;*****************************************************
;*
;*	Memory Descriptor Formats
;*
;*****************************************************

	; format while on MFL or MAL

m_link		equ	word ptr 0
m_start		equ	word ptr m_link+word
m_length	equ	word ptr m_start+word
m_plist		equ	word ptr m_length+word
m_unused	equ	word ptr m_plist+word
mdlen		equ	m_unused+word

	; format while on PD as memory segment
	;   ms_flags uses same definitions as
	;   mpb_flags

ms_link		equ	word ptr m_link
ms_start	equ	word ptr m_start
ms_length	equ	word ptr m_length
ms_flags	equ	word ptr m_plist
ms_mau		equ	word ptr m_unused

	; format of spb (share parameter block)

spb_opd		equ	word ptr 0
spb_rpd		equ	word ptr spb_opd + word
spb_start	equ	word ptr spb_rpd + word