说明: rc5 equ 2ah CCLK EQU P2.2 Csio1 equ p1.2 ;cpu card Crst1 equ p1.4 Cclk1 equ p1.5 cop_ok equ 000h ;constant status cbcc_err equ 0cah cop_err equ 0cdh cparity_err equ 0ceh ctime_out equ 0cfh sc_flag1 equ 2fh sc_flag2 equ 2eh timer1_h equ 2dh timer1_l
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