1.汇编调用c函数的参数传递规则
2.以下代码为何出错
void delay(unsigned char x);
void main()
{
while(1)
{
#asm
MOV a,50
CALL _delay
#endasm
}
}
void delay(unsigned char x)
{
while(x--);
}
编译中...
HI-TECH C COMPILER (Holtek MCU) V9.10PL6
Copyright (C) 1984-2006 HI-TECH SOFTWARE
licensed for evaluation purposes only
this licence will expire on Tue, 04 Dec 2007
: 0: (800) undefined symbol "_delay"
Compilation failed - error code 1 |
|
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