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32x: final renderer tweaks; PWM disable kills PWM irqs

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@857 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-01-12 13:35:52 +00:00
parent e51e5983fe
commit 07e5dbab71
6 changed files with 135 additions and 39 deletions
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20
pico/32x/pwm.c
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@ -50,14 +50,18 @@ void p32x_timers_recalc(void)
void p32x_timers_do(int new_line)
{
int tm, cnt, i;
tm = (Pico32x.regs[0x30 / 2] & 0x0f00) >> 8;
if (tm != 0) {
if (new_line)
Pico32x.pwm_irq_sample_cnt += pwm_line_samples;
if (Pico32x.pwm_irq_sample_cnt >= (tm << 16)) {
Pico32x.pwm_irq_sample_cnt -= tm << 16;
Pico32x.sh2irqs |= P32XI_PWM;
p32x_update_irls();
if (PicoOpt & POPT_EN_PWM)
{
tm = (Pico32x.regs[0x30 / 2] & 0x0f00) >> 8;
if (tm != 0) {
if (new_line)
Pico32x.pwm_irq_sample_cnt += pwm_line_samples;
if (Pico32x.pwm_irq_sample_cnt >= (tm << 16)) {
Pico32x.pwm_irq_sample_cnt -= tm << 16;
Pico32x.sh2irqs |= P32XI_PWM;
p32x_update_irls();
}
}
}