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Rev 492 Rev 1036
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;* IRQ HANDLER FOR PS/2 MOUSE         *
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;* IRQ HANDLER FOR PS/2 MOUSE         *
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;**************************************
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;**************************************
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proc irq_handler
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proc irq_handler
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        call    Wait8042BufferEmpty  ;clear buffer
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;        call    Wait8042BufferEmpty  ;clear buffer
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        in      al,0x60              ;get scan-code
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        in      al,0x60              ;get scan-code
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;*   Waiting for clearing I8042 buffer         *
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;*   Waiting for clearing I8042 buffer         *
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;* Retutned state:                             *
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;* Retutned state:                             *
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;* ZF is set - good ending,                    *
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;* ZF is set - good ending,                    *
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;* ZF is cleared - time-out error.             *
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;* ZF is cleared - time-out error.             *
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;***********************************************
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;***********************************************
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Wait8042BufferEmpty:
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;Wait8042BufferEmpty:
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        push ecx
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;        push ecx
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        xor  ecx,ecx
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;        xor  ecx,ecx
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      @@:
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;      @@:
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        in     al,64h
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;        in     al,64h
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        test   al,00000010b
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;        test   al,00000010b
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        loopnz @b
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;        loopnz @b
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        pop    ecx
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;        pop    ecx
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;
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        ret
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;        ret