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sega/system1.cpp: fixed MT07157

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This commit is contained in:
Ivan Vangelista 2024-01-13 13:38:01 +01:00
parent 4db7893ede
commit eb9435a834
1 changed files with 7 additions and 5 deletions
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12
src/mame/sega/system1.cpp
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@ -484,7 +484,7 @@ void system1_state::sound_control_w(u8 data)
/* bit 0 = MUTE (inverted sense on System 2) */
machine().sound().system_mute((data ^ m_mute_xor) & 1);
/* bit 6 = feedback from sound board that read occurrred */
/* bit 6 = feedback from sound board that read occurred */
/* bit 7 controls the sound CPU's NMI line */
m_soundcpu->set_input_line(INPUT_LINE_NMI, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE);
@ -5438,6 +5438,7 @@ ROM_START( nob )
ROM_REGION( 0x10000, "soundcpu", 0 )
ROM_LOAD( "dm03.9h", 0x0000, 0x4000, CRC(415adf76) SHA1(fbd6f8921aa3246702983ba81fa9ae53fa10c19d) )
ROM_RELOAD( 0x4000, 0x4000 )
ROM_REGION( 0x18000, "tiles", 0 )
ROM_LOAD( "dm02.13b", 0x08000, 0x8000, CRC(f12df039) SHA1(159de205f77fd74da30717054e6ddda2c0bb63d0) )
@ -5469,6 +5470,7 @@ ROM_START( nobb )
ROM_REGION( 0x10000, "soundcpu", 0 )
ROM_LOAD( "nobo-m.bin", 0x0000, 0x4000, CRC(415adf76) SHA1(fbd6f8921aa3246702983ba81fa9ae53fa10c19d) )
ROM_RELOAD( 0x4000, 0x4000 )
ROM_REGION( 0x18000, "tiles", 0 )
ROM_LOAD( "nobo-j.bin", 0x08000, 0x8000, CRC(f12df039) SHA1(159de205f77fd74da30717054e6ddda2c0bb63d0) )
@ -5629,14 +5631,14 @@ void system1_state::init_nobb()
// ROM[0x10000 + 0 * 0x8000 + 0x3347] = 0x18; // 'jr' instead of 'jr z'
/* Patch to get sound in later levels(the program enters into a tight loop)*/
address_space &iospace = m_maincpu->space(AS_IO);
u8 *ROM2 = memregion("soundcpu")->base();
/* Patch to get sound in later levels(the program enters into a tight loop), disabled as it seems fixed by mirroring the sound ROM*/
// u8 *ROM2 = memregion("soundcpu")->base();
ROM2[0x02f9] = 0x28;//'jr z' instead of 'jr'
// ROM2[0x02f9] = 0x28;//'jr z' instead of 'jr'
init_bank44();
address_space &iospace = m_maincpu->space(AS_IO);
iospace.install_read_handler(0x1c, 0x1c, read8smo_delegate(*this, FUNC(system1_state::nobb_inport1c_r)));
iospace.install_read_handler(0x02, 0x02, read8smo_delegate(*this, FUNC(system1_state::nobb_inport22_r)));
iospace.install_read_handler(0x03, 0x03, read8smo_delegate(*this, FUNC(system1_state::nobb_inport23_r)));