include print: "./lib/io/print.dsa"

dw idt: 0xFFFF0000
dw stack: 0x10000
init:
	// setup interrupt handlers
	ldw idt, idr
	lwi handle_hard_fault, rg0
	stw rg0, idr, 4
	// set up a stack.
	ldw stack, bpr
	mov bpr, spr


db string: "I won,  the game!"
db hexbyte: 0xab
dw hexword: 0x1234abcd
db replace: "I lost"

start:
	// test print string
	lwi string, rg0
	push rg0
	call print::print
	pop zero

	// test print hex byte.
	ldb hexbyte, rg0
	push rg0
	call print::print_hex_byte
	pop zero

	// test print hex word.
	ldw hexword, rg0
	push rg0
	call print::print_hex_word
	pop zero

	// test print char
	lli 0x40, rg0 // print @
	push rg0
	call print::print_byte
	pop zero

	// test newline
	call print::print_newline

	lwi string rg0
	push rg0
	call print::print

	// test print word
	lwi 0x31323334, rg0 // print 1234
	push rg0
	call print::print_word
	pop zero

	// test reset cursor pos
	call print::reset

	// test print string at reset pos
	lwi replace, rg0
	push rg0
	call print::print
	pop zero

	hlt



// fault handler in case we fail DSA.
dw hard_fault_err: "FATAL: Illegal Instruction or Memory Access!"
handle_hard_fault:
	call print::clear
	call print::reset
	lwi hard_fault_err, rg0
	push rg0
	call print::print
	pop zero
	hlt