菜鸟求教：用keil编写ARM7，thumb的AND指令

[crystalyay]

测试thumb状态下0x5555 & 0xAAAA 的结果是否为0

void TestAnd(void)
{
_asm
{
// 测试代码怎么写？？
NOP
}
}

[inurlcn]

ldr r0,0x5555 ldr r1,0xaaaa and r2,r0,r1 cmp r2,0

[fly 100%]

ldr r0,=0x5555 ldr r1,=0xaaaa and r2,r0,r1 cmp r2,0 这样吧