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Everything posted by Defender_2600
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Thinking about 7800 sprites in 160B mode, I have made this Double Dragon sprite as an example...
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Compared to 7800, the SMS puts more colors on screen at one time for the background (SMS 31 colors from 2 palettes vs 7800 25 colors) but for the sprites the SMS has only one 15 color palette while the 7800 can use any palette available. For example, with 7800 160B mode 24 colors on screen are available for the sprites (12 colors from 2 palettes + transparent / background) and a single sprite can have 12 colors or 24 colors with two overlapped sprites. As a side note, I also noticed that in some SMS games the sprites do not have transparency (see SMS Space Harrier). "...the SMS has a far, far more limited palette than the 7800 (or even 2600), it's only 6-bit RGB, probably a good bit worse than even the default 56 colors/shades on the NES. (the 7800 has 256 colos, or 16 hues with 16 luminance levels each like GTIA, double the luminance levels of TIA/CTIA)... ...the SMS uses 2 4-bit palettes from 6-bit RGB (64 colors) each with 15 colors (both applicable to the BG, only 1 usable for sprites) plus a solid BG color for a possible maximum of 31 colors on-screen (in both cases you'd have common cases of less than that due to practical limits of separate palettes, probably more so with the NES). Then there's the limits on how those colors are aplied to the tilemap and sprites: for the SMS you could have a fixed 15 color palette for sprites and the ability to select between the 2 palettes for each 8x8 BG tile... ...In any case, you'd be a hell of a lot closer than the SMS's 6-bit RGB... sure it can do 16 colors for any pixel on-screen without any tricks, but there's very few shades of any color... and even if you combined all useful yellowish/orange-ish/brownish shades, you'd probably only manage 6 or 7 colors and even then they'd look a bit off. (games that look best on the SMS tend to be stylized heavily for RGB colors)..." http://atariage.com/forums/topic/121299-nes-vs-7800/?p=2174853 http://atariage.com/forums/topic/221754-differences-between-atari-2600-and-atari-7800-sprite-colors/?p=2925976
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Congratulations - To All 100 PMP 30th Anniversary Cart Gift Winners!
Defender_2600 replied to Trebor's topic in Atari 7800
Thanks for the clarification. I asked myself if the cartridges were assembled but not sold. -
Congratulations - To All 100 PMP 30th Anniversary Cart Gift Winners!
Defender_2600 replied to Trebor's topic in Atari 7800
39. CANCELLED CANCEL CANCEL 56. CANCELLED CANCEL CANCEL 83. CANCELLED CANCEL CANCEL 97. CANCELLED CANCEL CANCEL ...maybe these are still available? -
Happy Birthday PacManPlus!!

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Each system has its strengths. For example, it is surprising that the Atari 8-bit computers (Introduced in 1979!) have a 256 color palette (as Atari 7800) while the Master System has only a 64 color palette. In any case, programmers and artists always make the difference.
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NES lies kind of in between 2600 and 7800, that makes sense! Seriously, both NES and 7800 are third generation systems. http://en.wikipedia.org/wiki/History_of_video_game_consoles_%28third_generation%29
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I do not know, people say that you have spent all your time talking with Tramiel about POKEY chip!
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Some people have seen that Perry was driving a DeLorean...and now I found this in my basement ... :P
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Donkey Kong XM/PK still leaves me speechless, its excellent quality is the result of a huge amount of work and love. Once again heartfelt thanks Perry and Robert, you have been fantastic. Marco
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Curt, best wishes for a successful operation and a healthy recovery. Please take care of yourself.
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Congratulations - To All 100 PMP 30th Anniversary Cart Gift Winners!
Defender_2600 replied to Trebor's topic in Atari 7800
Payment sent. Thank you CPUWiz, PacManPlus and Trebor!!! -
New videos thanks to DigThatBoxRETRO. http://www.youtube.com/watch?v=SHOrPFhITOY http://www.youtube.com/watch?v=GaIDrm4cZ8s
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The PacManPlus Sanctioned 30th Anniversary Cart! NO PM'S!
Defender_2600 replied to CPUWIZ's topic in Atari 7800
Looks like I missed it. I hope to have a second chance. -
Another 7800 Game to update like Donkey Kong XM?
Defender_2600 replied to swlovinist's topic in Atari 7800
..."again" is much appreciated Kevin. Excellent work! -
Thank you AtariAge and 7800 Community!! And thank you for your big heart Trebor.
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Atari's Landfill Adventures, I now have the proof it's true.
Defender_2600 replied to Spud's topic in Atari 2600
..the Alamogordo ET Atari dig with the Benny Hill Show Theme Tune? -
Atari's Landfill Adventures, I now have the proof it's true.
Defender_2600 replied to Spud's topic in Atari 2600
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Atari's Landfill Adventures, I now have the proof it's true.
Defender_2600 replied to Spud's topic in Atari 2600
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..but with arcade graphics, the gameplay would be compromised.
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I did this makeup during a short break. Technically impossible?
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Another 7800 Game to update like Donkey Kong XM?
Defender_2600 replied to swlovinist's topic in Atari 7800
Wow Kevin! And I really hope PAC-MAN-RED wants to share his awesome work: http://atariage.com/forums/topic/221322-rampage-licensed-by-me-to-a-coder/?p=2921365
