key3.asm

基于凌阳单片机的简易语音数字频率计源码.实验了语音播报测量的频率,幅度值等.

.include spce061a.inc

.code
.public _key_init
_key_init:.proc
r1=[P_IOA_Data]
r1&=0xfff8;
[P_IOA_Dir]=r1
[P_IOA_Attrib]=r1
[P_IOA_Data]=r1
  retf
  .endp
.public _key_get
_key_get:.proc
r1=[P_IOA_Data]
r1&=0x0007
retf
.endp