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-newport: Various fixes. [Ryan Holtz]

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* Added direct RGB handling. Fixes login screen and icons.
 * Fixed popup plane handling.
This commit is contained in:
mooglyguy 2019-02-23 16:42:07 +01:00 committed by MooglyGuy
parent afe1467558
commit 92798b5a95
1 changed files with 63 additions and 6 deletions
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69
src/mame/video/newport.cpp
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@ -288,7 +288,15 @@ uint32_t newport_video_device::screen_update(screen_device &device, bitmap_rgb32
// Fetch the initial DID entry
uint16_t curr_did_entry = m_vc2.m_ram[m_vc2.m_did_line_ptr];
uint16_t ci_msb = (m_xmap0.m_mode_table[curr_did_entry & 0x1f] & 0xf8) << 5;
uint32_t table_entry = m_xmap0.m_mode_table[curr_did_entry & 0x1f];
uint16_t ci_msb = 0;
switch ((table_entry >> 8) & 3)
{
case 0: ci_msb = (m_xmap0.m_mode_table[curr_did_entry & 0x1f] & 0xf8) << 5; break;
case 1: ci_msb = 0x1d00; break;
case 2: ci_msb = 0x1e00; break;
case 3: ci_msb = 0x1f00; break;
}
// Prepare for the next DID entry
m_vc2.m_did_line_ptr++;
@ -299,7 +307,14 @@ uint32_t newport_video_device::screen_update(screen_device &device, bitmap_rgb32
{
if ((uint16_t)x == (curr_did_entry >> 5))
{
ci_msb = (m_xmap0.m_mode_table[curr_did_entry & 0x1f] & 0xf8) << 5;
table_entry = m_xmap0.m_mode_table[curr_did_entry & 0x1f];
switch ((table_entry >> 8) & 3)
{
case 0: ci_msb = (m_xmap0.m_mode_table[curr_did_entry & 0x1f] & 0xf8) << 5; break;
case 1: ci_msb = 0x1d00; break;
case 2: ci_msb = 0x1e00; break;
case 3: ci_msb = 0x1f00; break;
}
m_vc2.m_did_line_ptr++;
curr_did_entry = m_vc2.m_ram[m_vc2.m_did_line_ptr];
}
@ -315,11 +330,43 @@ uint32_t newport_video_device::screen_update(screen_device &device, bitmap_rgb32
}
else if (*src_pup)
{
*dest++ = m_cmap0.m_palette[popup_msb | *src_pup];
const uint8_t src = (*src_pup >> 2) & 3;
*dest++ = m_cmap0.m_palette[popup_msb | src];
}
else
{
*dest++ = m_cmap0.m_palette[ci_msb | *src_ci];
switch ((table_entry >> 8) & 3)
{
case 0:
switch ((table_entry >> 10) & 3)
{
case 0: // 4bpp
{
const uint8_t shift = BIT(table_entry, 0) ? 4 : 0;
const uint8_t pix_in = *src_ci;
*dest++ = m_cmap0.m_palette[ci_msb | ((pix_in >> shift) & 0x0f)];
break;
}
case 1: // 8bpp
*dest++ = m_cmap0.m_palette[ci_msb | *src_ci];
break;
case 2: // 12bpp (not yet supported)
case 3: // 24bpp (not yet supported)
break;
}
break;
case 1:
case 2:
case 3:
{
const uint8_t pix_in = *src_ci;
const uint8_t r = (0x92 * BIT(pix_in, 2)) | (0x49 * BIT(pix_in, 1)) | (0x24 * BIT(pix_in, 0));
const uint8_t g = (0x92 * BIT(pix_in, 5)) | (0x49 * BIT(pix_in, 4)) | (0x24 * BIT(pix_in, 3));
const uint8_t b = (0xaa * BIT(pix_in, 7)) | (0x55 * BIT(pix_in, 6));
*dest++ = (r << 16) | (g << 8) | b;
break;
}
}
}
src_ci++;
@ -1383,7 +1430,7 @@ void newport_video_device::write_pixel(int16_t x, int16_t y, uint8_t color)
store_pixel(&m_olay[y * (1280 + 64) + x], color);
break;
case 5: // Popup planes
store_pixel(&m_pup[y * (1280 + 64) + x], color);
store_pixel(&m_pup[y * (1280 + 64) + x], (color << 2) | (color << 6));
break;
case 6: // CID planes
store_pixel(&m_cid[y * (1280 + 64) + x], color);
@ -1697,11 +1744,21 @@ void newport_video_device::do_rex3_command()
end_x += dx;
end_y += dy;
//bool shade = BIT(mode0, 18);
uint32_t color = m_rex3.m_color_i & 0xff;
LOGMASKED(LOG_COMMANDS, "%04x, %04x to %04x, %04x = %08x\n", start_x, start_y, end_x, end_y, color);
for (; start_x != end_x; start_x += dx)
{
write_pixel(start_x, start_y, color);
//if (shade)
//{
// write_pixel(start_x, start_y, (uint8_t)(m_rex3.m_color_red >> 11));
// m_rex3.m_color_red += m_rex3.m_slope_red;
//}
//else
//{
write_pixel(start_x, start_y, color);
//}
}
start_y++;