This is an intresting old topic I came across while using google:
http://news.spong.com/article/9303?cb=111
In short FF7 was coded on N64 to advanced sttages but was then ditched and brought out on PS1.So porting FF7 on the ds is possible.
http://news.spong.com/article/9303?cb=111
In short FF7 was coded on N64 to advanced sttages but was then ditched and brought out on PS1.So porting FF7 on the ds is possible.