#include "msp430.h"

        org     0x4400          ;* 
main:
//      DINT                    ;* disabilita gli interrupt
        MOV.W   #0x2400,SP      ;* INIZIALIZZA LO STACK POINTER

//;*** INIZIALIZZAZIONE REGISTRI OSCILLATORE **************
;*********** INIZIALIZZAZIONE I/O ***********************
        MOV.B   #00010000b,&P1OUT;* PORTA 1
        MOV.B   #00000000b,&P2OUT;* PORTA 2
        MOV.B   #00000000b,&P3OUT;* PORTA 3
        MOV.B   #00001100b,&P4OUT;* PORTA 4
        MOV.B	#00000000b,&P5OUT;* PORTA 5
        MOV.B   #00000000b,&P6OUT;* PORTA 6
        MOV.B   #00011111b,&P7OUT;* PORTA 7
        MOV.B   #00000000b,&P9OUT;* PORTA 9
        MOV.W   #00000000b,&PJOUT;* TUTTE LE USCITE AD OFF

        MOV.B   #11110000b,&P1DIR;* SP EGNE I DIGIT DEL DISPLAY CON
        MOV.B   #00001101b,&P2DIR;* TUTTE LE USCITE AD OFF
        MOV.B   #11111111b,&P3DIR;* TUTTE LE USCITE AD OFF
        MOV.B   #01111111b,&P4DIR;* TUTTE LE USCITE AD OFF
        MOV.B   #10000000b,&P5DIR;* TUTTE LE USCITE AD OFF
        MOV.B   #11111111b,&P6DIR;* TUTTE LE USCITE AD OFF
        MOV.B   #11111111b,&P7DIR;* TUTTE LE USCITE AD OFF
        MOV.B   #10001111b,&P9DIR;* TUTTE LE USCITE AD OFF
        MOV.W   #11110000b,&PJDIR;* TUTTE LE USCITE AD OFF
;*	MOV.W   #11110010b,&PJDIR;* /*PER AVERE L'MCLK SUL PIN TC1 PJ1OUT IN COMBINAZIONE CON PJSEL0*/

        MOV.B   #00001111b,&P1SEL0;* 4 A TO D
        MOV.B   #00001111b,&P1SEL1;* 4 A TO D
        MOV.B   #00000011b,&P2SEL0;* RS2332
        MOV.B   #00000000b,&P2SEL1;* RS2332
        MOV.B   #00000000b,&P3SEL0;*
        MOV.B   #00000000b,&P3SEL1
        MOV.B   #00000000b,&P4SEL0;* SPI
        MOV.B   #11110000b,&P4SEL1;* SPI
        MOV.B   #00000000b,&P5SEL0;*
        MOV.B   #00000000b,&P5SEL1;*
        MOV.B   #00000000b,&P6SEL0;*
        MOV.B   #00000000b,&P6SEL1;*
        MOV.B   #00000000b,&P7SEL0;*
        MOV.B   #00000000b,&P7SEL1;*
        MOV.B   #00000000b,&P9SEL0;*
        MOV.B   #00000000b,&P9SEL1;*
        MOV.W   #11110000b,&PJSEL0;*
;*      MOV.W   #11110010b,&PJSEL0;* /*PER AVERE L'MCLK SUL PIN TC1 PJ1OUT IN COMBINAZIONE CON PJDIR*/
        MOV.W   #00000000b,&PJSEL1;*

// ???  MOV.B   #11111111B,&P3REN;* PULL UP DOWN
        BIC.W   #LOCKLPM5,&PM5CTL0;* ATTIVA GLI I/O ALTRIMENTI SONO IN TRISTATE
        MOV.B   #00H,&P3OUT      ;* ???
        NOP
#define CS_OUT BIT5
        BIS.B   CS_OUT,&P1OUT
        NOP
        NOP
        BIC.B   CS_OUT,&P1OUT
OFF_COLONNE // ???
/******************************************************************************/
        MOV.W   #FRCTLPW+NWAITS1,&FRCTL0        /* WAIT STATES 1 */
        MOV.W   #WDTPW|WDTHOLD,&WDTCTL          // ???

clr_ramandreg:                  // ???
        MOV.W   #0x1C00,R14
        MOV.W   #0x2400,R15
loop:   MOV.W   #0,0(R14)
        ADD.W   #2,R14
        CMP.W   R14,R15
        JNZ     loop

        MOV.W   #0,R15          // ??? ...
        MOV.W   #0,R14
        MOV.W   #0,R13
        MOV.W   #0,R12
        MOV.W   #0,R11
        MOV.W   #0,R10
        MOV.W   #0,R9
        MOV.W   #0,R8
        MOV.W   #0,R7
        MOV.W   #0,R6
        MOV.W   #0,R5
        MOV.W   #0,R4           // ... ???

/********************* ATTIVAZIONE BASE TIMER **********************/
        MOV.W   #(TASSEL1+TACLR+MC__UP),&TA0CTL    ;SOURCE FROM SMCLK ;*UP MODE; IRQ DA OVERFLOW RIS.TIMER 2uS // ???
        MOV.W   #0xF000-1,&TA0CCR0              // ???
//      MOV.W   #(CCIE),&TA0CCTL0               // !!!

        MOV.W   #(TASSEL0+TACLR+MC__UP+ID0+ID1),&TA1CTL    ;SOURCE FROM ACLK / 8 ;*UP MODE; IRQ DA OVERFLOW RIS.TIMER 2uS // ???
        MOV.W   #0x1000-1,&TA1CCR0              // ???
//      MOV.W   #(CCIE),&TA1CCTL0               // !!!
/******************************************************************************************/
        MOV.W   #(REFVSEL0+REFVSEL1+REFGENOT+REFBGOT+REFON),&REFCTL0    /* 2,5 VOLT INTERNAL REFERENCE */ // !!!

        BIS.W   #(ADC12CONSEQ0+ADC12SHP),&ADC12CTL1                     /* SINGOLA CONVERSIONE DI SEQUENZA DI CANALI */
        BIS.W   #ADC12RES1,&ADC12CTL2
        BIS.W   #(ADC12TCMAP+ADC12BATMAP),&ADC12CTL3
        BIS.W   #(ADC12VRSEL0),&ADC12MCTL0
        BIS.W   #(ADC12VRSEL0+ADC12INCH0),&ADC12MCTL1
        BIS.W	#(ADC12VRSEL0+ADC12INCH1),&ADC12MCTL2
        BIS.W   #(ADC12VRSEL0+ADC12INCH0+ADC12INCH1+ADC12EOS),&ADC12MCTL3
        BIS.W   #(ADC12MSC+ADC12ON),&ADC12CTL0                          // !!! do this last
//      MOV.W   #00H,&ADC12IER0
//      BIS.W   #ADC12IE3,&ADC12IER0    /* ABILITA L'INTERRUPT DEL CANALE 3 */
/******************************************************************************************/
	
/******************************** LAMP TEST DEL DISPLAY ***************************************/

flip:   XOR.B   #BITx,&PyOUT            // !!! ??? !!! ??? !!! ??? flip LED lamp
wait:   BIT.W   #CCIFG,&TA0CCTL0
        JZ      wait
        BIC.W   #CCIFG,&TA0CCTL0
        JMP     flip
        NOP

        org     0xFFFE
        DW      main

        END