《机械系统计算机接口技术》课程设计相关程序BUFF_KEY EQU 21H ;键盘键 BUFF_LED1 EQU 22H ;数码管显示缓存 BUFF_LED2 EQU 23H BUFF_LED3 EQU 24H BUFF_LED4 EQU 25H BUFF_LED5 EQU 26H BUFF_LED6 EQU 27H BUFF_LED_LP EQU 28H ;T0 键盘显示扫描缓存 HOR EQU 30H ;小时值缓存 MIN EQU 31H ;分钟值缓存 SEC EQU 32H ;秒值缓存 F_BEEP BIT 01H LED_PORT EQU P0 DIG_PORT EQU P2 KEY_PORT EQU P2 SW1 BIT P2.7 SW2 BIT P2.6 SW3 BIT P2.5 SW4 BIT P2.4 SW5 BIT P2.3 SW6 BIT P2.2 BEEP BIT P2.0 KEY BIT P3.3 org 000h JMP main ORG 00BH JMP T0_INT ORG 100HMAIN: MOV SP ,#40H MOV PSW,#00H MOV R0,#7FH ;初始化 RAM 区, CLR_RAM:MOV A,#00H MOV @R0,A DJNZ R0,CLR_RAM MOV P1,0FFH ;INIT MOV P2,0FFH MOV P0,0FFH MOV P3,0FFH MOV TMOD,#21h MOV TH0,#240 ;T0=4MS MOV TL0,#96 SETB TR0 SETB ET0 SETB EA WAIT_KEY:JB KEY,$ ;等候按键! JNB SW1,SW1_OK JNB SW2,SW2_OK JNB SW3,SW3_OK JNB SW4,SW4_OK JNB SW5,SW5_OKA JNB SW6,SW6_OKA JMP WAIT_KEYSW5_OKA: JMP SW5_OK SW6_OKA: JMP SW6_OKSW1_OK: MOV A,HOR CJNE A,#24,SW1_OVER MOV HOR,#00H SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KEYSW1_OVER:INC HOR ;时加 1 SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KEYSW2_OK: MOV A,HOR CJNE A,#00,SW2_OVER MOV HOR,#23 SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KEYSW2_OVER:DEC HOR ;时减 1 SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP JMP WAIT_KEYSW3_OK: MOV A,MIN CJNE A,#59,SW3_OVER MOV MIN,#00H SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KEYSW3_OVER:INC MIN ;分加 1 SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KEYSW4_OK: MOV A,MIN CJNE A,#00,SW4_OVER MOV MIN,#59 SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KEYSW4_OVER:DEC MIN ;分减 1 SETB F_BEEP CLR BEEP LCALL DEL SETB BEEP CLR F_BEEP JMP WAIT_KE...