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Only check irqs when irr changed

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copy 2017-04-02 14:26:52 -05:00
parent 1332e32d25
commit 612901612c
1 changed files with 6 additions and 6 deletions
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12
src/pic.js
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@ -293,8 +293,8 @@ function PIC(cpu, master)
{
this.irr |= irq_mask;
this.irq_value |= irq_mask;
this.check_irqs();
}
this.check_irqs();
};
this.clear_irq = function(irq_number)
@ -316,8 +316,8 @@ function PIC(cpu, master)
{
this.irq_value &= ~irq_mask;
this.irr &= ~irq_mask;
this.check_irqs();
}
this.check_irqs();
};
}
else
@ -335,8 +335,8 @@ function PIC(cpu, master)
{
this.irr |= irq_mask;
this.irq_value |= irq_mask;
this.check_irqs();
}
this.check_irqs();
};
this.clear_irq = function(irq_number)
@ -352,8 +352,8 @@ function PIC(cpu, master)
{
this.irq_value &= ~irq_mask;
this.irr &= ~irq_mask;
this.check_irqs();
}
this.check_irqs();
};
}
@ -465,12 +465,12 @@ PIC.prototype.port20_read = function()
{
if(this.read_isr)
{
dbg_log("read port 20h (isr): " + h(this.isr));
dbg_log("read port 20h (isr): " + h(this.isr), LOG_PIC);
return this.isr;
}
else
{
dbg_log("read port 20h (irr): " + h(this.irr));
dbg_log("read port 20h (irr): " + h(this.irr), LOG_PIC);
return this.irr;
}
};