diff options
author | angelosa <lordkale4@gmail.com> | 2022-11-10 21:52:42 +0100 |
---|---|---|
committer | angelosa <lordkale4@gmail.com> | 2022-11-10 21:52:42 +0100 |
commit | 921e7c1bc0772bc0585da3e523ea6c06c4f1d45e (patch) | |
tree | e7021dde9ee79b6bbdde7b3b7a0632a6f8592653 | |
parent | d13d72d56e542a920311cbd02a22948a7346c900 (diff) |
taito/tc0080vco.cpp: describe fixtaitoair_vco
-rw-r--r-- | src/mame/taito/tc0080vco.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mame/taito/tc0080vco.cpp b/src/mame/taito/tc0080vco.cpp index cf3433e1b4a..2cf11531365 100644 --- a/src/mame/taito/tc0080vco.cpp +++ b/src/mame/taito/tc0080vco.cpp @@ -149,7 +149,10 @@ void tc0080vco_device::device_start() // m_tilemap[0]->set_transparent_pen(0); // m_tilemap[1]->set_transparent_pen(0); - + // ainferno expects upper color bank to be transparent for hud and landing monitor to display properly. + // This is drawn with bit 15, is it expecting some kind of shadowing/blending? The PCB refs doesn't seem to show anything of the like. + // The only other place that sets upper color bank is tetristh, and doesn't seem to have any real effect. + // TODO: this arrangement may be controlled by m_scroll_ram[0] bits 7 and 6, which is either b11 or b00. m_tilemap[0]->set_transmask(0, 0x0001, 0xfffe); m_tilemap[0]->set_transmask(1, 0x8001, 0x7ffe); m_tilemap[1]->set_transmask(0, 0x0001, 0xfffe); |