[Coco] Re: 68B09P - Datasheet?

[Kevin Diggs]

Hi,

jdaggett at gate.net wrote:
> The HC12 instruction set is more like that of the MC6809. There are 
> more instrtuctions in the HC12 but it has one less register than the 
> 6809. That is the U  pointer register. 
> 
> The HC12 is a good processor. The PICs offer better cost. 
> 
> james
> 

	Didn't they have to whack the U because they wanted to use its opcode 
encoding space to make PC relative addressing more flexible?

					kevin