test_disp.lst

此代码可用来控制数码管及LED的显示

A51 MACRO ASSEMBLER  TEST_DISP                   08/30/2007 19:17:03 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN test_disp.OBJ
ASSEMBLER INVOKED BY: E:\keil uVision 2\C51\BIN\A51.EXE test_disp.asm SET(SMALL
                      ) DEBUG PAGEWIDTH(79) PAGELENGTH(66) EP

LOC  OBJ            LINE     SOURCE

                       1     ;----------------------------------------------
                       2     ;             用汇编编制的显示程序
                       3     ;                  2007.8.29
                       4                     
  0090                 5             spk       BIT   P1.0      ;蜂鸣器
  0091                 6             k1        BIT   P1.1      ;k1
  00A4                 7             k2        BIT   P2.4      ;k2
                       8             
  0097                 9             led_di    bit   p1.7      ;74ls164 示菔淙