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- Amiga Contiguous Bitmap form
-
- IFF FORM / CHUNK DESCRIPTION
- ============================
-
- Form/Chunk ID: FORM ACBM (Amiga Contiguous BitMap)
- Chunk ABIT (Amiga BITplanes)
-
- Date Submitted: 05/29/86
- Submitted by: Carolyn Scheppner CBM
-
-
- FORM
- ====
-
- FORM ID: ACBM (Amiga Contiguous BitMap)
-
- FORM Description:
-
- FORM ACBM has the same format as FORM ILBM except the normal BODY
- chunk (InterLeaved BitMap) is replaced by an ABIT chunk (Amiga BITplanes).
-
- FORM Purpose:
-
- To enable faster loading/saving of screens, especially from Basic,
- while retaining the flexibility and portability of IFF format files.
-
-
- CHUNKS
- ======
-
- Chunk ID: ABIT (Amiga BITplanes)
-
- Chunk Description:
-
- The ABIT chunk contains contiguous bitplane data. The chunk contains
- sequential data for bitplane 0 through bitplane n.
-
- Chunk Purpose:
-
- To enable loading/storing of bitmaps with one DOS Read/Write per
- bitplane. Significant speed increases are realized when loading/saving
- screens from Basic.
-
-
- SUPPORTING SOFTWARE
- ===================
-
- (Public Domain, available soon via Fish PD disk, various networks)
-
- LoadILBM-SaveACBM (AmigaBasic)
- Loads and displays an IFF ILBM pic file (Graphicraft, DPaint, Images).
- Optionally saves the screen in ACBM format.
-
- LoadACBM (AmigaBasic)
- Loads and display an ACBM format pic file.
-
- SaveILBM (AmigaBasic)
- Saves a demo screen as an ILBM pic file which can be loaded into
- Graphicraft, DPaint, Images.
-
-
-
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