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;

;    Stack Status Monitor

;

;    Compile with FASM for Menuet

;

use32

                org     0x0

                db      'MENUET00'              ; 8 byte id

                dd      38                      ; required os

                dd      START                   ; program start

                dd      I_END                   ; program image size

                dd      0x100000                ; required amount of memory

                dd      0x00000000              ; reserved=no extended header

include 'lang.inc'

include 'macros.inc'

START:                          ; start of execution

    call draw_window            ; at first, draw the window

still:

    mov  eax,23                 ; wait here for event

    mov  ebx,200    ; Time out after 2s

    int  0x40

    cmp  eax,1                  ; redraw request ?

    jz   red

    cmp  eax,2                  ; key in buffer ?

    jz   key

    cmp  eax,3                  ; button in buffer ?

    jz   button

 ; read the stack status data, and write it to the screen buffer

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 6

 int  0x40

 mov  ebx, text + 24

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 2

 int  0x40

 mov  ebx, text + 107

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 5

 int  0x40

 mov  ebx, text + 107 + 40

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 4

 int  0x40

 mov  ebx, text + 107 + 80

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 100

 int  0x40

 mov  ebx, text + 258

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 101

 int  0x40

 mov  ebx, text + 258 + 40

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 102

 int  0x40

 mov  ebx, text + 258 + 80

 call printhex

 mov  eax, 53

 mov  ebx, 255

 mov  ecx, 103

 int  0x40

 mov  ebx, text + 258 + 120

 call printhex

red:                           ; redraw

    call draw_window

    jmp  still

key:                           ; Keys are not valid at this part of the

    mov  eax,2                  ; loop. Just read it and ignore

    int  0x40

    jmp  still

button:                        ; button

    mov  eax,17                 ; get id

    int  0x40

    cmp  ah,1                   ; button id=1 ?

    jnz  still

    mov  eax,0xffffffff         ; close this program

    int  0x40

    jmp  still

;   *********************************************

;   *******  WINDOW DEFINITIONS AND DRAW ********

;   *********************************************

draw_window:

    mov  eax,12                    ; function 12:tell os about windowdraw

    mov  ebx,1                     ; 1, start of draw

    int  0x40

                                   ; DRAW WINDOW

    mov  eax,0                     ; function 0 : define and draw window

    mov  ebx,100*65536+260         ; [x start] *65536 + [x size]

    mov  ecx,100*65536+205         ; [y start] *65536 + [y size]

    mov  edx,0x03224466            ; color of work area RRGGBB

    mov  esi,0x00334455            ; color of grab bar  RRGGBB,8->color gl

    mov  edi,0x00ddeeff            ; color of frames    RRGGBB

    int  0x40

                                   ; WINDOW LABEL

    mov  eax,4                     ; function 4 : write text to window

    mov  ebx,8*65536+8             ; [x start] *65536 + [y start]

    mov  ecx,0x00ffffff            ; color of text RRGGBB

    mov  edx,labelt                ; pointer to text beginning

    mov  esi,labellen-labelt       ; text length

    int  0x40

    ; Re-draw the screen text

    cld

    mov  ebx,25*65536+35           ; draw info text with function 4

    mov  ecx,0xffffff

    mov  edx,text

    mov  esi,40

  newline:

    mov  eax,4

    int  0x40

    add  ebx,16

    add  edx,40

    cmp  [edx],byte 'x'

    jnz  newline

    mov  eax,12                    ; function 12:tell os about windowdraw

    mov  ebx,2                     ; 2, end of draw

    int  0x40

    ret

; Taken from PS.ASM

printhex:

; number in eax

; print to ebx

; xlat from hextable

 pusha

 mov esi, ebx

 add esi, 8

 mov ebx, hextable

 mov ecx, 8

phex_loop:

 mov edx, eax

 and eax, 15

 xlatb

 mov [esi], al

 mov eax, edx

 shr eax, 4

 dec esi

 loop phex_loop

 popa

 ret

; DATA AREA

text:

    db ' Ethernet card status : xxxxxxxx        '

    db '                                        '

    db ' IP packets received :     xxxxxxxx     '

    db ' ARP packets received :    xxxxxxxx     '

    db ' Dumped received packets : xxxxxxxx     '

    db '                                        '

    db ' EMPTY QUEUE    : xxxxxxxx              '

    db ' IPOUT QUEUE    : xxxxxxxx              '

    db ' IPIN  QUEUE    : xxxxxxxx              '

    db ' NET1OUT QUEUE  : xxxxxxxx              '

    db 'x <- END MARKER, DONT DELETE            '

labelt:

    db   'Stack Status'

labellen:

hextable db '0123456789ABCDEF'

I_END: