1561 lines
35 KiB
NASM
1561 lines
35 KiB
NASM
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.model tiny
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.486
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smart
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.code
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org 0100h
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start:
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jmp tsr ;Saute <20> la routine r<>sidente
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names db 'VIDEO' ;Nom drivers
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id dw 1234h ;Identifiant drivers
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Tsr:
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cli ;D<>sactive interruptions logiciellement
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cmp ax,cs:ID ;Compare si test de chargement
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jne nomore ;Si pas test alors on continu
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rol ax,3*4 ;Rotation de 3 chiffre de l'ID pour montrer que le drivers est charg<72>
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jmp itsok ;On termine l'int avec notre code d'ID preuve du bon chargement de VIDEO
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nomore:
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cmp ah,maxfunc
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jbe noerrorint
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stc
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jmp itsok
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noerrorint:
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clc
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push bx
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mov bl,ah ;On calcule d'apr<70>s le n<> de fonction
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xor bh,bh ;quel sera l'entr<74>e dans la table index<65>e
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shl bx,1 ;des adresses fonctions.
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mov bx,cs:[bx+tables] ;On r<>cup<75>re cette adresse depuis la table
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mov cs:current,bx ;On la stocke temporairement pour obtenir les registres d'origine
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pop bx
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clc
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call cs:current ;Puis on execute la fonction
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itsok:
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push bp
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mov bp,sp ;On prend sp dans bp pour adresser la pile
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jnc noerror ;La fonction appel<65>e a renvoyer une erreur : Flag CARRY ?
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or byte ptr [bp+6],1b;Si oui on le retranscrit sur le registre FLAG qui sera d<>pil<69> lors du IRET
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;xor eax,eax
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;mov ax,cs ;On r<>cup<75>re le segment et l'offset puis en renvoie l'adresse physique
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;shl eax,4 ;de l'erreur.
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;add ax,cs:current
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;jmp endofint ;on termine l'int
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noerror:
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and byte ptr [bp+6],0FEh;Si pas d'erreur on efface le Bit CARRY du FLAG qui sera d<>pil<69> lors du IRET
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endofint:
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pop bp
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sti ;On r<>active les interruptions logiciellement
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iret ;Puis on retourne au programme appelant.
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current dw 0 ;Mot temporaire qui contient l'adresse de la fonction appel<65>e
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tables dw setvideomode ;Table qui contient les adresses de toutes les fonctions de VIDEO (WORD)
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dw getvideomode
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dw clearscreen
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dw setfont
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dw loadfont
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dw showspace
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dw showline
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dw showchar
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dw showint
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dw showsigned
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dw showhex
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dw showbin
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dw showstring
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dw showstring0
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dw showcharat
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dw showintat
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dw showsignedat
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dw showhexat
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dw showbinat
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dw showstringat
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dw showstring0at
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dw setcolor
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dw getcolor
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dw scrolldown
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dw getxy
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dw setxy2
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dw savescreen
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dw restorescreen
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dw page2to1
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dw page1to2
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dw xchgPages
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dw savepage1
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dw changelineattr
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dw waitretrace
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dw getvgainfos
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dw loadbmppalet
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dw showbmp
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dw viewbmp
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dw savedac
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dw restoredac
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dw savestate
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dw restorestate
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dw enablescroll
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dw disablescroll
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;================================Table des modes videos (64 BYTES) ============================================
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;40*25 16 couleurs
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mode0 DB 67H,00H, 03H,08H,03H,00H,02H
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DB 2DH,27H,28H,90H,2BH,0A0H,0BFH,01FH,00H,4FH,0DH,0EH,00H,00H,00H,00H
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DB 9CH,8EH,8FH,14H,1FH,96H,0B9H,0A3H,0FFH
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DB 00H,00H,00H,00H,00H,10H,0EH,00H,0FFH
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DB 00H,01H,02H,03H,04H,05H,14H,07H,38H,39H,3AH,3BH,3CH,3DH,3EH,3FH
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DB 0CH,00H,0FH,08H,00H
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DB 40,25
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;80*25 16 couleurs
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mode1 DB 67H,00H, 03H,00H,03H,00H,02H
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DB 5FH,4FH,50H,82H,55H,81H,0BFH,1FH,00H,4FH,0DH,0EH,00H,00H,00H,00H
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DB 9CH,0EH,8FH,28H,1FH,96H,0B9H,0A3h,0FFH
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DB 00H,00H,00H,00H,00H,10H,0EH,00H,0FFH
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DB 00H,01H,02H,03H,04H,05H,14H,07H,38H,39H,3AH,3BH,3CH,3DH,3EH,3FH
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DB 0CH,00H,0FH,08H,00H
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DB 80,25
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;80*50 16 couleurs
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mode2 DB 63H, 00H, 03H,01H,03H,01H,02H
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DB 5FH,4FH,50H,82H,55H,81H,0BFH,1FH,00H,47H,06H,07H,00H,00H,00H
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DB 00H,9CH,8EH,8FH,28H,1FH,96H,0B9H,0A3H,0FFH
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DB 00H,00H,00H,00H,00H,10H,0EH,00H,0FFH
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DB 00H,01H,02H,03H,04H,05H,14H,07H,10H,11H,3AH,3BH,3CH,3DH,3EH,3FH
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DB 0CH,00H,0FH,00H,00H
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DB 80,50
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;100*50 16 couleurs
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mode3 DB 067H,00H,03H,01H,03H,01H,02H
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DB 70H,63H,64H,85H,68H,84H,0BFH,1FH,00H,47H,06H,07H,00H,00H,00H
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DB 00H,9Ch,08EH,8FH,32H,1FH,96H,0B9H,0A3H,0FFH
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DB 00H,00H,00H,00H,00H,10H,0EH,00H,0FFH
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DB 00H,01H,02H,03H,04H,05H,14H,07H,10H,11H,3AH,3BH,3CH,3DH,3EH,3FH
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DB 0CH,00H,0FH,00H,00H
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DB 100,50
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;100*60 16 couleurs
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mode4 DB 0A7H,00H,03H,01H,03H,01H,02H
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DB 70H,63H,64H,85H,68H,84H,0FFH,1FH,00H,47H,06H,07H,00H,00H,00H
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DB 00H,0E7H,8EH,0DFH,32H,1FH,0DFH,0E5H,0A3H,0FFH
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DB 00H,00H,00H,00H,00H,10H,0EH,00H,0FFH
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DB 00H,01H,02H,03H,04H,05H,14H,07H,10H,11H,3AH,3BH,3CH,3DH,3EH,3FH
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DB 0CH,00H,0FH,00H,00H
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DB 100,60
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;320*200 256 couleurs
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mode5 DB 63H, 00H, 03H,01H,0FH,00H,06H
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DB 5FH,4FH,50H,82H,54H,80H,0BFH,1FH,00H,41H,00H,00H,00H,00H,00H,00H
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DB 9CH,0EH,8FH,28H,00H,96H,0B9H,0E3H,0FFH
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DB 00H,00H,00H,00H,00H,40H,05H,0FH,0FFH
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DB 00H,01H,02H,03H,04H,05H,06H,07H,08H,09H,0AH,0BH,0CH,0DH,0EH,0FH
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DB 41H,00H,0FH,00H,00H
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DB 40,25
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;320*400 256 couleurs
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mode6 DB 063H, 00H, 03H,01H,0FH,00H,06H
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DB 5FH,4FH,50H,82H,54H,80H,0BFH,1FH,00H,40H,00H,00H,00H,00H,00H,00H
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DB 9CH,8EH,8FH,28H,00H,96H,0B9H,0E3H,0FFH
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DB 00H,00H,00H,00H,00H,40H,05H,0FH,0FFH
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DB 00H,01H,02H,03H,04H,05H,06H,07H,08H,09H,0AH,0BH,0CH,0DH,0EH,0FH
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DB 41H,00H,0FH,00H,00H
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DB 40,50
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;320*480 256 couleurs
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mode7 DB 0E3H, 00H, 03H,01H,0FH,00H,06H
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DB 5FH,4FH,50H,82H,54H,80H,0BH,3EH,00H,40H,00H,00H,00H,00H,00H,00H
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DB 0EAH,0ACH,0DFH,28H,00H,0E7H,06H,0E3H,0FFH
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DB 00H,00H,00H,00H,00H,40H,05H,0FH,0FFH
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DB 00H,01H,02H,03H,04h,05H,06H,07H,08H,09H,0AH,0BH,0CH,0DH,0EH,0FH
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DB 41H,00H,0FH,00H,00H
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DB 40,60
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;360*480 256 couleurs
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mode8 DB 0E7H, 00H, 03H,01H,0FH,00H,06H
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DB 6BH,59H,5AH,8EH,5EH,8AH,0DH,3EH,00H,40H,00H,00H,00H,00H,00H,00H
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DB 0EAH,0ACH,0DFH,2DH,00H,0E7H,06H,0E3H,0FFH
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DB 00H,00H,00H,00H,00H,40H,05H,0FH,0FFH
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DB 00H,01H,02H,03H,04h,05H,06H,07H,08H,09H,0AH,0BH,0CH,0DH,0EH,0FH
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DB 41H,00H,0FH,00H,00H
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DB 45,60
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;400*600 256 couleurs
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mode9 DB 0E7H, 00H, 03H,01H,0FH,00H,06H
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DB 74h,63h,64h,97h,68h,95h,86h,0F0h,00h,60h,00h,00h,00h,00h,00h,00h
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DB 5Bh,8Dh,57h,32h,00h,60h,80h,0E3h,0FFh
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DB 00H,00H,00H,00H,00H,40H,05H,0FH,0FFH
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DB 00H,01H,02H,03H,04h,05H,06H,07H,08H,09H,0AH,0BH,0CH,0DH,0EH,0FH
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DB 41H,00H,0FH,00H,00H
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DB 50,75
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DATABLOCKSIZE equ 40
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DATABLOCK equ $
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;============================================DATABLOCK=========================================================
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lines db 0
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columns db 0
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x db 0
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y db 0
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xy dw 0
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colors db 7
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mode db 0FFh
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pagesize dw 0
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pages db 0
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font db 0
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graphic db 0
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xg dw 0
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yg dw 0
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style dw 0
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nbpage db 0
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pagesshowed db 0
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plane db 0
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xyg dw 0
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linesize dw 0
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adress dw 0
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base dw 0
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scrolling db 1
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;=======================================Equivalence pour la clart<72> du code========================================
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Sequencer equ 03C4h
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misc equ 03C2h
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CCRT equ 03D4h
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Attribs equ 03C0h
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graphics equ 03CEh
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statut equ 03DAh
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maxfunc equ 43
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maxmode equ 9
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planesize equ 64000
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;============================================Fonctions de l'int VIDEO===========================================
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;=============ENABLESCROLLING (Fonction 02AH)=========
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;Autorise le d<>filement
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;-> AH=42
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;<-
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;=====================================================
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EnableScroll:
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mov cs:scrolling,1
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ret
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;=============DISABLESCROLLING (Fonction 2Bh)=========
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;D<>sactive le d<>filement
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;-> AH=43
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;<-
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;==============================================x=======
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DisableScroll:
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mov cs:scrolling,0
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ret
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;=============SetVideoMode (Fonction 00h)=========
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;Fixe le mode vid<69>o courant a AL
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;-> AH=0, AL mode d'<27>cran
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;<- Carry if error
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;=================================================
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setvideomode:
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push ax cx dx di
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cmp al,maxmode
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ja errorsetvideomode
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cmp cs:mode,0FFh
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jne noinit
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call initvideo
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noinit:
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mov cs:mode,al
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xor ah,ah
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mov di,ax
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shl di,6
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add di,offset mode0
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mov dx,misc
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mov al,cs:[di]
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out dx,al
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inc di
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mov dx,statut
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mov al,cs:[di]
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out dx,al
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inc di
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mov dx,sequencer
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xor ax,ax
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initsequencer:
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mov ah,cs:[di]
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out dx,ax
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inc al
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inc di
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cmp al,4
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jbe initsequencer
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mov ax,0E11h
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mov dx,ccrt
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out dx,ax
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xor ax,ax
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initcrt:
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mov ah,cs:[di]
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out dx,ax
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inc al
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inc di
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cmp al,24
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jbe initcrt
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mov dx,graphics
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xor ax,ax
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initgraphic:
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mov ah,cs:[di]
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out dx,ax
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inc al
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inc di
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cmp al,8
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jbe initgraphic
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mov dx,statut
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in al,dx
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mov dx,attribs
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xor ax,ax
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initattribs:
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mov ah,cs:[di]
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push ax
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in ax,dx
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pop ax
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out dx,al
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xchg ah,al
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out dx,al
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xchg ah,al
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inc al
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inc di
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cmp al,20
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jbe initattribs
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mov al,20h
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out dx,al
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mov al,cs:[di]
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mov cs:columns,al
|
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mov ah,cs:[di+1]
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mov cs:lines,ah
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mul ah
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shl ax,1
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cmp cs:mode,5
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setae cs:graphics
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jb istext
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shl ax,3
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istext:
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mov cs:pagesize,ax
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mov ax,planesize
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xor dx,dx
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div cs:pagesize
|
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mov cs:nbpage,al
|
|||
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mov al,cs:[di-36]
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xor ah,ah
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shl ax,2
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mov cl,cs:graphics
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shr ax,cl
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mov cs:linesize,ax
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mov ax,cs:[di-43]
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mov cs:adress,ax
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mov cs:base,ax
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mov cs:pages,0
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|||
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pop di dx cx ax
|
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ret
|
|||
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errorsetvideomode:
|
|||
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pop di dx cx ax
|
|||
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ret
|
|||
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|
|||
|
initvideo:
|
|||
|
push bx cx si ds
|
|||
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;xor bx,bx
|
|||
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;mov ds,bx
|
|||
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;lds si,ds:[43h*4]
|
|||
|
push cs
|
|||
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pop ds
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|||
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mov si,offset font8x8
|
|||
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mov cl,8
|
|||
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mov bl,1
|
|||
|
call loadfont
|
|||
|
mov cs:pagesize,64000
|
|||
|
call clearscreen
|
|||
|
pop ds si cx bx
|
|||
|
ret
|
|||
|
|
|||
|
;=============GetVideoMode (Fonction 01h)=========
|
|||
|
;Renvoie le mode vid<69>o courant dans AL
|
|||
|
;-> AH=1
|
|||
|
;<- AL mode d'<27>cran
|
|||
|
;=================================================
|
|||
|
getvideomode:
|
|||
|
mov al,cs:mode
|
|||
|
ret
|
|||
|
|
|||
|
;=============CLEARSCREEN (Fonction 02h)=========
|
|||
|
;Efface l'ecran graphique ou texte
|
|||
|
;-> AH=2
|
|||
|
;<-
|
|||
|
;================================================
|
|||
|
clearscreen:
|
|||
|
push eax cx dx di es
|
|||
|
mov cx,cs:pagesize
|
|||
|
mov di,cs:adress
|
|||
|
shr cx,2
|
|||
|
cmp byte ptr cs:graphics,1
|
|||
|
jne erasetext
|
|||
|
mov ax,0A000h
|
|||
|
mov es,ax
|
|||
|
erasegraph:
|
|||
|
mov ah,0
|
|||
|
gogot:
|
|||
|
push ax cx
|
|||
|
mov cl,ah
|
|||
|
mov ah,1
|
|||
|
shl ah,cl
|
|||
|
mov al,2
|
|||
|
mov dx,sequencer
|
|||
|
out dx,ax
|
|||
|
pop cx ax
|
|||
|
push si di cx eax
|
|||
|
mov eax,00000000h
|
|||
|
rep stosd
|
|||
|
pop eax cx di si
|
|||
|
inc ah
|
|||
|
cmp ah,3
|
|||
|
jbe gogot
|
|||
|
jmp enderase
|
|||
|
erasetext:
|
|||
|
mov ax,0B800h
|
|||
|
mov es,ax
|
|||
|
mov eax,07200720h
|
|||
|
cld
|
|||
|
rep stosd
|
|||
|
enderase:
|
|||
|
mov cs:x,0
|
|||
|
mov cs:y,0
|
|||
|
mov cs:xg,0
|
|||
|
mov cs:yg,0
|
|||
|
mov cs:xy,0
|
|||
|
mov cs:xyg,0
|
|||
|
mov cs:plane,0
|
|||
|
pop es di dx cx eax
|
|||
|
ret
|
|||
|
|
|||
|
|
|||
|
;=============SetFont (Fonction 03h)=========
|
|||
|
;Active la font cl parmi les 8
|
|||
|
;-> AH=3, CL n<> font
|
|||
|
;<- Carry if error
|
|||
|
;============================================
|
|||
|
setfont:
|
|||
|
push ax cx dx
|
|||
|
cmp cl,7
|
|||
|
ja errorsetfont
|
|||
|
mov cs:font,cl
|
|||
|
mov ah,cl
|
|||
|
and cl,11b
|
|||
|
and ah,0100b
|
|||
|
shl ah,2
|
|||
|
add ah,cl
|
|||
|
mov dx,sequencer
|
|||
|
mov al,3
|
|||
|
out dx,ax
|
|||
|
pop dx cx ax
|
|||
|
ret
|
|||
|
errorsetfont:
|
|||
|
pop dx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;=============GetFont (Fonction 0xh)=========
|
|||
|
;R<>cup<75>re le n<> de la font active
|
|||
|
;-> AH=x
|
|||
|
;<- CL n<> font, Carry if error
|
|||
|
;============================================
|
|||
|
Getfont:
|
|||
|
push ax cx dx
|
|||
|
cmp cl,7
|
|||
|
ja errorgetfont
|
|||
|
mov cs:font,cl
|
|||
|
mov ah,cl
|
|||
|
and cl,11b
|
|||
|
and ah,0100b
|
|||
|
shl ah,2
|
|||
|
add ah,cl
|
|||
|
mov dx,sequencer
|
|||
|
mov al,3
|
|||
|
out dx,ax
|
|||
|
pop dx cx ax
|
|||
|
ret
|
|||
|
errorgetfont:
|
|||
|
stc
|
|||
|
pop dx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;=============LoadFont (Fonction 04h)==========
|
|||
|
;Charge une police point<6E>e par ds:si dans la carte vid<69>o sous n<>font BL, taille police dans CL
|
|||
|
;-> AH=4, BL n<>font, DS:SI pointeur vers Font, CL taille police
|
|||
|
;<- Carry if error
|
|||
|
;===========================================
|
|||
|
loadfont:
|
|||
|
push ax bx cx dx si di es
|
|||
|
cmp bl,7
|
|||
|
ja errorloadfont
|
|||
|
xor di,di
|
|||
|
cli
|
|||
|
mov dx,sequencer
|
|||
|
doseq:
|
|||
|
mov ax,cs:[di+offset reg1]
|
|||
|
out dx,ax
|
|||
|
inc di
|
|||
|
inc di
|
|||
|
cmp di,6
|
|||
|
jbe doseq
|
|||
|
mov dx,graphics
|
|||
|
doseq2:
|
|||
|
mov ax,cs:[di+offset reg1]
|
|||
|
out dx,ax
|
|||
|
inc di
|
|||
|
inc di
|
|||
|
cmp di,6+6
|
|||
|
jbe doseq2
|
|||
|
sti
|
|||
|
mov ax,0A000h
|
|||
|
mov es,ax
|
|||
|
mov dx,256
|
|||
|
mov al,0
|
|||
|
xor bh,bh
|
|||
|
cmp bl,4
|
|||
|
jb isless
|
|||
|
sub bl,4
|
|||
|
shl bl,1
|
|||
|
inc bl
|
|||
|
jmp okmake
|
|||
|
isless:
|
|||
|
shl bl,1
|
|||
|
okmake:
|
|||
|
mov di,bx
|
|||
|
shl di,13
|
|||
|
mov bh,cl
|
|||
|
mov bl,cl
|
|||
|
sub bl,32
|
|||
|
neg bl
|
|||
|
xor cx,cx
|
|||
|
cld
|
|||
|
popz:
|
|||
|
mov cl,bh
|
|||
|
rep movsb
|
|||
|
mov cl,bl
|
|||
|
rep stosb
|
|||
|
dec dx
|
|||
|
jnz popz
|
|||
|
xor di,di
|
|||
|
mov dx,sequencer
|
|||
|
doseqs:
|
|||
|
mov ax,cs:[di+offset reg2]
|
|||
|
out dx,ax
|
|||
|
inc di
|
|||
|
inc di
|
|||
|
cmp di,6
|
|||
|
jbe doseqs
|
|||
|
mov dx,graphics
|
|||
|
doseqs2:
|
|||
|
mov ax,cs:[di+offset reg2]
|
|||
|
out dx,ax
|
|||
|
inc di
|
|||
|
inc di
|
|||
|
cmp di,6+6
|
|||
|
jbe doseqs2
|
|||
|
pop es di si dx cx bx ax
|
|||
|
ret
|
|||
|
errorloadfont:
|
|||
|
stc
|
|||
|
pop es di si dx cx bx ax
|
|||
|
ret
|
|||
|
reg2 dw 0100h, 0302h, 0304h, 0300h
|
|||
|
dw 0004h, 1005h, 0E06h
|
|||
|
reg1 dw 0100h, 0402h, 0704h, 0300h
|
|||
|
dw 0204h, 0005h, 0406h
|
|||
|
|
|||
|
;==========SHOWSPACE (Fonction 05h)===========
|
|||
|
;met un espace apr<70>s le curseur
|
|||
|
;-> AH=5
|
|||
|
;<-
|
|||
|
;=============================================
|
|||
|
showspace:
|
|||
|
push cx
|
|||
|
mov cl,' '
|
|||
|
mov ch,cs:colors
|
|||
|
call charout
|
|||
|
clc
|
|||
|
pop cx
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWLINE (Fonction 06h)===============
|
|||
|
;remet le curseur text a la ligne avec un retour chariot
|
|||
|
;-> AH=6
|
|||
|
;<-
|
|||
|
;================================================
|
|||
|
showline:
|
|||
|
push bx cx
|
|||
|
mov bl,cs:y
|
|||
|
xor bh,bh
|
|||
|
mov cl,cs:lines
|
|||
|
sub cl,2
|
|||
|
cmp bl,cl
|
|||
|
jne scro
|
|||
|
dec bl
|
|||
|
mov cx,1
|
|||
|
cmp byte ptr cs:graphics,0
|
|||
|
je okscro
|
|||
|
mov cx,8
|
|||
|
okscro:
|
|||
|
call scrolldown
|
|||
|
scro:
|
|||
|
inc bl
|
|||
|
call setxy2
|
|||
|
pop cx bx
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWCHAR (Fonction 07h)===========
|
|||
|
;met un caract<63>re de code ASCII DL apr<70>s le curseur
|
|||
|
;-> AH=7, DL code ASCII du caract<63>re
|
|||
|
;<-
|
|||
|
;============================================
|
|||
|
showchar:
|
|||
|
push cx
|
|||
|
mov cl,dl
|
|||
|
mov ch,cs:colors
|
|||
|
call charout
|
|||
|
pop cx
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWINT (Fonction 08h)===========
|
|||
|
;Affiche un entier EDX apr<70>s le curseur
|
|||
|
;-> AH=8, EDX un entier
|
|||
|
;<-
|
|||
|
;===========================================
|
|||
|
ShowInt:
|
|||
|
push eax bx cx edx esi
|
|||
|
xor cx,cx
|
|||
|
mov eax,edx
|
|||
|
mov esi,10
|
|||
|
mov bx,offset showbuffer+27
|
|||
|
decint:
|
|||
|
xor edx,edx
|
|||
|
div esi
|
|||
|
add dl,'0'
|
|||
|
inc cx
|
|||
|
mov cs:[bx],dl
|
|||
|
dec bx
|
|||
|
cmp ax,0
|
|||
|
jne decint
|
|||
|
mov ax,cx
|
|||
|
mov ch,cs:colors
|
|||
|
showinteger:
|
|||
|
inc bx
|
|||
|
mov cl,cs:[bx]
|
|||
|
call charout
|
|||
|
dec ax
|
|||
|
jnz showinteger
|
|||
|
pop esi edx cx bx eax
|
|||
|
ret
|
|||
|
|
|||
|
showbuffer db 35 dup (0FFh)
|
|||
|
|
|||
|
;==========SHOWSIGNED (Fonction 09h)===========
|
|||
|
;Affiche un entier EDX de taille CX apr<70>s le curseur
|
|||
|
;-> AH=9, EDX un entier, CX la taille
|
|||
|
;<-
|
|||
|
;==============================================
|
|||
|
Showsigned:
|
|||
|
push ebx edx
|
|||
|
mov ebx,edx
|
|||
|
xor edx,edx
|
|||
|
cmp cx,8
|
|||
|
ja signed16
|
|||
|
mov dl,bl
|
|||
|
cmp dl,7Fh
|
|||
|
jbe notsigned
|
|||
|
neg dl
|
|||
|
jmp showminus
|
|||
|
signed16:
|
|||
|
cmp cx,16
|
|||
|
ja signed32
|
|||
|
mov dx,bx
|
|||
|
cmp dx,7FFFh
|
|||
|
jbe notsigned
|
|||
|
neg dx
|
|||
|
jmp showminus
|
|||
|
signed32:
|
|||
|
mov edx,ebx
|
|||
|
cmp edx,7FFFFFFFh
|
|||
|
jbe notsigned
|
|||
|
neg edx
|
|||
|
showminus:
|
|||
|
push dx
|
|||
|
mov dl,'-'
|
|||
|
call showchar
|
|||
|
pop dx
|
|||
|
notsigned:
|
|||
|
call showint
|
|||
|
pop edx ebx
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWHEX (Fonction 0Ah)===========
|
|||
|
;Affiche un nombre hexad<61>cimal EDX de taille CX apr<70>s le curseur
|
|||
|
;-> AH=10, EDX un entier, CX la taille
|
|||
|
;<-
|
|||
|
;===========================================
|
|||
|
ShowHex:
|
|||
|
push ax bx cx edx
|
|||
|
mov ax,cx
|
|||
|
shr ax,2
|
|||
|
sub cx,32
|
|||
|
neg cx
|
|||
|
shl edx,cl
|
|||
|
mov ch,cs:colors
|
|||
|
Hexaize:
|
|||
|
rol edx,4
|
|||
|
mov bx,dx
|
|||
|
and bx,0fh
|
|||
|
mov cl,cs:[bx+offset Tab]
|
|||
|
call charout
|
|||
|
dec al
|
|||
|
jnz Hexaize
|
|||
|
pop edx cx bx ax
|
|||
|
ret
|
|||
|
Tab db '0123456789ABCDEF'
|
|||
|
|
|||
|
;==========SHOWBIN (Fonction 0Bh)===========
|
|||
|
;Affiche un nombre binaire EDX de taille CX apr<70>s le curseur
|
|||
|
;-> AH=11, EDX un entier, CX la taille
|
|||
|
;<-
|
|||
|
;===========================================
|
|||
|
Showbin:
|
|||
|
push ax cx edx
|
|||
|
mov ax,cx
|
|||
|
sub cx,32
|
|||
|
neg cx
|
|||
|
shl edx,cl
|
|||
|
mov ch,cs:colors
|
|||
|
binaize:
|
|||
|
rol edx,1
|
|||
|
mov cl,'0'
|
|||
|
adc cl,0
|
|||
|
call charout
|
|||
|
dec al
|
|||
|
jnz binaize
|
|||
|
pop edx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWBCD (Fonction 0xh)===========
|
|||
|
;Affiche un nombre en BCD EDX de taille CX apr<70>s le curseur
|
|||
|
;-> AH=x, EDX un entier, CX la taille
|
|||
|
;<-
|
|||
|
;===========================================
|
|||
|
ShowBCD:
|
|||
|
push ax cx edx
|
|||
|
mov ax,cx
|
|||
|
shr ax,2
|
|||
|
sub cx,32
|
|||
|
neg cx
|
|||
|
shl edx,cl
|
|||
|
mov ch,cs:colors
|
|||
|
BCDaize:
|
|||
|
rol edx,4
|
|||
|
mov cl,dl
|
|||
|
and cl,0fh
|
|||
|
add cl,'0'
|
|||
|
call charout
|
|||
|
dec al
|
|||
|
jnz BCDaize
|
|||
|
pop edx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWSTRING (Fonction 0Ch)===========
|
|||
|
;Affiche une chaine de caract<63>re point<6E>e par DS:SI apr<70>s le curseur
|
|||
|
;-> AH=12, DS:SI pointeur chaine type pascal
|
|||
|
;<-
|
|||
|
;==============================================
|
|||
|
showstring:
|
|||
|
push bx cx si
|
|||
|
mov bl,[si]
|
|||
|
mov ch,cs:colors
|
|||
|
strinaize:
|
|||
|
inc si
|
|||
|
mov cl,[si]
|
|||
|
call charout
|
|||
|
dec bl
|
|||
|
jnz strinaize
|
|||
|
pop si cx bx
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWSTRING0 (Fonction 0Dh)===========
|
|||
|
;Affiche une chaine de caract<63>re point<6E>e par DS:SI apr<70>s le curseur
|
|||
|
;-> AH=13, DS:SI pointeur chaine type z<>ro terminal
|
|||
|
;<-
|
|||
|
;===============================================
|
|||
|
showstring0:
|
|||
|
push cx si
|
|||
|
mov ch,cs:colors
|
|||
|
strinaize0:
|
|||
|
mov cl,[si]
|
|||
|
cmp cl,0
|
|||
|
je no0
|
|||
|
call charout
|
|||
|
inc si
|
|||
|
jmp strinaize0
|
|||
|
no0:
|
|||
|
pop si cx
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWCHARAT (Fonction 0Eh)===========
|
|||
|
;met un caract<63>re de code ASCII DL en (x;y) (BH;BL)
|
|||
|
;-> AH=14, DL code ASCII du caract<63>re, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;==============================================
|
|||
|
showcharat:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showchar
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWINTAT (Fonction 0Fh)===========
|
|||
|
;Affiche un entier EDX en (x;y) (BH;BL)
|
|||
|
;-> AH=15, EDX entier, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;==============================================
|
|||
|
showintat:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showint
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWSIGNEDAT (Fonction 10h)===========
|
|||
|
;Affiche un entier EDX de taille CX apr<70>s le curseur en (x;y) (BH;BL)
|
|||
|
;-> AH=16, EDX entier, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;==============================================
|
|||
|
showsignedat:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showsigned
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWHEXAT (Fonction 11h)===========
|
|||
|
;Affiche un nombre hexad<61>cimal EDX de taille CX en (x;y) (BH;BL)
|
|||
|
;-> AH=17, EDX un entier, CX la taille, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;==============================================
|
|||
|
showhexat:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showhex
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWBINAT (Fonction 012h)===========
|
|||
|
;Affiche un nombre binaire EDX de taille CX en (x;y) (BH;BL)
|
|||
|
;-> AH=18, EDX un entier, CX la taille, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;=============================================
|
|||
|
showbinat:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showbin
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWSTRINGAT (Fonction 13h)===========
|
|||
|
;Affiche une chaine de caract<63>re point<6E>e par DS:SI en (x;y) (BH;BL)
|
|||
|
;-> AH=19, DS:SI pointeur chaine type pascal, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;================================================
|
|||
|
showstringat:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showstring
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWSTRING0AT (Fonction 14h)===========
|
|||
|
;Affiche une chaine de caract<63>re point<6E>e par DS:SI en (x;y) (BH;BL)
|
|||
|
;-> AH=20, DS:SI pointeur chaine type z<>ro terminal, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;=================================================
|
|||
|
showstring0at:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
call showstring0
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SETCOLOR (Fonction 15h)=========
|
|||
|
;Change les attributs du texte a CL
|
|||
|
;-> AH=21 ,CL couleur
|
|||
|
;<-
|
|||
|
;=========================================
|
|||
|
setcolor:
|
|||
|
mov cs:colors,CL
|
|||
|
ret
|
|||
|
|
|||
|
;==========GETCOLOR (Fonction 16h)=========
|
|||
|
;R<>cup<75>re les attributs du texte dans CL
|
|||
|
;-> AH=22
|
|||
|
;<- CL couleur
|
|||
|
;=========================================
|
|||
|
getcolor:
|
|||
|
mov cl,cs:colors
|
|||
|
ret
|
|||
|
|
|||
|
;==========SETSTYLE (Fonction xh)=========
|
|||
|
;Change le style du texte a CL
|
|||
|
;-> AH=x ,CX style
|
|||
|
;<-
|
|||
|
;=========================================
|
|||
|
setstyle:
|
|||
|
mov cs:style,CX
|
|||
|
ret
|
|||
|
|
|||
|
;==========GETSTYLE (Fonction xh)=========
|
|||
|
;R<>cup<75>re le style du texte dans CL
|
|||
|
;-> AH=x
|
|||
|
;<- CX style
|
|||
|
;=========================================
|
|||
|
getstyle:
|
|||
|
mov cx,cs:style
|
|||
|
ret
|
|||
|
|
|||
|
;==========SCROLLDOWN (Fonction 17h)=========
|
|||
|
;defile de cx lines vers le bas
|
|||
|
;-> AH=23, CX lines <20> d<>filer vers le bas
|
|||
|
;<-
|
|||
|
;=============================
|
|||
|
scrolldown:
|
|||
|
push ax cx dx si di ds es
|
|||
|
cmp cs:scrolling,0
|
|||
|
je graphp
|
|||
|
mov ax,cx
|
|||
|
mul cs:linesize
|
|||
|
mov si,ax
|
|||
|
mov cx,cs:pagesize
|
|||
|
sub cx,si
|
|||
|
mov di,cs:adress
|
|||
|
cld
|
|||
|
cmp byte ptr cs:graphics,1
|
|||
|
jne textp
|
|||
|
mov ax,0A000h
|
|||
|
mov es,ax
|
|||
|
mov ds,ax
|
|||
|
shr cx,2
|
|||
|
transfert:
|
|||
|
mov ah,0
|
|||
|
gogo:
|
|||
|
push ax cx
|
|||
|
mov cl,ah
|
|||
|
mov ah,1
|
|||
|
shl ah,cl
|
|||
|
mov al,2
|
|||
|
mov dx,sequencer
|
|||
|
out dx,ax
|
|||
|
pop cx ax
|
|||
|
mov al,4
|
|||
|
mov dx,graphics
|
|||
|
out dx,ax
|
|||
|
push si di cx
|
|||
|
rep movsd
|
|||
|
pop cx di si
|
|||
|
inc ah
|
|||
|
cmp ah,3
|
|||
|
jbe gogo
|
|||
|
jmp graphp
|
|||
|
textp:
|
|||
|
mov ax,0B800h
|
|||
|
mov es,ax
|
|||
|
mov ds,ax
|
|||
|
rep movsb
|
|||
|
graphp:
|
|||
|
pop es ds di si dx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========GETXY (Fonction 18h)=========
|
|||
|
;Change les coordonn<6E>es du curseur a X:BH,Y:BL
|
|||
|
;-> AH=24
|
|||
|
;<- BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;=============================
|
|||
|
getxy:
|
|||
|
mov bh,cs:x
|
|||
|
mov bl,cs:y
|
|||
|
ret
|
|||
|
|
|||
|
;==========SETXY (Fonction 19h)=========
|
|||
|
;Change les coordonn<6E>es du curseur a X:BH,Y:BL
|
|||
|
;-> AH=25, BH coordonn<6E>es x, BL coordonn<6E>es y
|
|||
|
;<-
|
|||
|
;=====================================
|
|||
|
setxy:
|
|||
|
push ax bx cx dx
|
|||
|
mov cs:x,bh
|
|||
|
mov cs:y,bl
|
|||
|
mov al,bl
|
|||
|
mov bl,bh
|
|||
|
xor bh,bh
|
|||
|
mov di,cs:adress
|
|||
|
add di,bx
|
|||
|
mul cs:columns
|
|||
|
add di,ax
|
|||
|
shl di,1
|
|||
|
mov cs:xy,di
|
|||
|
cmp byte ptr cs:graphics,1
|
|||
|
jne oktext
|
|||
|
mov bl,cs:x
|
|||
|
mov cl,cs:y
|
|||
|
xor bh,bh
|
|||
|
xor ch,ch
|
|||
|
shl bx,3
|
|||
|
shl cx,3
|
|||
|
call setxyg
|
|||
|
jmp endofsetxy
|
|||
|
oktext:
|
|||
|
mov ax,0B800h
|
|||
|
mov es,ax
|
|||
|
endofsetxy:
|
|||
|
pop dx cx bx ax
|
|||
|
ret
|
|||
|
|
|||
|
setxy2:
|
|||
|
push es di
|
|||
|
call setxy
|
|||
|
pop di es
|
|||
|
ret
|
|||
|
|
|||
|
;==========SETXYG (Fonction 0xh)=========
|
|||
|
;Change les coordonn<6E>es du curseur graphique a X:BX,Y:CX
|
|||
|
;-> AH=x, BX coordonn<6E>es x, CX coordonn<6E>es y
|
|||
|
;<- ES:DI pointeur sur pixel avec plan de bit ajust<73>
|
|||
|
;======================================
|
|||
|
setxyg:
|
|||
|
push ax bx cx dx
|
|||
|
mov cs:xg,bx
|
|||
|
mov cs:yg,cx
|
|||
|
mov ax,cx
|
|||
|
mov cl,bl
|
|||
|
mul cs:linesize
|
|||
|
shr bx,2
|
|||
|
add ax,bx
|
|||
|
mov di,ax
|
|||
|
and cl,3
|
|||
|
mov ah,1
|
|||
|
shl ah,cl
|
|||
|
mov al,2
|
|||
|
mov dx, 3c4h
|
|||
|
out dx,ax
|
|||
|
mov cs:plane,cl
|
|||
|
mov cs:xyg,di
|
|||
|
mov ax,0A000h
|
|||
|
mov es,ax
|
|||
|
pop dx cx bx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWPIXEL (Fonction 0xh)=========
|
|||
|
;Affiche un pixel de couleur AL en X:BX,Y:CX
|
|||
|
;-> AH=x, BX coordonn<6E>es x, CX coordonn<6E>es y, AL couleur
|
|||
|
;<-
|
|||
|
;=========================================
|
|||
|
showpixel:
|
|||
|
push ax bx cx dx di bp es
|
|||
|
mov bp,ax
|
|||
|
mov ax,cx
|
|||
|
mov cl,bl
|
|||
|
mul cs:linesize
|
|||
|
shr bx,2
|
|||
|
add ax,bx
|
|||
|
mov di,ax
|
|||
|
add di,cs:adress
|
|||
|
and cl,3
|
|||
|
mov ah,1
|
|||
|
shl ah,cl
|
|||
|
mov al,2
|
|||
|
mov dx,sequencer
|
|||
|
out dx,ax
|
|||
|
mov bx,0A000h
|
|||
|
mov es,bx
|
|||
|
mov ax,bp
|
|||
|
mov es:[di],al
|
|||
|
pop es bp di dx cx bx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWPIXEL (Fonction 0xh)=========
|
|||
|
;R<>cup<75>re en al la couleur du pixel de coordonn<6E>es X:BX,Y:CX
|
|||
|
;-> AH=x, BX coordonn<6E>es x, CX coordonn<6E>es y, AL couleur
|
|||
|
;<-
|
|||
|
;=========================================
|
|||
|
getpixel:
|
|||
|
push ax bx cx dx di bp es
|
|||
|
mov bp,ax
|
|||
|
mov ax,cx
|
|||
|
mov cl,bl
|
|||
|
mul cs:linesize
|
|||
|
shr bx,2
|
|||
|
add ax,bx
|
|||
|
mov di,ax
|
|||
|
add di,cs:adress
|
|||
|
and cl,3
|
|||
|
mov ah,cl
|
|||
|
mov al,4
|
|||
|
mov dx,graphics
|
|||
|
out dx,ax
|
|||
|
mov bx,0A000h
|
|||
|
mov es,bx
|
|||
|
mov ax,bp
|
|||
|
|
|||
|
mov al,es:[di]
|
|||
|
pop es bp di dx cx bx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========LOADBMPPALET (Fonction 0xh)=========
|
|||
|
;Charge la palette du BMP point<6E>e par DS:SI
|
|||
|
;-> AH=x, DS:SI BMP
|
|||
|
;<-
|
|||
|
;=============================================
|
|||
|
loadbmppalet:
|
|||
|
push ax bx cx dx
|
|||
|
mov bx,0400h+36h-4
|
|||
|
mov cx,100h
|
|||
|
mov dx, 3c8h
|
|||
|
paletteload:
|
|||
|
mov al, cl
|
|||
|
dec al
|
|||
|
out dx, al
|
|||
|
inc dx
|
|||
|
mov al,[bx+si+2]
|
|||
|
shr al,2
|
|||
|
out dx, al
|
|||
|
mov al,[bx+si+1]
|
|||
|
shr al,2
|
|||
|
out dx, al
|
|||
|
mov al,[bx+si]
|
|||
|
shr al,2
|
|||
|
out dx, al
|
|||
|
sub bx,4
|
|||
|
dec dx
|
|||
|
dec cl
|
|||
|
jnz paletteload
|
|||
|
pop dx cx bx ax
|
|||
|
ret
|
|||
|
|
|||
|
;==========VIEWBMP (Fonction 0xh)=========
|
|||
|
;Affiche le BMP point<6E>e par DS:SI en X:BX, Y:CX avec la pr<70>paration de la palette
|
|||
|
;<- AH=x, DS:SI BMP, BX coordonn<6E>es X, CX coordonn<6E>es Y
|
|||
|
;->
|
|||
|
;=========================================
|
|||
|
viewbmp:
|
|||
|
call loadbmppalet
|
|||
|
call showbmp
|
|||
|
ret
|
|||
|
|
|||
|
;==========SHOWBMP (Fonction 0xh)=========
|
|||
|
;Affiche le BMP point<6E>e par DS:SI en X:BX, Y:CX
|
|||
|
;<- AH=x, DS:SI BMP, BX coordonn<6E>es X, CX coordonn<6E>es Y
|
|||
|
;->
|
|||
|
;=========================================
|
|||
|
showbmp:
|
|||
|
push ax bx cx dx
|
|||
|
mov cs:xc,bx
|
|||
|
mov cs:yc,cx
|
|||
|
xor cx,cx
|
|||
|
xor bx,bx
|
|||
|
xor dx,dx
|
|||
|
bouclette:
|
|||
|
mov al,[si+bx+436h]
|
|||
|
push bx cx
|
|||
|
sub cx,cs:yc
|
|||
|
neg cx
|
|||
|
mov bx,dx
|
|||
|
add bx,cs:xc
|
|||
|
call showpixel
|
|||
|
pop cx bx
|
|||
|
inc bx
|
|||
|
inc dx
|
|||
|
cmp dx,[si+offset BMP_width]
|
|||
|
jb bouclette
|
|||
|
xor dx,dx
|
|||
|
inc cx
|
|||
|
cmp cx,[si+offset BMP_height]
|
|||
|
jb bouclette
|
|||
|
pop dx cx bx ax
|
|||
|
ret
|
|||
|
xc dw 0
|
|||
|
yc dw 0
|
|||
|
|
|||
|
;==========GETVGAINFO (Fonction 0xh)=========
|
|||
|
;Renvoie un bloc de donn<6E>e en ES:DI sur l'<27>tat de la carte graphique
|
|||
|
;<- AH=x, ES:DI pointeur
|
|||
|
;->
|
|||
|
;=============================================
|
|||
|
Getvgainfos:
|
|||
|
push cx si di ds
|
|||
|
push cs
|
|||
|
pop ds
|
|||
|
mov cx,datablocksize
|
|||
|
mov si,offset datablock
|
|||
|
cld
|
|||
|
rep movsb
|
|||
|
pop ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;==========WAITRETRACE (Fonction 0xh)=========
|
|||
|
;Synchronisation avec la retrace verticale
|
|||
|
;<- AH=x
|
|||
|
;->
|
|||
|
;=============================================
|
|||
|
waitretrace:
|
|||
|
push ax dx
|
|||
|
mov dx,3DAh
|
|||
|
waitr:
|
|||
|
in al,dx
|
|||
|
test al,8
|
|||
|
jz waitr
|
|||
|
pop dx ax
|
|||
|
ret
|
|||
|
|
|||
|
;Ecrit le caract<63>re ASCII CL attribut CH apr<70>s le curseur, en le mettant <20> jours
|
|||
|
charout:
|
|||
|
push ax bx cx dx di es
|
|||
|
cmp byte ptr cs:graphics,1
|
|||
|
jne textaccess
|
|||
|
mov dx,cx
|
|||
|
mov di,dx
|
|||
|
and di,11111111b
|
|||
|
shl di,3
|
|||
|
add di,offset font8x8
|
|||
|
xor bx,bx
|
|||
|
xor cx,cx
|
|||
|
mov ah,cs:[di]
|
|||
|
bouclet:
|
|||
|
mov al,dh
|
|||
|
rol ah,1
|
|||
|
jc colored
|
|||
|
shr al,4
|
|||
|
bt word ptr cs:style,0
|
|||
|
jc transparent
|
|||
|
colored:
|
|||
|
and al,1111b
|
|||
|
push bx cx
|
|||
|
add cx,cs:yg
|
|||
|
add bx,cs:xg
|
|||
|
call showpixel
|
|||
|
pop cx bx
|
|||
|
transparent:
|
|||
|
inc bx
|
|||
|
cmp bx,8
|
|||
|
jb bouclet
|
|||
|
xor bx,bx
|
|||
|
inc di
|
|||
|
mov ah,cs:[di]
|
|||
|
inc cx
|
|||
|
cmp cx,8
|
|||
|
jb bouclet
|
|||
|
add cs:xg,8
|
|||
|
mov cx,cs:linesize
|
|||
|
shl cx,2
|
|||
|
cmp cs:xg,cx
|
|||
|
jb adjusttext
|
|||
|
mov cs:xg,0
|
|||
|
add cs:yg,8
|
|||
|
jmp adjusttext
|
|||
|
textaccess:
|
|||
|
mov ax,0B800h
|
|||
|
mov es,ax
|
|||
|
mov di,cs:xy
|
|||
|
mov es:[di],cx
|
|||
|
add cs:xy,2
|
|||
|
adjusttext:
|
|||
|
inc cs:x
|
|||
|
mov cl,cs:columns
|
|||
|
cmp cs:x,cl
|
|||
|
jb noadjusted
|
|||
|
call showline
|
|||
|
noadjusted:
|
|||
|
;mov dx,3D4h
|
|||
|
;mov al,0Eh
|
|||
|
;mov di,offset xy
|
|||
|
;mov ah,cs:[di]
|
|||
|
;out dx,ax
|
|||
|
;mov ah,cs:[di+1]
|
|||
|
;dec al
|
|||
|
;out dx,ax
|
|||
|
pop es di dx cx bx ax
|
|||
|
ret
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
;===================================sauve l'ecran rapidement================
|
|||
|
SaveScreen:
|
|||
|
push cx si di ds es
|
|||
|
mov cx,0B800H
|
|||
|
mov ds,cx
|
|||
|
push cs
|
|||
|
pop es
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
xor si,si
|
|||
|
mov di,offset Copy2
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop es ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===================================sauve l'ecran rapidement en es:di================
|
|||
|
SaveScreento:
|
|||
|
push cx si di ds
|
|||
|
mov cx,0B800H
|
|||
|
mov ds,cx
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
xor si,si
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===================================sauve l'ecran rapidement================
|
|||
|
Savepage1:
|
|||
|
push cx si di ds es
|
|||
|
mov cx,0B800H
|
|||
|
mov ds,cx
|
|||
|
push cs
|
|||
|
pop es
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
xor si,si
|
|||
|
mov di,offset Copy
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop es ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===================================sauve l'ecran rapidement================
|
|||
|
RestoreScreen:
|
|||
|
push cx si di ds es
|
|||
|
mov cx,0B800H
|
|||
|
mov es,cx
|
|||
|
push cs
|
|||
|
pop ds
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
mov si,offset Copy2
|
|||
|
xor di,di
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop es ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===================================restore l'ecran rapidement de ds:si================
|
|||
|
RestoreScreenfrom:
|
|||
|
push cx si di ds es
|
|||
|
mov cx,0B800H
|
|||
|
mov es,cx
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
xor di,di
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop es ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===============================Page2to1============================
|
|||
|
Page2to1:
|
|||
|
push cx si di ds es
|
|||
|
mov cx,0B800H
|
|||
|
mov es,cx
|
|||
|
mov ds,cx
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
mov si,4000
|
|||
|
xor di,di
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop es ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===============================Page1to2============================
|
|||
|
Page1to2:
|
|||
|
push cx si di ds es
|
|||
|
mov cx,0B800H
|
|||
|
mov es,cx
|
|||
|
mov ds,cx
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
mov di,4000
|
|||
|
xor si,si
|
|||
|
cld
|
|||
|
rep movsd
|
|||
|
pop ds es di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;===============================xchgPages============================
|
|||
|
xchgPages:
|
|||
|
push cx si di ds es
|
|||
|
call savepage1
|
|||
|
call page2to1
|
|||
|
mov cx,0B800H
|
|||
|
mov es,cx
|
|||
|
push cs
|
|||
|
pop ds
|
|||
|
mov cx,cs:pagesize
|
|||
|
shr cx,2
|
|||
|
mov si,offset Copy
|
|||
|
mov di,4000
|
|||
|
rep movsd
|
|||
|
pop es ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;Sauve l'<27>tat de la carte en es:di
|
|||
|
savestate:
|
|||
|
push cx si di ds
|
|||
|
push cs
|
|||
|
pop ds
|
|||
|
mov cx,datablocksize
|
|||
|
mov si,offset lines
|
|||
|
cld
|
|||
|
rep movsb
|
|||
|
call savescreento
|
|||
|
pop ds di si cx
|
|||
|
ret
|
|||
|
|
|||
|
;R<>cup<75>re l'<27>tat de la carte en ds:si
|
|||
|
restorestate:
|
|||
|
push ax cx si di es
|
|||
|
mov al,[si+7]
|
|||
|
cmp cs:mode,al
|
|||
|
je nochangemode
|
|||
|
mov ah,0
|
|||
|
call setvideomode
|
|||
|
nochangemode:
|
|||
|
push cs
|
|||
|
pop es
|
|||
|
mov cx,datablocksize
|
|||
|
mov di,offset lines
|
|||
|
cld
|
|||
|
rep movsb
|
|||
|
call restorescreenfrom
|
|||
|
pop es di si cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;sauve le DAC
|
|||
|
savedac:
|
|||
|
push ax cx dx di
|
|||
|
mov dx,3C7h
|
|||
|
xor ax,ax
|
|||
|
out dx,al
|
|||
|
mov cx,256*3
|
|||
|
inc dx
|
|||
|
inc dx
|
|||
|
mov di,offset dac
|
|||
|
save:
|
|||
|
in al,dx
|
|||
|
mov cs:[di],al
|
|||
|
inc di
|
|||
|
dec cx
|
|||
|
jne save
|
|||
|
pop di dx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;restore le DAC
|
|||
|
restoredac:
|
|||
|
push ax cx dx si
|
|||
|
xor ax,ax
|
|||
|
cli
|
|||
|
mov dx,3DAh
|
|||
|
in al,dx
|
|||
|
mov dx,0
|
|||
|
out dx,al
|
|||
|
mov dx,3C8h
|
|||
|
out dx,al
|
|||
|
mov cx,256*3
|
|||
|
mov si,offset dac
|
|||
|
save2:
|
|||
|
mov al,cs:[si]
|
|||
|
inc si
|
|||
|
out dx,al
|
|||
|
dec cx
|
|||
|
jne save2
|
|||
|
mov dx,3DAh
|
|||
|
in al,dx
|
|||
|
mov dx,32
|
|||
|
out dx,al
|
|||
|
pop si dx cx ax
|
|||
|
ret
|
|||
|
|
|||
|
;couleur al pour ligne di
|
|||
|
changelineattr:
|
|||
|
push ax bx di es
|
|||
|
mov bx,ax
|
|||
|
mov ax,0B800h
|
|||
|
mov es,ax
|
|||
|
mov ax,di
|
|||
|
mul cs:columns
|
|||
|
mov di,ax
|
|||
|
shl di,1
|
|||
|
mov al,cs:columns
|
|||
|
inc di
|
|||
|
popep:
|
|||
|
mov es:[di],bl
|
|||
|
add di,2
|
|||
|
dec al
|
|||
|
jnz popep
|
|||
|
pop es di bx ax
|
|||
|
ret
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
|
|||
|
BMP_File struc
|
|||
|
BMP_FileType db 'BM'
|
|||
|
BMP_FileSize dd ? ; taille du fichier
|
|||
|
BMP_Reserved dd 0 ; toujours 0
|
|||
|
BMP_BitMapOffset dd ? ; offset de l'image
|
|||
|
BMP_HeaderSize dd ? ; taille de l'entete en octects
|
|||
|
BMP_Width dd ? ; largeur en pixels de l'image
|
|||
|
BMP_Height dd ? ; hauteur en pixels de l'image
|
|||
|
BMP_Planes dw 1 ; nombre de plan utilis<69>s
|
|||
|
BMP_BitsPerPixel dw ? ; nombre de bits par pixels
|
|||
|
BMP_Compression dd ? ; m<>thode de compression
|
|||
|
BMP_SizeOfBitMap dd ? ; taille de l'image en octects
|
|||
|
BMP_HorzResolution dd ? ; resolution horizontale en pixels par m<>tre
|
|||
|
BMP_VertResolution dd ? ; resolution verticale en pixels par m<>tre
|
|||
|
BMP_ColorsUsed dd ? ; nombre de couleur dans la palette si 0: palette enti<74>re si BitPerPixel<=8
|
|||
|
BMP_ColorsImportant dd ? ; nombre de couleurs importantes masques pour les modes de plus de 8 bits par pixels
|
|||
|
BMP_RedMask dd ?
|
|||
|
BMP_GreenMask dd ?
|
|||
|
BMP_BlueMask dd ?
|
|||
|
BMP_AlphaMask dd ?
|
|||
|
BMP_ColorSpaceType dd ?
|
|||
|
BMP_RedX dd ?
|
|||
|
BMP_RedY dd ?
|
|||
|
BMP_RedZ dd ?
|
|||
|
BMP_GreenX dd ?
|
|||
|
BMP_GreenY dd ?
|
|||
|
BMP_GreenZ dd ?
|
|||
|
BMP_BlueX dd ?
|
|||
|
BMP_BlueY dd ?
|
|||
|
BMP_BlueZ dd ?
|
|||
|
BMP_GammaRed dd ?
|
|||
|
BMP_GammaGreen dd ?
|
|||
|
BMP_GammeBlue dd ?
|
|||
|
BMP_file ends
|
|||
|
|
|||
|
;BMP_Compression peut prendre les valeurs suivantes:
|
|||
|
BMP_COMP_UNCOMP equ 0 ; pas de compression
|
|||
|
BMP_COMP_RLE8 equ 1 ; 8-bit run length encoding
|
|||
|
BMP_COMP_RLE4 equ 2 ; 4-bit tun length encoding
|
|||
|
BMP_COMP_BFE equ 3 ; bitfields encoding
|
|||
|
|
|||
|
|
|||
|
font8x8 equ $
|
|||
|
copy equ $+3000
|
|||
|
copy2 equ $+8000
|
|||
|
dac equ $+16000
|
|||
|
end start
|