?? sd.asm
字號:
//*************Default Clock Frequency 3.072MHz*************//
//**************circulation times=1536000*CT/n**************//
//**********CT=circulation time; n=number of "nop"**********//
// Watchdog Reset
.DEFINE P_Watchdog_Clear 0x7012;
.code
.PUBLIC _Delay5us;
_Delay5us:.PROC//Always use r3 for delay counting//
push r3 to [sp];
r3=2;//4
D5usCirculation:
nop;
nop;
r1=0000000000000001b;//Feed the dog
[P_Watchdog_Clear]=r1;
r3-=1;
jnz D5usCirculation;
pop r3 from [sp];
retf;
.ENDP
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