campctf2023-chall-tis256

inst_jre.asm (659B)

tpu X0 Y0
	## ${ADDR_INST_JRE}

	mov UP, DOWN
	mov UP, NIL
	mov UP, ACC
	mov UP, NIL

	# read reg
	mov ${ADDR_GPR}, RIGHT
	mov ${ADDR_INST_JRE}, RIGHT
	mov ${MEM_OP_READ}, RIGHT
	mov ACC, RIGHT
	mov ${OP_NIL}, RIGHT

	# get ack
	mov UP, NIL
	mov UP, NIL
	mov UP, ACC
	mov UP, NIL

	# jump to rip
	mov ${ADDR_RIP}, RIGHT
	mov ${ADDR_INST_JRE}, RIGHT
	mov ${MEM_OP_WRITE}, RIGHT
	mov 0x00, RIGHT
	mov ACC, RIGHT

	# get ack
	mov UP, NIL
	mov UP, NIL
	mov UP, NIL
	mov UP, NIL

	# send ACK
	mov DOWN, RIGHT
	mov ${ADDR_INST_JRE}, RIGHT
	mov ${OP_ACK}, RIGHT
	mov ${OP_NIL}, RIGHT
	mov ${OP_NIL}, RIGHT
end

tpu X1 Y0
	mov LEFT, UP
end

tpu X0 Y1
	mov UP, UP
end