231 lines
7.9 KiB
PHP
231 lines
7.9 KiB
PHP
;
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; MEMORY MAP
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;
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; Boot:
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;
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; 0:9000 byte bits per pixel
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; 0:9001 word scanline length
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; 0:9008 word vesa video mode
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; 0:900A word X res
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; 0:900C word Y res
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; 0:9010 byte mouse port - not used
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; 0:9014 dword Vesa 1.2 pm bank switch
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; 0:9018 dword Vesa 2.0 LFB address
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; 0:901C byte 0 or 1 : enable MTRR graphics acceleration
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; 0:901D byte not used anymore (0 or 1 : enable system log display)
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; 0:901E byte 0 or 1 : enable direct lfb write, paging disabled
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; 0:9020 8bytes pci data
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; 0:9030 byte VRR start enabled 1, 2-no
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; 0:9031 word IDEContrRegsBaseAddr
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; 0x9040 - dword - entry point of APM BIOS
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; 0x9044 - word - version (BCD)
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; 0x9046 - word - flags
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;
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; Runtime:
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;
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; 0000 -> 1FFF window_data - 256 entries
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;
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; 0000 dword x start
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; 0004 dword y start
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; 0008 dword x size
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; 000C dword y size
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; 0010 dword color of work area
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; 0014 dword color of grab bar
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; 0018 dword color of frames
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; 001C dword window flags, +30 = window drawn, +31 redraw flag
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;
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; 2000 -> 2FFF free
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;
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; 3000 -> 4FFF task list - 256 entries
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;
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; 00 dword process count
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; 04 dword no of processes
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; 10 dword base of running process at 0x3000+
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;
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; 20 dword application event mask
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; 24 dword PID - process identification number
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; 2a byte slot state: 0=running, 1,2=suspended
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; 3=zombie, 4=terminate,
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; 5=waiting for event, 9 = not used
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; 2e byte window number on screen
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; 30 dword exact position in memory
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; 34 dword counter sum
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; 38 dword time stamp counter add
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; 3c dword cpu usage in cpu timer tics
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;
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;
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; 5000 -> 5FFF save_syscall_data - syscall trace
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; 6000 -> 68FF free
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; 6900 -> 6EFF saved picture under mouse pointer
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;
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; 6F00 -> 6FFF free
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;
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; 7000 -> 7FFF used CD driver
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;
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; 8000 -> A3FF used FLOPPY driver
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;
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; A400 -> B0FF free
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; B100 -> B2FF IDT
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; B300 -> BFFF free
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; C000 -> C3FF window stack C000 no of windows - all in words
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; C402 -> C7FF window position in stack
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; D000 -> D1FF FDC controller
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; D200 -> D3FF FDC controller for Fat12
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; D400 -> DFFF free
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; E000 byte multitasking started
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; E020 dword putpixel address
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; E024 dword getpixel address
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; E030 dword Vesa 1.2 pm bank switch address
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; F200 dword mousepicture -pointer
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; F204 dword mouse appearance counter
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; F300 dword x & y temp for windowmove
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; F400 byte no of keys in buffer
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; F401 byte 'buffer'
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; F402 -> F4FF reserved for keys
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; F500 byte no of buttons in buffer
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; F501 dword 'buffer'
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; F502 -> F5FF reserved for buttons
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; F600 dword tsc / second
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; F604 byte mouse port: 1 ps2, 2 com1, 3 com2
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; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y
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; FB10 -> FB17 mouse color mem
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; FB21 x move
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; FB22 y move
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; FB28 high bits temp
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; FB30 color temp
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; FB40 byte buttons down
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; FB44 byte 0 mouse down -> do not draw
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; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under
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; FBF1 byte bits per pixel
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; FC00 -> FCFE com1/ps2 buffer
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; FCFF com1/ps2 buffer count starting from FC00
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; FE00 dword screen x size
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; FE04 dword screen y size
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; FE08 dword screen y multiplier
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; FE0C dword screen mode
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; FE10 dword entries in hd cache
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; FE80 dword address of LFB in physical
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; FE84 dword address of applications memory start in physical
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; FE88 dword address of button list
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; FE8C dword memory to use
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; FF00 byte 1 = system shutdown request
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; FF01 dword free
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; FFF0 byte 1 = redraw background request from app
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; FFF1 byte 1 = diskette int occur
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; FFF2 write and read bank in screen
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; FFF4 byte 0 if first mouse draw & do not return picture under
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; FFF5 byte 1 do not draw pointer
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; FFFF byte do not change task for 1/100 sec.
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;
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; 10000 -> 3DBFF kernel, 32-bit run-time code (up to 183 Kb)
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; 3DC00 -> 3EBFF stack at boot time (4Kb)
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; 3EC00 -> 3F5FF basic text font II
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; 3F600 -> 3FFFF basic text font I
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; 40000 -> 4FFFF data of retrieved disks and partitions (Mario79)
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; 50000 -> 50FFF main page directory
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; 50200 -> 5FFFF pages bitmap
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; 60000 -> 7FFFF free (128 Kb)
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; 80000 -> 8FFFF additional app info, in 256 byte steps - 256 entries
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;
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; 00 11db name of app running
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; 10 108db floating point unit save area
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; 7f byte 0= no fpu saved , 1= fpu saved to 0x10 -> restore
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; 80 dword address of random shaped window area
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; 84 byte shape area scale
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; 88 dword free
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; 8C dword application memory size
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; 90 dword window X position save
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; 94 dword window Y position save
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; 98 dword window X size save
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; 9C dword window Y size save
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; A0 dword IPC memory start
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; A4 dword IPC memory size
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; A8 dword event bits: mouse, stack,..
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; AC dword 0 or debugger slot
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; B0 dword free
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; B4 byte keyboard mode: 0 = keymap, 1 = scancodes
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; B8 dword physical address of directory table
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; BC dword address of debug event memory
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; C0 5 dd thread debug registers: DR0,DR1,DR2,DR3,DR7
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;
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; 90000 -> 9FFFF tmp
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; A0000 -> AFFFF screen access area
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; B0000 -> FFFFF bios rest in peace -area
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; 100000 -> 27FFFF diskette image
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; 280000 -> 281FFF ramdisk fat
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; 282000 -> 283FFF floppy fat
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;
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; 284000 -> 29FFFF free (112 Kb)
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;
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; 2A0000 -> 2B00ff wav device data
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; 2C0000 -> 2C3fff button info
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;
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; 0000 word number of buttons
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; first button entry at 0x10
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; +0000 word process number
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; +0002 word button id number : bits 00-15
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; +0004 word x start
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; +0006 word x size
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; +0008 word y start
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; +000A word y size
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; +000C word button id number : bits 16-31
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;
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; 2C4000 -> 2CFFFF free (48Kb)
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;
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; 2D0000 -> 2DFFFF reserved port area
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;
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; 0000 dword no of port areas reserved
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; 0010 dword process id
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; dword start port
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; dword end port
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; dword 0
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;
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; 2E0000 -> 2EFFFF irq data area
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; 2F0000 -> 2FFFFF low memory save
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;
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; 300000 -> 45FFFF background image, max 1,375 M
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;
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; 460000 -> 5FFFFF display info
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;
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; 600000 -> 6FFFFF hd cache
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;
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; 700000 -> 71ffff tcp memory (128 kb)
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; 720000 -> 75ffff free (256 kb)
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;
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; 760000 -> 76ffff !vrr driver
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; 770000 -> 777fff tcp memory ( 32 kb)
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;
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; 778000 -> 77ffff window skinning ( 32 kb)
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; 780000 -> 7fffff free (512 Kb)
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;
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; 800000 -> 801FFF draw_data - 256 entries
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;
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; 00 dword draw limit - x start
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; 04 dword draw limit - y start
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; 08 dword draw limit - x end
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; 0C dword draw limit - y end
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;
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; 802000 -> 802fff free (4 Kb)
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;
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; 803000 -> 902fff sysint_stack_data
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; - ring0 stacks for ring3 processes
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; - used for interrupt handling
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; - 256 entries * 4096 step
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;
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; 903000 -> 91ffff free (116 Kb)
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;
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; 920000 -> B28000 TSS and IO map for (8192*8)=65536 ports
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; (128+8192)*256 = 2129920 = 0x208000
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;
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; C00000 -> kernel heap
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