[Coco] Wolfenstein 3-D on a 4.77mhz 8088? So, 6809 port, anyone?

Allen Huffman alsplace at pobox.com
Wed Apr 24 00:39:36 EDT 2013


On Apr 23, 2013, at 11:40 PM, Steve Bjork <6809er at srbsoftware.com> wrote:

> The 6809 is only has an 8-bit ALU but the 8088 has 16-bit ALU. Math is more limited on the 6809 because the lack of the DIV instruction.  The 8088 also had block memory move instructions. Add the fact that most IBM system came with hardware DMA for fast memory moves, the CoCo just can't keep up.

Well heck. So there was something the 8088s could do. I used to run CoCo BASIC versus the same thing on DOS BASIC when I worked at Radio Shack (88-90), and it took the 286 model Tandy 1000s to be faster than the CoCo 3.

Okay, we can stick to Z80 stuff like Donkey Kong.
-
Allen Huffman - PO Box 22031 - Clive IA 50325 - 515-999-0227 (vmail/TXT only)
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