两个单片机的串行通信答:DATEQU 30HSCANLEDEQU 32HFSDATEQU 33HDSDAT EQU 34HORG 0000HLJMP MAINORG 000BHLJMP T0ISRORG 0030HMAIN:MOV SP,#5FHMOV TMOD,#21HMOV TH0,#HIGH(65536-10000)MOV TL0,#LOW(65536-10000)MOV TH1,#0FDHMOV TL1,#0FDHSETB TR1MOV SCON,#50HMOV P2,#00HMOV SCANLED,#0MOV 30H,#...