DOSCODE_HMA_SEGMENT equ 0FFFEh
	; address DOSCODE at this segment when in HMA
DOSCODE_HMA_start_at equ (10000h - DOSCODE_HMA_SEGMENT) * 10h
	; offset from DOSCODE offset 0 to address 10_0000h
DOSCODE_HMA_OFFSET equ DOSCODE_HMA_start_at + 30h
	; 50h = 20h ROM-BIOS, 20h VDISK header, 10h HMCB
