sysfuncs.txt

menuet os应用程序源代码,很多汇编写的应用程序

   
SYSTEM CALLS FOR APPLICATIONS
   
eax      = function number
int 0x40 = sys call
   
   
00 = DEFINE AND DRAW WINDOW
   
     ebx [x start]*65536 + [x size]
     ecx [y start]*65536 + [y size]
     edx body color     0xXYRRGGBB  if X=8 -> color glide
                                    if Y=0 -> window type  I
                                    if Y=1 -> reserve area, no draw
                                    if Y=2 -> window type  II
                                    if Y=3 -> skinned window,
                                              closebutton id=1 added
     esi grab bar color 0xXYRRGGBB  if X=8 -> negative color glide
                                    if X=4 -> positive color glide
                                    Y normally 0
                                    if Y=1 -> Window cannot be moved by GUI
     edi frame color    0x00RRGGBB
     ret: nothing changed
   
   
01 = PUTPIXEL
   
     ebx [x]
     ecx [y]
     edx pixel color 0x0XRRGGBB
                        ^ 0 normal put, 1 negative
     ret: nothing changed
   
   
02 = GET KEY
   
     ret: al 0 successful -> ah = key
          al 1 no key in buffer

          See also function 66
   
   
03 = GET SYSTEM CLOCK
   
     ret: eax 0x00SSMMHH sec,min,hour
   
   
04 = WRITE TEXT TO WINDOW
   
     ebx [x start]*65536 + [y start]
     ecx color         - 0x00RRGGBB
         font (0 or 1) - 0xF0000000
     edx pointer to text beginning
     esi text length
     ret: nothing changed
   
   
05 = DELAY X/100 SECS
   
     ebx delay in 1/100 secs
     ret: nothing changed
   

07 = PUTIMAGE
   
     ebx pointer to image in memory - RRGGBBRRGGBB..
     ecx image size [x]*65536+[y]
     edx image position in window [x]*65536+[y]
     ret: eax 0 succesful, 1 overlapped
   
   
08 = DEFINE BUTTON
   
     ebx [x start]*65536 + [x size]
     ecx [y start]*65536 + [y size]
     edx button id number (24 bits)
     esi button color 0x 00 RR GG BB
     ret: nothing changed
   
     ; if bit 31 is set in edx then function removes a button matching the id
     ; note that function doesn't remove the button image to avoid
     ; unnecessary flickering - when for example changing the colour
   
     ; if bit 30 is set in edx then button image is not drawn
     
     ; if bit 29 is set, the rectangle is not drawn when pressed
   
   
   
09 = PROCESS INFO
   
     ebx pointer to 1024 bytes table
     ecx process number or -1 = who am I
     ret: eax number of processes
          table :  +00  dword   cpu usage
                   +04   word   processes position in windowing stack
                   +06   word   window stack value at ecx
                   +10  12 db   name of the process
                   +22  dword   start of processes memory
                   +26  dword   memory used by process
                   +30  dword   PID of the process
                   +34  dword   window x start
                   +38  dword   window y start
                   +42  dword   window x size
                   +46  dword   window y size
                   +50   word   process slot state
   
   
10 = WAIT FOR EVENT
   
     ret: eax event type, 1 window redraw, 2 key in buffer, 3 button pressed
   
   
11 = CHECK FOR EVENT, NO WAIT
   
     ret: eax 0 no event, 1 window redraw, 2 key in buffer, 3 button pressed
   
   
12 = WINDOW REDRAW STATUS
   
     ebx  1 start of redraw, 2 end of redraw
     ret: nothing changed
   
   
13 = DRAW BAR
   
     ebx [x start]*65536 + [x size]
     ecx [y start]*65536 + [y size]
     edx color 0x00RRGGBB
     ret: nothing changed
   
   
14 = GET SCREEN SIZE
   
     ret: eax [screen x max]*65536 + [screen y max]
   
   
15 = BACKGROUND
   
     ebx 1 : set background size
             ecx x size
             edx y size
     ebx 2 : write to background memory - max (0x100000-16)
             ecx position in memory in bytes
             edx color 0x00RRGGBB
     ebx 3 : draw background
     ebx 4 : type of background draw
             ecx 1 - tile
             ecx 2 - stretch
     ebx 5 : blockmove image to os bgr memory
             ecx - from
             edx - to where in os bgr memory
             esi - count of bytes to move


16 = SAVE RAMDISK TO FLOPPY

     ebx 1 : save all

   
17 = GET PRESSED BUTTON ID
   
     ret: al 0 successful -> ah  = id number (8 bits)
               shr eax,8  -> eax = id number (24 bits)
          al 1 no key in buffer
   
   
18 = SYSTEM SERVICE
   
     ebx 1 - system boot
     ebx 2 - force terminate , ecx process no
     ebx 3 - activate window at process list ecx
     ebx 4 - idle clock cycles / second
     ebx 5 - time stamp counter / second - cpu speed
   
   
20 = MIDI INTERFACE - MPU401
   
     ebx  1 - reset device
     ebx  2 - cl midi data to output
   
   
21 = SETUP FOR DEVICES
   
     ebx 1=roland mpu midi base , base io address
     ebx 2=keyboard 1 base keymap  2 shift keymap (ecx pointer to keymap)
                    9 country 1eng 2fi 3ger 4rus
     ebx 3=cd base  1 pri.master  2 pri slave,
                    3 sec master  4 sec slave
     ebx 4=sb16 base, base io address
     ebx 5=system language, 1eng 2fi 3ger 4rus
     ebx 6=wss base, base io address
     ebx 7=hd base, 1 pri.master  2 pri slave
                    3 sec master  4 sec slave
     ebx 8=fat32 partition in hd
     ebx 10=sound dma channel in ecx
   
   
23 = WAIT FOR EVENT WITH TIMEOUT
   
     ebx time to delay in hs
     ret: eax event type: 0 no event, 1 window redraw,
                          2 key in buffer, 3 button
   
   
24 = CD AUDIO
   
     ebx 1 - play from ecx 00 FR SS MM
     ebx 2 - get playlist size of ecx to [edx]
     ebx 3 - stop/pause play
   
   
25 = SB16 - MIXER I
   
     ebx 1 - set main volume cl [L]*16+[R]
     ebx 2 - set cd   volume cl [L]*16+[R]
   
   
26 = GET SETUP FOR DEVICES
   
     ebx 1=roland mpu midi base , base io address
     ebx 2=keyboard 1 base keymap  2 shift keymap
                    9 country 1eng 2fi 3ger 4rus
     ebx 3=cd base  1 pri.master  2 pri slave,
                    3 sec master  4 sec slave
     ebx 4=sb16 base, base io address
     ebx 5=system language, 1eng 2fi 3ger 4rus
     ebx 6=wss base, base io address
     ebx 7=hd base, 1 pri.master  2 pri slave
                    3 sec master  4 sec slave
     ebx 8=fat32 partition in hd
     ebx 9=uptime in 1/100 sec -> eax
     return value in eax
   
   
27 = WINDOWS SOUND SYSTEM
   
     ebx 1 - set main volume to cl 0-255
     ebx 2 - set cd   volume to cl 0-255
   
   
28 = SB16 - MIXER II
   
     ebx 1 - set main volume to cl 0-255
     ebx 2 - set cd   volume to cl 0-255
   
   
29 = GET DATE
   
     ret: eax 0x00YYDDMM year date month
   
   
32 = DELETE FILE FROM FLOPPY
   
     ebx  pointer to filename

     ret: eax - 0 = successful, 1 = file not found
   
   
35 = READ SCREEN PIXEL
   
     ebx = pixel count from top left of the screen
   
     return : eax = 0x00RRGGBB
   
   
37 = READ MOUSE POSITION
   
     ebx=0 screen relative
     ebx=1 window relative
     ebx=2 buttons pressed
     return in eax
   
   
38 = DRAW LINE
   
     ebx  [x start] shl 16 + [x end]
     ecx  [y start] shl 16 + [y end]
     edx  colour 0x00RRGGBB
   
     return : nothing changed
   
   
39 = GET BACKGROUND
   
     ebx=1 -> eax=[bgr x size] shl 16 + [bgr y size]
     ebx=2
       ecx= postition of backgrounds memorymap to return in eax
     ebx=4 -> eax=1 tiled, eax=2 stretched
   
   
40 = SET BITFIELD FOR WANTED EVENTS
   
     as default: