lab4c2.asm

来自「一些在CCS上可以运行的初级DSP汇编程序」· 汇编 代码 · 共 34 行

;**************
;* lab4c2.ASM  *  
;**************
        
        .title "lab4c2.asm"

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

        .data
table:  .word  66*32768/100
        .word  -33*32768/100

        .text
start:  STM     #num,AR1
        RPT     #1
        MVPD    table,*AR1+
        LD      @den,16,A
        MPYA    @num
        ABS     A
        STH     A,@den
        LD      @num,A
        ABS     A
        RPT     #15
        SUBC    @den,A
        XC      1,BLT
        NEG     A
        STL     A,@quot
done:   B       done
	.end