, (data >> 0) & 0xFF); |
| 721 | sec_2_write8(offset * 2 + 0, (data >> 0) & 0xFF); |
| 791 | 722 | } |
| 792 | 723 | else if (mem_mask == 0xff00) |
| 793 | 724 | { |
| 794 | | diskonchip_sec_2_write8( device, offset * 2 + 1, (data >> 8) & 0xFF); |
| 725 | sec_2_write8(offset * 2 + 1, (data >> 8) & 0xFF); |
| 795 | 726 | } |
| 796 | 727 | else |
| 797 | 728 | { |
| 798 | | verboselog( device->machine(), 0, "diskonchip_g3_sec_2_w: unknown mem_mask %08X\n", mem_mask); |
| 729 | verboselog( machine(), 0, "diskonchip_g3_sec_2_w: unknown mem_mask %08X\n", mem_mask); |
| 799 | 730 | } |
| 800 | 731 | } |
| 801 | 732 | |
| 802 | | READ16_DEVICE_HANDLER( diskonchip_g3_sec_3_r ) |
| 733 | READ16_MEMBER( diskonchip_g3_device::sec_3_r ) |
| 803 | 734 | { |
| 804 | 735 | UINT16 data = 0; |
| 805 | | verboselog( device->machine(), 9, "(DOC) %08X -> %04X\n", 0x1800 + (offset << 1), data); |
| 736 | verboselog( machine(), 9, "(DOC) %08X -> %04X\n", 0x1800 + (offset << 1), data); |
| 806 | 737 | return data; |
| 807 | 738 | } |
| 808 | 739 | |
| 809 | | WRITE16_DEVICE_HANDLER( diskonchip_g3_sec_3_w ) |
| 740 | WRITE16_MEMBER( diskonchip_g3_device::sec_3_w ) |
| 810 | 741 | { |
| 811 | | verboselog( device->machine(), 9, "(DOC) %08X <- %02X\n", 0x1800 + (offset << 1), data); |
| 742 | verboselog( machine(), 9, "(DOC) %08X <- %02X\n", 0x1800 + (offset << 1), data); |
| 812 | 743 | } |
| 813 | 744 | |
| 814 | | #if 0 |
| 815 | | |
| 816 | | static emu_file *nvram_system_fopen( running_machine &machine, UINT32 openflags, const char *name) |
| 745 | //------------------------------------------------- |
| 746 | // device_start - device-specific startup |
| 747 | //------------------------------------------------- |
| 748 | void diskonchip_g3_device::device_start() |
| 817 | 749 | { |
| 818 | | astring fname; |
| 819 | | file_error filerr; |
| 820 | | emu_file *file; |
| 821 | | astring_assemble_4(&fname, machine.system().name, PATH_SEPARATOR, name, ".nv"); |
| 822 | | filerr = mame_fopen( SEARCHPATH_NVRAM, fname.cstr(), openflags, &file); |
| 823 | | return (filerr == FILERR_NONE) ? file : NULL; |
| 824 | | } |
| 750 | verboselog( machine(), 9, "(DOC) device start\n"); |
| 825 | 751 | |
| 826 | | static void diskonchip_load( device_t *device, const char *name) |
| 827 | | { |
| 828 | | emu_file *file; |
| 829 | | file = nvram_system_fopen( device->machine(), OPEN_FLAG_READ, name); |
| 830 | | device_nvram_diskonchip_g3( device, file, 0); |
| 831 | | if (file) mame_fclose( file); |
| 832 | | } |
| 833 | | |
| 834 | | static void diskonchip_save( device_t *device, const char *name) |
| 835 | | { |
| 836 | | emu_file *file; |
| 837 | | file = nvram_system_fopen( device->machine(), OPEN_FLAG_CREATE | OPEN_FLAG_WRITE | OPEN_FLAG_CREATE_PATHS, name); |
| 838 | | device_nvram_diskonchip_g3( device, file, 1); |
| 839 | | if (file) mame_fclose( file); |
| 840 | | } |
| 841 | | |
| 842 | | #endif |
| 843 | | |
| 844 | | static DEVICE_START( diskonchip_g3 ) |
| 845 | | { |
| 846 | | diskonchip_g3_t *doc = get_token( device); |
| 847 | | const diskonchip_g3_config *config = get_config( device); |
| 848 | | |
| 849 | | verboselog( device->machine(), 9, "(DOC) device start\n"); |
| 850 | | |
| 851 | | switch (config->size) |
| 752 | switch (m_size) |
| 852 | 753 | { |
| 853 | 754 | case 64 : |
| 854 | 755 | { |
| 855 | | doc->planes = 2; |
| 856 | | doc->blocks = 1024; |
| 857 | | doc->pages = 64; |
| 858 | | doc->user_data_size = 512; |
| 859 | | doc->extra_area_size = 16; |
| 756 | m_planes = 2; |
| 757 | m_blocks = 1024; |
| 758 | m_pages = 64; |
| 759 | m_user_data_size = 512; |
| 760 | m_extra_area_size = 16; |
| 860 | 761 | } |
| 861 | 762 | break; |
| 862 | 763 | } |
| 863 | 764 | |
| 864 | | doc->data_size[0] = doc->planes * doc->blocks * doc->pages * (doc->user_data_size + doc->extra_area_size); |
| 865 | | doc->data_size[1] = doc->planes * doc->blocks * doc->pages * 16; |
| 866 | | doc->data_size[2] = doc->blocks * 8; |
| 765 | m_data_size[0] = m_planes * m_blocks * m_pages * (m_user_data_size + m_extra_area_size); |
| 766 | m_data_size[1] = m_planes * m_blocks * m_pages * 16; |
| 767 | m_data_size[2] = m_blocks * 8; |
| 867 | 768 | |
| 868 | | doc->data[0] = auto_alloc_array( device->machine(), UINT8, doc->data_size[0]); |
| 869 | | doc->data[1] = auto_alloc_array( device->machine(), UINT8, doc->data_size[1]); |
| 870 | | doc->data[2] = auto_alloc_array( device->machine(), UINT8, doc->data_size[2]); |
| 769 | m_data[0] = auto_alloc_array( machine(), UINT8, m_data_size[0]); |
| 770 | m_data[1] = auto_alloc_array( machine(), UINT8, m_data_size[1]); |
| 771 | m_data[2] = auto_alloc_array( machine(), UINT8, m_data_size[2]); |
| 871 | 772 | |
| 872 | 773 | // diskonchip_load( device, "diskonchip"); |
| 873 | 774 | |
| 874 | | device->save_item( NAME(doc->planes)); |
| 875 | | device->save_item( NAME(doc->blocks)); |
| 876 | | device->save_item( NAME(doc->pages)); |
| 877 | | device->save_item( NAME(doc->user_data_size)); |
| 878 | | device->save_item( NAME(doc->extra_area_size)); |
| 879 | | device->save_pointer( NAME(doc->data[0]), doc->data_size[0]); |
| 880 | | device->save_pointer( NAME(doc->data[1]), doc->data_size[1]); |
| 881 | | device->save_pointer( NAME(doc->data[2]), doc->data_size[2]); |
| 775 | save_item( NAME(m_planes)); |
| 776 | save_item( NAME(m_blocks)); |
| 777 | save_item( NAME(m_pages)); |
| 778 | save_item( NAME(m_user_data_size)); |
| 779 | save_item( NAME(m_extra_area_size)); |
| 780 | save_pointer( NAME(m_data[0]), m_data_size[0]); |
| 781 | save_pointer( NAME(m_data[1]), m_data_size[1]); |
| 782 | save_pointer( NAME(m_data[2]), m_data_size[2]); |
| 882 | 783 | } |
| 883 | 784 | |
| 884 | | static DEVICE_STOP( diskonchip_g3 ) |
| 785 | //------------------------------------------------- |
| 786 | // device_reset - device-specific reset |
| 787 | //------------------------------------------------- |
| 788 | |
| 789 | void diskonchip_g3_device::device_reset() |
| 885 | 790 | { |
| 886 | | verboselog( device->machine(), 9, "(DOC) device stop\n"); |
| 887 | | // diskonchip_save( device, "diskonchip"); |
| 791 | verboselog( machine(), 9, "(DOC) device reset\n"); |
| 888 | 792 | } |
| 889 | 793 | |
| 890 | | static DEVICE_RESET( diskonchip_g3 ) |
| 794 | //------------------------------------------------- |
| 795 | // nvram_default - called to initialize NVRAM to |
| 796 | // its default state |
| 797 | //------------------------------------------------- |
| 798 | |
| 799 | void diskonchip_g3_device::nvram_default() |
| 891 | 800 | { |
| 892 | | verboselog( device->machine(), 9, "(DOC) device reset\n"); |
| 801 | memset(m_data[0], 0xFF, m_data_size[0]); |
| 802 | memset(m_data[1], 0x00, m_data_size[1]); |
| 803 | memset(m_data[2], 0xFF, m_data_size[2]); |
| 893 | 804 | } |
| 894 | 805 | |
| 895 | | static DEVICE_NVRAM( diskonchip_g3 ) |
| 806 | //------------------------------------------------- |
| 807 | // nvram_read - called to read NVRAM from the |
| 808 | // .nv file |
| 809 | //------------------------------------------------- |
| 810 | |
| 811 | void diskonchip_g3_device::nvram_read(emu_file &file) |
| 896 | 812 | { |
| 897 | | diskonchip_g3_t *doc = get_token( device); |
| 898 | | verboselog( device->machine(), 9, "(DOC) nvram %s\n", read_or_write ? "write" : "read"); |
| 899 | | if (read_or_write) |
| 900 | | { |
| 901 | | if (file) |
| 902 | | { |
| 903 | | file->write(doc->data[0], doc->data_size[0]); |
| 904 | | file->write(doc->data[1], doc->data_size[1]); |
| 905 | | file->write(doc->data[2], doc->data_size[2]); |
| 906 | | } |
| 907 | | } |
| 908 | | else |
| 909 | | { |
| 910 | | if (file) |
| 911 | | { |
| 912 | | file->read(doc->data[0], doc->data_size[0]); |
| 913 | | file->read(doc->data[1], doc->data_size[1]); |
| 914 | | file->read(doc->data[2], doc->data_size[2]); |
| 915 | | } |
| 916 | | else |
| 917 | | { |
| 918 | | memset( doc->data[0], 0xFF, doc->data_size[0]); |
| 919 | | memset( doc->data[1], 0x00, doc->data_size[1]); |
| 920 | | memset( doc->data[2], 0xFF, doc->data_size[2]); |
| 921 | | } |
| 922 | | } |
| 813 | file.read(m_data[0], m_data_size[0]); |
| 814 | file.read(m_data[1], m_data_size[1]); |
| 815 | file.read(m_data[2], m_data_size[2]); |
| 923 | 816 | } |
| 924 | 817 | |
| 925 | | DEVICE_GET_INFO( diskonchip_g3 ) |
| 926 | | { |
| 927 | | switch (state) |
| 928 | | { |
| 929 | | /* --- the following bits of info are returned as 64-bit signed integers --- */ |
| 930 | | case DEVINFO_INT_TOKEN_BYTES: info->i = sizeof(diskonchip_g3_t); break; |
| 931 | | case DEVINFO_INT_INLINE_CONFIG_BYTES: info->i = sizeof(diskonchip_g3_config); break; |
| 932 | | // case DEVINFO_INT_CLASS: info->i = DEVICE_CLASS_PERIPHERAL; break; |
| 818 | //------------------------------------------------- |
| 819 | // nvram_write - called to write NVRAM to the |
| 820 | // .nv file |
| 821 | //------------------------------------------------- |
| 933 | 822 | |
| 934 | | /* --- the following bits of info are returned as pointers to data or functions --- */ |
| 935 | | case DEVINFO_FCT_START: info->start = DEVICE_START_NAME(diskonchip_g3); break; |
| 936 | | case DEVINFO_FCT_STOP: info->stop = DEVICE_STOP_NAME(diskonchip_g3); break; |
| 937 | | case DEVINFO_FCT_RESET: info->reset = DEVICE_RESET_NAME(diskonchip_g3); break; |
| 938 | | case DEVINFO_FCT_NVRAM: info->nvram = DEVICE_NVRAM_NAME(diskonchip_g3); break; |
| 939 | | |
| 940 | | /* --- the following bits of info are returned as NULL-terminated strings --- */ |
| 941 | | case DEVINFO_STR_NAME: strcpy(info->s, "DiskOnChip G3"); break; |
| 942 | | case DEVINFO_STR_FAMILY: strcpy(info->s, "DiskOnChip"); break; |
| 943 | | case DEVINFO_STR_VERSION: strcpy(info->s, "1.0"); break; |
| 944 | | case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break; |
| 945 | | case DEVINFO_STR_CREDITS: strcpy( info->s, "Copyright Tim Schuerewegen and the MESS Team" ); break; |
| 946 | | } |
| 823 | void diskonchip_g3_device::nvram_write(emu_file &file) |
| 824 | { |
| 825 | file.write(m_data[0], m_data_size[0]); |
| 826 | file.write(m_data[1], m_data_size[1]); |
| 827 | file.write(m_data[2], m_data_size[2]); |
| 947 | 828 | } |
| 948 | | |
| 949 | | DEFINE_LEGACY_NVRAM_DEVICE(DISKONCHIP_G3, diskonchip_g3); |