编写并调试一个通用的求y=a^2+b^2+c^2的程序，其功能为将RAM的10H 11H 12H单元的无符号二进制整数求平方和，并将结果放在R2内，溢出放在R3内-Write and debug a generic seek y = a ^ 2+b ^ 2+c ^2 of the program, its function will be RAM10H11H12H unit unsigned binary integers square, and will result in R2, overflow in R3