void eprom_scanline_update(int scanline)
{
/* update the playfield */
if (scanline == 0)
{
pf_state.hscroll = (READ_WORD(&atarigen_alpharam[0xf00]) >> 7) & 0x1ff;
pf_state.vscroll = (READ_WORD(&atarigen_alpharam[0xf02]) >> 7) & 0x1ff;
atarigen_pf_update(&pf_state, scanline);
}
void badlands_pf_bank_w(int offset, int data)
{
int oldword = READ_WORD(&atarigen_playfieldram[offset]);
int newword = COMBINE_WORD(oldword, data);
if (oldword != newword)
{
pf_state.param[0] = data & 1;
atarigen_pf_update(&pf_state, cpu_getscanline());
}
}
void relief_scanline_update(int scanline)
{
/* update the playfield */
if (scanline == 0)
{
atarigen_video_control_update(&atarigen_alpharam[0xf00]);
/* copy in the scroll values */
pf_state.hscroll = atarigen_video_control_state.pf1_xscroll + (atarigen_video_control_state.pf2_xscroll & 7);
pf_state.vscroll = atarigen_video_control_state.pf1_yscroll;
pf2_state.hscroll = atarigen_video_control_state.pf2_xscroll + 4;
pf2_state.vscroll = atarigen_video_control_state.pf2_yscroll;
/* update the two playfields */
atarigen_pf_update(&pf_state, scanline);
atarigen_pf2_update(&pf2_state, scanline);
}
/* update the MOs from the SLIP table */
atarigen_mo_update_slip_512(atarigen_spriteram, atarigen_video_control_state.sprite_yscroll, scanline, &atarigen_alpharam[0xf80]);
}