Hold-And-Modify 8 (HAM-8)
E747118
Hold-And-Modify 8 (HAM-8) is an advanced Amiga graphics display mode that enables high-color, photo-like images by allowing per-pixel modification of color components within a limited palette.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Hold-And-Modify 8 | 0 |
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Amiga graphics display mode
ⓘ
HAM display mode ⓘ |
| advantage |
high apparent color depth from limited palette
ⓘ
photo-realistic display on Amiga hardware ⓘ |
| alsoKnownAs |
HAM-8
NERFINISHED
ⓘ
HAM8 NERFINISHED ⓘ |
| bitDepth | 8-bit pixel data ⓘ |
| colorEncoding | hold-and-modify ⓘ |
| colorResolution | 18-bit RGB ⓘ |
| compatibleWith | AGA-based Amiga models ⓘ |
| controlBitsFunction | select modify or direct color index ⓘ |
| designedFor | advanced Amiga graphics applications ⓘ |
| displayType | indexed color with component modification ⓘ |
| generation | second-generation HAM mode ⓘ |
| introducedIn | Amiga AGA chipset NERFINISHED ⓘ |
| limitation |
color fringing artifacts on sharp edges
ⓘ
complexity of pixel editing ⓘ |
| maxDisplayableColors | 262144 colors ⓘ |
| numberOfBitplanes | 8 ⓘ |
| operatesOn | per-pixel color values ⓘ |
| paletteSize | 64 base colors ⓘ |
| platform | Amiga NERFINISHED ⓘ |
| predecessor |
HAM-6
NERFINISHED
ⓘ
Hold-And-Modify 6 NERFINISHED ⓘ |
| relatedConcept |
bitplane graphics
ⓘ
indexed color ⓘ |
| requiresChipset | AGA NERFINISHED ⓘ |
| successorTo | original Amiga HAM mode ⓘ |
| supportsPerPixelModificationOf |
blue component
GENERATED
ⓘ
color components GENERATED ⓘ green component GENERATED ⓘ red component GENERATED ⓘ |
| typicalUse |
digitized pictures
ⓘ
high-color graphics ⓘ photo-like images ⓘ |
| usedIn |
Amiga demos
ⓘ
Amiga games NERFINISHED ⓘ Amiga graphics software ⓘ |
| usesBitplanes | yes ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.