model tiny,stdcall
p586N
locals
jumps
codeseg
option procalign:byte

include "..\include\fat.h"
include "..\include\mem.h"
include "..\include\divers.h"

org     0h

start:
header  exe     <,1,0,,,offset imports,,offset realstart>

realstart:
        call    [cs:print],offset msginit
        xor     bp,bp
replay:
        call    [cs:addline]
noret:
        call    [cs:addline]
        mov     di,offset dir
        call    [cs:getdir],di
        call    [cs:print],di
        call    [cs:print],offset prompt
        mov     di,offset buffer
waitchar:
        xor     ax,ax
        int     16h
        call    convertfr
        cmp     ah,59
        jne     norr
        cmp     bp,0
        je      waitchar
        call    [print],[word ptr cs: bp]
        call    [copy],[word ptr cs: bp],di
        call    [getlength],di
        add     di,ax
        jmp     waitchar
norr:
        cmp     al,0dh          ;entr้e
        je      entere
        cmp     al,08h          ;backspace
        je      backspace
        cmp     al,27           ;echap
        je      escape
        cmp     al,' '
        jb      waitchar
        cmp     di,offset buffer+256
        je      waitchar
        mov     [di],al
        inc     di
        call    [cs:showchar],ax
        jmp     waitchar
escape:
        cmp     di,offset buffer
        je      waitchar
        call    [cs:getxy]
        mov     dx,offset buffer
        mov     cx,di
        sub     cx,dx
        js      waitchar
        je      waitchar
        sub     ah,cl
        mov     cl,ah
        xor     ah,ah
        xor     ch,ch
        call    [cs:setxy],cx,ax
        mov     di,offset buffer
        mov     [byte ptr di],0
        jmp     waitchar
backspace:
        cmp     di,offset buffer
        je      waitchar
        call    [cs:getxy]
        dec     ah
        mov     cl,ah
        xor     ah,ah
        xor     ch,ch        
        call    [cs:setxy],cx,ax        
        call    [cs:showchar],' '
        call    [cs:setxy],cx,ax         
        dec     di
        mov     [byte ptr di],0
        jmp     waitchar
entere:
        mov     [byte ptr di],0
        cmp     di,offset buffer
        je      noret
        mov     si,offset temp
        call    [cs:addline]
        call    [cs:getitem],offset buffer,si,0,' '
        call    [cs:uppercase],si
        mov     bx,offset commands
        xor     bp,bp
        xor     dx,dx
tre:
        mov     di,[bx]
        cmp     di,0
        je      error
        call    [cs:evalue],si,di
        cmp     ax,dx
        jb      noadd
        mov     dx,ax
        mov     bp,bx
noadd:
        call    [cs:cmpstr],si,di
        je      strisok
        add     bx,8
        jmp     tre
strisok:
        mov     di,offset temp
        call    [cs:copy],offset buffer,di
        call    [cs:uppercase],di
        xor     cx,cx
        inc     cx
        call    [cs:getpointeritem],di,cx,' '
        mov     di,ax
        cmp     [byte ptr di-1],0
        jne     nopod
        mov     [byte ptr di],0
nopod:
        call    [cs:checksyntax],di,[word ptr bx+4],' '
        jc      errorprec
        mov     bx,[bx+2]
        call    bx
        jmp     replay
error:
        mov     di,offset buffer
        call    [cs:searchchar],di,'.'
        je      noaddext
        call    [cs:concat],offset extcom,di
noaddext:
        call    [cs:execfile],di
        jc      reallyerror
        xor     bp,bp
        jmp     replay
reallyerror:
        push    [word ptr cs: bp]
        push    offset error_syntax
        call    [cs:print]
        jmp     replay
errorprec:
        push    offset derror
        call    [cs:print]
        jmp     replay

code_exit:
        pop     ax
        retf

code_version:  
        call    [cs:print],offset version_text
        ret

version_text db 'Cos 2000 version 1.4Fr par \c04MrNop',0

code_cls:
        call    [cs:clearscreen]
        ret

code_reboot:
        push    0ffffh
        push    00000h
        retf

code_command: 
        call    [cs:print],offset def
        mov     bx,offset commands
showalls:
        push    [word ptr bx+4]
        push    [word ptr bx+6]
        push    [word ptr bx]  
        call    [cs:print],offset commandes
        add     bx,8
        cmp     [word ptr bx],0
        jne     showalls
endoff:
        ret

def       db 'Liste des commandes internes\l\l',0
commandes db '%0 \h10:\h12%0 \h70%0\l',0

code_mode:
        call    [cs:gettypeditem],di,0,' '
        and     al,1111b
        call    [cs:setvideomode],ax
        call    [cs:clearscreen]
        ret

code_dir:
        call    [cs:getserial] 
        push    eax
        mov     si,offset nomdisque
        call    [cs:getname],si 
        push    si
        push    offset present
        call    [cs:print]
        xor     ecx,ecx
        mov     di,offset bufferentry
        call    [cs:findfirstfile],di
        jc      nofiles
go:
        push    [word ptr (find di).result.fileattr]
        push    [(find di).result.filesize]
        push    [(find di).result.filetime]
        push    [(find di).result.filedate]
        push    [(find di).result.filetimecrea]
        push    [(find di).result.filedatecrea]
        lea     bx,[(find di).result.filename]
        push    bx
        push    offset line
        call    [cs:print]
        inc     ecx
        call    [cs:findnextfile],di
        jnc     go
nofiles:
        push    ecx
        push    offset filess
        call    [cs:print]
        ret
        
nomdisque db    13 dup (0)
bufferentry db  512 dup (0)
present db      '\c02Le volume insere est nomme %0, Numero de serie : %hD\l\l',0

line    db      '\c07%n   %d   %t   %d   %t   %z   %a\l',0
filess  db      '\l\l\c02%u Fichier(s) au total\l\c07',0

code_cd:
        call    [cs:gettypeditem],di,0,' '
        push    ax
        push    offset changing
        call    [cs:print]
        call    [cs:changedir],ax
        jnc     okchange
        push    offset errorchanging
        call    [cs:print]
okchange:
        ret
        
changing db     'Changement de repertoire vers %0\l',0
errorchanging db '\c04Impossible d''atteindre ce dossier',0
        
code_kill:
        call    [cs:gettypeditem],di,0,' '
        push    ax
        push    offset killing
        call    [cs:print]
        call    [cs:mbfind],ax
        jc      nochanged
        call    [cs:mbfree],ax
        jnc     okchanged
nochanged:   
        call    [cs:print],offset errorkilling
okchanged:
        ret

killing db     'Fermeture du processus %0\l',0
errorkilling db '\c04Impossible de fermer ce processus',0

code_stack:

code_dump:

code_regs:
call [cs:savecontext],offset allregs
push 6
push eax
push eax
mov ax,[word ptr allregs.sss]
push 6
push eax
push eax
mov ax,[word ptr allregs.sgs]
push 6
push eax
push eax
mov ax,[word ptr allregs.sfs]
push 6
push eax
push eax
mov ax,[word ptr allregs.ses]
push 6
push eax
push eax
mov ax,[word ptr allregs.sds]
push 6
push eax
push eax
mov ax,[word ptr allregs.scs]
xor eax,eax
push 10
pushd [dword ptr allregs.seip]
pushd [dword ptr allregs.seip]
push 10
pushd [dword ptr allregs.sesp]
pushd [dword ptr allregs.sesp]
push 10
pushd [dword ptr allregs.sebp]
pushd [dword ptr allregs.sebp]
push 10
pushd [dword ptr allregs.sedi]
pushd [dword ptr allregs.sedi]
push 10
pushd [dword ptr allregs.sesi]
pushd [dword ptr allregs.sesi]
push 10
pushd [dword ptr allregs.sedx]
pushd [dword ptr allregs.sedx]
push 10
pushd [dword ptr allregs.secx]
pushd [dword ptr allregs.secx]
push 10
pushd [dword ptr allregs.sebx]
pushd [dword ptr allregs.sebx]
push 10
pushd [dword ptr allregs.seax]
pushd [dword ptr allregs.seax]
push 10
pushd [dword ptr allregs.seflags]
pushd [dword ptr allregs.seflags]
call [cs:print],offset registershow
ret

registershow db '\l\c02Liste des registres du Microprocesseur\l\l\c07'
             db '\c04CPU\h30FPU\c07\l'
             db 'EFGS: 0x%hD : %w |\h32ST(0) :\l'
             db 'EAX : 0x%hD : %w |\h32ST(1) :\l'
             db 'EBX : 0x%hD : %w |\h32ST(2) :\l'
             db 'ECX : 0x%hD : %w |\h32ST(3) :\l'
             db 'EDX : 0x%hD : %w |\h32ST(4) :\l'
             db 'ESI : 0x%hD : %w |\h32ST(5) :\l'
             db 'EDI : 0x%hD : %w |\h32ST(6) :\l'
             db 'EBP : 0x%hD : %w |\h32ST(7) :\l'
             db 'ESP : 0x%hD : %w |\h32\l'
             db 'EIP : 0x%hD : %w |\h32\l'
             db 'CS  :     0x%hW :     %w |\h32\l'
             db 'DS  :     0x%hW :     %w |\h32\l'
             db 'ES  :     0x%hW :     %w |\h32\l'
             db 'FS  :     0x%hW :     %w |\h32\l'
             db 'GS  :     0x%hW :     %w |\h32\l'
             db 'SS  :     0x%hW :     %w |\h32\l',0


allregs regs <>

code_irqs:
call    [cs:mbfind],offset interruptionbloc
jc      erroronint
call [cs:print],offset irqmsg1
mov     es,ax
xor     ebx,ebx
intoirq:
xor     eax,eax
mov     al,[bx+offset irqmap]
mov     dx,size ints
mul     dx
mov     si,ax
pushd  [dword ptr es:(ints si).vector1.data.off]
pushd  [dword ptr es:(ints si).vector1.data.seg]
call   [cs:isrequestirq],bx
jc     requested
push   ' '
jmp    suiterequested
requested:
push   'X'
suiterequested:
call   [cs:isinserviceirq],bx
jc     inservice
push   ' '
jmp    suiteinservice
inservice:
push   'X'
suiteinservice:
call   [cs:isenableirq],bx
jc     activatemat
push   ' '
jmp    suiteactivatemat
activatemat:
push   'X'
suiteactivatemat:
cmp    [es:(ints si).activated],1
je     activate2
push   ' '
jmp    suiteactivate2
activate2:
push   'X'
suiteactivate2:
cmp    [es:(ints si).locked],1
je     verrouille2
push   ' '
jmp    suiteverrouille2
verrouille2:
push   'X'
suiteverrouille2:
pushd  [dword ptr es:(ints si).calledlow]
pushd  [dword ptr es:(ints si).calledhigh]
pushd  [dword ptr es:(ints si).launchedlow]
pushd  [dword ptr es:(ints si).launchedhigh]
push  3
xor   eax,eax
mov   al,[bx+offset irqmap]
push  eax
push  3
push  ebx
call [cs:print],offset irqmsg2
inc   bl
cmp   bl,16
jb    intoirq
ret


irqmap db 8,9,10,11,12,13,14,15,0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77
irqmsg1 db '\l\c02Listes des IRQs\c07\l\l'
       db 'IRQ | Int | Appels         | Executions     |Ver|Act|IMR|ISR|IRR| Vecteur 1 \l',0
irqmsg2 db '%w | %w | 0x%hW%hD | 0x%hW%hD | %c | %c | %c | %c | %c | 0x%hW:0x%hW\l',0

code_int:
call    [cs:mbfind],offset interruptionbloc
jc      erroronint
mov     es,ax
call    [cs:gettypeditem],di,0,' '
xor     edi,edi
mov     di,ax
mov     cx,size ints
mul     cx
mov     si,ax
pushd  [dword ptr es:(ints si).vector8.data.off]
pushd  [dword ptr es:(ints si).vector8.data.seg]
pushd  [dword ptr es:(ints si).vector7.data.off]
pushd  [dword ptr es:(ints si).vector7.data.seg]
pushd  [dword ptr es:(ints si).vector6.data.off]
pushd  [dword ptr es:(ints si).vector6.data.seg]
pushd  [dword ptr es:(ints si).vector5.data.off]
pushd  [dword ptr es:(ints si).vector5.data.seg]
pushd  [dword ptr es:(ints si).vector4.data.off]
pushd  [dword ptr es:(ints si).vector4.data.seg]
pushd  [dword ptr es:(ints si).vector3.data.off]
pushd  [dword ptr es:(ints si).vector3.data.seg]
pushd  [dword ptr es:(ints si).vector2.data.off]
pushd  [dword ptr es:(ints si).vector2.data.seg]
pushd  [dword ptr es:(ints si).vector1.data.off]
pushd  [dword ptr es:(ints si).vector1.data.seg]
pushd  [dword ptr es:(ints si).calledlow]
pushd  [dword ptr es:(ints si).calledhigh]
pushd  [dword ptr es:(ints si).launchedlow]
pushd  [dword ptr es:(ints si).launchedhigh]
cmp    [es:(ints si).activated],1
je     activate
push   offset resident
jmp    suiteactivate
activate:
push   offset nonresident
suiteactivate:
cmp    [es:(ints si).locked],1
je     verrouille
push   offset resident
jmp    suiteverrouille
verrouille:
push   offset nonresident
suiteverrouille:
push    esi
push    es
push    es
push    edi
call    [cs:print],offset infosint
ret
erroronint:   
        call    [cs:print],offset errorint
okint:
        ret
       
interruptionbloc db '/interrupts',0
errorint db '\c04Le gestionnaire d''interruption n''est pas actif\l\c07',0
infosint db '\c07Le bloc d''interruption est charge en memoire et le gestionnaire est actif\l\l'
         db 'Interruption %u\l'
         db 'Pointeur : 0x%hW:0x%hW\l\c07'
         db 'Active : %0\l'
         db 'Verrouillage : %0\l'
         db 'Nombre d''appels : 0x%hD%hD\l'
         db 'Nombre de lancements : 0x%hD%hD\l'
         db '\c02Vecteur 1 : 0x%hW:0x%hW\l'
         db 'Vecteur 2 : 0x%hW:0x%hW\l'
         db 'Vecteur 3 : 0x%hW:0x%hW\l'
         db 'Vecteur 4 : 0x%hW:0x%hW\l'
         db 'Vecteur 5 : 0x%hW:0x%hW\l'
         db 'Vecteur 6 : 0x%hW:0x%hW\l'
         db 'Vecteur 7 : 0x%hW:0x%hW\l'
         db 'Vecteur 8 : 0x%hW:0x%hW\l\c07',0

code_refresh:
        call    [cs:initdrive]
        jnc     okrefresh
        call    [cs:print],offset errorrefreshing
        ret
okrefresh:
        call    [cs:getserial] 
        push    eax
        mov     si,offset nomdisque
        call    [cs:getname],si 
        push    si
        push    offset present
        call    [cs:print]
        ret

errorrefreshing db '\c04Impossible de lire le support',0
extcom  db      '.CE',0

code_mem:    
        call    [cs:print],offset msg
        xor     ebx,ebx
        xor     cx,cx
listmcb:
        call    [cs:mbget],cx
        jc      fino
        dec     ax
        dec     ax
        mov     gs,ax
        inc     cx
        mov     dx,gs
        push    edx          ;Emplacement memoire hex 2
;parent
        cmp     [gs:mb.reference],0
        jne     next
        push    cs
        push    offset none        ;parent lstr0 2x2 
        add     bx,[gs:mb.sizes]
        jmp     suitemn
next:
        mov     dx,[gs:mb.reference]
        dec     dx
        dec     dx
        push    dx                    ;parent lstr0 2x2 
        push    offset (mb).names
suitemn:
        cmp     [gs: mb.isresident],true
        jne     notresident
        push    offset resident        ;resident str0 2 
        jmp     suitelistmcb
notresident:
        push    offset nonresident     ;resident str0 2
suitelistmcb:
        xor     edx,edx
        mov     dx,[gs: mb.sizes]
        shl     edx,4
        push    6                    ;decimal 4 + type 2
        push    edx
        push    gs                   ;nom lstr0 2x2 
        push    offset (mb).names
        push    offset line2         ;ligne
        call    [cs:print]
        jmp     listmcb
fino:
        shl     ebx,4
        push    ebx
        push    offset fin
        call    [cs:print]
        ret
resident db     "oui",0
nonresident db  "non",0
line2   db      "%0P\h15|%w\h25|%0\h30|%0P\h46|%hW\l",0
fin     db      "\l\l\c02%u octets de memoire disponible\l\c07",0
msg     db      "Plan de la memoire\l\lNom            | Taille  |Res |Parent         |Mem\l",0
none    db      ".",0


;converti le jeux scancode/ascii en fr ax->ax
convertfr:
        push    dx si
        mov     si,offset fr
searchtouch:
        mov     dx,[cs: si]
        cmp     dx,0
        je      endofconv
        add     si,4
        cmp     dx,ax
        jne     searchtouch
        mov     ax,[cs: si-2]
endofconv:
        pop     dx si
        ret

fr:     db      '1', 02, '&', 02
        db      '!', 02, '1', 02
        db      '2', 03, '‚', 03
        db      '@', 03, '2', 03
        db      '3', 04, '"', 04
        db      '#', 04, '3', 04
        db      '4', 05, 39, 05
        db      '$', 05, '4', 05
        db      '5', 06, '(', 06
        db      '%', 06, '5', 06
        db      '6', 07, '-', 07
        db      '^', 07, '6', 07
        db      '7', 08, 'Š', 08
        db      '&', 08, '7', 08
        db      '8', 09, '_', 09
        db      '*', 09, '8', 09
        db      '9', 10, '‡', 10
        db      '(', 10, '9', 10
        db      '0', 11, '…', 11
        db      ')', 11, '0', 11
        db      '-', 12, ')', 12
        db      '_', 12, '๘', 12
        db      'Q', 16, 'A', 16
        db      'q', 16, 'a', 16
        db      'W', 17, 'Z', 17
        db      'w', 17, 'z', 17
        db      '{', 26, '‰', 26
        db      '[', 26, 'ˆ', 26
        db      ']', 27, '$', 27
        db      '}', 27, 'œ', 27
        db      'A', 30, 'Q', 30
        db      'a', 30, 'q', 30
        db      ':', 39, 'M', 39
        db      ';', 39, 'm', 39
        db      39, 40, '—', 40
        db      '"', 40, '%', 40
        db      00, 40, '%', 40
        db      '\', 43, '*', 43
        db      '|', 43, 'ๆ', 43
        db      'Z', 44, 'W', 44
        db      'z', 44, 'w', 44
        db      'm', 50, ',', 50
        db      'M', 50, '?', 50
        db      ',', 51, ';', 51
        db      '<', 51, '.', 51
        db      '.', 52, ':', 52
        db      '>', 52, '/', 52
        db      '?', 53, '๕', 53
        db      '/', 53, '!', 53
        db      '\', 86, '<', 86
        db      '|', 86, '>', 86
        db      00, 79h, '~', 03
        db      00, 7ah, '#', 04
        db      00, 7bh, '{', 05
        db      00, 7ch, '[', 06
        db      00, 7dh, '|', 07
        db      00, 7eh, '`', 08
        db      00, 7fh, '\', 09
        db      00, 80h, '^', 10
        db      00, 81h, '@', 11
        db      00, 82h, ']', 12
        db      00, 83h, '}', 13
        db      00, 00, 00, 00

commands dw     str_exit ,code_exit ,syn_exit ,help_exit
dw      str_version,code_version,syn_version,help_version
dw      str_cls ,code_cls ,syn_cls ,help_cls
dw      str_reboot ,code_reboot ,syn_reboot ,help_reboot
dw      str_command,code_command,syn_command,help_command
dw      str_mode ,code_mode ,syn_mode ,help_mode
dw      str_dir ,code_dir ,syn_dir ,help_dir
dw      str_refresh ,code_refresh ,syn_refresh ,help_refresh
dw      str_cd ,code_cd ,syn_cd ,help_cd
dw      str_mem ,code_mem ,syn_mem ,help_mem
dw      str_kill ,code_kill ,syn_kill ,help_kill
dw      str_int ,code_int ,syn_int ,help_int
dw      str_irqs ,code_irqs,syn_irqs ,help_irqs
dw      str_regs ,code_regs,syn_regs ,help_regs
dw      str_stack,code_stack,syn_stack,help_stack
dw      str_dump,code_dump,syn_dump,help_dump
dw      0

str_exit db     'QUIT',0
str_version db  'VERS',0
str_cls db      'CLEAR',0
str_reboot db   'REBOOT',0
str_command db  'CMDS',0
str_mode db     'MODE',0
str_dir db      'DIR',0
str_refresh db  'DISK',0
str_cd  db      'CD',0
str_mem db      'MEM',0
str_kill db     'KILL',0
str_int db      'INT',0
str_irqs db      'IRQS',0
str_regs db     'REGS',0
str_stack db    'STACK',0
str_dump db     'DUMP',0

syn_exit db     0
syn_version db  0
syn_cls db      0
syn_reboot db   0
syn_command db  0
syn_mode db     'FFh',0
syn_dir db      0
syn_refresh db  0
syn_cd  db      '?',0
syn_mem db      0
syn_kill  db    '?',0
syn_int db     'FFh',0
syn_irqs db      0
syn_regs db     0
syn_stack db    0
syn_dump db     '?',0

help_exit db    'Permet de quitter l''interpreteur',0
help_version db 'Affiche la version de COS',0
help_cls db     'Efface l''ecran',0
help_reboot db  'Redemarre l''ordinateur',0
help_command db 'Affiche le detail des commandes',0
help_mode db    'Modifie le mode video en cours',0
help_dir db     'Affiche le contenu du repertoire courant',0
help_refresh db 'Lit le support disquette insere',0
help_cd db      'Change le repertoire courant',0
help_mem db     'Affiche le plan de la memoire',0
help_kill db    'Termine le processus cible',0
help_int  db    'Affiche des informations sur l''interruption',0
help_irqs  db    'Affiche des informations sur les IRQs',0
help_regs db    'Affiche les registres du microprocesseur',0
help_stack db   'Affiche la pile systeme',0
help_dump db    'Affiche le contenu de la memoire',0

derror  db      '\c04Erreur de Syntaxe !',0
error_syntax db '\c04La commande ou l''executable n''existe pas ! F1 pour %0',0
prompt  db      '\c07>',0
msginit db      '\m02\e\c07\l\lInterpreteur de commande COS V1.9\lSous license \c05GPL\c07 - Ecrit par \c04MrNop\l\c07Utilisez la commande CMDS pour connaitres les commandes disponibles\l',0


dir     db      32 dup (0)
buffer  db      256 dup (0)
temp    db      256 dup (0)

importing
use VIDEO,clearscreen
use VIDEO,setvideomode
use VIDEO,getxy
use VIDEO,setxy
use VIDEO,addline
use VIDEO.LIB,showhex
use VIDEO.LIB,print
use VIDEO.LIB,showchar
use DISQUE,getdir
use DISQUE,getserial
use DISQUE,getname
use DISQUE,findfirstfile
use DISQUE,findnextfile
use DISQUE,execfile
use DISQUE,initdrive
use DISQUE,changedir
use SYSTEME,mbget
use SYSTEME,mbfind
use SYSTEME,mbfindsb
use SYSTEME,mbfree
use SYSTEME,isenableirq
use SYSTEME,isinserviceirq
use SYSTEME,isrequestirq
use SYSTEME,savecontext
use STR0.LIB,uppercase
use STR0.LIB,evalue
use STR0.LIB,copy
use STR0.LIB,checksyntax
use STR0.LIB,searchchar
use STR0.LIB,concat
use STR0.LIB,getitem
use STR0.LIB,cmpstr
use STR0.LIB,getpointeritem
use STR0.LIB,getlength
use STR0.LIB,gettypeditem
endi