目录
bclr B
无
1
B = 0
将比特B清零;
1 2 3 4 5 6 7
dseg bit X cseg bset X //X = 1 bclr X //X = 0 ...
bclr R, p
R[p] = 0
将寄存器R的p位清零;
1 2
set 0x90 //[0x90] = 0xff bclr 0x90, 3 //[0x90] = 0xf7