测速程序

测速程序 ORG 0000H LJMP MAIN ORG 000BH LJMP Timer_Disp; MAIN: MOV MOV MOV MOV MOV SETB SETB SETB SETB SETB SETB LOOP2: MOV LOOP3: MOV ;MOV TMOD, TH0, TL0, TH1, TL1, ET0; EA; TR0; TR1; RS1; RS0; R7, A, TH1, #061H; #03CH; #0B0H; #016H; #00H; #014H; R7; #25H; 定时器1技计数，方式2；定时器0定时，定时50毫秒 ;MOV R5, #40H; ;SJMP GDY; CJNE A, #00H, LOOP3; GDY: SETB RS1; SETB RS0; ;MOV TH1, CLR TR1; ;MOV TH1, ;MOV R5, MOV A, ;MOV A, MOV B, DIV AB; MOV R4, MOV R5, MOV 50H, MOV 51H, XUNHUAN: MOV A, MOV DPTR, #29H; #4FH; TH1; TL1;#30H;TH1;#017H;TH0; R5; #0AH; A; ShiWei B; GeWei; R4;#7H;R4; R5;#2H;R5;#6H;R5; 50H; #TABLE; MOVC A, @A+DPTR; MOV P0, A; SETB P2.0; CLR P2.1; ACALL DELAY; MOV MOVC MOV CLR SETB ACALL SETB SETB MOV JNB ;MOV ;MOV SJMP DELAY: CLR A, 51H; A, @A+DPTR; P0, A; P2.0; P2.1; DELAY; RS1; RS0; R7, #14H; P2.7, LOOP2; TH0, #00H; TL0, #00H; XUNHUAN;GDY; RS0; CLR RS1; MOV R3, #07D; AAA: MOV R2, #0100D; DJNZ R2, $; DJNZ R3, RET TABLE: DB DB TIMER_Disp: CLR TR0; SETB RS0; SETB RS1; MOV TH0, MOV TL0, DEC R7; SETB TR0; RETI END AAA; 0C0H, 0F9H, 092H, 082H, #03CH; #0B0H; 0A4H, 0D8H, 0B0H, 099H; 080H, 090H;