STC micro STC8A8K64D4 Series - Port3 High Level Interrupt

STC8A8K64D4 Series Manual
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CHECKP26:
JNB ACC.6,CHECKP27
NOP ;P2.6 interrupt
CHECKP27:
JNB ACC.7,P2ISREXIT
NOP ;P2.7 interrupt
P2ISREXIT:
POP P_SW2
POP DPH
POP DPL
POP B
POP ACC
RETI
ORG 0200H
MAIN:
MOV SP, #5FH
MOV P0M0,#00H
MOV P0M1,#00H
MOV P1M0,#00H
MOV P1M1,#00H
MOV P2M0,#00H
MOV P2M1,#00H
MOV P3M0,#00H
MOV P3M1,#00H
ORL P_SW2,#80H
CLR A
MOV DPTR,# P2IM0 ; low level interrupt
MOVX @DPTR,A
MOV DPTR,# P2IM1
MOVX @DPTR,A
MOV DPTR,# P2INTE
MOV A,#0FFH
MOVX @DPTR,A ;enable P2 interrupt
ANL P_SW2,#7FH
SETB EA
JMP $
END
12.2.4 Port3 high level interrupt
C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
sfr P0M0 = 0x94;
sfr P0M1 = 0x93;
sfr P1M0 = 0x92;
sfr P1M1 = 0x91;
sfr P2M0 = 0x96;
sfr P2M1 = 0x95;
sfr P3M0 = 0xb2;
sfr P3M1 = 0xb1;
sfr P4M0 = 0xb4;
sfr P4M1 = 0xb3;
sfr P5M0 = 0xca;
sfr P5M1 = 0xc9;