void atarisys2_slapstic_w (int offset, int data)
{
slapstic_tweak (offset / 2);
/* an extra tweak for the next opcode fetch */
videobank = slapstic_tweak (0x1234);
videoram = alpharam + videobank * 0x2000;
}
int atarisys2_slapstic_r (int offset)
{
slapstic_tweak (offset / 2);
/* an extra tweak for the next opcode fetch */
videobank = slapstic_tweak (0x1234);
videoram = alpharam + videobank * 0x2000;
return READ_WORD (&atarisys2_slapstic_base[offset]);
}
void starwars_state::esb_slapstic_tweak(address_space &space, offs_t offset)
{
int new_bank = slapstic_tweak(space, offset);
/* update for the new bank */
if (new_bank != m_slapstic_current_bank)
{
m_slapstic_current_bank = new_bank;
memcpy(m_slapstic_base, &m_slapstic_source[m_slapstic_current_bank * 0x2000], 0x2000);
}
}
static void esb_slapstic_tweak(address_space &space, offs_t offset)
{
starwars_state *state = space.machine().driver_data<starwars_state>();
int new_bank = slapstic_tweak(space, offset);
/* update for the new bank */
if (new_bank != state->m_slapstic_current_bank)
{
state->m_slapstic_current_bank = new_bank;
memcpy(state->m_slapstic_base, &state->m_slapstic_source[state->m_slapstic_current_bank * 0x2000], 0x2000);
}
}
static READ8_HANDLER( atetris_slapstic_r )
{
int result = slapstic_base[0x2000 + offset];
int new_bank = slapstic_tweak(space, offset) & 1;
/* update for the new bank */
if (new_bank != current_bank)
{
current_bank = new_bank;
memcpy(slapstic_base, &slapstic_source[current_bank * 0x4000], 0x4000);
}
return result;
}
static READ8_HANDLER( atetris_slapstic_r )
{
atetris_state *state = space->machine().driver_data<atetris_state>();
int result = state->m_slapstic_base[0x2000 + offset];
int new_bank = slapstic_tweak(space, offset) & 1;
/* update for the new bank */
if (new_bank != state->m_current_bank)
{
state->m_current_bank = new_bank;
memcpy(state->m_slapstic_base, &state->m_slapstic_source[state->m_current_bank * 0x4000], 0x4000);
}
return result;
}