目录
upz R
Z
1
Z = R ? 0 : 1
根据寄存器R的值,更新状态Z的值;
1 2 3 4
clr 0xB0 //[0xB0] = 0x00 upz 0xB0 //Z = 1 set 0xB0 //[0xB0] = 0xff upz 0xB0 //Z = 0