int1_r.dt

来自「台湾义隆（EM78P222N）,DATASHEET.」· DT 代码 · 共 53 行

;Defined register(BANK0)
WUCR      == 0XE 
ISR       == 0XF
;Defined register(BANK1) 
IOC5      == 0X5
IOC6      == 0X6
IOC7      == 0X7
IOC8      == 0X8
COMCON    == 0XA
IMR       == 0XF
;         
          ORG      0X0
          NOP
          JMP      RESET              ;Power on reset
          ;
          ORG      0X8
          NOP
          JMP      INT1_R             ;Interruplt vector
          ;
INT1_R:
          BANK     0
          BC       WUCR, 7            ;Clear INT1IF
          RETI
          ;                 
          ORG      0X50
RESET:
          NOP
          CALL     INIT_222_DEVICE    ;Initial CHIP    
          NOP
          ENI                         ;Enable interrupt
MAIN:
          NOP
          JMP      $
          ;
INIT_222_DEVICE:
          BANK     1
          MOV      A, @0
          MOV      IOC5, A            ; Set  PORT5 as output
          MOV      IOC6, A            ; Set  PORT6 as output
          MOV      IOC8, A            ; Set  PORT8 as output
          MOV      A, @0X02
          MOV      IOC7, A            ; Set P7.1 as input      
          BS       COMCON, 7          ;SET P71 AS INT1          
          MOV      A, @4
          MOV      IMR, A             ;Enable EXIE
          MOV      A, @0X40           ;
          CONTW
          BANK     0
          CLR      ISR                ; Clear interrulpt flag
          RET
          ;
          END