Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-16 21:44:32 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

nightgal.cpp: added preliminary protection emulation for Night Gal Summer [Angelo Salese]

Browse Source
This commit is contained in:
angelosa 2017-08-25 15:50:44 +02:00
parent 33c9bba7da
commit 2fe23a949b
1 changed files with 58 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
src/mame/drivers/nightgal.cpp
View File

@ -10,8 +10,8 @@ driver by David Haywood & Angelo Salese
many thanks to Charles MacDonald for the schematics / documentation of this HW.
TODO:
- extra protection for Night Gal Summer (ports 0x6000-3 for z80);
- Fix Sweet Gal/Sexy Gal layer clearances;
- Fix Sweet Gal/Sexy Gal/Sexy Gal Tropical layer clearances (more protection?);
- Understand why Night Gal Summer title screen gets wiped out (protection issue);
- NMI origin for Sexy Gal / Night Gal Summer
- unemulated WAIT pin for Z80, MCU asserts it when accessing communication RAM
@ -90,7 +90,8 @@ public:
DECLARE_WRITE8_MEMBER(output_w);
DECLARE_DRIVER_INIT(ngalsumr);
DECLARE_DRIVER_INIT(royalqn);
DECLARE_WRITE8_MEMBER(ngalsumr_unk_w);
DECLARE_WRITE8_MEMBER(ngalsumr_prot_latch_w);
DECLARE_READ8_MEMBER(ngalsumr_prot_value_r);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
@ -242,12 +243,15 @@ void nightgal_state::z80_wait_assert_cb()
READ8_MEMBER(nightgal_state::royalqn_comm_r)
{
z80_wait_assert_cb();
machine().scheduler().synchronize(); // force resync
return (m_comms_ram[offset] & 0x80) | (0x7f); //bits 6-0 are undefined, presumably open bus
}
WRITE8_MEMBER(nightgal_state::royalqn_comm_w)
{
z80_wait_assert_cb();
machine().scheduler().synchronize(); // force resync
m_comms_ram[offset] = data & 0x80;
}
@ -1137,14 +1141,61 @@ DRIVER_INIT_MEMBER(nightgal_state,royalqn)
ROM[0x027f] = 0x02;
}
WRITE8_MEMBER(nightgal_state::ngalsumr_unk_w)
// Night Gal Summer uses a protection latch device to get some layer clearances width/height values.
WRITE8_MEMBER(nightgal_state::ngalsumr_prot_latch_w)
{
//m_z80_latch = data;
m_z80_latch = data;
}
READ8_MEMBER(nightgal_state::ngalsumr_prot_value_r)
{
switch(m_z80_latch)
{
case 0:
return 0;
case 1:
return 0x14;
case 0x4: // cpu hand height on winning
return 62;
case 0x3: // game over msg height
return 12;
case 0xf: // game over msg width
return 255;
case 0xa: // girl width (title screen)
return 0x40;
case 0xb: // girl height (title screen)
return 0x60;
case 0xc: // score table blink width
return 80;
case 0x2: // score table blink height
return 8;
case 0x6: // player hand height on losing
return 28;
case 0x7: // player discards height on losing
return 38;
case 0xd: // player discards width on losing
return 142;
case 0xe: // player hand width on losing
return 200;
case 0xff:
return 0;
}
printf("%02x\n",m_z80_latch);
return 0;
}
DRIVER_INIT_MEMBER(nightgal_state,ngalsumr)
{
m_maincpu->space(AS_PROGRAM).install_write_handler(0x6000, 0x6000, write8_delegate(FUNC(nightgal_state::ngalsumr_unk_w), this) );
m_maincpu->space(AS_PROGRAM).install_write_handler(0x6000, 0x6000, write8_delegate(FUNC(nightgal_state::ngalsumr_prot_latch_w), this) );
m_maincpu->space(AS_PROGRAM).install_read_handler(0x6001, 0x6001, read8_delegate(FUNC(nightgal_state::ngalsumr_prot_value_r), this) );
// 0x6003 some kind of f/f state
}
@ -1157,6 +1208,6 @@ GAME( 1984, royalqn, 0, royalqn, sexygal, nightgal_state, royalqn, ROT0
GAME( 1985, sexygal, 0, sexygal, sexygal, nightgal_state, 0, ROT0, "Nichibutsu", "Sexy Gal (Japan 850501 SXG 1-00)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
GAME( 1985, sweetgal, sexygal, sexygal, sexygal, nightgal_state, 0, ROT0, "Nichibutsu", "Sweet Gal (Japan 850510 SWG 1-02)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
/* Type 3 HW */
GAME( 1985, ngalsumr, 0, ngalsumr,sexygal, nightgal_state, ngalsumr, ROT0, "Nichibutsu", "Night Gal Summer (Japan 850702 NGS 0-01)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
GAME( 1985, ngalsumr, 0, ngalsumr,sexygal, nightgal_state, ngalsumr, ROT0, "Nichibutsu", "Night Gal Summer [BET] (Japan 850702 NGS 0-01)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE ) // protection
/* Type 4 HW */
GAME( 1985, sgaltrop, 0, sgaltrop,sexygal, nightgal_state, 0, ROT0, "Nichibutsu", "Sexy Gal Tropical [BET] (Japan 850805 SXG T-02)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )