debug.ini

这是《Keil Cx51 V7.0单片机高级语言编程与uVision2应用实践》教材各章中列出的全部程序例子。

/* 禁止T0的外部GATE信号 */
PORT3 &= ~0x04;

/* 定义产生10, 100, 1000, 10000μs 和5.0119660s脉冲按钮 */
define button "10 uSec Pulse" ,   "t0_gate (0.000010)"
define button "100 uSec Pulse" ,  "t0_gate (0.00010)"
define button "1 mSec Pulse" ,    "t0_gate (0.0010)"
define button "10 mSec Pulse" ,   "t0_gate (0.010)"
define button "5.011966 Sec Pulse" ,"t0_gate (5.0119660)"

/* 定义信号函数，利用swatch()内部涵数在INT0引脚上产生不同宽度的正脉冲 */
signal void t0_gate (float secs) {
  	PORT3 |= 0x04;
  	swatch (secs);
  	PORT3 &= ~0x04;
}