inline void ti8x_update_bank(address_space &space, UINT8 bank, UINT8 *base, UINT8 page, bool is_ram)
{
ti85_state *state = space.machine().driver_data<ti85_state>();
static const char *const tag[] = {"bank1", "bank2", "bank3", "bank4"};
state->membank(tag[bank&3])->set_base(base + (0x4000 * page));
if (is_ram)
space.install_write_bank(bank * 0x4000, bank * 0x4000 + 0x3fff, tag[bank&3]);
else
space.nop_write(bank * 0x4000, bank * 0x4000 + 0x3fff);
}
