汇编语言画圆,计算三角形水平边平方,●双字减法，入口参量：bx减数的低16位，cx减数的高16位，dx被减数高16位，ax被减数低16位-Assembly Language Circle, calculate the square side of the triangle level, ● double-word subtraction, import parameters: bx subtrahend the low 16, cx subtrahend high 16, dx minuend