trunk/src/emu/cpu/arcompact/arcompactdasm.c
| r242261 | r242262 | |
|---|
| 682 | 682 | int arcompact_handle04_1d_dasm(DASM_OPS_32) { print("MPYU (%08x)", op); return 4;} // * |
| 683 | 683 | int arcompact_handle04_1e_dasm(DASM_OPS_32) { print("<illegal 0x04_1e> (%08x)", op); return 4;} |
| 684 | 684 | int arcompact_handle04_1f_dasm(DASM_OPS_32) { print("<illegal 0x04_1f> (%08x)", op); return 4;} |
| 685 | | int arcompact_handle04_20_dasm(DASM_OPS_32) { print("Jcc (%08x)", op); return 4;} |
| 685 | |
| 686 | #define GET_LIMM_32 \ |
| 687 | limm = oprom[6] | (oprom[7] << 8); \ |
| 688 | limm |= (oprom[4] << 16) | (oprom[5] << 24); \ |
| 689 | |
| 690 | int arcompact_handle04_20_dasm(DASM_OPS_32) |
| 691 | { |
| 692 | int C = (op & 0x00000fc0) >> 6; |
| 693 | op &= ~0x00000fc0; |
| 694 | |
| 695 | if (C == LIMM_REG) |
| 696 | { |
| 697 | UINT32 limm; |
| 698 | GET_LIMM_32; |
| 699 | |
| 700 | |
| 701 | print("Jcc %08x (%08x)", limm, op); |
| 702 | } |
| 703 | else |
| 704 | { |
| 705 | print("Jcc (%04x) (%08x)", C, op); |
| 706 | } |
| 707 | |
| 708 | return 4; |
| 709 | } |
| 710 | |
| 686 | 711 | int arcompact_handle04_21_dasm(DASM_OPS_32) { print("Jcc.D (%08x)", op); return 4;} |
| 687 | 712 | int arcompact_handle04_22_dasm(DASM_OPS_32) { print("JLcc (%08x)", op); return 4;} |
| 688 | 713 | int arcompact_handle04_23_dasm(DASM_OPS_32) { print("JLcc.D (%08x)", op); return 4;} |
trunk/src/mess/drivers/leapster.c
| r242261 | r242262 | |
|---|
| 307 | 307 | |
| 308 | 308 | DRIVER_INIT_MEMBER(leapster_state,leapster) |
| 309 | 309 | { |
| 310 | | // the CPU is apparently Little Endian (or 'middle endian') but according to documentation definitely NOT 'Big Endian' |
| 311 | | // a regular ROM order with sensible DASM function makes sense for the 16-bit code, but not for the 32-bit code?! (or initial PC isn't at 0 / there is missing code?) |
| 312 | 310 | |
| 313 | | // do PC = 460c0 to see some code |
| 314 | | |
| 315 | | #if 0 |
| 316 | | UINT16 *ROM = (UINT16*)memregion("maincpu")->base(); |
| 317 | | for (int i = 0; i < 0x200000 / 2; i += 2) |
| 318 | | { |
| 319 | | UINT16 temp = ROM[i]; |
| 320 | | ROM[i] = ROM[i + 1];; |
| 321 | | ROM[i + 1] = temp; |
| 322 | | } |
| 323 | | #endif |
| 324 | 311 | } |
| 325 | 312 | |
| 326 | 313 | CONS(2003, leapster, 0, 0, leapster, leapster, leapster_state, leapster, "LeapFrog", "Leapster (Germany)", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IS_SKELETON ) |