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#121 |
Registered User
Join Date: Jan 2024
Location: Canada
Posts: 30
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Looks great!
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#122 |
This cat is no more
Join Date: Dec 2004
Location: FRANCE
Age: 52
Posts: 8,438
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uploaded a new version on itch. I really don't know about the stars issue. But I optimized several critical parts and it seems that it's slightly faster on slow machines (even if not 100% the original speed). But I'll let you judge.
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#123 |
Lemon Curry ?
Join Date: Sep 2004
Location: Denmark
Age: 49
Posts: 4,177
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WHDLoad and adf if run on A1200 has garbled graphics.
![]() A500 seems to be OK. |
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#124 |
This cat is no more
Join Date: Dec 2004
Location: FRANCE
Age: 52
Posts: 8,438
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Ok, sorry, bad update!! now fixed. Please tell me if the speed improves.
Last edited by jotd; 14 August 2024 at 23:39. |
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#125 |
PascalDe73
Join Date: Apr 2019
Location: Charleroi Belgium
Age: 51
Posts: 229
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Hi JOTD,
I made some tests (Latest Version 14/08/24 23:36) on my Real A500 & A1200... On my A500 WHDLoad & ADF is good about speed (It's perfactly playable) of course the gameplay is better on A1200... About stars issue, a little better then before... The problem seems to start on Level 2 & more but not specialy at the same time... About garbled graphics, i don't see anything about that |
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#126 |
This cat is no more
Join Date: Dec 2004
Location: FRANCE
Age: 52
Posts: 8,438
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good news! thanks for testing. It's great if it runs faster than before. I'll find the issue with the stars at some point. It looks like copper doesn't have enough DMA time to display sprites but I may talk nonsense too. The same routine is used for Galaxian and it works perfect so I don't understand.
There are no garbled graphics. It's the background stars (sprite dots) that behave oddly at times. Does that happen with WinUAE as well? Last edited by jotd; Yesterday at 00:00. |
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#127 | |
Registered User
Join Date: Jan 2020
Location: oslo/norway
Posts: 1,635
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Quote:
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#128 |
Registered User
Join Date: Dec 2016
Location: Italy
Posts: 792
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#129 |
This cat is no more
Join Date: Dec 2004
Location: FRANCE
Age: 52
Posts: 8,438
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Ok. I may rework the game graphics display completely, as it's not satisfactory that the game is not playable on A500 (all other games I ported can do that even if 25FPS).
A bit repetitive to explain people that Galaga is not Turrican, and I may not be as talented as the people behind it or Uridium or whatever. It may be old but uses a lot of objects at the same time. In particular, when the swarm is almost full and the enemies keep arriving, every object is moving, and it's very taxing for the blitter. Hardware sprites are used but probably not enough (multiplexing should be used to achieve better performance). I may do something about that in the future. |
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#130 |
Registered User
Join Date: Jan 2020
Location: oslo/norway
Posts: 1,635
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Thanks jotd. That would be much appreciated.
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#131 | |
PascalDe73
Join Date: Apr 2019
Location: Charleroi Belgium
Age: 51
Posts: 229
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Hi JOTD,
Thank you already for your work. You are very talented and the game is already very good as it is... I actually played it in ADF on my A500 @7Mhz and it's perfectly playable but obviously slower although I find that the slowness has clearly improved on this latest version. On another A500 ACA500Plus 68000 (@28mhz) it's more than very good too Above all, remember to leave a 68000 compatible version even if it means having 2 separate versions... it's not a few star problems that should make you redo everything. Once again a big thank you for all these adaptations of legendary games. Best regards, Pascal Quote:
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#132 |
This cat is no more
Join Date: Dec 2004
Location: FRANCE
Age: 52
Posts: 8,438
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Thanks. Maybe a simple sprite multiplexing could save the drawing of 6 or even 12 enemies... to be continued.
In the meantime can someone test a fix for the stars ? (in the zone) |
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#133 |
Registered User
Join Date: Dec 2016
Location: Italy
Posts: 792
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#134 |
Registered User
Join Date: Jan 2020
Location: oslo/norway
Posts: 1,635
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This is amazing jtod! Tried static and moving stars with latest build on my A4000/030@25 and could not find any glitches. Thanks
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#135 |
This cat is no more
Join Date: Dec 2004
Location: FRANCE
Age: 52
Posts: 8,438
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very good! I have to do some more changes, but that's good news.
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#136 |
Registered User
Join Date: Mar 2020
Location: UK
Posts: 257
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Tested the new one up to level 6 and no graphical issues noted anywhere on A1200/TF1260/OS 3.2.2.1. I did notice that the attract mode still freezes up the machine once the enemy deploys its tractor beam.
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