关于app(process)和窗口信息

在memmap.inc内存图中，有两处的信息和应用或者说进程有关。都是256条，估计是最多可以有256个应用或者说进程：

第52行：

；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

 

第136行：

；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
;

 

窗口信息也有256条，在第41行：

; 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

 

第257行有256条draw_data信息：

; 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