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© 1997-2006
Gareth Knight
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Resolutions

As a handy reference this table indicates the different scanrates, and screenmodes available. This table is based upon information from a wide range of sources, particularly articles written by Simon Goodwin.
The table is broken down into six headings.
Scanrate - Indicates differing standard screen sizes. NTSC is an American standard made up of 525 screen lines refreshed  at 30 times per second. PAL is a European standard that consists of 625 screen lines, refreshed 25 times per second.

Screenmode - Highlights the name of the resolution.

Resolution - The number of horizontal and vertical pixels that can be displayed on screen. The higher the resolution, the greater number of pixels there are and the better quality the picture.

Colour Range - The number of colours available. For example NTSC Low Res allows a range of colours from 32 to 4096 on screen at once.

Chipset - Indicates the Amiga chipset required to use this mode. "All" suggests that every Amiga is capable of displaying this mode, Enhanced refers to the ECS chipset, and AGA indicates AA-based Amigas such as the A1200 and A400

Genlock - A Genlock is used for video work, outputting to a video display. This indicates if the mode is compatible or not.
 

Scanrate Screenmode Resolution Colour Range Chipset Genlock
NTSC Low Res  320 x 200 32 - 4,096  All Yes 
Low Res Laced 320 x 400 32 - 4,096  All Yes
HAM  320 x 200 256,000 - 16 million All Yes
HAM Laced 320 x 400 256,000 - 16 million All Yes
Extra Halfbrite 320 x 200 64 - 16 million All Yes 
Extra Halfbrite Laced 320 x 400 64 - 16 million  All Yes
High Res 640 x 200  16 - 4,096  All Yes 
High Res Laced  640 x 400  16 - 4,096  All Yes 
Super-High Res  1280 x 200  4 - 64  Enhanced  Yes
Super-High Res Laced 1280 x 400  4 - 64  Enhanced  Yes 
PAL Low Res 320 x 256 32 - 4,096 All Yes 
Low Res Laced  320 x 512 32 - 4,096 All Yes 
HAM  320 x 256 256,000 -16 million All Yes
HAM Laced  320 x 512 256,000 -16 million All Yes
Extra Halfbrite 320 x 256 64 - 16 million  All Yes 
Extra Halfbrite Laced 320 x 512  64 - 16 million All Yes 
High Res  640 x 256 16 - 4,096 All Yes
High Res Laced 640 x 512  16 - 4,096  All Yes 
Super-High Res  1280 x 256  4 - 64  Enhanced Yes 
Super-High Res Laced 1280 x 512  4 - 64  Enhanced Yes 
MultiScan Productivity  640 x 480 4 - 64 Enhanced No 
Productivity Laced  640 x 960 4 - 64  Enhanced No 
A2024 10 Hz  1024 x 800 4 - 64 Enhanced No
15 Hz  1024 x 800  4 - 64 Enhanced No 
Euro36 Low Res 320 x 200 32 - 4,096  Enhanced No 
Low Res Laced  320 x 400 32 - 4,096 Enhanced No 
High Res 640 x 200  16 - 4,096  Enhanced No 
High Res Laced  640 x 400  16 - 4,096 Enhanced  No 
Super-High Res 1280 x 200 4 - 64 Enhanced  No
Super-High Res Laced  1280 x 400  4 - 64  Enhanced No 
Euro72 Productivity 640 x 400  4 - 64  Enhanced No 
Productivity Laced  640 x 800 4 - 64  Enhanced No 
Super72 High Res 400 x 300 16 - 4,096 Enhanced No
High Res Laced 400 x 600  16 - 4,096 Enhanced No
Super-High Res 800 x 300 4 - 64 Enhanced No
Super-High Res Laced 800 x 600 4 - 64 Enhanced No 
DBLNTSC Low Res 320 x 200 256 -16 million AGA No 
Low Res Laced 320 x 800  256 -16 million  AGA  No 
Low Res Laced No Flicker 320 x 400 256 -16 million AGA  No 
High Res  640 x 200 256-16 million AGA  No
High Res Laced  640 x 800 256-16 million AGA No 
High Res Laced No Flicker  640 x 400 256-16 million  AGA  No 
DBLPAL Low Res 320 x 256 256-16 million  AGA  No
Low Res Laced  320 x 1024 256-16 million  AGA  No
Low Res Laced No Flicker  320 x 512 256 - 16 million AGA  No 
High Res 640 x 256 256-16 million  AGA  No 
High Res Laced  640 x 1024 256-16 million AGA  No 
High Res Laced No Flicker 640 x 512 256-16 million  AGA  No

Scanrate - The screen quality improves as the number of Hertz increases.

  • NTSC : 60 Hz, 15.72 Khz
  • PAL : 50 Hz, 15.60 Khz
  • Multiscan : 60 Hz, 31.44 Khz
  • A2024 : 50 Hz, 15.60 Khz
  • Euro36 : 73 Hz, 15.76 Khz
  • Euro72 : 70 Hz, 31.43 Khz
  • Super72 : 72 Hz, 24.62 Khz
  • DBLNTSC : 59 Hz, 29.2 Khz
  • DBLPAL : 50 Hz, 29.45 Khz

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