BUSY BIT 20H.0
FLAG BIT 20H.1
EVENFLAG BIT 20H.2
TXDATA EQU 21H
RXDATA EQU 22H
ORG 0000H
LJMP START
ORG 0003H
; 外部中断0
ORG 000BH
; T0中断
ORG 0013H
2021-12-25 20:27:41
556B
1