mirror of
https://github.com/skoelle/dos-phobia-welcome-intro.git
synced 2026-09-17 20:50:24 +00:00
Moved into subfolders
This commit is contained in:
Stefan Koelle
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c:\progs\tp\tpc pho.pas
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Binary file not shown.
+431
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{$A-,B-,D-,E-,F-,G-,I-,L-,N-,O-,R-,S-,V-,X-}
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{$M 16384,0,59360}
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uses crt,textgraf,pho_u,pho_u2;
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const rot:array[0..1] of integer=(1,0);
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VERSION='1.3';
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FADE_SPEED=10;
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TANZ=10;
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text:array[1..6*TANZ] of string[30]=('PRESENTS'
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,'WELCOME'
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,'---------------'
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,''
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,'PC INTRO BY'
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,'STEFAN KOELLE'
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,'[[[[[[[[[['
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,'[ PHOBIA ['
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,'[ 1994 ['
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,'[ """""" ['
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,'[ BY NST ['
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,'[[[[[[[[[['
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,''
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,'CREDITS'
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,'------'
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,'CODING BY'
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,'STEFAN'
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,''
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,''
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,'CREDITS'
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,'------'
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,'GFX BY'
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,'STEFAN'
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,''
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,''
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,'CREDITS'
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,'------'
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,'MUSIC'
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,'RIPPED'
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,''
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,''
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,'CREDITS'
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,'------'
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,'IDEA FROM AN'
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,'AMIGA DEMO'
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,''
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,''
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,'SPECIAL GREETINGS'
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,'----------------'
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,'MAD DOC'
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,'M T L'
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,''
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,''
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,'NORMAL GREETINGS'
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,'---------------'
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,'SATAN CLAUS'
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,'MAJ-SOFT'
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,''
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,''
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,'INFO'
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,'-------'
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,'CODED 1994'
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,'ON 486 DX50'
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,''
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,''
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,'BYE BYE'
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,'------'
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,'PRESS ANY'
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,'KEY'
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,'');
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var
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dev,mix,stat,pro,loop : integer;
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md : string;
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i,txtz,txti,j,x,y,k:integer;
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r,ri:real;
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rb:boolean;
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w:word;
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p:vgacolors;
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l:vgacolors;
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cyc:array[0..2] of byte;
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cy2:array[0..2,1..10] of byte;
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s:string;
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ch:char;
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font : array[1..57,0..15,0..17] of byte;
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{$L MOD-obj.OBJ} { Link in Object file }
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{$F+} { force calls to be 'far'}
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procedure modvolume(v1,v2,v3,v4:integer); external ; {Can do while playing}
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procedure moddevice(var device:integer); external ;
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procedure modsetup(var status:integer;device,mixspeed,pro,loop:integer;var str:string); external ;
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procedure modstop; external ;
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procedure modinit; external;
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{$F-}
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procedure ch_pal;
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var x,y,i,j:integer;
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begin
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inc(k);
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if k=3 then begin
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k:=0;
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for i:=0 to 2 do cyc[i]:=p[94,i];
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for j:=93 downto 80 do
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for i:=0 to 2 do p[j+1,i]:=p[j,i];
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for i:=0 to 2 do p[80,i]:=cyc[i];
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end;
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for y:=0 to 1 do
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for x:=1 to 5 do
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for i:=0 to 2 do cy2[i,x+y*5]:=p[16+x-1+y*25+20,i];
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for y:=0 to 1 do
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for x:=1 to 5 do
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for j:=1 to 4 do
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for i:=0 to 2 do p[35+x+y*25-j*5+5,i]:=p[35+x+y*25-j*5,i];
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for y:=0 to 1 do
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for x:=1 to 5 do
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for i:=0 to 2 do p[16+x-1+y*25,i]:=cy2[i,(x+rot[y]*5)];
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ri:=ri+1;
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if ri>372 then ri:=ri-372;
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if sin(ri*6.3)*15<0 then begin
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r:=r-sin(ri*6.3)*15;
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rb:=FALSE;
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end else begin
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r:=r+sin(ri*6.3)*15;
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rb:=TRUE;
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end;
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if r>20 then begin
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r:=r-20;
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if rb then begin
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for y:=0 to 1 do
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for x:=1 to 5 do
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for i:=0 to 2 do cy2[i,x+y*5]:=p[20+(x-1)*5+y*25,i];
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for y:=0 to 1 do
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for j:=1 to 4 do
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for x:=1 to 5 do
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for i:=0 to 2 do p[20+(x-1)*5+y*25-j+1,i]:=p[20+(x-1)*5+y*25-j,i];
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for y:=0 to 1 do
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for x:=1 to 5 do
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for i:=0 to 2 do p[20+(x-1)*5+y*25-4,i]:=cy2[i,x+rot[y]*5];
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end else begin
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for y:=0 to 1 do
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for x:=1 to 5 do
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for i:=0 to 2 do cy2[i,x+y*5]:=p[16+(x-1)*5+y*25,i];
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for y:=0 to 1 do
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for j:=1 to 4 do
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for x:=1 to 5 do
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for i:=0 to 2 do p[16+(x-1)*5+y*25+j-1,i]:=p[16+(x-1)*5+y*25+j,i];
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for y:=0 to 1 do
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for x:=1 to 5 do
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for i:=0 to 2 do p[20+(x-1)*5+y*25,i]:=cy2[i,x+rot[y]*5];
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end;
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end;
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end;
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procedure writeline(wly : integer; wls : string);
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var i,x,y,num,wlx:integer;
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begin
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wlx:=160-length(wls)*9+14;
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for i:=1 to length(wls) do
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for x:=0 to 15 do for y:=0 to 17 do begin
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if wls[i]<>' ' then begin
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case wls[i] of
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'A'..'Z':num:=ord(wls[i])-64;
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'0'..'9':num:=ord(wls[i])-19;
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'*':num:=39;
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'"':num:=40;
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'!':num:=41;
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'$':num:=42;
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':':num:=43;
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'.':num:=44;
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',':num:=45;
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'\':num:=46;
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'?':num:=47;
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'-':num:=48;
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'+':num:=49;
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'=':num:=50;
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'[':num:=51;
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']':num:=52;
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'%':num:=53;
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'(':num:=54;
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')':num:=55;
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end;
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if font[num,x,y]<>0 then mem[$A000:(wly+y)*word(320)+wlx+x+(i-1)*16]:=font[num,x,y];
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end;
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end;
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end;
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procedure writeback(wly : integer; wls : string);
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var i,x,y,num,wlx:integer;
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begin
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wlx:=160-length(wls)*9+14;
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for i:=1 to length(wls) do
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for x:=0 to 15 do for y:=0 to 17 do begin
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if wls[i]<>' ' then begin
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case wls[i] of
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'A'..'Z':num:=ord(wls[i])-64;
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'0'..'9':num:=ord(wls[i])-19;
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'*':num:=39;
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'"':num:=40;
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'!':num:=41;
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'$':num:=42;
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':':num:=43;
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'.':num:=44;
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',':num:=45;
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'\':num:=46;
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'?':num:=47;
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'-':num:=48;
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'+':num:=49;
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'=':num:=50;
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'[':num:=51;
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']':num:=52;
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'%':num:=53;
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'(':num:=54;
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')':num:=55;
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end;
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if (font[num,x,y]<>0) then mem[$A000:(wly+y)*word(320)+wlx+x+(i-1)*16]
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:=mem[seg(phopic):ofs(phopic)+(wly+y)*word(320)+wlx+x+(i-1)*16];
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end;
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end;
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end;
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procedure CLI; inline( $FA ); { Interrupts unterdr�cken }
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procedure STI; inline( $FB ); { Interrupts wieder erlauben }
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begin
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CLI;
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modinit;
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clrscr;
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writeln('PHOBA Intro');
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writeln('------------');
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writeln;
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writeln('F1 -PC Speaker (10000 kHz)');
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writeln('F2 -PC Speaker (20000 kHz)');
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writeln('F3 -SoundBlaster (10000 kHz)');
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writeln('F4 -SoundBlaster (20000 kHz)');
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writeln('F5 -D/A Wandler (10000 kHz)');
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writeln('F6 -D/A Wandler (20000 kHz)');
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writeln('F7 -Disney Source (10000 kHz)');
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writeln('F8 -Disney Source (20000 kHz)');
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writeln('F9 -PC Speaker (????? kHz)');
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writeln('F10-SoundBlaster (????? kHz)');
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writeln('ESC-No Sound');
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writeln;
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writeln('Press F1-F10 or ESC...');
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i:=1;
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repeat
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ch:=readkey;
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if ch=#27 then begin
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i:=0;
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dev:=255;
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end;
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if ch='+' then begin
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clrscr;
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writeln('Intro by: Stefan Koelle of Phobia * Version '+VERSION);
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writeln('Intro skipped !!!');
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STI;
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halt(1);
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end;
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if ch=#0 then begin
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ch:=readkey;
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if (ord(ch)>58) and (ord(ch)<69) then i:=0;
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end;
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until i=0;
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case ord(ch) of
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59:begin
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dev := 0;
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mix := 10000;
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end;
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60:begin
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dev := 0;
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mix := 20000;
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end;
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61:begin
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dev := 7;
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mix := 10000;
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end;
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62:begin
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dev := 7;
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mix := 20000;
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end;
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63:begin
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dev := 1;
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mix := 10000;
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end;
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64:begin
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dev := 1;
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mix := 20000;
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end;
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65:begin
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dev := 11;
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mix := 10000;
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end;
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66:begin
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dev := 11;
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mix := 20000;
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end;
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67:begin
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dev := 0;
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writeln;
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write('Enter Sample-Frequence (<=44000 kHz): ');
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readln(mix);
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end;
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68:begin
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dev := 7;
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writeln;
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write('Enter Sample-Frequence (<=20000 kHz): ');
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readln(mix);
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end;
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end;
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if (dev<>255) then begin
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if paramcount=1 then begin
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md:=paramstr(1);
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end else begin
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md:='pho.rsc';
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end;
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pro := 0; {Leave at 0}
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loop :=4; {4 means mod will play forever}
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modvolume (255,255,255,255); { Full volume }
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end;
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case InitTextGraf of
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1: begin end;
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end;
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GrafikMode($13);
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for w:=0 to 63999 do mem[$A000:w]:=0;
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for i:=0 to 255 do for j:=0 to 2 do
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l[i,j]:=0;
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setvgacolors(l);
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for w:=0 to 63999 do mem[$A000:w]:=mem[seg(phofnt):ofs(phofnt)+w];
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for j:=0 to 1 do for i:=0 to 18 do
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for x:=0 to 15 do for y:=0 to 17 do
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font[i+j*19+1,x,y]:=mem[$A000:(y+j*18+1)*word(320) + x+i*16];
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j:=2; for i:=0 to 18 do
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for x:=0 to 15 do for y:=0 to 17 do
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font[i+j*19+1,x,y]:=mem[$A000:(y+j*18+2)*word(320) + x+i*16];
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for w:=0 to 63999 do mem[$A000:w]:=mem[seg(phopic):ofs(phopic)+w];
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for i:=1 to 6 do
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writeline(53+i*20,text[i]);
|
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move(mem[seg(phopal):ofs(phopal)],p,sizeof(p));
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k:=0;ri:=0;r:=0;
|
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for x:=(40 div FADE_SPEED) downto 0 do begin
|
||||
ch_pal;
|
||||
for i:=0 to 255 do for j:=0 to 2 do begin
|
||||
l[i,j]:=p[i,j]-x*FADE_SPEED;
|
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if l[i,j]>p[i,j] then l[i,j]:=0;
|
||||
end;
|
||||
repeat until port[$3da] and 8 = 8;
|
||||
setvgacolors(l);
|
||||
end;
|
||||
ch:='@';
|
||||
txtz:=0;txti:=0;
|
||||
if (dev<>255) then modsetup ( stat, dev, mix, pro, loop, md );
|
||||
STI;
|
||||
repeat
|
||||
inc(txtz);
|
||||
if txtz>150 then begin
|
||||
txtz:=0;
|
||||
j:=txti;
|
||||
inc(txti);
|
||||
if txti=TANZ then txti:=0;
|
||||
for i:=1 to 6 do begin
|
||||
ch_pal;
|
||||
setvgacolors(p);
|
||||
writeback(53+i*20,text[i+j*6]);
|
||||
ch_pal;
|
||||
setvgacolors(p);
|
||||
writeline(53+i*20,text[i+txti*6]);
|
||||
end;
|
||||
end;
|
||||
inc(k);
|
||||
if k=3 then begin
|
||||
k:=0;
|
||||
for i:=0 to 2 do cyc[i]:=p[94,i];
|
||||
for j:=93 downto 80 do
|
||||
for i:=0 to 2 do p[j+1,i]:=p[j,i];
|
||||
for i:=0 to 2 do p[80,i]:=cyc[i];
|
||||
end;
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do cy2[i,x+y*5]:=p[16+x-1+y*25+20,i];
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for j:=1 to 4 do
|
||||
for i:=0 to 2 do p[35+x+y*25-j*5+5,i]:=p[35+x+y*25-j*5,i];
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do p[16+x-1+y*25,i]:=cy2[i,(x+rot[y]*5)];
|
||||
ri:=ri+1;
|
||||
if ri>372 then ri:=ri-372;
|
||||
if sin(ri*6.3)*15<0 then begin
|
||||
r:=r-sin(ri*6.3)*15;
|
||||
rb:=FALSE;
|
||||
end else begin
|
||||
r:=r+sin(ri*6.3)*15;
|
||||
rb:=TRUE;
|
||||
end;
|
||||
if r>20 then begin
|
||||
r:=r-20;
|
||||
if rb then begin
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do cy2[i,x+y*5]:=p[20+(x-1)*5+y*25,i];
|
||||
for y:=0 to 1 do
|
||||
for j:=1 to 4 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do p[20+(x-1)*5+y*25-j+1,i]:=p[20+(x-1)*5+y*25-j,i];
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do p[20+(x-1)*5+y*25-4,i]:=cy2[i,x+rot[y]*5];
|
||||
end else begin
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do cy2[i,x+y*5]:=p[16+(x-1)*5+y*25,i];
|
||||
for y:=0 to 1 do
|
||||
for j:=1 to 4 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do p[16+(x-1)*5+y*25+j-1,i]:=p[16+(x-1)*5+y*25+j,i];
|
||||
for y:=0 to 1 do
|
||||
for x:=1 to 5 do
|
||||
for i:=0 to 2 do p[20+(x-1)*5+y*25,i]:=cy2[i,x+rot[y]*5];
|
||||
end;
|
||||
end;
|
||||
repeat until port[$3da] and 8 = 8;
|
||||
setvgacolors(p);
|
||||
until keypressed;
|
||||
ch:=readkey;
|
||||
CLI;
|
||||
if (dev<>255) then modstop;
|
||||
for x:=1 to (40 div FADE_SPEED) do begin
|
||||
ch_pal;
|
||||
for i:=0 to 255 do for j:=0 to 2 do begin
|
||||
if p[i,j]<FADE_SPEED then p[i,j]:=0 else dec(p[i,j],FADE_SPEED);
|
||||
end;
|
||||
repeat until port[$3da] and 8 = 8;
|
||||
setvgacolors(p);
|
||||
end;
|
||||
for w:=0 to 63999 do mem[$A000:w]:=0;
|
||||
TEXTMODE(co80);
|
||||
clrscr;
|
||||
writeln('Intro by: Stefan Koelle of Phobia * Version '+VERSION);
|
||||
STI;
|
||||
end.
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
@@ -0,0 +1,11 @@
|
||||
unit pho_u;
|
||||
INTERFACE
|
||||
procedure phopic;
|
||||
procedure phopal;
|
||||
IMPLEMENTATION
|
||||
procedure phopic;external
|
||||
{$L phopic.obj};
|
||||
procedure phopal;external
|
||||
{$L phopal.obj};
|
||||
begin
|
||||
end.
|
||||
Binary file not shown.
@@ -0,0 +1,8 @@
|
||||
unit pho_u2;
|
||||
INTERFACE
|
||||
procedure phofnt;
|
||||
IMPLEMENTATION
|
||||
procedure phofnt;external
|
||||
{$L phofnt.obj};
|
||||
begin
|
||||
end.
|
||||
Binary file not shown.
@@ -0,0 +1,323 @@
|
||||
unit TextGraf;
|
||||
interface
|
||||
uses dos;
|
||||
type
|
||||
MonitorTyp = (Hercules, EGA, VGA, other);
|
||||
VGAColorInfo = array[0..2] of byte; { eine VGA-Farbe: nur f�r Demo }
|
||||
VGAColors = array[0..255] of VGAColorInfo; { alle VGA-Farben: dito }
|
||||
|
||||
function InitTextGraf: integer;
|
||||
{ Muá ganz zu Anfang des Programms, noch im Textmodus aufgerufen
|
||||
werden. Ohne das funktioniert der Rest nicht. Ergebnis 0: Alles Ok,
|
||||
unbekannter Videotyp: -1, zuwenig Speicher: 1 (Bedarf ca. 12Kb) }
|
||||
procedure SetPaletteSave(On: boolean);
|
||||
{ Mit On = true nach InitTextGraf und im Textmodus aufrufen. Sichert die
|
||||
Textpalette und reserviert Speicher f�r die Grafikpalette, die dann
|
||||
automatisch verwendet werden. On = false schaltet diese Automatik
|
||||
wieder ab und gibt den Speicher f�r die Paletten (ca. 1.5Kb) frei.}
|
||||
procedure ToText;
|
||||
{ Schaltet vom Grafik- in den Testmodus. Bildspeicher etc. werden in
|
||||
Sicherheit gebracht }
|
||||
procedure ToGraph;
|
||||
{ Schaltet in die Grafik zur�ck. Vorher sollte ein Grafikmodus mit
|
||||
ToText verlassen worden sein, um alle Werte zu initialisieren }
|
||||
|
||||
procedure GrafikMode(Mode: byte);
|
||||
{ nur f�r das Demoprogramm. Kann gel”scht werden, wenn BGI-Routinen
|
||||
(InitGraph) verwendet werden }
|
||||
function GetMonTyp: MonitorTyp;
|
||||
{ dito }
|
||||
procedure SetVGAColors(var Colors: VGAColors);
|
||||
{ dito }
|
||||
implementation
|
||||
|
||||
|
||||
type
|
||||
ScreenArray = array[0..3999] of word; { Bildspeicher bei 80x25 }
|
||||
CharGenArray = array[0..8191] of byte; { Zeichengenerator }
|
||||
ModeType = (Text, Grafik, unknown);
|
||||
|
||||
var
|
||||
regs: registers; { f�r intr }
|
||||
CharGen: CharGenArray absolute $A000:0; { Adresse Zeichengenerator }
|
||||
BMode: byte absolute $40:$49; { Bios-Videomode }
|
||||
|
||||
const
|
||||
VModus: ModeType = unknown;
|
||||
VMonitor: MonitorTyp = other; { Vorgabe: nichts gutes }
|
||||
TScreen: ^ScreenArray = nil; { zeigt in den Bildspeicher }
|
||||
ScrBuf: ^ScreenArray = nil; { speichert Textschirm zwischen }
|
||||
CGBuf: ^CharGenArray = nil; { speichert Zeichengenerator }
|
||||
ModeNr: byte = $FF; { Kennung f�r Init }
|
||||
TMode: byte = $FF; { der zu restaurierende Textmodus }
|
||||
GMode: byte = $FF; { dito Grafikmodus }
|
||||
VGATextPal: ^VGAColors = nil;
|
||||
VGAGraphPal: ^VGAColors = nil;
|
||||
|
||||
function IsVga: boolean; { haben wir VGA }
|
||||
begin
|
||||
with regs do
|
||||
begin
|
||||
AX:= $1A00; { Display Combination abfragen }
|
||||
Intr($10, regs);
|
||||
IsVga:= (AL = $1A); { g�ltiger Aufruf }
|
||||
end;
|
||||
end;
|
||||
|
||||
function IsEGA: boolean; { liegt wenigstens EGA vor }
|
||||
begin
|
||||
with regs do
|
||||
begin
|
||||
AH:= $12; { Funktion $12 }
|
||||
BL:= $10; { get EGA Information }
|
||||
Intr($10, regs);
|
||||
IsEga:= (BL <> $10); { hat sich was ge„ndert ? }
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure GetVGAColors(var Colors: VGAColors);
|
||||
begin
|
||||
with regs do
|
||||
begin
|
||||
ax:= $1017;
|
||||
bx:= 0;
|
||||
cx:= 255;
|
||||
es:= seg(Colors);
|
||||
dx:= ofs(Colors);
|
||||
intr($10, regs);
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure SetVGAColors(var Colors: VGAColors);
|
||||
begin
|
||||
with regs do
|
||||
begin
|
||||
ax:= $1012;
|
||||
bx:= 0;
|
||||
cx:= 255;
|
||||
es:= seg(Colors);
|
||||
dx:= ofs(Colors);
|
||||
intr($10, regs);
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure NoInitStop;
|
||||
begin
|
||||
writeln('TextGraph ist nicht initialisiert! Benutzen Sie InitTextGraph!');
|
||||
halt(2);
|
||||
end;
|
||||
|
||||
procedure HercTextMode;
|
||||
var i: integer;
|
||||
ModeReg: byte absolute 0:$465;
|
||||
const HData: array[0..13] of byte = { Timingdaten! Nicht ver„ndern! }
|
||||
($61,$50,$52,$0f,$19,$06,$19,$19,$02,$0d,$0b,$0c,0,0);
|
||||
begin
|
||||
port[$3bf]:= 0; { Config Reg: HalfMode: eine Seite (3 f�r Full Mode) }
|
||||
port[$3b8]:= $21; { Mode Control: Dunkel, Text, 80x25 }
|
||||
for i:= 0 to 13 do { die Timing-Daten komplett }
|
||||
begin
|
||||
port[$3b4]:= i; { Index Laden (Register einblenden) }
|
||||
port[$3b5]:= HData[i]; { Wert schreiben }
|
||||
end;
|
||||
port[$3b8]:= $29; { ModeControl: Hell, Text, 80x25 }
|
||||
ModeReg:= $29; { im BIOS-Ram protokollieren }
|
||||
end;
|
||||
|
||||
procedure HercGraphMode;
|
||||
var i: integer;
|
||||
ModeReg: byte absolute 0:$465;
|
||||
const HData: array[0..13] of byte = { Timingdaten! Nicht ver„ndern! }
|
||||
($35,$2d,$2e,$07,$5b,$02,$57,$57,$02,$03,0,0,0,0);
|
||||
begin
|
||||
port[$3bf]:= 1; { Config Reg: HalfMode: eine Seite (3 f�r Full Mode) }
|
||||
port[$3b8]:= 2; { Mode Control: Dunkel, Grafik, Seite 0 }
|
||||
for i:= 0 to 13 do { die Timing-Daten komplett }
|
||||
begin
|
||||
port[$3b4]:= i; { Index Laden (Register einblenden) }
|
||||
port[$3b5]:= HData[i]; { Wert schreiben }
|
||||
end;
|
||||
port[$3b8]:= $0a; { ModeControl: Hell, Grafik, Seite 0 }
|
||||
ModeReg:= $0a; { im BIOS-Ram protokollieren }
|
||||
end;
|
||||
|
||||
procedure GrafikMode(Mode: byte); { Setzt den Videomodus, nur f�r Demo }
|
||||
var i: integer;
|
||||
begin
|
||||
if VMonitor <> Hercules then { alle auáer Hercules sind sehr einfach }
|
||||
with regs do
|
||||
begin
|
||||
AX:= Mode; { AH:= 0; AL:= Mode }
|
||||
Intr($10, regs);
|
||||
end
|
||||
else
|
||||
begin
|
||||
HercGraphMode;
|
||||
fillchar(ptr($B000,0)^, $8000, 0); { Clearscreen }
|
||||
end;
|
||||
end;
|
||||
|
||||
function GetMonTyp: MonitorTyp; { Zugriffsfunktion, nur f�r das Demo }
|
||||
begin
|
||||
GetMonTyp:= VMonitor;
|
||||
end;
|
||||
|
||||
procedure ToTextVGA; { sichert den Teil des Grafik-Bildspeichers, der }
|
||||
var b: byte; { vom Zeichengenerator �berschrieben wird }
|
||||
begin
|
||||
regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
|
||||
intr($10, regs); { Bildspeicher bleibt erhalten }
|
||||
Port[$3ce]:= 4; { Read Map Select holen }
|
||||
b:= Port[$3cf]; { lesen }
|
||||
Port[$3cf]:= 2; { Plane 2 ein }
|
||||
CGBuf^:= CharGen; { Grafikinhalt von Zeichengenerator sichern }
|
||||
Port[$3cf]:= b; { Wert zur�ck }
|
||||
end;
|
||||
|
||||
procedure ToTextEGA; { wie oben jedoch Variante f�r EGA, }
|
||||
var b: byte; { deren Register nicht lesbar sind }
|
||||
begin
|
||||
regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
|
||||
intr($10, regs); { Bildspeicher bleibt erhalten }
|
||||
Port[$3ce]:= 4; { Read Map Select holen }
|
||||
Port[$3cf]:= 2; { Plane 2 ein }
|
||||
CGBuf^:= CharGen; { Grafikinhalt von Zeichengenerator sichern }
|
||||
Port[$3cf]:= 0; { Default zur�ck }
|
||||
end;
|
||||
|
||||
procedure ToGraphVGA; { �berschreibt den Zeichengenerator mit }
|
||||
var b: byte; { gesicherten Grafikinhalt }
|
||||
begin
|
||||
regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
|
||||
intr($10, regs); { Bildspeicher bleibt erhalten }
|
||||
Port[$3C4]:= 2; { Map Mask Register holen }
|
||||
b:= Port[$3c5]; { lesen }
|
||||
Port[$3c5]:= 4; { Plane 2 ein }
|
||||
CharGen:= CGBuf^; { Zeichengenerator zur�ck }
|
||||
Port[$3c5]:= b; { Wert zur�ck }
|
||||
end;
|
||||
|
||||
procedure ToGraphEGA; { wie oben jedoch Variante f�r EGA, }
|
||||
var b: byte; { deren Register nicht lesbar sind }
|
||||
begin
|
||||
regs.ax:= $90; { Standardmodus setzen um Zugriff sicherzustellen }
|
||||
intr($10, regs); { Bildspeicher bleibt erhalten }
|
||||
Port[$3C4]:= 2; { Map Mask Register holen }
|
||||
Port[$3c5]:= 4; { Plane 2 ein }
|
||||
CharGen:= CGBuf^; { Zeichengenerator kopieren }
|
||||
Port[$3c5]:= 0; { Default zur�ck }
|
||||
end;
|
||||
|
||||
function InitTextGraf: integer; { ermittelt Monitor, setzt Variablen, }
|
||||
begin { reserviert Speicher }
|
||||
InitTextGraf:= 0;
|
||||
if ModeNr <> $FF then exit; { wurde schon aufgerufen, alles ok }
|
||||
InitTextGraf:= -1; { Fehlervorgabe: falsche Karte }
|
||||
if IsEGA then VMonitor:= EGA; { EGA ? }
|
||||
if IsVGA then VMonitor:= VGA; { oder VGA ? }
|
||||
TMode:= BMode and $7f;
|
||||
if TMode = 7 then
|
||||
begin
|
||||
TScreen:= ptr($B000,0); { Bildspeicheradresse Text mono setzen }
|
||||
if VMonitor = other then { keines von beiden: }
|
||||
begin
|
||||
VMonitor:= Hercules; { dann Hercules, (evtl Probleme mit CGA-Mono)}
|
||||
GMode:= 7; { Modi alle 7 }
|
||||
end;
|
||||
end else
|
||||
TScreen:= ptr($B800,0); { Bildspeicheradresse Text farbig setzen }
|
||||
if VMonitor = other then exit; { was anderes? geht nicht! }
|
||||
InitTextGraf:= 1; { Fehlervorgabe: kein Speicher }
|
||||
if VMonitor in [EGA, VGA] then
|
||||
begin { Vorgaben f�r EGA & VGA }
|
||||
GMode:= $10; { Grafik 640x350 }
|
||||
if MaxAvail >= sizeof(CGBuf) then { Speicher f�r Puffer belegen }
|
||||
New(CGBuf)
|
||||
else
|
||||
exit; { raus mit Fehler 1 }
|
||||
end;
|
||||
if MaxAvail >= sizeof(ScrBuf) then { noch mehr }
|
||||
New(ScrBuf)
|
||||
else
|
||||
exit; { raus mit Fehler 1 }
|
||||
ModeNr:= TMode; { Initialisierung merken }
|
||||
InitTextGraf:= 0; { alles ok }
|
||||
end;
|
||||
|
||||
procedure SetPaletteSave(On: boolean);
|
||||
{ aktiviert oder deaktiviert die automatische Palettensicherung }
|
||||
begin
|
||||
if ModeNr = $FF then NoInitStop; { schon Init ? }
|
||||
if On then
|
||||
begin
|
||||
if VGATextPal = nil then { gibts schon ? }
|
||||
new(VGATextPal); { nein, neu }
|
||||
if VGAGraphPal = nil then { dito Grafikpalette }
|
||||
new(VGAGraphPal);
|
||||
GetVGAColors(VGATextPal^); { Textfarben holen }
|
||||
end else
|
||||
begin
|
||||
if VGATextPal <> nil then { was da ? }
|
||||
begin
|
||||
dispose(VGATextPal); { freigeben }
|
||||
VGATextPal:= nil; { und kennzeichnen }
|
||||
end;
|
||||
if VGAGraphPal <> nil then { andere auch }
|
||||
begin
|
||||
dispose(VGAGraphPal);
|
||||
VGAGraphPal:= nil;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure ToText; { Schaltet in Textmodus, bringt, was �berschrieben }
|
||||
begin { wird in Sicherheit }
|
||||
if ModeNr = $FF then NoInitStop; { schon Init ? }
|
||||
GMode:= BMode; { Grafikmodus merken }
|
||||
case VMonitor of
|
||||
VGA: begin
|
||||
if VGAGraphPal <> nil then
|
||||
GetVGAColors(VGAGraphPal^);
|
||||
ToTextVGA; { Zeichengeneratorbereich sichern }
|
||||
end;
|
||||
EGA: ToTextEGA;
|
||||
end; {case}
|
||||
if VMonitor = Hercules then
|
||||
HercTextMode { Hercules Textmodus ohne Bildspeicher l”schen }
|
||||
else
|
||||
begin
|
||||
regs.ax:= TMode or $80; { Text, Bit 7 = 1: Bildspeicher nicht l”schen }
|
||||
intr($10, regs);
|
||||
if (VMonitor = VGA) and (VGATextPal <> nil) then
|
||||
SetVGAColors(VGATextPal^);
|
||||
end;
|
||||
scrbuf^:= TScreen^; { Grafikinhalt von Textschirm sichern }
|
||||
VModus:= Text;
|
||||
end;
|
||||
|
||||
procedure ToGraph; { versucht den Grafikmodus zu restaurieren }
|
||||
begin
|
||||
if ModeNr = $FF then NoInitStop; { schon Init ? }
|
||||
TMode:= BMode;
|
||||
TScreen^:= ScrBuf^; { Grafikinhalt zur�ck in Textbildschirm f�llen }
|
||||
case VMonitor of
|
||||
VGA: begin
|
||||
if VGATextPal <> nil then
|
||||
GetVGAColors(VGATextPal^);
|
||||
ToGraphVGA; { dito Zeichengenerator }
|
||||
end;
|
||||
EGA: ToGraphEGA;
|
||||
end; {case}
|
||||
if VMonitor = Hercules then
|
||||
HercGraphMode { Hercules handmade Grafikmodus }
|
||||
else
|
||||
begin
|
||||
regs.ax:= GMode or $80; { Text, Bit 7 = 1: Bildspeicher nicht l”schen }
|
||||
intr($10, regs);
|
||||
if (VMonitor = VGA) and (VGAGraphPal <> nil) then
|
||||
SetVGAColors(VGAGraphPal^);
|
||||
end;
|
||||
VModus:= Grafik;
|
||||
end;
|
||||
|
||||
end.
|
||||
Binary file not shown.
Reference in New Issue
Block a user