lab4c1.asm

一些在CCS上可以运行的初级DSP汇编程序

;**************
;* lab4c1.ASM  *  
;**************
        
        .title  "lab4c1.asm"

        .def    start
STACK   .usect  "STACK",100
                
        .bss    num,1
        .bss    den,1
        .bss    quot,1

        .data
table:  .word   4*32768/10
        .word   -8*32768/10 

        .text
start:  STM     #num,AR1
        RPT     #1
        MVPD    table,*AR1+
        LD      @den,16,A
        MPYA    @num
        ABS     A
        STH     A,@den
        LD      @num,16,A
        ABS     A
        RPT     #14
        SUBC    @den,A
        XC      1,BLT
        NEG     A
        STL     A,@quot
done:   B       done
	.end