| 0,0 → 1,239 |
|---|
| ; |
| ; MEMORY MAP |
| ; |
| ; Boot: |
| ; |
| ; 0:9000 byte bits per pixel |
| ; 0:9001 word scanline length |
| ; 0:9008 word vesa video mode |
| ; 0:900A word X res |
| ; 0:900C word Y res |
| ; 0:9010 byte mouse port - not used |
| ; 0:9014 dword Vesa 1.2 pm bank switch |
| ; 0:9018 dword Vesa 2.0 LFB address |
| ; 0:901C byte 0 or 1 : enable MTRR graphics acceleration |
| ; 0:901D byte not used anymore (0 or 1 : enable system log display) |
| ; 0:901E byte 0 or 1 : enable direct lfb write, paging disabled |
| ; 0:9020 8bytes pci data |
| ; 0:9030 byte VRR start enabled 1, 2-no |
| ; 0:9031 word IDEContrRegsBaseAddr |
| ; |
| ; |
| ; Runtime: |
| ; |
| ; 0000 -> 2FFF window_data - 256 entries |
| ; |
| ; 0000 dword x start |
| ; 0004 dword y start |
| ; 0008 dword x size |
| ; 000C dword y size |
| ; 0010 dword color of work area |
| ; 0014 dword color of grab bar |
| ; 0018 dword color of frames |
| ; 001C dword window flags, +30 = window drawn, +31 redraw flag |
| ; |
| ; 3000 -> 4FFF task list - 256 entries |
| ; |
| ; 00 dword process count |
| ; 04 dword no of processes |
| ; 10 dword base of running process at 0x3000+ |
| ; |
| ; 20 dword application event mask |
| ; 24 dword PID - process identification number |
| ; 2a word 0, state 3=zombie, 4=terminate |
| ; 2e byte window number on screen |
| ; 30 dword exact position in memory |
| ; 34 dword counter sum |
| ; 38 dword time stamp counter add |
| ; 3c dword cpu usage in cpu timer tics |
| ; |
| ; -> delete -> 5000 -> AFFF free |
| ; |
| ;!!! |
| ; 5000 -> 5FFF save_syscall_data - syscall trace |
| ; 6000 -> 63FF reg1 array - for i40 (first parts of saved TSS descriptor) |
| ; 6400 -> 67FF reg2 array - same thing, second part |
| ; 6800 -> 68FF used i40 (1 if used, 0 if free), first element not used |
| ; 6900 -> 6EFF saved picture under mouse pointer |
| ; |
| ; 6F00 -> 7FFF i38 stack (4,25Kb) |
| ; |
| ; 8000 -> A3FF used FLOPPY driver |
| ; |
| ; A400 -> AFFF free |
| ; |
| ; B000 -> B005 jump address for irq0 (task switch) |
| ; B008 -> B00B count of ticks remaining to updating CPU usage info |
| ; |
| ; B060 -> B07F fpu error handler's stack |
| ; B080 -> B0FF fpu_tss -> temporary TSS for FPU context switching |
| ; B100 -> B2FF IDT |
| ; B300 -> BAFF tasknum array - for i40 handler |
| ; BB00 -> BEFF free |
| ;!!! |
| |
| ; BF00 -> BFFF bytes, 1 if process running/memory in use |
| ; C000 -> C3FF window stack C000 no of windows - all in words |
| ; C402 -> C7FF window position in stack |
| ; D000 -> D1FF FDC controller |
| ; D200 -> D3FF FDC controller for Fat12 |
| ; D400 -> DFFF free |
| ; E000 byte multitasking started |
| ; E004 dword save for boot mem 0x24 |
| ; E010 dword pm bank switch address |
| ; E014 dword window multiplier |
| ; E020 dword putpixel address |
| ; E024 dword getpixel address |
| ; E030 dword Vesa 1.2 pm bank switch address |
| ; F000 dword hd partition 1 start |
| ; F004 dword root start at partition 1 |
| ; F008 dword root start at hd |
| ; F100 byte 1=only os draw on screen |
| ; F200 dword mousepicture -pointer |
| ; F204 dword mouse appearance counter |
| ; F300 dword x & y temp for windowmove |
| ; F400 byte no of keys in buffer |
| ; F401 byte 'buffer' |
| ; F402 -> F4FF reserved for keys |
| ; F500 byte no of buttons in buffer |
| ; F501 dword 'buffer' |
| ; F502 -> F5FF reserved for buttons |
| ; F600 dword tsc / second |
| ; F604 byte mouse port: 1 ps2, 2 com1, 3 com2 |
| ; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y |
| ; FB10 -> FB17 mouse color mem |
| ; FB21 x move |
| ; FB22 y move |
| ; FB28 high bits temp |
| ; FB30 color temp |
| ; FB40 byte buttons down |
| ; FB44 byte 0 mouse down -> do not draw |
| ; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under |
| ; FBF0 byte multiplied window |
| ; FBF1 byte bits per pixel |
| ; FC00 -> FCFE com1/ps2 buffer |
| ; FCFF com1/ps2 buffer count starting from FC00 |
| ; FDF0 -> FDF3 timer tick inc every 1/100 sec 4 bytes |
| ; FE00 dword screen x size |
| ; FE04 dword screen y size |
| ; FE08 dword screen y multiplier |
| ; FE0C dword screen mode |
| ; FE10 dword entries in hd cache |
| ; FE80 dword address of LFB in physical |
| ; FE84 dword address of applications memory start in physical |
| ; FE88 dword address of button list |
| ; FE8C dword memory to use |
| ; FF00 byte 1 = system shutdown request |
| ; FF01 dword if >1 then activate process |
| ; FFF0 byte 1 = redraw background request from app |
| ; FFF1 byte 1 = diskette int occur |
| ; FFF2 write and read bank in screen |
| ; FFF4 byte 0 if first mouse draw & do not return picture under |
| ; FFF5 byte 1 do not draw pointer |
| ; FFFF byte do not change task for 1/100 sec. |
| ; |
| ; 10000 -> 1FFFF 32 bit os |
| ; 20000 -> 2FFFF 32 bit stack |
| ; 30000 -> 36FFF basic text font II |
| ; 37000 -> 3BFFF basic text font I |
| ; 40000 -> 4FFFF data of retrieved disks and partitions (Mario79) |
| ; 50000 -> 500FF TSS of scheduler |
| ; 51000 -> 54000 esp0,esp1,esp2 |
| ; 5F000 -> 5FFFF schedulers stack |
| ; 60000 -> 7FFFF paging tables |
| ; 80000 -> 8FFFF additional app info, in 256 byte steps - 256 entries |
| ; |
| ; 00 11db name of app running |
| ; 10 108db floating point unit save area |
| ; 7f byte 0= no fpu saved , 1= fpu saved to 0x10 -> restore |
| ; 80 dword address of random shaped window area |
| ; 84 byte shape area scale |
| ; 88 dword used GDT of TSS |
| ; 8C dword application memory size |
| ; 90 dword window X position save |
| ; 94 dword window Y position save |
| ; 98 dword window X size save |
| ; 9C dword window Y size save |
| ; A0 dword IPC memory start |
| ; A4 dword IPC memory size |
| ; A8 dword event bits: mouse, stack,.. |
| ; |
| ; B0 dword int40 handler in use ; 0 if not in use |
| ; B4 byte keyboard mode: 0 = keymap, 1 = scancodes |
| ; |
| ; 90000 -> 9FFFF tmp |
| ; A0000 -> AFFFF screen access area |
| ; B0000 -> FFFFF bios rest in peace -area |
| ; 100000 -> 27FFFF diskette image |
| ; 280000 -> 281FFF ramdisk fat |
| ; 282000 -> 283FFF floppy fat |
| ; |
| ; 284000 -> 28FFFF free |
| ; |
| ; 290000 -> 297FFF TSS's of interrupts |
| ; 298000 -> 29FFFF TSS's of SYSTEM interrupts - 256 entries |
| ; 2A0000 -> 2B00ff wav device data |
| ; 2C0000 -> 2C3fff button info |
| ; |
| ; 0000 word number of buttons |
| ; first button entry at 0x10 |
| ; +0000 word process number |
| ; +0002 word button id number : bits 00-15 |
| ; +0004 word x start |
| ; +0006 word x size |
| ; +0008 word y start |
| ; +000A word y size |
| ; +000C word button id number : bits 16-31 |
| ; |
| ; 2D0000 -> 2DFFFF reserved port area |
| ; |
| ; 0000 dword no of port areas reserved |
| ; 0010 dword process id |
| ; dword start port |
| ; dword end port |
| ; dword 0 |
| ; |
| ; 2E0000 -> 2EFFFF irq data area |
| ; 2F0000 -> 2FFFFF low memory save |
| ; |
| ; 300000 -> 45FFFF background image, max 1 M |
| ; |
| ; 460000 -> 5FFFFF display info |
| ; |
| ; 600000 -> 6FFFFF hd cache |
| ; |
| ; 700000 -> 71ffff tcp memory (128 kb) |
| ; 720000 -> 75ffff interrupt stacks (256 kpl * 1024) |
| ; |
| ; 760000 -> 76ffff !vrr driver |
| ; 770000 -> 777fff tcp memory ( 32 kb) |
| ; |
| ; 778000 -> 77ffff window skinning ( 32 kb) |
| ; 780000 -> 7fffff free |
| ; |
| ; 800000 -> BFFFFF mapped to LFB |
| ; |
| ; C00000 -> DFFFFF * Application information |
| ; |
| ; C00000 -> C01FFF draw_data - 256 entries |
| ; |
| ; 00 dword draw limit - x start |
| ; 04 dword draw limit - y start |
| ; 08 dword draw limit - x end |
| ; 0C dword draw limit - y end |
| ; 1C dword app int vector |
| ; |
| ; C03000 -> D11fff sysint_stack_data |
| ; - system interrupt stacks |
| ; - 256 entries * 4096 step |
| ; |
| ; D20000 -> DA8000 TSS and IO map for (2048*8)=16384 ports |
| ; (128+2048)*256 = 557956 = 0x88000 |
| ; |
| ; 1000000 -> 3FFFFFF for applications |
| ; |
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