.equ __P24FJ64GA002,1        ;required "boiler-plate" (BP)
        .include "p24Fxxxx.inc"      ;BP

#include "xc.inc"                    ;BP
        ;the next two lines set up the actual chip for operation - required
        config __CONFIG2, POSCMOD_NONE & I2C1SEL_PRI & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSECME & FNOSC_FRCPLL & SOSCSEL_LPSOSC & WUTSEL_FST & IESO_OFF
        config __CONFIG1, FWDTEN_OFF & COE_OFF & BKBUG_OFF & GWRP_OFF & GCP_OFF & JTAGEN_OFF

    .align   2                  ;need this so that we have the next word at even address

    .text                       ;BP (put the following data in ROM(program memory))
    .global _main               ;BP
;because we are using the C compiler to assemble our code, we need a "_main" label
;somewhere. (There's a link step that looks for it.)
_main:
    bclr    CLKDIV,#8                 ;BP
    mov     #0xffff,w0
    mov     w0,LATB                   ;make all bits in LATB SFR 1
    mov     #3,w0
    mov     w0,TRISB                  ;make bits 15-2 of PORTB outputs (RB0 and RB1 remain inputs)
    mov     #0x9fff,w0
    mov     w0,AD1PCFG                ;PORTB will be digital, not analog!
    bset    TRISA,#0                  ;PORTA, bit 0, will be an input (safety first!)

    bset    CNPU1,#2                  ;turns on internal Pull UP on CN01 (RA0)
    .end