[Coco] Clearing condition code register

[Robert Gault]

If you want regA preserved, then how about using regB. COMB and CLRB 
will produce the same results.

James Dessart wrote:

> 

> On 26-Mar-05, at 1:58 PM, Robert Gault wrote:

> 

>> It is very unusual that the CC register is completely cleared. 

>> Normally only some bits are cleared, the most frequent being the carry 

>> bit. Since  the carry bit is often used, CLRA and COMA are found in 

>> code for faster/shorter commands for altering CC bit0.

> 

> 

> That's actually what I wanted, it seems. :) Although I have to leave the 

> contents of A intact, I believe, so I may just want to AND with 0xFE...

> 

> James

> 

>