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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.irr |= irq_mask;
this.irq_value |= irq_mask; this.irq_value |= irq_mask;
this.check_irqs();
} }
this.check_irqs();
}; };
this.clear_irq = function(irq_number) this.clear_irq = function(irq_number)
@ -316,8 +316,8 @@ function PIC(cpu, master)
{ {
this.irq_value &= ~irq_mask; this.irq_value &= ~irq_mask;
this.irr &= ~irq_mask; this.irr &= ~irq_mask;
this.check_irqs();
} }
this.check_irqs();
}; };
} }
else else
@ -335,8 +335,8 @@ function PIC(cpu, master)
{ {
this.irr |= irq_mask; this.irr |= irq_mask;
this.irq_value |= irq_mask; this.irq_value |= irq_mask;
this.check_irqs();
} }
this.check_irqs();
}; };
this.clear_irq = function(irq_number) this.clear_irq = function(irq_number)
@ -352,8 +352,8 @@ function PIC(cpu, master)
{ {
this.irq_value &= ~irq_mask; this.irq_value &= ~irq_mask;
this.irr &= ~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) 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; return this.isr;
} }
else else
{ {
dbg_log("read port 20h (irr): " + h(this.irr)); dbg_log("read port 20h (irr): " + h(this.irr), LOG_PIC);
return this.irr; return this.irr;
} }
}; };