A51 MACRO ASSEMBLER  TEXT1                                                                10/23/2008 10:17:54 PAGE     1


MACRO ASSEMBLER A51 V8.00d
OBJECT MODULE PLACED IN Text1.OBJ
ASSEMBLER INVOKED BY: D:\anzhuagweizhi\Uision\C51\BIN\A51.EXE Text1.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0090                 1                                             EOC BIT P1.0                                       
                                          ;定義轉(zhuǎn)換結(jié)束端口
  00A6                 2             ST BIT P2.6                                                     ;定義啟動(dòng)轉(zhuǎn)換端口
  00A7                 3             OE BIT P2.7                                                     ;定義輸出允許端口
0000                   4             ORG 0000H
0000 0110              5             AJMP START
0010                   6             ORG 0010H
0010                   7     START:
0010 75A0C2            8             MOV P2,#0C2H                                            ;初始控制端（選擇IN2通道）
0013 C2A6              9             CLR ST                                                          ;禁止啟動(dòng)
0015 D2A6             10             SETB ST                                                         ;啟動(dòng)
0017 C2A6             11             CLR ST                                                          ;禁止啟動(dòng)
0019 3090FD           12             JNB EOC,$                                                       ;檢查是否轉(zhuǎn)換結(jié)束
001C D2A7             13             SETB OE                                                 ;如果結(jié)束允許輸出
                      14                                                     ;將轉(zhuǎn)換的首至坑肔ED顯示
001E 00               15             NOP                                                             ;延時(shí)
001F 00               16             NOP
0020 C2A7             17             CLR OE                                                          ;停止輸出
0022 80EC             18             JMP START                                                       ;循環(huán)掃描
                      19     END
                                             ORG 0000H
*** WARNING #A73 IN 20 (Text1.asm, LINE 20): TEXT FOUND BEYOND END STATEMENT - IGNORED
                                             AJMP START
                                             ORG 0010H
                             START:
                                             MOV SP,#60H                                             ;設(shè)置堆棧指針地址
                                             MOV TMOD,#20H                                           ;T/C1 方式2定時(shí)計(jì)