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53 lines
727 B
53 lines
727 B
# 1 "mouse.S"
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# 1 "<built-in>"
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# 1 "<command-line>"
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# 1 "mouse.S"
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.globl mouse_interrupt
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mouse_interrupt:
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pushl %eax
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pushl %ebx
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pushl %ecx
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pushl %edx
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push %ds
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#prepare for call readmouse
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movl $0x10,%eax
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mov %ax,%ds
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xor %eax,%eax
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inb $0x60,%al
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pushl %eax
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call readmouse
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addl $4,%esp
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xor %eax,%eax
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inb $0x60,%al
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pushl %eax
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call readmouse
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addl $4,%esp
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xor %eax,%eax
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inb $0x60,%al
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pushl %eax
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call readmouse
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addl $4,%esp
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xor %eax,%eax
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inb $0x60,%al
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pushl %eax
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call readmouse
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addl $4,%esp
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#EOI
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movb $0x20,%al #8259A 操作命令字 EOI
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outb %al,$0xA0 #send EOI to 8259a second
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outb %al,$0x20 #send EOI to 8259a first
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pop %ds
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popl %edx
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popl %ecx
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popl %ebx
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popl %eax
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iret
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