0,0 → 1,424 |
; |
; Example for Inter Process Communication |
; |
; Compile with FASM for Menuet |
; |
include 'lang.inc' |
include 'macros.inc' |
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use32 |
org 0x0 |
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db 'MENUET01' ; 8 byte id |
dd 0x01 ; header version |
dd START ; start of code |
dd I_END ; size of image |
dd 0x60000 ; memory for app |
dd 0x60000 ; esp |
dd 0x0 , 0x0 ; I_Param , I_Icon |
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START: ; start of execution |
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mov eax,60 ; IPC |
mov ebx,1 ; define receive area |
mov ecx,received_messages ; pointer to start |
mov edx,1000 ; size of area |
int 0x40 |
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mov eax,40 ; WANTED EVENTS |
mov ebx,01000111b ; IPC 7 + defaults |
int 0x40 |
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mov [received_messages+8],dword 0*256+0 |
mov [received_messages+12],dword 0 |
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call draw_window ; at first, draw the window |
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still: |
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mov eax,23 ; wait here for event |
mov ebx,50 |
int 0x40 |
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cmp eax,1 ; redraw request ? |
je red |
cmp eax,2 ; key in buffer ? |
je key |
cmp eax,3 ; button in buffer ? |
je button |
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cmp eax,7 ; IPC ? |
jne no_ipc |
call display_ipc_messages |
jmp still |
no_ipc: |
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jmp still |
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red: ; redraw |
call draw_window |
jmp still |
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key: ; key |
mov eax,2 ; just read it and ignore |
int 0x40 |
jmp still |
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button: ; button |
mov eax,17 ; get id |
int 0x40 |
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cmp ah,1 ; button id=1 ? |
jne noclose |
mov eax,-1 ; close this program |
int 0x40 |
noclose: |
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cmp ah,2 |
jne no_read |
call read_string |
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movzx eax,byte [message] |
sub eax,48 |
imul eax,10 |
movzx ebx,byte [message+1] |
add eax,ebx |
sub eax,48 |
imul eax,10 |
movzx ebx,byte [message+2] |
add eax,ebx |
sub eax,48 |
imul eax,10 |
movzx ebx,byte [message+3] |
add eax,ebx |
sub eax,48 |
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mov [PID],eax |
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mov eax,60 ; IPC |
mov ebx,2 ; send message |
mov ecx,[PID] |
mov edx,message+4 |
mov esi,20;[message_size] |
int 0x40 |
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jmp still |
no_read: |
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cmp ah,3 |
jne no_messages_pop ; pop the first out |
call ipc_message_pop |
jmp still |
no_messages_pop: |
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jmp still |
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ipc_message_pop: |
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pusha |
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cmp [received_messages+4],dword 8 |
je already_empty |
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mov [received_messages],byte 1 ; lock the area |
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push dword [received_messages+4] |
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mov ecx,[received_messages+12] |
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sub [received_messages+4],ecx |
sub [received_messages+4],dword 8 |
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mov edi,received_messages+8 |
mov esi,edi |
add esi,ecx |
add esi,8 |
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pop ecx |
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cld |
rep movsb |
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call display_ipc_messages |
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mov [received_messages],byte 0 ; free the area |
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already_empty: |
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popa |
ret |
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display_ipc_messages: |
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pusha |
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mov eax,13 |
mov ebx,25*65536+245 |
mov ecx,105*65536+90 |
mov edx,0xdddddd |
int 0x40 |
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cmp [received_messages+4],dword 8 ; empty list |
je ipma1 |
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mov ebx,25*65536+105 ; draw info text with function 4 |
mov ecx,0x224466 |
mov edx,received_messages+8 |
mov esi,40 |
mov [counter],0 |
newline2: |
pusha |
mov ecx,[edx] |
and ecx,0xfff |
mov edx,ebx |
mov eax,47 |
mov ebx,4*65536 |
mov esi,0xff0000 |
int 0x40 |
popa |
pusha |
mov esi,20 |
add edx,8 |
add ebx,30*65536 |
mov eax,4 |
int 0x40 |
popa |
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add ebx,10 |
mov edi,[edx+4] |
add edi,8 |
and edi,0xfff |
add edx,edi |
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mov edi,[received_messages+4] |
add edi,received_messages |
cmp edx,edi |
jge ipma1 |
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inc [counter] |
cmp [counter],8 |
jbe newline2 |
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ipma1: |
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popa |
ret |
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counter dd 0x0 |
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; ********************************************* |
; ******* WINDOW DEFINITIONS AND DRAW ******** |
; ********************************************* |
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draw_window: |
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mov eax,12 ; function 12:tell os about windowdraw |
mov ebx,1 ; 1, start of draw |
int 0x40 |
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; DRAW WINDOW |
mov eax,0 ; function 0 : define and draw window |
mov ebx,100*65536+290 ; [x start] *65536 + [x size] |
mov ecx,100*65536+220 ; [y start] *65536 + [y size] |
mov edx,0x03ffffff ; color of work area RRGGBB,8->color gl |
int 0x40 |
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; WINDOW LABEL |
mov eax,4 ; function 4 : write text to window |
mov ebx,8*65536+8 ; [x start] *65536 + [y start] |
mov ecx,0x10ffffff ; color of text RRGGBB |
mov edx,labelt ; pointer to text beginning |
mov esi,labellen-labelt ; text length |
int 0x40 |
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mov eax,9 |
mov ebx,process_info |
mov ecx,-1 |
int 0x40 |
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mov eax,47 |
mov ebx,4*65536 |
mov ecx,[process_info+30] |
mov edx,180*65536+35 |
mov esi,0x000000 |
int 0x40 |
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mov eax,8 ; MESSAGE |
mov ebx,25*65536+87 |
mov ecx,50*65536+16 |
mov edx,2 |
mov esi,0x5588dd |
int 0x40 |
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mov eax,8 ; POP |
mov ebx,216*65536+53 |
mov ecx,80*65536+16 |
mov edx,3 |
mov esi,0x5588dd |
int 0x40 |
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mov ebx,25*65536+35 ; draw info text with function 4 |
mov ecx,0x224466 |
mov edx,text |
mov esi,40 |
newline: |
mov eax,4 |
int 0x40 |
add ebx,10 |
add edx,40 |
cmp [edx],byte 'x' |
jne newline |
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call display_ipc_messages |
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mov eax,12 ; function 12:tell os about windowdraw |
mov ebx,2 ; 2, end of draw |
int 0x40 |
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ret |
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read_string: |
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pusha |
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mov [addr],dword message |
mov [ya],55 |
mov [xa],120 |
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mov ecx,20 |
mov edi,[addr] |
mov al,' ' |
cld |
rep stosb |
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call print_text |
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mov edi,[addr] |
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f11: |
mov eax,10 |
int 0x40 |
cmp eax,2 |
jz fbu |
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exit_readkey: |
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popa |
ret |
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fbu: |
mov eax,2 |
int 0x40 ; get key |
shr eax,8 |
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cmp eax,13 |
je exit_readkey |
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cmp eax,8 |
jnz nobs |
cmp edi,[addr] |
jz f11 |
dec edi |
mov [edi],byte ' ' |
call print_text |
jmp f11 |
nobs: |
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cmp eax,31 |
jbe f11 |
cmp eax,95 |
jb keyok |
sub eax,32 |
keyok: |
mov [edi],al |
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call print_text |
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inc edi |
mov esi,[addr] |
add esi,20 |
cmp esi,edi |
jnz f11 |
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popa |
ret |
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print_text: |
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mov eax,13 |
mov ebx,[xa] |
shl ebx,16 |
add ebx,25*6 |
mov ecx,[ya] |
shl ecx,16 |
mov cx,8 |
mov edx,0xffffff |
int 0x40 |
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mov eax,4 |
mov ebx,[xa] |
shl ebx,16 |
add ebx,[ya] |
mov ecx,0x000000 |
mov edx,[addr] |
mov esi,25 |
int 0x40 |
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ret |
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; DATA AREA |
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ya dd 0x0 |
xa dd 0x0 |
addr dd 0x0 |
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text: |
db 'PROCESS ID FOR THIS APP : ' |
db ' ' |
db ' PID:MESSAGE 0130 EXAMPLE MESSAGE ' |
db ' ' |
db ' ' |
db 'RECEIVED: POP ' |
db 'x' ; <- END MARKER, DONT DELETE |
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labelt: |
db 'IPC - START AT LEAST 2' |
labellen: |
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I_END: |
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PID: dd 0x0 |
message_size: dd 20 |
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received_messages: |
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db 0 ; lock byte |
db 0,0,0 ; reserved |
dd 8 ; pointer to free msg position from received_messages |
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; Sender PID |
; Msg length |
; Msg data |
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rb 0x1000 |
message: times 70 db ? |
process_info: times 256 dd ? |
Property changes: |
Added: svn:eol-style |
+native |
\ No newline at end of property |