COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	Internal picture array format
C00004 ENDMK
C⊗;
Internal picture array format

	WORD		CONTENTS
	
	0		PCLN   number of scanlines in the picture
	1		PCWD   words in the pixel portion of the picture
	2		PCBY   valid bytes in the picture
	3		PCBYA  bytes in the picture, including null
				bytes at end of each scanline

	4		LNWD   words per scanline
	5		LNBY   valid bytes per scanline
	6		LNBYA  bytes per scanline, including the nulls

	7		WDBY   bytes per word
	8		WDBI   bits in the valid portion of each word

	9		BYBI   bits per byte

	10		BPTAB  address of SECOND entry in byte pointer
				table 12+PCLN+address of array

	11 to 10+PCLN	LINTAB table containg the actual address of the first
				word of each scanline, in obvious order

	11+PCLN to 	table containing byte pointers to samples within
	 11+PCLN+LNBYA		lines, to be added to line address.
				The first entry, when ILDB'ed causes
				loading of the first byte in the line.

	12+PCLN+LNBYA to	the picture
	 11+PCLN+LNBYA+PCWD