目录
dsz R
R = R - 1 if R == 0 then skip end
将寄存器R减1,结果存回到寄存器R,同时判断结果,结果为0则跳过下一条指令;
dsz A, R
A = R - 1 if A == 0 then skip end
将寄存器R减1,结果存储到累加器A,同时判断结果,如果为0则跳过下一条指令;