SNOW BROS Copperlist&Blit

LeCaravage · 26 March 2018, 21:32

Hi,
Was walking in the code of Snow Bros and at the end of the copperlist he makes :

Code:

dc.w $009c,$8800

What does it means ? "Serial port receive buffer full"

Also, the blitting code is strange, there's no Blitwaits between Bobs pokes. May I'm mistaken ?

Galahad/FLT · 26 March 2018, 23:13

Quote:

Originally Posted by LeCaravage

Hi,
Was walking in the code of Snow Bros and at the end of the copperlist he makes :

Code:

dc.w $009c,$8800

What does it means ? "Serial port receive buffer full"

Also, the blitting code is strange, there's no Blitwaits between Bobs pokes. May I'm mistaken ?

Snow Bros was written for 68000, hence the lack of blit waits

LeCaravage · 26 March 2018, 23:42

Oh, ok.
I thought the game was patched for other Amigas (>68000) by Flashtro before release.

Galahad/FLT · 27 March 2018, 03:46

Quote:

Originally Posted by LeCaravage

Oh, ok.
I thought the game was patched for other Amigas (>68000) by Flashtro before release.

No they only crack and train.

For my first release I did fix the blit waits, but one of them was wrong and caused issues, so I removed them, logically, few people would choose to play from floppy if they had an A1200, whdload is now free.

ross · 27 March 2018, 10:38

Quote:

Originally Posted by LeCaravage

Code:

dc.w $009c,$8800

Used to trigger a Lev5 IRQ.

LeCaravage · 04 April 2018, 20:23

Quote:

Originally Posted by ross

Used to trigger a Lev5 IRQ.

Ok, at last, I understand. First I thought it was an hardware IRQ only, triggered when the serial buffer was full...

Thanks for help

StingRay · 04 April 2018, 21:32

Quote:

Originally Posted by Galahad/FLT

No they only crack and train.

Not entirely true. It depends on who creates the release, those I made for Flashtro were all 680x0/AGA fixed and trained.

Galahad/FLT · 04 April 2018, 21:37

Quote:

Originally Posted by StingRay

Not entirely true. It depends on who creates the release, those I made for Flashtro were all 680x0/AGA fixed and trained.

I was referring to Musashi, he is Flashtro, everyone is a guest as far as i'm aware.

26 March 2018, 21:32	#1
LeCaravage Registered User Join Date: May 2017 Location: AmigaLand Posts: 456	SNOW BROS Copperlist&Blit Hi, Was walking in the code of Snow Bros and at the end of the copperlist he makes : Code: dc.w $009c,$8800 What does it means ? "Serial port receive buffer full" Also, the blitting code is strange, there's no Blitwaits between Bobs pokes. May I'm mistaken ?

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26 March 2018, 23:42	#3
LeCaravage Registered User Join Date: May 2017 Location: AmigaLand Posts: 456	Oh, ok. I thought the game was patched for other Amigas (>68000) by Flashtro before release.

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