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crazyfgt: Eliminate timer hack since YM3812 IRQ works well enough now

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This commit is contained in:
AJR 2022-07-03 08:16:28 -04:00
parent aa1561999c
commit f4cc7e6b99
2 changed files with 3 additions and 15 deletions
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17
src/mame/seta/seta.cpp
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@ -129,8 +129,7 @@ TODO:
- flip screen and mirror support not working correctly in zombraid
- gundhara visible area might be smaller (zombraid uses the same MachineDriver, and
the current area is right for it)
- crazyfgt: emulate protection & tickets, fix graphics glitches, find correct clocks,
level 2 interrupt should probably be triggered by the 3812 but sound tends to die that way.
- crazyfgt: emulate protection & tickets, fix graphics glitches, find correct clocks.
- jjsquawk: Player's shot sound is missing (not requested to X1-010?).
Many sounds are wrong since MAME 0.62.
i.e.
@ -10001,23 +10000,12 @@ void pairlove_state::pairlove(machine_config &config)
Crazy Fight
***************************************************************************/
TIMER_DEVICE_CALLBACK_MEMBER(seta_state::crazyfgt_interrupt)
{
int scanline = param;
if ((scanline % 48) == 0)
m_maincpu->set_input_line(2, HOLD_LINE); // should this be triggered by the 3812?
if (scanline == 240)
m_maincpu->set_input_line(1, HOLD_LINE);
}
void seta_state::crazyfgt(machine_config &config)
{
/* basic machine hardware */
M68000(config, m_maincpu, 16_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &seta_state::crazyfgt_map);
TIMER(config, "scantimer").configure_scanline(FUNC(seta_state::crazyfgt_interrupt), "screen", 0, 1);
m_maincpu->set_vblank_int("screen", FUNC(seta_state::irq1_line_hold));
X1_001(config, m_spritegen, 16_MHz_XTAL, m_palette, gfx_sprites);
m_spritegen->set_gfxbank_callback(FUNC(seta_state::setac_gfxbank_callback));
@ -10043,6 +10031,7 @@ void seta_state::crazyfgt(machine_config &config)
SPEAKER(config, "mono").front_center();
ym3812_device &ymsnd(YM3812(config, "ymsnd", 16_MHz_XTAL / 4));
ymsnd.irq_handler().set_inputline(m_maincpu, 2);
ymsnd.add_route(ALL_OUTPUTS, "mono", 0.5);
okim6295_device &oki(OKIM6295(config, "oki", 4.433619_MHz_XTAL / 4, okim6295_device::PIN7_HIGH));

1
src/mame/seta/seta.h
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@ -161,7 +161,6 @@ protected:
TIMER_CALLBACK_MEMBER(uPD71054_timer_callback);
TIMER_DEVICE_CALLBACK_MEMBER(seta_interrupt_1_and_2);
TIMER_DEVICE_CALLBACK_MEMBER(seta_interrupt_2_and_4);
TIMER_DEVICE_CALLBACK_MEMBER(crazyfgt_interrupt);
void set_pens();
void seta_layers_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int sprite_bank_size);