diff options
Diffstat (limited to 'electronics/asm/9.asm')
| -rw-r--r-- | electronics/asm/9.asm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/electronics/asm/9.asm b/electronics/asm/9.asm new file mode 100644 index 0000000..51e93e1 --- /dev/null +++ b/electronics/asm/9.asm @@ -0,0 +1,21 @@ +start: +init: + clrf PORTA ; make sure port A output latches are low + clrf PORTB ; make sure port B output latches are low + bsf STATUS,RP0 ; select memory bank 1 + movlw b'11111111' ; set port A data direction to inputs + movwf TRISA + movlw b'00000000' ; set port B data direction to outputs + movwf TRISB + bcf STATUS,RP0 ; select memory bank 0 + goto main +main: + movlw b'11111111' + movwf PORTB + call wait1000ms + call wait1000ms + movlw b'00000000' + movwf PORTB + call wait1000ms + goto main + ;END ; ends the program |