include "hwreg-p16f628.h"

// 16f628 config
//	enable internal oscillator	FOSC2,FOSC1,FOSC0 = 100
//	disable watchdog		WDT = 0
//	enable power up timer		PWRTE = 0
//	use MCLR as RA5			MCLRE = 0
//	disable brown-out detect	BODEN = 0
//	low voltage prog disabled	LVP = 0
//	data memory not protected	CPD = 1
//	code memory not protected	CP1,CP0,CP1,CP0 = 1111
//
// see section 14.1 of PIC16F26X ref manual
// microchip document name 40300b.pdf

pragma cpu_config 0x3F10

include "hd44780.bas"


//----------------------------------------------------------------------
//----------------------------------------------------------------------
proc main()

	byte	x, y, ch

	int	j

	// set PORTA to digital I/O instead of analog
	CMCON = 7

	hd44780_init()

	x = 0
	y = 0
	ch = 0

	while 1 do

		x += 1

		if x > 15 then
			x = 0
			y += 1

			if y > 1 then
				y = 0
			endif
		endif

		hd44780_set_pos(x, y)

		hd44780_putchar(ch)

		ch += 1

		for j=0 while j<100 step j+=1 do
			delay_m4clk 250
		done
	done

endproc


//----------------------------------------------------------------------
//----------------------------------------------------------------------
proc intserv()
endproc