1. 程式人生 > >IAR C語言嵌入彙編問題

IAR C語言嵌入彙編問題

多條語句的格式如下:
void QuickCopy(INT32U *addr, INT32U len, INT32U data)
{
__asm("STMFD SP!, { R4 - R11 }\n"
"ADD R1, R0,R1\n"
"MOVR4, R2\n"
"MOVR5, R2\n"
"MOVR6, R2\n"
"MOVR7, R2\n"
"MOVR8, R2\n"
"MOVR9, R2\n"
"MOVR10, R2\n"
"MOVR11, R2\n"
"LOOP:nop\n"
"STMIA R0!,{ R4 - R11 }\n"
"CMPR1,R0\n"
"BNELOOP\n"
"LDMIA SP!, { R4 - R11 }\n"
"BXLR\n");
}
注意 多行之間使用 換行符 \n 隔開,最後一個括號要有逗號,否則編譯出錯;