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32x: improve interrupt handling

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..hopefully..
This commit is contained in:
notaz 2013-08-17 22:46:07 +03:00
parent 531a8f3883
commit 9e1fa0a6cf
4 changed files with 74 additions and 37 deletions
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11
pico/32x/pwm.c
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@ -31,8 +31,7 @@ void p32x_pwm_ctl_changed(void)
static void do_pwm_irq(SH2 *sh2, unsigned int m68k_cycles)
{
Pico32x.sh2irqs |= P32XI_PWM;
p32x_update_irls(sh2, m68k_cycles);
p32x_trigger_irq(sh2, m68k_cycles, P32XI_PWM);
if (Pico32x.regs[0x30 / 2] & P32XP_RTP) {
p32x_event_schedule(m68k_cycles, P32X_EVENT_PWM, pwm_cycles / 3 + 1);
@ -105,8 +104,6 @@ static int p32x_pwm_schedule_(SH2 *sh2, unsigned int m68k_now)
if (cycles_diff_sh2 >= pwm_cycles)
consume_fifo_do(sh2, m68k_now, cycles_diff_sh2);
if (Pico32x.sh2irqs & P32XI_PWM)
return 0; // previous not acked
if (!((Pico32x.sh2irq_mask[0] | Pico32x.sh2irq_mask[1]) & 1))
return 0; // masked by everyone
@ -129,6 +126,12 @@ void p32x_pwm_schedule_sh2(SH2 *sh2)
p32x_event_schedule_sh2(sh2, P32X_EVENT_PWM, after);
}
void p32x_pwm_sync_to_sh2(SH2 *sh2)
{
int m68k_cycles = sh2_cycles_done_m68k(sh2);
consume_fifo(sh2, m68k_cycles);
}
void p32x_pwm_irq_event(unsigned int m68k_now)
{
p32x_pwm_schedule(m68k_now);