neptunp2.cpp: Add XTAL definition (nw)

This commit is contained in:
AJR 2019-08-01 21:09:35 -04:00
parent d94f06e6e2
commit 2c95d1aab6
2 changed files with 2 additions and 1 deletions

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@ -351,6 +351,7 @@ const double XTAL::known_xtals[] = {
34'846'000, /* 34.846_MHz_XTAL Visual 550 */
35'904'000, /* 35.904_MHz_XTAL Used on HP98543 graphics board */
36'000'000, /* 36_MHz_XTAL Sega Model 1 video board */
36'864'000, /* 36.864_MHz_XTAL Unidesa Cirsa Rock 'n' Roll */
37'980'000, /* 37.98_MHz_XTAL Falco 5220 */
38'769'220, /* 38.76922_MHz_XTAL Namco System 21 video board */
38'863'630, /* 38.86363_MHz_XTAL Sharp X68000 15.98kHz video */

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@ -185,7 +185,7 @@ GFXDECODE_END
void neptunp2_state::neptunp2(machine_config &config)
{
/* basic machine hardware */
I80188(config, m_maincpu, 20000000); // N80C188-20 AMD
I80188(config, m_maincpu, 36.864_MHz_XTAL); // N80C188-20 AMD
m_maincpu->set_addrmap(AS_PROGRAM, &neptunp2_state::neptunp2_map);
m_maincpu->set_addrmap(AS_IO, &neptunp2_state::neptunp2_io);
m_maincpu->set_vblank_int("screen", FUNC(neptunp2_state::irq0_line_hold));