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2017-09-24 01:45:36 +02:00 · 2017-09-24 01:45:36 +02:00 · 43352ff262
commit 43352ff262
1291 changed files with 220976 additions and 0 deletions
--- a/TWIST/MAIN.C
+++ b/TWIST/MAIN.C
@ -0,0 +1,110 @@
+#include <stdio.h>
+#include <conio.h>
+#include <malloc.h>
+#include "..\dis\dis.h"
+
+int	flip;
+
+extern char far *twistvram;
+extern int twist[];
+extern void twister(void);
+
+extern char far *vram;
+char far *vram1=(char far *)0xa0000000L;
+char far *vram2=(char far *)0xa8000000L;
+
+extern int sin1024[];
+
+char	palette[768];
+
+char	*shiftstatus=(char *)0x0417;
+int	waitb()
+{
+	if(*shiftstatus&16) setborder(0);
+	while(!(inp(0x3da)&8));
+	while((inp(0x3da)&8));
+	if(*shiftstatus&16) setborder(31);
+	return(1);
+}
+
+void	line(int y,int w,int c)
+{
+	if(w<0)
+	{
+		leftline(y,-w,c);
+		rightline(y,-w,c);
+	}
+	else
+	{
+		leftline(y,w,c);
+		rightline(y,w,c);
+	}
+}
+
+void	doit(void)
+{
+	int y,rot,r,ra,w,c;
+	int frame=0,flip=0;
+	rot=0; ra=0;
+	while(!kbhit() && frame<4444)
+	{
+		twistvram=vram;
+		ra++;
+		r=0;
+		for(y=0;y<200;y++)
+		{
+			w=sin1024[ ((r>>6)&511) +256]*25/64+100;
+			twist[y*4+0]=w;
+			r+=ra;
+		}
+		twister();
+		flip++; if(flip>1) flip=0;
+		switch(flip)
+		{
+		case 0 :
+			outp(0x3d4,0x0c);
+			outp(0x3d5,0x80);
+			frame+=waitb();
+			vram=vram1;
+			break;
+		case 1 :
+			outp(0x3d4,0x0c);
+			outp(0x3d5,0x00);
+			frame+=waitb();
+			vram=vram2;
+			break;
+		}
+	}
+}
+
+main()
+{
+	unsigned int u,v,uc;
+	int	a,b,x,y,xa,ya,j,k,xw,yw;
+	int	rot=0,rsin,rcos,xwav=0,ywav=0;
+	dis_partstart();
+	_asm mov ax,13h
+	_asm int 10h
+	inittwk();
+	initcoppers();
+	memset(vram,0,64000);
+	for(a=0;a<256;a++)
+	{
+		b=a*3;
+		palette[b+0]=a/3;
+		palette[b+1]=a*2/3;
+		palette[b+2]=a;
+		vram[a]=a;
+	}	
+	setpalarea(palette,0,256);
+
+	doit();
+	if(kbhit()) getch();
+
+	if(!dis_indemo())
+	{	
+		_asm mov ax,3h
+		_asm int 10h
+	}
+}
+