src/mess/drivers/osbexec.c
| r9878 | r9879 | |
| 79 | 79 | if ( pia0_porta & 0x80 ) |
| 80 | 80 | { |
| 81 | 81 | memory_set_bankptr( machine, "0000", machine->region("maincpu")->base()); |
| 82 | | /* When BIOS is enabled 2000-3FFF (or maybe 2000-2FFF) is taken from the first 64KB ) */ |
| 83 | | memory_set_bankptr( machine, "2000", messram_ptr + 0x2000 ); |
| 82 | /* When BIOS is enabled 2000-3FFF is set to the "ROM RAM" */ |
| 83 | memory_set_bankptr( machine, "2000", messram_ptr + 0x20000 ); |
| 84 | 84 | } |
| 85 | 85 | |
| 86 | 86 | if ( pia0_porta & 0x40 ) |
| r9878 | r9879 | |
| 626 | 626 | |
| 627 | 627 | /* internal ram */ |
| 628 | 628 | MCFG_RAM_ADD("messram") |
| 629 | | MCFG_RAM_DEFAULT_SIZE("128K") /* 128KB Main RAM */ |
| 629 | MCFG_RAM_DEFAULT_SIZE("136K") /* 128KB Main RAM + RAM in ROM bank (8) */ |
| 630 | 630 | MACHINE_CONFIG_END |
| 631 | 631 | |
| 632 | 632 | |