static WRITE16_HANDLER( cabal_sound_irq_trigger_word_w )
{
seibu_main_word_w(space,4,data,mem_mask);
/* spin for a while to let the Z80 read the command, otherwise coins "stick" */
device_spin_until_time(&space->device(), attotime::from_usec(50));
}
static READ32_HANDLER( osman_speedup_r )
{
simpl156_state *state = space->machine().driver_data<simpl156_state>();
if (cpu_get_pc(&space->device()) == 0x5974)
device_spin_until_time(&space->device(), attotime::from_usec(400));
return state->m_systemram[0x10/4];
}
/* at least speeds up the annoying copyright screens ;-) */
static READ64_HANDLER( naomigd_sfz3ugd_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0xc36a2dc)
device_spin_until_time(&space->device(), attotime::from_usec(500));
return naomi_ram64[0x5dc900/8];
}
static READ64_HANDLER( naomigd_ggxx_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0xc0b5c3c) // or 0xc0bab0c
device_spin_until_time(&space->device(), attotime::from_usec(500));
return naomi_ram64[0x1837b8/8];
}
static READ64_HANDLER( naomigd_ggxxsla_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0x0c0c9adc)
device_spin_until_time(&space->device(), attotime::from_usec(500));
return naomi_ram64[0x1aae18/8];
}
static READ64_HANDLER( dcjp_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0xc0bac62)
device_spin_until_time(&space->device(), attotime::from_usec(2500));
// device_spinuntil_int(&space->device());
return dc_ram[0x2302f8/8];
}
static READ64_HANDLER( naomi_biosh_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0xc045ffc)
device_spin_until_time(&space->device(), attotime::from_usec(500));
// printf("%08x\n", cpu_get_pc(&space->device()));
return naomi_ram64[0x2b0600/8];
}
static READ64_HANDLER( naomigd_ggxxrl_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0xc0b84bc) // or 0xc0bab0c
device_spin_until_time(&space->device(), attotime::from_usec(500));
//printf("%08x\n", cpu_get_pc(&space->device()));
return naomi_ram64[0x18d6c8/8];
}
static READ64_HANDLER( hotd2_idle_skip_r )
{
if (cpu_get_pc(&space->device())==0xc0cfcbc)
device_spin_until_time(&space->device(), attotime::from_usec(500));
//device_spin_until_interrupt(&space->device());
// else
// printf("%08x\n", cpu_get_pc(&space->device()));
return naomi_ram64[0xa25fb8/8];
}
static WRITE16_HANDLER( sandscrp_soundlatch_word_w )
{
sandscrp_state *state = space->machine().driver_data<sandscrp_state>();
if (ACCESSING_BITS_0_7)
{
state->m_latch1_full = 1;
soundlatch_w(space, 0, data & 0xff);
cputag_set_input_line(space->machine(), "audiocpu", INPUT_LINE_NMI, PULSE_LINE);
device_spin_until_time(&space->device(), attotime::from_usec(100)); // Allow the other cpu to reply
}
}
static READ32_HANDLER( bballoon_speedup_r )
{
UINT32 ret = s3c2410_lcd_r(s3c2410, offset+0x10/4, mem_mask);
int pc = cpu_get_pc(&space->device());
// these are vblank waits
if (pc == 0x3001c0e4 || pc == 0x3001c0d8)
{
// BnB Arcade
device_spin_until_time(&space->device(), attotime::from_usec(20));
}
else if (pc == 0x3002b580 || pc == 0x3002b550)
{
// Happy Tour
device_spin_until_time(&space->device(), attotime::from_usec(20));
}
//else
// printf("speedup %08x %08x\n", pc, ret);
return ret;
}
