【正文】 R4, 02H MOV R5, 80H LCALL COMPARE JC GETSPEED_2 JB FUHAO, GETSOEED_11 MOV SPEED, 25H MOV SPEED+1, 9FH RETGETSPEED_11: MOV SPEED, 20H MOV SPEED+1, 89H RETGETSPEED_2: MOV R4, 01H MOV R5, 0E0H LCALL COMPARE JC GETSPEED_3 JB FUHAO, GETSOEED_21 MOV SPEED, 24H MOV SPEED+1, 0FCH RETGETSPEED_21: MOV SPEED, 21H MOV SPEED+1, 2CH RETGETSPEED_3: MOV R4, 01H MOV R5, 40H LCALL COMPARE JC GETSPEED_4 JB FUHAO, GETSOEED_31 MOV SPEED, 24H MOV SPEED+1, 75H RETGETSPEED_31: MOV SPEED, 21H MOV SPEED+1, 0CEH RETGETSOEED_4: MOV R4, 00H MOV R5, 0CEH LCALL COMPARE JC GETSPEED_5 JB FUHAO, GETSOEED_41 MOV SPEED, 23H MOV SPEED+1, 0D2H RETGETSPEED_41: MOV SPEED, 22H MOV SPEED+1, 71H RETGETSPEED_5: MOV SPEED, 23H MOV SPEED+1, 2FH RET距離計(jì)算/﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡距離計(jì)算函數(shù)（帶溫度補(bǔ)償）﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡/COMPUTR:MOV A, TEMPCLR CCLR FUHAOSUBB A, 80HJC COMPUTER_1SETB FUHAOLCALL BMCOMPUTER_1:LCALL GETSPEEDMOV R2, SPEEDMOV R3, SPEED+1MOV R6, JSHMOV R7, JSLLCALL MULDCLR CMOV A, R2RRC AMOV R2, AMOV A, R3RRC AMOV R3, AMOV A, R4RRC AMOV R4, AMOV A, R5RRC AMOV R5, AMOV R0 DISTANCEMOV A, R2MOV @R0, AINC R0MOV A, R3MOV @R0, AINC R0MOV A, R4MOV @R0, AINC R0MOV A, R5MOV @R0, ARET數(shù)據(jù)轉(zhuǎn)換程序/﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡數(shù)據(jù)轉(zhuǎn)換子程序轉(zhuǎn)換后的數(shù)據(jù)存入顯示緩沖區(qū)以提供顯示待轉(zhuǎn)換的數(shù)據(jù)有：溫度值，距離值﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡/HEX2BCD:MOV A, TEMPCLR CCLR FUHAOSUBB A, 80HJC JEX2BCD_1SETB FUHAOLCALL BMHEX2BCD_1:MOV R2, TEMPMOV R3, TEMP+1MOV A, R2ANL A, 00000111BRL A,RL A,RL A,RL A,MOV R2, AMOV A, R3ANL A, 11110000BSWAP AORL A, R2MOV B, 100DIV ABMOV A, BMOV B, 10DIV ABMOV R0, DISPBUF+5JNB FUHAO, HEX2BCD_2ORL A, 80HHEX2BCD_2:MOV @R0, AMOV A, BDEC R0MOV @R0, AMOV R0, DISTANCEMOV A, @R0MOV R6, AINC R0MOV A, @R0MOV R7, ALCALL HB2MOV A, R3ANL A, 0F0HSWAP AMOV R0, DISOBUF+3MOV @R0, AMOV A, R3ANL A, 0FHDEC R0MOV @R0, AMOV A, R4ANL A, 0F0HSWAP ADEC R0MOV @R0, AMOV A, 0FHDEC R0MOV @R0, ARET溫度求補(bǔ)/﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡對讀出的溫度值TEMP求補(bǔ)碼，得到原碼，符號單獨(dú)處理﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡/BM：CLR CMOV A， TEMPCPL AADD A， 1MOV A， TEMP+1CPL AADDC A， 0MOV TEMP+1，ARET系統(tǒng)主程序/﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡系統(tǒng)主程序：﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡﹡/ORG 0000HLJMP MAINORG 000BHLJMP TIMER0ORG 0030HMAIN：MOV R5， 0FFHMAIN_0:LCALL DELAYIMSLCALL DELAYIMSLCALL DELAYIMSDJNZ R5, MAIN_0LCALL SYS_INITLCALL INIT_7219LCALL DISPLAYCLR STA_FLAGCLR S1_FLAGWAITFORSTARTING:JB ENTER, $MOV R5, 20MAIN_1:LCALL DELAY1MSDJNZ R5, MAIN_1JB ENTER, WAITFORSTARTINGCPL S1_FLAGJB S1_FLAG, MAIN_10CLR TR0CLR ET0SJMP WAITFORSTARTINGMAIN_10:SETB TR0SETB ET0LCALL DS18B20_STARTMAIN_2:JNB STA_FLAG, MAIN_2JB CSBIN, $CLR TR1MOV JSH, TH1MOV JSL, TL1MOV A, COUNTXRL A 10JNZ MAIN_21LCALL DS18B20_GETMOV COUNT, 0LCALL DS18B20_STARTMAIN_21:LCALL COMPUTERLCALL HEX2BCDLCALL DISPLAYCLR STA_FLAGGOTO WAITFORSTARTING