; -------------------------------------------------
; Constants
; -------------------------------------------------

; Chip register
cpu_revision:	equ		0x00	; RO
cpu_control:	equ		0x01	; R/W
cpu_status:		equ		0x02	; RO
cpu_int_ctrl:	equ		0x03	; R/W

; -------------------------------------------------
; Program
; -------------------------------------------------
				code
reset:			jmp		init
		
				org		0x001
;				nop
				reti
				
; -------------------------------------------------
; Main
; -------------------------------------------------
init:			mov		R0, 0x05
				cout	(cpu_int_ctrl), R0
				mov		R0, 0x00
loop:			nop
				inc		R0
				nop
				call	subr
				nop
				push	R3
				nop
				push	R2
				nop
				push	R1
				nop
				push	R0
				nop
				pop		R0
				nop
				pop		R1
				nop
				pop		R2
				nop
				pop		R3
				nop
				jmp		loop

subr:			ret