WinDLX 新手求助怎么写一个偶数求和的代码
对于WinDLX一无所知 也搜索了不少论团网站 不过毫无进展呀 求一个WinDLX代码的偶数求和代码 谢谢大家
回复 楼主 心中的十九
;*********** WINDLX Ex.3: Factorial *************;*********** (c) 1991 G黱ther Raidl *************
;*********** Modified: 1992 Maziar Khosravipour *************
;--------------------------------------------------------------------------
; Program begin at symbol main
; requires module INPUT
; read a number from stdin and calculate the factorial (type: double)
; the result is written to stdout
;--------------------------------------------------------------------------
.data
Prompt: .asciiz "An integer value >1 : "
PrintfFormat: .asciiz "Factorial = %gnn"
.align 2
PrintfPar: .word PrintfFormat
PrintfValue: .space 8
.text
.global main
main:
;*** Read value from stdin into R1
addi r1,r0,Prompt
jal InputUnsigned
;*** init values
;movi2fp f10,r1 ;R1 -> D0 D0..Count register
addi r5,r0,0
addi r7,r0,1 ;1 -> D2 D2..result
addi r9,r7,0
addi r2,r0,0
addi r8,r0,2
divu r3,r1,r8
addi r4,r0,2
addf f16,f17,f18;
addf f15,f19,f20;
loop:
seq r6,r5,r3
bnez r6,Finish
add r2,r2,r4
add r4,r4,r8
add r5,r5,r9
seq r6,r5,r3
bnez r6,Finish
add r2,r2,r4
add r4,r4,r8
add r5,r5,r9
seq r6,r5,r3
bnez r6,Finish
add r2,r2,r4
add r4,r4,r8
add r5,r5,r9
j loop
Finish: ;*** write result to stdout
movi2fp f11,r2
cvti2d f2,f11
sd PrintfValue,f2
addi r14,r0,PrintfPar
trap 5
;*** end
trap 0
