trunk/src/mess/drivers/ravens.c
| r22577 | r22578 | |
|---|
| 266 | 266 | int quick_length; |
| 267 | 267 | UINT8 *quick_data; |
| 268 | 268 | int read_; |
| 269 | int result = IMAGE_INIT_FAIL; |
| 269 | 270 | |
| 270 | 271 | quick_length = image.length(); |
| 271 | | quick_data = (UINT8*)malloc(quick_length); |
| 272 | | if (!quick_data) |
| 273 | | { |
| 274 | | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Cannot open file"); |
| 275 | | image.message(" Cannot open file"); |
| 276 | | return IMAGE_INIT_FAIL; |
| 277 | | } |
| 278 | | |
| 279 | | read_ = image.fread( quick_data, quick_length); |
| 280 | | if (read_ != quick_length) |
| 281 | | { |
| 282 | | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Cannot read the file"); |
| 283 | | image.message(" Cannot read the file"); |
| 284 | | return IMAGE_INIT_FAIL; |
| 285 | | } |
| 286 | | |
| 287 | | if (quick_data[0] != 0xc6) |
| 288 | | { |
| 289 | | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Invalid header"); |
| 290 | | image.message(" Invalid header"); |
| 291 | | return IMAGE_INIT_FAIL; |
| 292 | | } |
| 293 | | |
| 294 | | exec_addr = quick_data[1] * 256 + quick_data[2]; |
| 295 | | |
| 296 | | if (exec_addr >= quick_length) |
| 297 | | { |
| 298 | | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Exec address beyond end of file"); |
| 299 | | image.message(" Exec address beyond end of file"); |
| 300 | | return IMAGE_INIT_FAIL; |
| 301 | | } |
| 302 | | |
| 303 | 272 | if (quick_length < 0x0900) |
| 304 | 273 | { |
| 305 | 274 | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "File too short"); |
| 306 | 275 | image.message(" File too short"); |
| 307 | | return IMAGE_INIT_FAIL; |
| 308 | 276 | } |
| 309 | | |
| 310 | | if (quick_length > 0x8000) |
| 277 | else if (quick_length > 0x8000) |
| 311 | 278 | { |
| 312 | 279 | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "File too long"); |
| 313 | 280 | image.message(" File too long"); |
| 314 | | return IMAGE_INIT_FAIL; |
| 315 | 281 | } |
| 282 | else |
| 283 | { |
| 284 | quick_data = (UINT8*)malloc(quick_length); |
| 285 | if (!quick_data) |
| 286 | { |
| 287 | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Cannot open file"); |
| 288 | image.message(" Cannot open file"); |
| 289 | } |
| 290 | else |
| 291 | { |
| 292 | read_ = image.fread( quick_data, quick_length); |
| 293 | if (read_ != quick_length) |
| 294 | { |
| 295 | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Cannot read the file"); |
| 296 | image.message(" Cannot read the file"); |
| 297 | } |
| 298 | else if (quick_data[0] != 0xc6) |
| 299 | { |
| 300 | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Invalid header"); |
| 301 | image.message(" Invalid header"); |
| 302 | } |
| 303 | else |
| 304 | { |
| 305 | exec_addr = quick_data[1] * 256 + quick_data[2]; |
| 316 | 306 | |
| 317 | | // read_ = 0x1000; |
| 318 | | // if (quick_length < 0x1000) |
| 319 | | // read_ = quick_length; |
| 307 | if (exec_addr >= quick_length) |
| 308 | { |
| 309 | image.seterror(IMAGE_ERROR_INVALIDIMAGE, "Exec address beyond end of file"); |
| 310 | image.message(" Exec address beyond end of file"); |
| 311 | } |
| 312 | else |
| 313 | { |
| 314 | for (i = quick_addr; i < read_; i++) |
| 315 | space.write_byte(i, quick_data[i]); |
| 320 | 316 | |
| 321 | | for (i = quick_addr; i < read_; i++) |
| 322 | | space.write_byte(i, quick_data[i]); |
| 317 | /* display a message about the loaded quickload */ |
| 318 | image.message(" Quickload: size=%04X : exec=%04X",quick_length,exec_addr); |
| 323 | 319 | |
| 324 | | // read_ = 0x1780; |
| 325 | | // if (quick_length < 0x1780) |
| 326 | | // read_ = quick_length; |
| 320 | // Start the quickload |
| 321 | m_maincpu->set_pc(exec_addr); |
| 327 | 322 | |
| 328 | | // if (quick_length > 0x157f) |
| 329 | | // for (i = 0x1580; i < read_; i++) |
| 330 | | // space.write_byte(i, quick_data[i]); |
| 323 | result = IMAGE_INIT_PASS; |
| 324 | } |
| 325 | } |
| 326 | } |
| 331 | 327 | |
| 332 | | // if (quick_length > 0x17ff) |
| 333 | | // for (i = 0x1800; i < quick_length; i++) |
| 334 | | // space.write_byte(i, quick_data[i]); |
| 328 | free( quick_data ); |
| 329 | } |
| 335 | 330 | |
| 336 | | /* display a message about the loaded quickload */ |
| 337 | | image.message(" Quickload: size=%04X : exec=%04X",quick_length,exec_addr); |
| 338 | | |
| 339 | | // Start the quickload |
| 340 | | m_maincpu->set_pc(exec_addr); |
| 341 | | return IMAGE_INIT_PASS; |
| 331 | return result; |
| 342 | 332 | } |
| 343 | 333 | |
| 344 | 334 | static MACHINE_CONFIG_START( ravens, ravens_state ) |
| r22577 | r22578 | |
|---|
| 380 | 370 | /* ROM definition */ |
| 381 | 371 | ROM_START( ravens ) |
| 382 | 372 | ROM_REGION( 0x8000, "maincpu", 0 ) |
| 383 | | ROM_LOAD( "mon_v0.9.bin", 0x0000, 0x0800, CRC(785eb1ad) SHA1(c316b8ac32ab6aa37746af37b9f81a23367fedd8)) |
| 373 | ROM_SYSTEM_BIOS( 0, "v1.0", "V1.0" ) |
| 374 | ROMX_LOAD( "mon_v1.0.bin", 0x0000, 0x0800, CRC(785eb1ad) SHA1(c316b8ac32ab6aa37746af37b9f81a23367fedd8), ROM_BIOS(1)) |
| 375 | ROM_SYSTEM_BIOS( 1, "v0.9", "V0.9" ) |
| 376 | ROMX_LOAD( "mon_v0_9.bin", 0x0000, 0x07b5, CRC(2f9b9178) SHA1(ec2ebbc80ee9ff2502c1409ab4f99127032ed724), ROM_BIOS(2)) |
| 384 | 377 | ROM_END |
| 385 | 378 | |
| 386 | 379 | ROM_START( ravens2 ) |