cos2000v1/lib/video.asm

860 lines
17 KiB
NASM

use16
align 1
include "..\include\mem.h"
org 0h
header exe 1
exporting
declare print
declare showdate
declare showtime
declare showname
declare showattr
declare showsize
declare showspace
declare showint
declare showsigned
declare showhex
declare showbin
declare showbcd
declare showstring
declare showstring0
declare showintr
declare showintl
declare showchar
ende
importing
use VIDEO,addline
use VIDEO,setcolor
use VIDEO,getxy
use VIDEO,setxy
use VIDEO,setvideomode
use VIDEO,setfont
use VIDEO,clearscreen
use VIDEO,enablescroll
use VIDEO,disablescroll
use VIDEO,showchars
use VIDEO,savestate
use VIDEO,restorestate
endi
;================PRINT==============
;Affiche la chaine %0 en utilisant les parametres de formatage %x....%x
;-> %0 %x
;<-
;===================================
proc print pointer:word
push ax bx cx si di
xor di,di
mov si,[pointer]
.strinaize0:
mov cl,[si]
cmp cl,0
je .no0
cmp cl,'%'
je .special
cmp cl,'\'
je .special2
.showit:
xor ch,ch
invoke showchars,cx,0FFFFh
inc si
jmp .strinaize0
.special:
cmp byte [si+1],'%'
jne .notshowit
inc si
jmp .showit
.notshowit:
mov cl,byte [si+1]
cmp cl,'c'
je .showchars
cmp cl,'u'
je .showint
cmp cl,'v'
je .showfixint
cmp cl,'w'
je .showintr
cmp cl,'i'
je .showsigned
cmp cl,'h'
je .showhex
cmp cl,'b'
je .showbin
cmp cl,'s'
je .showstring
cmp cl,'0'
je .showstring0
cmp cl,'y'
je .showbcd
cmp cl,'z'
je .showsize
cmp cl,'a'
je .showattr
cmp cl,'n'
je .showname
cmp cl,'t'
je .showtime
cmp cl,'d'
je .showdate
clc
jmp .no0
.showchars:
cmp byte [si+2],'M'
je .showmultchar
invoke showchars,word [pointer+di+2],0FFFFh
add si,2
add di,2
jmp .strinaize0
.showmultchar:
mov cx,[pointer+di+2+2]
cmp cx,0
je .nextfunc
.showcharsx:
invoke showchars,word [pointer+di+2],0FFFFh
dec cx
jnz .showcharsx
.nextfunc:
add si,3
add di,4
jmp .strinaize0
.showint:
stdcall showint,dword [pointer+di+2]
add si,2
add di,4
jmp .strinaize0
.showfixint:
stdcall showintl,word [pointer+di+6],dword [pointer+di+2]
add di,6
add si,2
jmp .strinaize0
.showintr:
stdcall showintr,word [pointer+di+6],dword [pointer+di+2]
add di,6
add si,2
jmp .strinaize0
.showsigned:
call .Chosesize
stdcall showsigned
jmp .strinaize0
.showhex:
call .Chosesize
stdcall showhex
jmp .strinaize0
.showbin:
call .Chosesize
stdcall showbin
jmp .strinaize0
.showstring:
cmp byte [si+2],'P'
je .showstring.pointer
stdcall showstring,word [pointer+di+2]
add si,2
add di,2
jmp .strinaize0
.showstring.pointer:
push ds
mov ds,[pointer+di+2+2]
stdcall showstring,word [pointer+di+2]
add si,3
add di,4
pop ds
jmp .strinaize0
.showstring0:
cmp byte [si+2],'P'
je .showstring0.pointer
stdcall showstring0,word [pointer+di+2]
add si,2
add di,2
jmp .strinaize0
.showstring0.pointer:
push ds
mov ds,[pointer+di+2+2]
stdcall showstring0,word [pointer+di+2]
add si,3
add di,4
pop ds
jmp .strinaize0
.showbcd:
call .Chosesize
stdcall showbcd
jmp .strinaize0
.showsize:
stdcall showsize,dword [pointer+di+2]
add si,2
add di,4
jmp .strinaize0
.showattr:
stdcall showattr,word [pointer+di+2]
add si,2
add di,2
jmp .strinaize0
.showname:
stdcall showname,word [pointer+di+2]
add si,2
add di,2
jmp .strinaize0
.showtime:
stdcall showtime,word [pointer+di+2]
add si,2
add di,2
jmp .strinaize0
.showdate:
stdcall showdate,word [pointer+di+2]
add si,2
add di,2
jmp .strinaize0
.Chosesize:
pop cx
push dword [pointer+di+2]
add di,4
cmp byte [si+2],'B'
je .byte
cmp byte [si+2],'W'
je .word
cmp byte [si+2],'D'
je .dword
dec si
.word:
push 16
add si,3
push cx
ret
.byte:
push 8
add si,3
push cx
ret
.dword:
push 32
add si,3
push cx
ret
.special2:
cmp byte [si+1],'\'
jne .notshowit2
inc si
jmp .showit
.notshowit2:
mov cl,byte [si+1]
cmp cl,'l'
je .showline
cmp cl,'g'
je .goto
cmp cl,'h'
je .gotox
cmp cl,'c'
je .color
cmp cl,'m'
je .setvideomode
cmp cl,'e'
je .clearscreen
cmp cl,'s'
je .savestate
cmp cl,'r'
je .restorestate
cmp cl,'i'
je .enablescroll
cmp cl,'j'
je .disablescroll
cmp cl,'f'
je .setfont
clc
jmp .no0
.color:
mov al,[si+2]
sub al,'0'
shl al,4
add al,[si+3]
sub al,'0'
xor ah,ah
invoke setcolor,ax
add si,4
jmp .strinaize0
.gotox:
mov bh,[si+2]
sub bh,'0'
mov bl,bh
shl bl,3
add bl,bh
add bl,bh
add bl,[si+3]
sub bl,'0'
xor bh,bh
invoke getxy
xor ah,ah
invoke setxy,bx,ax
add si,4
jmp .strinaize0
.setvideomode:
mov ah,[si+2]
sub ah,'0'
mov al,ah
shl al,3
add al,ah
add al,ah
add al,[si+3]
sub al,'0'
xor ah,ah
invoke setvideomode,ax
add si,4
jmp .strinaize0
.setfont:
mov ah,[si+2]
sub ah,'0'
mov al,ah
shl al,3
add al,ah
add al,ah
add al,[si+3]
sub al,'0'
xor ah,ah
invoke setfont,ax
add si,4
jmp .strinaize0
.showline:
invoke addline
add si,2
jmp .strinaize0
.clearscreen:
invoke clearscreen
add si,2
jmp .strinaize0
.savestate:
invoke savestate
add si,2
jmp .strinaize0
.restorestate:
invoke restorestate
add si,2
jmp .strinaize0
.enablescroll:
invoke enablescroll
add si,2
jmp .strinaize0
.disablescroll:
invoke disablescroll
add si,2
jmp .strinaize0
.goto:
mov ah,[si+2]
sub ah,'0'
mov al,ah
shl al,3
add al,ah
add al,ah
add al,[si+3]
sub al,'0'
xor ah,ah
;
mov bh,[si+5]
sub bh,'0'
mov bl,bh
shl bl,3
add bl,bh
add bl,bh
add bl,[si+6]
sub bl,'0'
xor bh,bh
invoke setxy,ax,bx
add si,7
jmp .strinaize0
.no0:
add di,bp
mov ax,[ss:bp] ;BP
mov bx,[ss:bp+2] ;IP
mov cx,[ss:bp+4] ;CS
mov [ss:di],ax
mov [ss:di+2],bx
mov [ss:di+4],cx
mov bp,di
pop di si cx bx ax
mov sp,bp
retf
endp
;================SHOWDATE==============
;Affiche la date contenu en %0
;-> %0
;<-
;======================================
proc showdate uses edx, dates:word
xor edx,edx
mov dx,[dates]
and dx,11111b
stdcall showintl,2,edx
invoke showchars,'/',0FFFFh
mov dx,[dates]
shr dx,5
and dx,111b
stdcall showintl,2,edx
invoke showchars,'/',0FFFFh
mov dx,[dates]
shr dx,8
and dx,11111111b
add dx,1956
stdcall showintl,2,edx
retf
endp
;================SHOWTIME==============
;Affiche l'heure contenu en %0
;-> %0
;<-
;======================================
proc showtime uses edx, times:word
xor edx,edx
mov dx,[times]
shr dx,11
and dx,11111b
stdcall showintl,2,edx
invoke showchars,':',0FFFFh
mov dx,[times]
shr dx,5
and dx,111111b
stdcall showintl,2,edx
invoke showchars,':',0FFFFh
mov dx,[times]
and dx,11111b
shl dx,1
stdcall showintl,2,edx
retf
endp
;================SHOWNAME==============
;Affiche le nom pointe par ds:%0
;-> ds:%0
;<-
;======================================
proc showname uses cx si, thename:word
mov si,[thename]
xor cx,cx
.showthename:
invoke showchars,word [ds:si],0FFFFh
inc si
inc cx
cmp cx,8
jne .suiteaname
invoke showchars,' ',0FFFFh
.suiteaname:
cmp cx,8+3
jb .showthename
retf
endp
;================SHOWATTR==============
;Affiche les attributs specifie par %0
;-> %0
;<-
;======================================
proc showattr, attr:word
push 0FFFFh
test [attr],00000001b
je .noreadonly
push 'L'
jmp .readonly
.noreadonly:
push '-'
.readonly:
invoke showchars
push 0FFFFh
test [attr],00000010b
je .nohidden
push 'C'
jmp .hidden
.nohidden:
push '-'
.hidden:
invoke showchars
push 0FFFFh
test [attr],00000100b
je .nosystem
push 'S'
jmp .system
.nosystem:
push '-'
.system:
invoke showchars
push 0FFFFh
test [attr],00100000b
je .noarchive
push 'A'
jmp .archive
.noarchive:
push '-'
.archive:
invoke showchars
push 0FFFFh
test [attr],00010000b
je .nodirectory
push 'R'
jmp .directory
.nodirectory:
push '-'
.directory:
invoke showchars
retf
endp
;================SHOWSIZE==============
;Affiche le nom pointe par %0
;-> %0
;<-
;======================================
proc showsize uses edx ds, thesize:dword
push cs
pop ds
mov edx,[thesize]
cmp edx,1073741824
ja .giga
cmp edx,1048576*9
ja .mega
cmp edx,1024*9
ja .kilo
stdcall showintr,4,edx
stdcall showstring0,unit
jmp .finsize
.kilo:
shr edx,10
stdcall showintr,4,edx
stdcall showstring0,unitkilo
jmp .finsize
.mega:
shr edx,20
stdcall showintr,4,edx
stdcall showstring0,unitmega
jmp .finsize
.giga:
shr edx,30
stdcall showintr,4,edx
stdcall showstring0,unitgiga
.finsize:
retf
unit db ' o ',0
unitkilo db ' ko',0
unitmega db ' mo',0
unitgiga db ' go',0
endp
;==========SHOWSPACE===========
;met un espace apres le curseur
;->
;<-
;==============================
proc showspace
invoke showchars,' ',0FFFFh
clc
retf
endp
;==========SHOWINT===========
;Affiche un entier %0 apres le curseur
;-> %0
;<-
;============================
proc showint uses eax bx cx edx esi, integer:dword
local showbuffer[50]:BYTE
xor cx,cx
mov eax,[integer]
mov esi,10
lea bx,[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
.showinteger:
inc bx
mov cl,[cs:bx]
invoke showchars,cx,0FFFFh
dec ax
jnz .showinteger
retf
endp
;==========SHOWINTL===========
;Affiche un entier %0 apres le curseur de taille %1 caractere centre a gauche
;-> %0 un entier % taille en caracteres
;<-
;===============================
proc showintl uses eax bx cx edx esi di, sizeofint:word,integer:dword
local showbuffer[50]:BYTE
mov di,[sizeofint]
xor cx,cx
mov eax,[integer]
mov esi,10
lea bx,[showbuffer+27]
.decint:
xor edx,edx
div esi
add dl,'0'
inc cx
mov [cs:bx],dl
dec bx
cmp cx,di
jae .nomuch
cmp ax,0
jne .decint
mov ax,di
xchg cx,di
sub cx,di
.rego:
mov byte [cs:bx],'0'
dec bx
dec cx
jnz .rego
jmp .finishim
.nomuch:
mov ax,di
.finishim:
.showinteger:
inc bx
mov cl,[cs:bx]
invoke showchars,cx,0FFFFh
dec ax
jnz .showinteger
retf
endp
;==========SHOWINTR===========
;Affiche un entier %0 apres le curseur de taille %1 caractere centre a droite
;-> %0 un entier % taille en caracteres
;<-
;===============================
proc showintr uses eax bx cx edx esi di, sizeofint:word,integer:dword
local showbuffer[50]:BYTE
mov di,[sizeofint]
xor cx,cx
mov eax,[integer]
mov esi,10
lea bx,[showbuffer+27]
.decint:
xor edx,edx
div esi
add dl,'0'
inc cx
mov [cs:bx],dl
dec bx
cmp cx,di
jae .nomuch
cmp ax,0
jne .decint
mov ax,di
xchg cx,di
sub cx,di
.rego:
mov byte [cs:bx],' '
dec bx
dec cx
jnz .rego
jmp .finishim
.nomuch:
mov ax,di
.finishim:
.showinteger:
inc bx
mov cl,[cs:bx]
invoke showchars,cx,0FFFFh
dec ax
jnz .showinteger
retf
endp
;==========SHOWSIGNED===========
;Affiche un entier %0 de taille %1 apres le curseur
;-> %0 un entier, %1 la taille
;<-
;===============================
proc showsigned uses ebx cx edx, sizeofint:word,integer:dword
mov ebx,[integer]
mov cx,[sizeofint]
xor edx,edx
cmp cx,1
ja .signed16
mov dl,bl
cmp dl,7Fh
jbe .notsigned
neg dl
jmp .showminus
.signed16:
cmp cx,2
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:
invoke showchars,'-',0FFFFh
.notsigned:
stdcall showint,edx
retf
endp
;==========SHOWHEX===========
;Affiche un nombre hexadecimal %0 de taille %1 apres le curseur
;-> %0 un entier, %1 la taille
;<-
;============================
proc showhex uses ax bx cx edx, sizeofint:word,integer:dword
mov edx,[integer]
mov cx,[sizeofint]
mov ax,cx
shr ax,2
sub cx,32
neg cx
shl edx,cl
.Hexaize:
rol edx,4
mov bx,dx
and bx,0fh
mov cl,[cs:bx+Tab]
invoke showchars,cx,0FFFFh
dec al
jnz .Hexaize
retf
Tab db '0123456789ABCDEF'
endp
;==========SHOWBIN===========
;Affiche un nombre binaire %0 de taille %1 apres le curseur
;-> %0 un entier, %1 la taille
;<-
;============================
proc showbin uses ax cx edx, sizeofint:word,integer:dword
mov edx,[integer]
mov cx,[sizeofint]
sub cx,32
neg cx
shl edx,cl
mov ax,[sizeofint]
.binaize:
rol edx,1
mov cl,'0'
adc cl,0
invoke showchars,cx,0FFFFh
dec al
jnz .binaize
retf
endp
;==========SHOWBCD===========
;Affiche un nombre en BCD %0 de taille %1 apres le curseur
;-> %0 un entier, %1 la taille
;<-
;============================
proc showbcd uses ax cx edx, sizeofint:word,integer:dword
mov edx,[integer]
mov ax,[sizeofint]
mov cx,ax
shr ax,2
sub cx,32
neg cx
shl edx,cl
.BCDaize:
rol edx,4
mov cl,dl
and cl,0fh
add cl,'0'
invoke showchars,cx,0FFFFh
dec al
jnz .BCDaize
retf
endp
;==========SHOWSTRING===========
;Affiche une chaine de caractere pointee par ds:%1 apres le curseur
;-> ds:%1 pointeur chaine type pascal
;<-
;===============================
proc showstring uses bx si, pointer:word
mov si,[pointer]
mov bl,[si]
.strinaize:
inc si
invoke showchars,word [si],0FFFFh
dec bl
jnz .strinaize
retf
endp
;==========showchars===========
;Affiche un caractere %0 apres le curseur
;-> %0 caractere
;<-
;===============================
proc showchar, pointer:word
invoke showchars,[pointer],0FFFFh
retf
endp
;==========SHOWSTRING0===========
;Affiche une chaine de caractere pointee par ds:%1 apres le curseur
;-> ds:%1 pointeur chaine type zero terminal
;<-
;================================
proc showstring0 uses cx si, pointer:word
mov si,[pointer]
.strinaize0:
mov cl,[si]
cmp cl,0
je .no0
invoke showchars,cx,0FFFFh
inc si
jmp .strinaize0
.no0:
retf
endp