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author Lord-Nightmare <Lord-Nightmare@users.noreply.github.com>2017-05-15 01:08:39 -0400
committer Lord-Nightmare <Lord-Nightmare@users.noreply.github.com>2017-05-15 01:08:39 -0400
commit321d93323fbfbe0eab75c35b9825cbb7d8756df2 (patch)
treecf8c747dad910674db1a8b5c9ce685dff5bfcb1b /src/mame/video/epos.cpp
parent21d0662302f0408c031ed35140810fc2316e4c09 (diff)
epos.cpp: Implemented Tristar 9000 hardware ay-3-8910 port A 'multiplexer', PSG REGISTERS test can (in theory) pass with dipswitches set now.
Switched Tristar 8000 hardware to use ay-3-8912 as shown on schematics. [Lord Nightmare]
Diffstat (limited to 'src/mame/video/epos.cpp')
-rw-r--r--src/mame/video/epos.cpp9
1 files changed, 1 insertions, 8 deletions
diff --git a/src/mame/video/epos.cpp b/src/mame/video/epos.cpp
index e0115d68956..60876258a72 100644
--- a/src/mame/video/epos.cpp
+++ b/src/mame/video/epos.cpp
@@ -55,19 +55,12 @@ void epos_state::set_pal_color( uint8_t offset, uint8_t data )
m_palette->set_pen_color(offset, rgb_t(r,g,b));
}
-// later games uses a dynamic palette instead of prom
+// later (tristar 9000) games uses a dynamic palette instead of prom
WRITE8_MEMBER(epos_state::dealer_pal_w)
{
set_pal_color(offset,data);
}
-WRITE8_MEMBER(epos_state::flip_screen_w)
-{
- flip_screen_set(BIT(data, 7));
-
- // bit 6: ay8910 port A/B multiplexer read?
-}
-
WRITE8_MEMBER(epos_state::port_1_w)
{
/* D0 - start light #1