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MATRIX
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MATMUL1.ASM
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Assembly Source File
|
1989-01-24
|
2KB
|
58 lines
;
; This program originally available on the Motorola DSP bulletin board.
; It is provided under a DISCLAMER OF WARRANTY available from
; Motorola DSP Operation, 6501 Wm. Cannon Drive W., Austin, Tx., 78735.
;
; [1x3][3x3]=[1x3] Matrix Multiplication
;
; Last Update 04 Feb 87 Version 1.0
;
opt cex
page 132,66,0,0
;
; matrix multiply
;
;
org x:0
;
mat_a
dc .4 ;a(1,1)
dc .3 ;a(1,2)
dc -.6 ;a(1,3)
org y:0
mat_b
dc -.4 ;b(1,1)
dc .5 ;b(2,1)
dc .6 ;b(3,1)
dc .35 ;b(1,2)
dc -.3 ;b(2,2)
dc -.35 ;b(3,2)
dc .15 ;b(1,3)
dc .4 ;b(2,3)
dc .45 ;b(3,3)
mat_x ds 3
;
;
org p:$100
matmul move #mat_a,r0 ;point to A matrix
move #mat_b,r4 ;point to B matrix
move #2,m0 ;mod 3
move #mat_x,r1 ;output X matrix
;
move x:(r0)+,x0 y:(r4)+,y0
mpy x0,y0,a x:(r0)+,x0 y:(r4)+,y0
mac x0,y0,a x:(r0)+,x0 y:(r4)+,y0
macr x0,y0,a x:(r0)+,x0 y:(r4)+,y0
move a,y:(r1)+
mpy x0,y0,a x:(r0)+,x0 y:(r4)+,y0
mac x0,y0,a x:(r0)+,x0 y:(r4)+,y0
macr x0,y0,a x:(r0)+,x0 y:(r4)+,y0
move a,y:(r1)+
mpy x0,y0,a x:(r0)+,x0 y:(r4)+,y0
mac x0,y0,a x:(r0)+,x0 y:(r4)+,y0
macr x0,y0,a x:(r0)+,x0 y:(r4)+,y0
move a,y:(r1)+
end