vectors.asm

来自「声音均衡器的源代码程序」· 汇编 代码 · 共 67 行

*****************************************************************************
* FILENAME: VECTORS.ASM 
* This routine initializes the 54x vector table.
*****************************************************************************

 
K_STACK_SIZE    .set    80

reset:          dgoto   main_start               ; RESET vector
                SP = #(100+my_stack)
nmi:            nop                              ; ~NMI
                nop
                nop
                return

* software interrupts
sint17          .space  4*16
sint18          .space  4*16
sint19          .space  4*16
sint20          .space  4*16
sint21          .space  4*16
sint22          .space  4*16
sint23          .space  4*16
sint24          .space  4*16
sint25          .space  4*16
sint26          .space  4*16
sint27          .space  4*16
sint28          .space  4*16
sint29          .space  4*16
sint30          .space  4*16

int0:           return_fast                      ; INT0
                nop
                nop
                nop
int1:           return_fast                      ; INT1
                nop
                nop
                nop
int2:           return_fast                      ; INT2
                nop
                nop
                nop
timer:          return_fast                      ; TIMER
                nop
                nop
                nop
rint0:          goto   receive                   ; Serial Port Receive
                nop                              ; Interrupt 0
                nop
xint0:          return_fast                      ; Serial Port Transmit
                nop                              ; Interrupt 0
                nop
                nop
rint1:          goto   receive                   ; Serial Port Receive
                nop                              ; Interrupt 1
                nop
xint1:          return_fast                      ; Serial Port Transmit
                nop                              ; Interrupt 1
                nop
                nop
int3:           return_fast                      ; INT3
                nop
                nop
                nop