家用机和街机又不是一个部门
再说Model系列那种军转民的设计根本不适合量产主机

引用:

原帖由 werety 于 2014-9-10 12:26 发表

就是说索尼谈的是技术，世嘉谈的是人情？
DC弃3dfx投本土的NEC据说也是因为人情。。。。。。
话说日本人谈生意一般都是在高尔夫球场吧，以前看过一些日本电影，男人回家太晚，老婆不满了，男人就说和XX部长打高球 ...

选择日立不选IBM才是人情
至于NEC的显卡，谈不上人情吧，NEC只是个牌子，DC显卡的技术是PowerVR提供的，PowerVR在当时有很多独有技术
别忘了NEC以前还是世嘉的竞争对手，因为PC-FX彻底失败才跑去搞DC的
土星的架构很失败，但是DC，如果使用美国那边IBM+Voodoo的技术，也不见得比日本的日立+PowerVR好

引用:

原帖由 werety 于 2014-9-10 21:54 发表

powerpc+voodoo只能与sh4+powerVR打平手？不能吧？

http://www.tomshardware.com/reviews/videologic-neon-250-review,131-9.html
http://www.tomshardware.com/reviews/videologic-neon-250-review,131-10.html

Neon 250的评测，DC那块比这个只强不弱
二者不同的地方：

* CLX had a bigger tile size
* CLX Had better support for palette textures
* CLX Had some custom fading tricks that were often in arcade systems
* CLX acted as the memory controller for the DC
* PVR250 had VGA/2D engine and a PCI interface.

http://www.vogons.org/viewtopic.php?t=23876

There is a lot of info over on Beyond3D about the old PowerVR hardware. There is at least one PowerVR engineer that hangs out there. The Neon 250 (PowerVR 250) and the DC (PowerVR CLX) are similar, but the DC has a number of significant advantages.

http://forum.beyond3d.com/showth ... t=dreamcast+neon250

[ 本帖最后由 Nemo_theCaptain 于 2014-9-11 00:33 编辑 ]