[Coco] Thexder RGB vs Composite Mode.

Robert Gault robert.gault at att.net
Wed Dec 21 15:26:58 EST 2011


Mark Ormond wrote:
> Actually, what I meant is the cart is never selecting the composite colors. It always is selecting RGB regardless if I am holding clear when I power on or not.
>

I just tried changing the CMP colors and running the game in MESS. The CLEAR key 
was held down while MESS was started and/or Hard Started and MESS was set for 
CMP. The title screen was not changed (still using RGB colors) but the game 
itself now had almost the same colors as the game does in RGB mode.

It looks like the color set does not get changed until after the title screen is 
displayed which is a silly bug. That along with an incorrect palette set means 
the game must be patched for CMP monitors if you want the right colors.

Here are the RGB colors used in the game and the CMP values I think match. The 
values were obtained with visual comparisons while running MESS, so they may not 
be quite the same on a real Coco3. Again, you can't perfectly match all RGB 
colors with CMP colors.

RGB $	0	4	36	12	20	24	2d	27	1	2d	9	39	38	3c	39	3f
RGB T	0	4	54	18	32	36	45	39	1	45	9	57	56	60	57	63

CMP T	0	6	36	18	7	23	40	22	12	40	12	43	32	56	43	63
CMP $	0	6	24	12	7	17	28	16	c	28	c	2b	20	38	2b	3f



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