Path: utzoo!utgpu!attcan!uunet!lll-winken!snll-arpagw!paolucci From: paolucci@snll-arpagw.UUCP (Sam Paolucci) Newsgroups: comp.sys.amiga Subject: Re: graphics chips ideas Message-ID: <210@snll-arpagw.UUCP> Date: 15 Aug 88 00:05:28 GMT References: <0Wz-V=Au8k-083IFce@andrew.cmu.edu> <1515@pembina.UUCP> <208@snll-arpagw.UUCP> <2460@sugar.uu.net> Reply-To: paolucci@snll-arpagw.UUCP (Sam Paolucci) Organization: Sandia National Labs, Livermore Lines: 31 In article <2460@sugar.uu.net> peter@sugar.uu.net (Peter da Silva) writes: >In article ... paolucci@snll-arpagw.UUCP (Sam Paolucci) writes: >> Having the capability of opening up transparent windows (and >> transparent screens) would allow one to write a terminal program that >> fully emulated some of the Tektronix 4100 and 4200 series terminal >> which use two screens, one for graphics and one for alphanumeric >> communication. > >Transparent screens are not possible with the current hardware architecture. > >Transparent windows are not necessary for this. Just open up one window in >a DualPlayfield screen, and forge a couple of rastports: one to the top >playfield (1 bit deep) and one to the bottom playfield (3 bits deep). This >gives you 1 color text on top of 8 color graphics. Unfortunately that will not do to get full emulation. Especially for the Tek 4200 series where >8 colors are necessary. -+= SAM =+- (FILLER) (FILLER) (FILLER) (FILLER) (FILLER) -- -+= SAM =+- "the best things in life are free" ARPA: paolucci@snll-arpagw.llnl.gov