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QRZ! Ham Radio 8
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QRZ Ham Radio Callsign Database - Volume 8.iso
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b138a.asm
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Assembly Source File
|
1992-04-28
|
1KB
|
21 lines
; This program was originally published in the Motorola DSP96002 Users Manual
; and is provided under a DISCLAIMER OF WARRANTY available from Motorola DSP
; Operation, 6501 William Cannon Drive West, Austin, Texas 78735-8598. For
; more information, refer to the DSP96002 Users Manual, Appendix B, DSP
; Benchmarks.
;
; B.1.38.1 Pack Four Bytes Into a 32 Bit Word
;The following packs four 8 bit bytes into a single 32 bit word. The bytes to be packed are right justi-
;fied in four separate registers:
; d0 = xxxA d2 = xxxC
; d1 = xxxB d3 = xxxD
;
;
; Four 8 Bit Packs Program ICycles
; Words
joinb d0,d1 ;d1 = xxAB 1 1
joinb d2,d3 ;d3 = xxCD 1 1
join d1,d3 ;d3 = ABCD 1 1
; --- ---
; Totals: 3 3