INT 15 - DESQview v2.40+ - ALLOCATE SYSTEM MEMORY                               
	AX = 102Eh
	BX = number of bytes
Return: AX = status
	    0000h successful
		ES:DI -> allocated system memory (see #00433)
	    0001h failed
		ES:DI = 0000h:0000h
Note:	under DV 2.42, this call is identical to AX=1001h
SeeAlso: AX=1001h,AX=1002h,AX=DE0Ch


Format of DESQview system memory block header:
Offset	Size	Description	(Table 00433)
 00h	WORD	segment of next header or 0000h
 02h	WORD	segment of previous header or 0000h
 04h	WORD	size of block in paragraphs, including header
 06h	BYTE	availability flag (00h in use, 01h free)
Note:	this header is located one paragraph before the memory block proper
SeeAlso: #00423