{ demo2.pas } { Uká¾ka grafickej práce v asembleri. } { } { Author: ¥ubo¹ Saloky } { Datum: 01.01.1996 http://www.trsek.com } {$G+} program MukoSoft_demo_2; {const kruh:array[0..41] of word=(0,5,8,11,13,15,17,19,21,23,24,25,26,27,28,29,30,31,32,32,33,33,34,34,35,35,36,36,37,37,38,38, 38,39,39,39,40,40,40,40,40,0);} {const hviezda:array[1..100] of byte=(0,0,0,0,1,1,0,0,0,0, 0,0,0,0,2,2,0,0,0,0, 0,0,0,1,3,3,1,0,0,0, 0,0,1,3,4,4,3,1,0,0, 1,2,3,4,5,5,4,3,2,1, 1,2,3,4,5,5,4,3,2,1, 0,0,1,3,4,4,3,1,0,0, 0,0,0,1,3,3,1,0,0,0, 0,0,0,0,2,2,0,0,0,0, 0,0,0,0,1,1,0,0,0,0); const zdroj:array[1..104] of word=(20,20, 140,22, 190,12, 225,7, 290,13, 5,27, 45,32, 100,37, 192,21, 256,29, 32,43, 69,57, 124,49, 181,33, 289,41, 17,60, 46,71, 152,65, 249,75, 221,68, 22,81, 31,83, 162,72, 208,80, 268,72, 45,103, 72,109, 164,92, 263,108, 288,92, 14,124, 68,118, 122,109, 180,100, 200,120, 56,139, 109,141, 159,129, 261,122, 302,128, 12,151, 29,145, 160,151, 238,140, 284,153, 46,172, 92,181, 109,162, 167,185, 223,173, 268,187, 302,179); const ciel:array[1..104] of word=(50,40, 62,40, 74,40, 86,40, 44,48, 56,48, 68,48, 80,48, 92,48, 38,56, 50,56, 62,56, 74,56, 86,56, 98,56, 32,64, 44,64, 56,64, 68,64, 80,64, 92,64, 104,64, 26,72, 38,72, 50,72, 62,72, 74,72, 86,72, 98,72, 110,72, 32,80, 44,80, 56,80, 68,80, 80,80, 92,80, 104,80, 38,88, 50,88, 62,88, 74,88, 86,88, 98,88, 44,96, 56,96, 68,96, 80,96, 92,96, 50,104, 62,104, 74,104, 86,104);} {offsety v premennej a: 0 hviezda, 100 zdroj, 308 ciel,516 kruh,39790 pom} var PocetHviezd,AktualnaHviezda,CisloSnimku:word; PosunFarby:byte; f:file; Meno:string; a:array[0..63999] of byte; procedure CakajVOI;assembler;{znici DX,AL} asm mov dx,03DAh @vz1: in al,dx and al,08h jnz @vz1 @vz2: in al,dx and al,08h jz @vz2 end; procedure KresliHviezdu;assembler;{znici AX,BX,CX,DX,SI,DI} asm mov bx,39792 add bx,AktualnaHviezda lea si,a add bx,offset a {adresa Y-sur. ->BX} mov al,0 {vynasob 320} mov ah,byte[bx] mov dh,0 mov dl,ah shl dx,6 add ax,dx sub bx,2 add ax,[bx] {pripocitaj X-sur.} mov di,ax mov dl,10 mov cx,10 @D2ProcC1: lodsb cmp PosunFarby,0 je @D2PPreskoc cmp al,0 je @D2PNekresli add al,PosunFarby @D2PPreskoc: mov [es:di],al @D2PNekresli:inc di loop @D2ProcC1 add di,310 dec dl mov cx,10 jnz @D2ProcC1 end; BEGIN meno:='demo.dat'+#0; asm { ----- inicializacia ----- } cld mov PosunFarby,0 mov PocetHviezd,208 {nasobky 4} mov AktualnaHviezda,208 {nasobky 4} mov CisloSnimku,1 mov ax,3D00h{otvorenie suboru} lea dx,meno inc dx int 21h mov bx,ax mov ax,4200h{Seek na poziciu 64000} mov cx,0 mov dx,64000 int 21h mov ah,3Fh {citanie dat} lea dx,a mov cx,600 int 21h mov ah,3Eh {zavretie suboru} int 21h lea si,a[100] mov cx,104 { ----- kopirovanie z indexu 100 na 39790 (pomocne pole) ----- } @D2IniC1: mov ax,word[si] mov word[si+39690],ax add si,2 loop @D2IniC1 mov ax,0A000h mov es,ax mov ax,0013h int 10h { ----- vykreslenie hviezd ----- } @D2E1C1: sub AktualnaHviezda,4 call KresliHviezdu cmp AktualnaHviezda,0 jne @D2E1C1 {----- rozsvietenie hviezd ----- } mov cl,1 @D2E2C1: mov dx,03C8h {nastav paletu} mov bl,1 mov bh,cl @D2E2C2: mov al,bl out dx,al inc dx mov al,bh out dx,al out dx,al xor al,al out dx,al dec dx inc bl add bh,cl cmp bl,10 jbe @D2E2C2 call CakajVOI call CakajVOI call CakajVOI inc cl cmp cl,12 jbe @D2E2C1 { ----- animacia ----- } mov AktualnaHviezda,0 @D2E3C1: lea si,a[308] {rozdiel suradnic} add si,AktualnaHviezda mov ax,[si] lea si,a[100] add si,AktualnaHviezda sub ax,[si] imul CisloSnimku {vynasob cislom snimku} jns @D2E2Preskoc mov al,ah {vydel 256 (poctom snimkov)} mov ah,0FFh jmp @D2E2Dalej @D2E2Preskoc:mov al,ah mov ah,0 @D2E2Dalej: add ax,[si] {pripocitaj k povodnej polohe} lea di,a[39790] add di,AktualnaHviezda mov [di],ax {a uloz novu polohu} add AktualnaHviezda,2 cmp AktualnaHviezda,208 jb @D2E3C1 call CakajVOI @D2E3C2: sub AktualnaHviezda,4 {vykresli hviezdy v novej polohe} call KresliHviezdu cmp AktualnaHviezda,0 jne @D2E3C2 mov ah,1 int 16h jnz @D2E4Zac inc CisloSnimku cmp CisloSnimku,255 jbe @D2E3C1 { ----- kreslenie slnka: nastavenie farieb na nulu ----- } mov cx,64 mov dx,03C8h @D2E4Zac: mov al,cl add al,10 out dx,al inc dx xor al,al out dx,al out dx,al out dx,al dec dx loop @D2E4Zac { ----- kreslenie slnka ----- } lea si,a[516] mov di,11908 mov al,10 add si,2 mov cx,[si] @D2E4C1: cmp byte[es:di],4 {horna polovica} ja @D2E4Nepis1 mov word[es:di],ax mov ah,al add al,2 cmp al,74 jb @D2E4Nepis1 sub al,61 @D2E4Nepis1: add di,2 loop @D2E4C1 add di,320 sub di,[si] sub di,[si+2] add si,2 mov cx,[si] cmp word[si],0 jnz @D2E4C1 sub si,2 sub di,40 mov cx,[si] @D2E4C2: cmp byte[es:di],4{dolna polovica} ja @D2E4Nepis2 mov word[es:di],ax mov ah,al add al,2 cmp al,74 jb @D2E4Nepis2 sub al,61 @D2E4Nepis2: add di,2 loop @D2E4C2 add di,320 sub di,[si] sub di,[si-2] sub si,2 mov cx,[si] cmp word[si],0 jnz @D2E4C2 { ----- slnko: rozjasnievanie ----- } mov bx,63 @D2E4C4: mov cx,bx mov dx,03C8h @D2E4C3: mov al,74 sub al,cl out dx,al inc dx mov al,64 sub al,bl out dx,al out dx,al xor al,al out dx,al dec dx loop @D2E4C3 call CakajVOI dec bx jnz @D2E4C4 { ----- nastavenie farieb pre oblohu ----- } mov dx,03C8h mov cx,64 @D2E5C2: mov al,cl add al,74 out dx,al inc dx xor al,al out dx,al out dx,al mov al,cl cmp al,32 ja @D2E5Nezvys add al,32 @D2E5Nezvys: out dx,al dec dx loop @D2E5C2 { ----- nastavenie farby paprskov ----- } mov al,1 out dx,al inc dx mov al,63 out dx,al out dx,al xor al,al out dx,al { ----- kreslenie oblohy ----- } xor bx,bx mov di,0 xor dh,dh @D2E5C1: mov dl,[es:di] cmp al,115 jbe @D2E5Menej ja @D2E5Viac @D2E5Menej: mov dh,1 jmp @D2E5Pokr @D2E5Viac: xor dh,dh @D2E5Pokr: cmp dl,dh ja @D2E5Nepis mov al,[cs:bx] shr al,2 add al,75 mov [es:di],al @D2E5Nepis: inc bx { !!!!! Nasledujuce cislo mozes zvysit, az bude dlhsi program !!!!! } cmp bx,2500 jb @D2E5Nenuluj xor bx,bx @D2E5Nenuluj:inc di cmp di,64000 jbe @D2E5C1 { ----- let lietadla:nastavenie farieb pre smog ----- } mov dx,03C8h mov cl,140 @D2E6C4: mov al,cl out dx,al inc dx sub al,140 out dx,al out dx,al out dx,al dec dx inc cl cmp cl,204 jb @D2E6C4 { ----- let lietadla:kreslenie smogu ----- } mov dx,44479 mov di,44479 mov bx,1 @D2E6C1: mov cx,bx cmp cx,320 jb @D2E6Skok3 not cx add cx,460 @D2E6Skok3: cmp cx,140 jb @D2E6C2 mov cx,139 @D2E6C2: mov ah,byte[cs:si] shr ah,2 add ah,140 mov byte[es:di],ah{horna polovica smogu} inc si add di,319 { !!!!! Nasledujuce cislo mozes zvysit, az bude dlhsi program !!!!! } cmp si,2030 jb @D2E6Skok1 mov si,0 @D2E6Skok1: loop @D2E6C2 add di,1 cmp di,44479 ja @D2E6Skok4 push ax mov ax,44480 sub ax,di add di,ax add di,ax pop ax @D2E6Skok4: mov cx,bx cmp cx,379 jb @D2E6Skok5 mov cx,1 @D2E6Skok5: cmp cx,320 jb @D2E6Skok6 not cx add cx,382{tu} @D2E6Skok6: cmp cx,60 jb @D2E6C3 mov cx,61 @D2E6Skok7: @D2E6C3: mov ah,byte[cs:si] shr ah,2 add ah,140 mov byte[es:di],ah{dolna polovica smogu} inc si add di,321 { !!!!! Nasledujuce cislo mozes zvysit, az bude dlhsi program !!!!! } cmp si,2030 jb @D2E6Skok2 mov si,0 @D2E6Skok2: loop @D2E6C3 sub dx,320 mov di,dx inc bx push dx call CakajVoi pop dx cmp bx,140 jb @D2E6C1 add dx,319 mov di,dx cmp bx,459 jb @D2E6C1 { ----- ukoncenie programu ----- } @D2Koniec: mov ah,0 int 16h mov ax,3 int 10h end; END.