interrupt.src

ucOS 模拟环境

          .CPU        300
          .EXPORT     _set_irq_handler
          .EXPORT     _irq_table
          .EXPORT     _intr_exception
          .EXPORT     _intr_init
          .SECTION    P,CODE,ALIGN=2
          .LINE       "E:\Study\ucOS-II\ucOS-II\ucOS kernel\Interrupt\Interrupt.c",11
_set_irq_handler:                       ; function: set_irq_handler
          .STACK      _set_irq_handler=6
          PUSH.W      R6
          PUSH.W      R5
          .LINE       12
          .LINE       13
          ADD.W       R0,R0
          MOV.W       #_irq_table,R5
          ADD.W       R0,R5
          MOV.W       @R5,R6
          .LINE       14
          MOV.W       R1,@R5
          .LINE       15
          MOV.W       R6,R0
          .LINE       16
          POP.W       R5
          POP.W       R6
          RTS
          .LINE       18
_intr_exception:                        ; function: intr_exception
          .STACK      _intr_exception=2
          .LINE       19
          .LINE       21
          RTS
          .LINE       23
_intr_init:                             ; function: intr_init
          .STACK      _intr_init=4
          PUSH.W      R6
          .LINE       24
          .LINE       26
          SUB.W       R6,R6
          .LINE       26
          MOV.W       #_intr_exception,R1
L299:                                    
          .LINE       27
          MOV.W       R6,R0
          ADD.W       R0,R0
          MOV.W       R1,@(_irq_table:16,R0)
          .LINE       26
          ADDS.W      #1,R6
          .LINE       26
          MOV.W       R6,R0
          CMP.B       #21,R0L
          SUBX.B      #0,R0H
          BLT         L299
          .LINE       28
          POP.W       R6
          RTS
          .SECTION    B,DATA,ALIGN=2
_irq_table:                             ; static: irq_table
          .RES.W      21
          .END