; c_fft_given_iirc.asm
; Designed for use in lab4b for ECE420



      .ARMS_off                     ;enable assembler for ARMS=0
      .CPL_on                       ;enable assembler for CPL=1
      .mmregs                       ;enable mem mapped register names

	.global _bit_rev_data
	.global _fft_data
	.global _state
	.global _scale
	.global _coef

	.copy "macro.asm"

	.sect ".data"

N	.set 1024


	.align 4*N
_bit_rev_data .space 16*2*N

	.align 4*N
_fft_data .space 16*2*N


; IIR filter
	.align 4
_coef
	.word	0
	.word	0
	.word	0
	.word	-13421

_state
	.space 16*4

_scale
	.word	19345

	.sect ".text"