2010-06-02 12:00:22 -06:00
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; This test checks the effect of the index looping registers (R8-R11)
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incdir "tests"
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include "dsp_base.inc"
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; First theories, fitting tests with nice masks in the loop registers
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; IR THEORY: if ((ar & lp) == lp) ar &= ~lp;
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; DR THEORY: if ((ar & lp) == 0) ar |= lp;
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; These were proven FALSE though by the following:
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; Tests done using AR1 = 0x0010, IX1 = 0
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; WR1 = 0
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; 10, 11, 11, 11, 11......
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; WR1 = 1
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; 10, 11, 10, 11, 10......
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; WR1 = 2
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; 10, 11, 12, 13, 11, 12, 13, 11, 12, 13 ......
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; WR1 = 3
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; 10, 11, 12, 13, 10, 11, 12, 13, 10, 11, 12, 13.......
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; WR1 = 4
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; 10, 11, 12, 13, 14, 15, 16, 17, 13, 14, 15, 16, 17, 13, 14, 15 ......
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; WR1 = 5
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; 10, 11, 12, 13, 14, 15, 16, 17, 12, 13, 14, 15 ...
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; WR1 = 6
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; 10, 11, 12, 13, 14, 15, 16, 17, 11, 12, 13, 14...
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; WR1 = 7
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; 10, 11, 12, 13, 14, 15, 16, 17, 10, 11, ....
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; WR1 = 8
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; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1a, 1b, 1c, 1d, 1e, 1f, 17, 18, 19, 1a, 1b.....
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; I really don't know how the above could possibly be efficiently implemented in hardware.
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; And thus it's tricky to implement in software too :p
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; test using indexing register 1 - 0 is used in send_back
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lri $AR1, #16
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lri $IX1, #32
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lri $WR1, #0
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #2
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #3
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #4
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #5
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #6
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #7
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $AR1, #16
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lri $WR1, #8
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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nx'ir : $AR1
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call send_back ; 1
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lri $WR1, #0xFFFF
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; We're done, DO NOT DELETE THIS LINE
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jmp end_of_test
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