UINT32 pc1512_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
if (m_vdu_mode & MODE_ENABLE_VIDEO)
{
m_blink_ctr++;
if (m_blink_ctr == 0x08)
{
m_cursor = !m_cursor;
}
else if (m_blink_ctr == 0x10)
{
m_cursor = !m_cursor;
m_blink = !m_blink;
m_blink_ctr = 0;
}
switch (get_display_mode(m_vdu_mode))
{
case ALPHA_40:
case GRAPHICS_1:
screen.set_visible_area(0, 359, 0, 245);
break;
case ALPHA_80:
case GRAPHICS_2:
screen.set_visible_area(0, 831, 0, 245);
break;
}
switch (get_display_mode(m_vdu_mode))
{
case ALPHA_40:
case ALPHA_80:
case GRAPHICS_1:
bitmap.fill(PALETTE[m_vdu_color & 0x0f], cliprect);
break;
case GRAPHICS_2:
bitmap.fill(PALETTE[m_vdu_border & 0x0f], cliprect);
break;
}
m_vdu->screen_update(screen, bitmap, cliprect);
}
else
{
bitmap.fill(RGB_BLACK, cliprect);
}
return 0;
}
UINT32 interact_state::screen_update_interact(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 *videoram = m_videoram;
screen.set_visible_area(0, 113, 0, 75);
hector_hr(bitmap, videoram, 77, 32);
return 0;
}
bool abc802_state::screen_update(screen_device &screen, bitmap_t &bitmap, const rectangle &cliprect)
{
// HACK expand visible area to workaround MC6845
screen.set_visible_area(0, 767, 0, 311);
// draw text
m_crtc->update(&bitmap, &cliprect);
return 0;
}
UINT32 hec2hrp_state::screen_update_hec2hrp(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT8 *videoram = m_videoram;
UINT8 *videoram_HR = m_hector_videoram;
if (m_hector_flag_hr==1)
{
if (m_hector_flag_80c==0)
{
screen.set_visible_area(0, 243, 0, 227);
hector_hr(bitmap , &videoram_HR[0], 227, 64);
}
else
{
screen.set_visible_area(0, 243*2, 0, 227);
hector_80c(bitmap , &videoram_HR[0], 227, 64);
}
}
else
{
screen.set_visible_area(0, 113, 0, 75);
hector_hr(bitmap, videoram, 77, 32);
}
return 0;
}
