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Forums > Requests > Doom 128
2019-09-25 19:00
oziphantom

Registered: Oct 2014
Posts: 409
Doom 128

Does anybody know any more about this "demo" https://dinosaurspen.tumblr.com/post/109241926473/syntax-error-.. maybe having actually seen in the flesh to confirm its real?
 
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2019-09-26 09:15
Golara

Registered: Jan 2018
Posts: 206
I tried it once in vice and it was faster than even this gif. the c128 version is really fast
2019-09-26 09:23
oziphantom

Registered: Oct 2014
Posts: 409
the original OPs claims, of it being 15fps and making it look "full screen".

I would think it is running 2mhz in the entire dark grey area though not just the "borders". pha can be nice for streaming data into memory and using ZP relocation to have an unrolled read as
lda $02
pha
lda $03
pha
...
where you jmp to where you want and put an rts where you want stop, only eats 3 pages and for long enough runs gives solid boosts. I would think "draw texture"s of
lda #
pha
lda #
pha
and you can easily move the stack to draw anywhere would give a nice speed boost and keep memory costs down..
2019-09-26 10:55
Golara

Registered: Jan 2018
Posts: 206
I don't think there's a point of speculating what it is or how it works when the download is available on this very website and there's a lot of comments about this routine. See Krill's post
2019-09-26 10:58
Krill

Registered: Apr 2002
Posts: 1512
What Golara says. And yes, 2 MHz for some definition of "borders". Borders to the effect, in this case, which is the solid grey area outside the "business" area.
2019-09-26 20:34
JackAsser

Registered: Jun 2002
Posts: 1686
Krill is correct. Listen to Krill.
2019-09-27 10:55
ChristopherJam

Registered: Aug 2004
Posts: 1062
No one tell Lemon that JackAsser is behind both this and the EotB port, or they'll be demanding he merge the two projects ;-)
2019-09-27 11:02
Count Zero

Registered: Jan 2003
Posts: 1123
Great Idea, Chris!

Jackasser, ....
2019-09-27 11:38
JackAsser

Registered: Jun 2002
Posts: 1686
Quote: Great Idea, Chris!

Jackasser, ....


Bah! :D
2019-09-27 12:07
oziphantom

Registered: Oct 2014
Posts: 409
so Phantasy star then?
2019-09-27 21:09
Golara

Registered: Jan 2018
Posts: 206
More like heretic
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