Atari ST versus Amiga in pictures - Page 4

Bastich · 20 January 2017, 14:11

First Samari on the Amiga sounds better and scrolls smoother / better. Totally out classes the ST in the comparison video.

Dizzy however other than the ST music sounding more muffled (?) looks to run almost exactly the same.

kovacm · 24 January 2017, 00:26

Quote:

Originally Posted by Total Eclipse

The TT has the same 8-bit sound as the STe (2 channel), as well as the YM2149 that was found in the original ST.

...but could mix more tracks (at 50KHz) than STe...

Total Eclipse · 24 January 2017, 17:00

Quote:

Originally Posted by kovacm

...but could mix more tracks (at 50KHz) than STe...

Absolutely, but that all comes down to CPU horsepower. The actual audio hardware is the same in both machines.

masteries · 20 December 2020, 18:48

STE is capable of outperform the previous ST model:

[ Show youtube player ]

It is designed and running on a standard 8 MHz Atari STE with 4 MB RAM at 50 frames per second most of the time; (currently an obsolete demo).

Sound is entirely based on digital samples at 12.5 KHz, audio mixer is capable of 3 simultaneous voices. YM2149 is not used at all.

Colour is based on complementary dithering; using only 16 colours, but 2 frames with different pixel colour placement to create the illusion of many more colors via colour mixture, due to fast rendering (50 Hz). The effect do not work well when fps drops below 40

One of the key is the availability of 4 MB of "Chip" RAM and single pass blitter sprite drawing.

Retro1234 · 20 December 2020, 20:53

The porting of x68000 and Neo-Geo - the direct running of the game code on STE is Amazing.

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20 January 2017, 14:11	#61
Bastich Registered User Join Date: Jul 2011 Location: UK Posts: 341	First Samari on the Amiga sounds better and scrolls smoother / better. Totally out classes the ST in the comparison video. Dizzy however other than the ST music sounding more muffled (?) looks to run almost exactly the same.

20 December 2020, 18:48	#64
masteries Registered User Join Date: Oct 2020 Location: Madrid Age: 40 Posts: 196	STE is capable of outperform the previous ST model: [ Show youtube player ] It is designed and running on a standard 8 MHz Atari STE with 4 MB RAM at 50 frames per second most of the time; (currently an obsolete demo). Sound is entirely based on digital samples at 12.5 KHz, audio mixer is capable of 3 simultaneous voices. YM2149 is not used at all. Colour is based on complementary dithering; using only 16 colours, but 2 frames with different pixel colour placement to create the illusion of many more colors via colour mixture, due to fast rendering (50 Hz). The effect do not work well when fps drops below 40 One of the key is the availability of 4 MB of "Chip" RAM and single pass blitter sprite drawing.

20 December 2020, 20:53	#65
Retro1234 Phone Homer Join Date: Jun 2006 Location: 5150 Posts: 5,812	The porting of x68000 and Neo-Geo - the direct running of the game code on STE is Amazing.

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