1993, Commodore Internationalcanceled the development of the AAA chipsetand began to design a new 64 bit multimediasystem with 3D graphics chipsetincluding fully RISCarchitecture that would once again bring the Amigaback into the limelight. It was to be known as 'Hombre' multimediasystem and would be developed in conjunction with Hewlett-Packardover an estimated 18 month period Hombre(pronounced ómbre which means man in Spanish) was based around two chips the first one (designed by Dr. Ed Hepler, Designer of AAA Andrea chip) is a System Controller chip similar in principle to the Chip Bus Controller found in Agnus, Alice, and Andrea of classic Amiga Chipset. This chip featured an advanced DMA engine and blitterwith 3D texture mappingplus gouraud shadingand a 16-bit resolution sound processor with eight voices as well as a PA-RISCprocessor (PA-7150) at 125 MHz clock cycle. The other chip (designed by Tim McDonald, Designer of AAA Monica chip) is a Display Controller chip like Denise, Lisa, and Monica found on "Classic Amigas". The chipset also supported future official or third party upgrades through extension for an external PA-RISCprocessor. These chips and some other circuitry would be part of a PCIcard (through ReTargetable graphics system) also Hombre was to form the basis of Amiga CD32type game console that was to be launched in 1995competing with Sony's Playstationand Sega Saturn.
There were plans to port
AmigaOSExec kernel to low-end systems but this was not possible due to financial troubles facing Commodore at that time. However, a licenced OpenGLlibrary was to be used for the low-end entertainment system.
PA-RISC7150 over MIPS R3000 RISC CPUand first generations embedded PowerPCs (which lacks MMU) because these low cost CPUs were unqualified to run Windows NT, this wasn't the case for the 64-bitMIPS R4200 this one was powerful enough to run Windows NTbut was rejected for its high price at the time which was not suitable for a low end machine. The original plan was simply to have Windows NTcompatibility until native AmigaOSrecompiled for the new big-endian CPUto run 68k AmigaOSlegacy software through emulation. Hombre was designed with a clean break from traditional Amiga chipsetarchitecture with no planar graphics modes only 32 bit(24-bit with 8-bit alpha channel) and 16-bit chunkygraphic modes was supported with 1280 x 1024 resolution in 16.8 million colors, additionally It can display 4 playfields at 16 bit graphics mode each. However Hombre has an indirect 8-bit (256 colors) chunky mode which could be chosen from 24-bit CLUT. standard TVcompatibility and HDTVwas also to be included in Hombre.
The chipset can use
64-bit DRAMfor high resolution PCIgraphics card , with minimal peripherals ASICs and DRAMa low end multimedia computer (like the successful A1200) could be built.
for an entertainment system Hombre could have a cheap
32-bit DRAMfor a lower cost CD-ROMgame system (possibly CD64), it could also be used for Set-Top-Boxembedded systems.
According to Dr. Ed Hepler Hombre was to be fabricated in 0.6 µm 3-level metal
CMOSwith the help of HP(which fabricated AGA Lisa chip and collaborated in AAA chipsetdesigning).However Commodore were planning to adopt Acutiator advanced architecture designed by Dave Hayniefor Hombre before it went out of business and bankrupt.
* [http://www.amigahistory.co.uk/21helper.txt Description of Hombre chipset by Ed Hepler during an interview]
* [http://www.amigahistory.co.uk/hombre.html Hombre- The last Commodore custom chipset]
* [http://www.thule.no/haynie/ The Dave Haynie Archive with lots of detailed info & specs]
* [http://www.amigahistory.co.uk/amigartg.html Amiga ReTargetable Graphics]
* [http://www.amigahistory.co.uk/acutiator.html ACUTIATOR]
* [http://www.amigahistory.co.uk/homcon.html CD64: Hombre CD32-style console]
* [http://www.amigahistory.co.uk/ludwig.html Chris Ludwig Interview- Conducted by Amiga News, 1995]
* [http://www.amigahistory.co.uk/haynie3drisc.html CBM's Plans for the RISC-Chipset By: Dave Haynie]
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