STC micro STC8A8K64D4 Series - Page 290

STC8A8K64D4 Series Manual
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JMP 006BH ; Borrow the entry address of the 13th interrupt
END
Assembly code
;Operating frequency for test is 11.0592MHz
P0M0 DATA 094H
P0M1 DATA 093H
P1M0 DATA 092H
P1M1 DATA 091H
P2M0 DATA 096H
P2M1 DATA 095H
P3M0 DATA 0B2H
P3M1 DATA 0B1H
P4M0 DATA 0B4H
P4M1 DATA 0B3H
P5M0 DATA 0CAH
P5M1 DATA 0C9H
P6M0 DATA 0CCH
P6M1 DATA 0CBH
P7M0 DATA 0E2H
P7M1 DATA 0E1H
P_SW2 DATA 0BAH
P2INTE XDATA 0FD02H
P2INTF XDATA 0FD12H
P2IM0 XDATA 0FD22H
P2IM1 XDATA 0FD32H
ORG 0000H
LJMP MAIN
ORG 013BH ;P2 interrupt entry address
P2INT_ISR:
PUSH ACC
PUSH B
PUSH DPL
PUSH DPH
PUSH P_SW2
MOV DPTR,#P2INTF
MOVX A,@DPTR
MOV B,A
CLR A
MOVX @DPTR,A
MOV A,B
CHECKP20:
JNB ACC.0,CHECKP21
NOP ;P2.0 interrupt
CHECKP21:
JNB ACC.1,CHECKP22
NOP ;P2.1 interrupt
CHECKP22:
JNB ACC.2,CHECKP23
NOP ;P2.2 interrupt
CHECKP23
JNB ACC.3,CHECKP24
NOP ;P2.3 interrupt
CHECKP24:
JNB ACC.4,CHECKP25
NOP ;P2.4 interrupt
CHECKP25:
JNB ACC.5,CHECKP26
NOP ;P2.5 interrupt