STC micro STC8A8K64D4 Series - Page 289

STC8A8K64D4 Series Manual
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}
//Because the interrupt vector is greater than 31, it cannot be directly compiled in KEIL
//The 13th interrupt entry address must be borrowed
void common_isr() interrupt 13
{
unsigned char psw2_st;
unsigned char intf;
psw2_st = P_SW2;
P_SW2 |= 0x80;
intf = P2INTF;
if (intf)
{
P2INTF = 0x00;
if (intf & 0x01)
{
//P2.0 interrupt
}
if (intf & 0x02)
{
//P2.1 interrupt
}
if (intf & 0x04)
{
//P2.2 interrupt
}
if (intf & 0x08)
{
//P0.3 interrupt
}
if (intf & 0x10)
{
//P2.4 interrupt
}
if (intf & 0x20)
{
//P2.5 interrupt
}
if (intf & 0x40)
{
//P2.6 interrupt
}
if (intf & 0x80)
{
//P2.7 interrupt
}
}
P_SW2 = psw2_st;
}
// ISR.ASM
// Save the following code as ISP.ASM, and then add the file to the project
CSEG AT 013BH ;P2 interrupt entry address
JMP P2INT_ISR
P2INT_ISR: