led.asm(2): error: A1163E: Unknown opcode Block, , expecting opcode or Macro 这个是什么原因啊

部署运行你感兴趣的模型镜像
IOPMOD EQU 0x3FF5000 	 ;定义IO口模式寄存器
IOPDATA EQU 0x3FF5008 	 ;定义IO口数据寄存器 
 IMPORT Main 

 AREA Init,CODE,READONLY 

 ENTRY 
 Main
 LDR R0, =0x3FF0000
 LDR R1, =0xE7FFFF80 	;配置SYSCFG,片内4Kcache,4KSRAM 
 STR R1, [R0] 
 LDR SP, =0x3FE1000 		;SP指向4KSRAM的尾地址,堆栈向下生成
 LDR R0, =0X3FF5000
 LDR R1, =0X000002A8 	;设置IO3,IO5,IO7,IO9为输出模式  
 STR R1,[R0] 	  
 BL Main 
 ;B.
 END 

下面出错问题
Build target 'Target 1'
assembling led.asm...
led.asm(6): error: A1163E: Unknown opcode Main , expecting opcode or Macro
Target not created

我来帮他解答
输入内容已经达到长度限制
 
 
 
 
 
 
 
 
 
 
 
问题原因
 
 
1.ARM汇编指令不支持顶格写,否则不能识别,指令前加上空格即可。

如果上面的不是,那么就是下面的情况了。

2. 声明变量时不要有空格。如下,nums前面不能有空格。
nums   dcd  1,5,3

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