void tc0100scn_device::postload()
{
set_layer_ptrs();
restore_scroll();
m_tilemap[0][0]->mark_all_dirty();
m_tilemap[1][0]->mark_all_dirty();
m_tilemap[2][0]->mark_all_dirty();
m_tilemap[0][1]->mark_all_dirty();
m_tilemap[1][1]->mark_all_dirty();
m_tilemap[2][1]->mark_all_dirty();
}
void tc0100scn_device::postload()
{
set_layer_ptrs();
restore_scroll();
m_gfxdecode->gfx(m_txnum)->set_source((uint8_t *)m_char_ram);
m_tilemap[0][0]->mark_all_dirty();
m_tilemap[1][0]->mark_all_dirty();
m_tilemap[2][0]->mark_all_dirty();
m_tilemap[0][1]->mark_all_dirty();
m_tilemap[1][1]->mark_all_dirty();
m_tilemap[2][1]->mark_all_dirty();
}
void tc0100scn_device::device_start()
{
static const gfx_layout tc0100scn_charlayout =
{
8,8, /* 8*8 characters */
256, /* 256 characters */
2, /* 2 bits per pixel */
{ 0, 8 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
16*8 /* every sprite takes 16 consecutive bytes */
};
if(!m_gfxdecode->started())
throw device_missing_dependencies();
int xd, yd;
/* Set up clipping for multi-TC0100SCN games. We assume
this code won't ever affect single screen games:
Thundfox is the only one of those with two chips, and
we're safe as it uses single width tilemaps. */
/* Single width versions */
m_tilemap[0][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0100scn_device::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
m_tilemap[1][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0100scn_device::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
m_tilemap[2][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0100scn_device::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
/* Double width versions */
m_tilemap[0][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0100scn_device::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 128, 64);
m_tilemap[1][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0100scn_device::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 128, 64);
m_tilemap[2][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0100scn_device::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 128, 32);
m_tilemap[0][0]->set_transparent_pen(0);
m_tilemap[1][0]->set_transparent_pen(0);
m_tilemap[2][0]->set_transparent_pen(0);
m_tilemap[0][1]->set_transparent_pen(0);
m_tilemap[1][1]->set_transparent_pen(0);
m_tilemap[2][1]->set_transparent_pen(0);
/* Standard width tilemaps. I'm setting the optional chip #2
7 bits higher and 2 pixels to the left than chip #1 because
that's how thundfox wants it. */
xd = (m_multiscrn_hack == 0) ? (-m_x_offset) : (-m_x_offset - 2);
yd = (m_multiscrn_hack == 0) ? (8 - m_y_offset) : (1 - m_y_offset);
m_tilemap[0][0]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[0][0]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[1][0]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[1][0]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[2][0]->set_scrolldx(xd - 16, -m_flip_text_xoffs - xd - 16 - 7);
m_tilemap[2][0]->set_scrolldy(yd, -m_flip_text_yoffs - yd);
if ((strcmp(machine().system().name, "megablst") == 0) ||
(strcmp(machine().system().name, "megablstu") == 0) ||
(strcmp(machine().system().name, "megablstj") == 0) ||
(strcmp(machine().system().name, "finalb") == 0) ||
(strcmp(machine().system().name, "finalbu") == 0) ||
(strcmp(machine().system().name, "finalbj") == 0))
m_tilemap[2][0]->set_scrolldy(yd - 1, -m_flip_text_yoffs - (yd - 1));
/* Double width tilemaps. We must correct offsets for
extra chips, as MAME sees offsets from LHS of whole
display not from the edges of individual screens.
NB flipscreen tilemap offsets are based on Cameltry */
xd = -m_x_offset - m_multiscrn_xoffs;
yd = 8 - m_y_offset;
m_tilemap[0][1]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[0][1]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[1][1]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[1][1]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[2][1]->set_scrolldx(xd - 16, -m_flip_text_xoffs - xd - 16 - 7);
m_tilemap[2][1]->set_scrolldy(yd, -m_flip_text_yoffs - yd);
m_tilemap[0][0]->set_scroll_rows(512);
m_tilemap[1][0]->set_scroll_rows(512);
m_tilemap[0][1]->set_scroll_rows(512);
m_tilemap[1][1]->set_scroll_rows(512);
m_bg_tilemask = 0xffff; /* Mjnquest has 0x7fff tilemask */
m_ram = make_unique_clear<uint16_t[]>(TC0100SCN_RAM_SIZE / 2);
set_layer_ptrs();
/* create the char set (gfx will then be updated dynamically from RAM) */
m_gfxdecode->set_gfx(m_txnum, std::make_unique<gfx_element>(*m_palette, tc0100scn_charlayout, (uint8_t *)m_char_ram, NATIVE_ENDIAN_VALUE_LE_BE(8,0), 256, 0));
gfx_element *gfx = m_gfxdecode->gfx(m_gfxnum);
gfx_element *txt = m_gfxdecode->gfx(m_txnum);
if (gfx->granularity() == 2) /* Yuyugogo, Yesnoj */
gfx->set_granularity(16);
txt->set_granularity(gfx->granularity());
set_colbanks(0, 0, 0); /* standard values, only Wgp & multiscreen games change them */
/* we call this here, so that they can be modified at video_start*/
save_pointer(NAME(m_ram.get()), TC0100SCN_RAM_SIZE / 2);
save_item(NAME(m_ctrl));
save_item(NAME(m_dblwidth));
save_item(NAME(m_gfxbank));
machine().save().register_postload(save_prepost_delegate(FUNC(tc0100scn_device::postload), this));
}
void tc0100scn_device::ctrl_w(offs_t offset, u16 data, u16 mem_mask)
{
COMBINE_DATA(&m_ctrl[offset]);
data = m_ctrl[offset];
switch (offset)
{
case 0x00:
m_bgscrollx = -data;
break;
case 0x01:
m_fgscrollx = -data;
break;
case 0x02:
m_tilemap[2][0]->set_scrollx(0, -data);
m_tilemap[2][1]->set_scrollx(0, -data);
break;
case 0x03:
m_bgscrolly = -data;
break;
case 0x04:
m_fgscrolly = -data;
break;
case 0x05:
m_tilemap[2][0]->set_scrolly(0, -data);
m_tilemap[2][1]->set_scrolly(0, -data);
break;
case 0x06:
{
int old_width = m_dblwidth;
m_dblwidth = (data & 0x10) >> 4;
if (m_dblwidth != old_width) /* tilemap width is changing */
{
/* Reinitialise layer pointers */
set_layer_ptrs();
}
break;
}
case 0x07:
{
int flip = (data & 0x01) ? (TILEMAP_FLIPX | TILEMAP_FLIPY) : 0;
m_tilemap[0][0]->set_flip(flip);
m_tilemap[1][0]->set_flip(flip);
m_tilemap[2][0]->set_flip(flip);
m_tilemap[0][1]->set_flip(flip);
m_tilemap[1][1]->set_flip(flip);
m_tilemap[2][1]->set_flip(flip);
break;
}
}
}
void tc0100scn_device::device_start()
{
// bind callbacks
m_tc0100scn_cb.bind_relative_to(*owner());
static const gfx_layout charlayout =
{
8,8, /* 8*8 characters */
256, /* 256 characters */
2, /* 2 bits per pixel */
{ 0, 8 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
16*8 /* every sprite takes 16 consecutive bytes */
};
if(!m_gfxdecode->started())
throw device_missing_dependencies();
int xd, yd;
/* Set up clipping for multi-TC0100SCN games. We assume
this code won't ever affect single screen games:
Thundfox is the only one of those with two chips, and
we're safe as it uses single width tilemaps. */
/* Single width versions */
m_tilemap[0][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(&tc0100scn_device::get_bg_tile_info<0x00000, 0>, "bg0_std", this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
m_tilemap[1][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(&tc0100scn_device::get_bg_tile_info<0x04000, 1>, "bg1_std", this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
m_tilemap[2][0] = &machine().tilemap().create(*this, tilemap_get_info_delegate(&tc0100scn_device::get_tx_tile_info<0x02000, 0>, "txt_std", this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
/* Double width versions */
m_tilemap[0][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(&tc0100scn_device::get_bg_tile_info<0x00000, 0>, "bg0_wide", this), TILEMAP_SCAN_ROWS, 8, 8, 128, 64);
m_tilemap[1][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(&tc0100scn_device::get_bg_tile_info<0x04000, 1>, "bg1_wide", this), TILEMAP_SCAN_ROWS, 8, 8, 128, 64);
m_tilemap[2][1] = &machine().tilemap().create(*this, tilemap_get_info_delegate(&tc0100scn_device::get_tx_tile_info<0x09000, 1>, "txt_wide", this), TILEMAP_SCAN_ROWS, 8, 8, 128, 32);
m_tilemap[0][0]->set_transparent_pen(0);
m_tilemap[1][0]->set_transparent_pen(0);
m_tilemap[2][0]->set_transparent_pen(0);
m_tilemap[0][1]->set_transparent_pen(0);
m_tilemap[1][1]->set_transparent_pen(0);
m_tilemap[2][1]->set_transparent_pen(0);
/* Standard width tilemaps. I'm setting the optional chip #2
7 bits higher and 2 pixels to the left than chip #1 because
that's how thundfox wants it. */
xd = (m_multiscrn_hack == 0) ? (-m_x_offset) : (-m_x_offset - 2);
yd = (m_multiscrn_hack == 0) ? (8 - m_y_offset) : (1 - m_y_offset);
m_tilemap[0][0]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[0][0]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[1][0]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[1][0]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[2][0]->set_scrolldx(xd - 16, -m_flip_text_xoffs - xd - 16 - 7);
m_tilemap[2][0]->set_scrolldy(yd, -m_flip_text_yoffs - yd);
/* Double width tilemaps. We must correct offsets for
extra chips, as MAME sees offsets from LHS of whole
display not from the edges of individual screens.
NB flipscreen tilemap offsets are based on Cameltry */
xd = -m_x_offset - m_multiscrn_xoffs;
yd = 8 - m_y_offset;
m_tilemap[0][1]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[0][1]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[1][1]->set_scrolldx(xd - 16, -m_flip_xoffs - xd - 16);
m_tilemap[1][1]->set_scrolldy(yd, -m_flip_yoffs - yd);
m_tilemap[2][1]->set_scrolldx(xd - 16, -m_flip_text_xoffs - xd - 16 - 7);
m_tilemap[2][1]->set_scrolldy(yd, -m_flip_text_yoffs - yd);
m_tilemap[0][0]->set_scroll_rows(512);
m_tilemap[1][0]->set_scroll_rows(512);
m_tilemap[0][1]->set_scroll_rows(512);
m_tilemap[1][1]->set_scroll_rows(512);
m_ram = make_unique_clear<u16[]>(TC0100SCN_RAM_SIZE / 2);
set_layer_ptrs();
/* create the char set (gfx will then be updated dynamically from RAM) */
set_gfx(0, std::make_unique<gfx_element>(&palette(), charlayout, (u8 *)&m_ram[0x6000 / 2], NATIVE_ENDIAN_VALUE_LE_BE(8,0), 256, 0));
set_gfx(1, std::make_unique<gfx_element>(&palette(), charlayout, (u8 *)&m_ram[0x11000 / 2], NATIVE_ENDIAN_VALUE_LE_BE(8,0), 256, 0));
gfx_element *bg_gfx = m_gfxdecode->gfx(m_gfxnum);
gfx_element *txt0 = gfx(0);
gfx_element *txt1 = gfx(1);
if (bg_gfx->granularity() == 2) /* Yuyugogo, Yesnoj */
bg_gfx->set_granularity(16);
txt0->set_granularity(bg_gfx->granularity());
txt1->set_granularity(bg_gfx->granularity());
set_colbanks(0, 0, 0); /* standard values, only Wgp & multiscreen games change them */
/* we call this here, so that they can be modified at video_start*/
save_pointer(NAME(m_ram), TC0100SCN_RAM_SIZE / 2);
save_item(NAME(m_ctrl));
save_item(NAME(m_dblwidth));
}