STC micro STC8A8K64D4 Series - Page 282

STC8A8K64D4 Series Manual
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P0INT_ISR:
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
P0INTE XDATA 0FD00H
P0INTF XDATA 0FD10H
P0IM0 XDATA 0FD20H
P0IM1 XDATA 0FD30H
ORG 0000H
LJMP MAIN
ORG 012BH ;P0 interrupt entry address
P0INT_ISR:
PUSH ACC
PUSH B
PUSH DPL
PUSH DPH
PUSH P_SW2
MOV DPTR,#P0INTF
MOVX A,@DPTR
MOV B,A
CLR A
MOVX @DPTR,A
MOV A,B
CHECKP00:
JNB ACC.0,CHECKP01
NOP ;P0.0 interrupt
CHECKP01:
JNB ACC.1,CHECKP02
NOP ;P0.1 interrupt
CHECKP02: