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Format of 386MAX control block

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Offset Size Description

00h

WORD

segment of next block (FFFFh if last)

02h

WORD

segment of previous block (FFFFh if first)

04h

12 BYTEs

filename

10h

WORD

resident size in paragraphs

12h

WORD

environment size???

14h

WORD

real prsent environment size + 1 (0000h if ENVSAVE used)

16h

2 BYTEs

???

18h

DWORD

initial size or SIZE=n in 386LOAD commandline

1Ch

DWORD

SIZE=-1 ???

20h

DWORD

SIZE= ???

24h

BYTE

PRGREG= if specified, else FFh

25h

BYTE

ENVREG= if specified, else FFh

26h

BYTE

FlexFrame
00h = not present
01h = present

27h

3 BYTEs

???

2Ah

BYTE

GROUP= or 00h if not present

2Bh

BYTE

???

2Ch

WORD

PSP