X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=16%2Fv2%2Fsource%2FENGINE%2FVESA.C;fp=16%2Fv2%2Fsource%2FENGINE%2FVESA.C;h=0000000000000000000000000000000000000000;hb=4b23f27092a9470a741e3a18261ad389fd1929db;hp=a97fbe6ac068058709d788de3a83246b8d04862d;hpb=5d8d1deb6c3520abadbad86d202ea453df77bfc2;p=16.git

diff --git a/16/v2/source/ENGINE/VESA.C b/16/v2/source/ENGINE/VESA.C
deleted file mode 100755
index a97fbe6a..00000000
--- a/16/v2/source/ENGINE/VESA.C
+++ /dev/null
@@ -1,776 +0,0 @@
-/*
-Copyright (C) 1998 BJ Eirich (aka vecna)
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-See the GNU General Public Lic
-See the GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-*/
-
-#include <pc.h>
-#include <dpmi.h>
-#include <go32.h>
-
-#include <dpmi.h>
-#include <sys\nearptr.h>
-#include "verge.h"
-
-// ================================= Data ====================================
-
-byte *vesascreen, *vesascreenx;             // virscr | realscr
-
-// ================================= Code ====================================
-
-void VESASetMode(int mode)
-{
-  REGISTERS r;
-  SET_AX(r, mode);
-  INTERRUPT(0x10, r);
-}
-
-int VESAShutdown(void)
-{
-  VESASetMode(0x3);
-  free(vesascreen);
-  return 0;
-}
-
-void VESASetBank(int bank)
-{
-  REGISTERS r;
-  SET_AX(r, 0x4f05);
-  SET_BX(r, 0);
-  SET_DX(r, bank);
-  INTERRUPT(0x10, r);
-}
-
-int VESAShowPage(void)
-{ byte *s,*d;
-  int y,bytes,bank;
-  int span;
-
-  RenderGUI();
-  cpubyte=PFLIP;
-
-  s=vesascreen+(16*tsx)+16;
-  d=vesascreenx;
-
-  bank=0;
-  bytes=65536;
-  VESASetBank(bank++);
-
-  for (y=sy; y; y--)
-  {
-    if (bytes >= sx)
-    { memcpy(d,s,sx);
-      bytes-=sx;
-      s+=sx;
-      d+=sx;
-    }
-    else
-    { memcpy(d,s,bytes);
-      s+=bytes;
-      span=sx-bytes;
-
-      VESASetBank(bank++);
-      d=vesascreenx;
-      bytes=65536;
-
-      memcpy(d,s,span);
-      bytes-=span;
-      s+=span;
-      d+=span;
-    }
-    s+=32;
-  }
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESACopySprite(int x, int y, int width, int height, byte *src)
-{
-  cpubyte=RENDER;
-
-  asm("movl %3, %%edx                   \n\t"
-      "movl %4, %%esi                   \n\t"
-"csl0:                                  \n\t"
-      "movl %1, %%eax                   \n\t"
-      "imul $672, %%eax                 \n\t"
-      "addl %0, %%eax                   \n\t"
-      "addl _vesascreen, %%eax          \n\t"
-      "movl %%eax, %%edi                \n\t"
-      "movl %2, %%ecx                   \n\t"
-      "shrl $2, %%ecx                   \n\t"
-      "repz                             \n\t"
-      "movsl                            \n\t"
-      "incl %1                          \n\t"
-      "decl %%edx                       \n\t"
-      "jnz csl0                         \n\t"
-      :
-      : "m" (x), "m" (y), "m" (width), "m" (height), "m" (src)
-      : "eax","edx","esi","edi","ecx","cc" );
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESACCopySprite(int x,int y,int width,int height,byte *src)
-{
-  byte *s,*d;
-  int xl,yl,xs,ys;
-  int cx1=0, cy1=0, cx2=tsx-1, cy2=tsy-1;
-
-  cpubyte=RENDER;
-
-  xl=width;
-  yl=height;
-  xs=ys=0;
-
-  if (x>cx2 || y>cy2 || x+xl<cx1 || y+yl<cy1)
-    return 0;
-
-  if (x+xl > cx2) xl=cx2-x+1;
-  if (y+yl > cy2) yl=cy2-y+1;
-
-  if (x<cx1) { xs=cx1-x; xl-=xs; x=cx1; }
-  if (y<cy1) { ys=cy1-y; yl-=ys; y=cy1; }
-
-  s=src;
-  if (xs+ys) s+=(ys*width)+xs;
-  d=vesascreen+(y*tsx)+x;
-
-  for (; yl; yl--)
-  {
-    memcpy(d,s,xl);
-    s+=width;
-    d+=tsx;
-  }
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESATCCopySprite(int x,int y,int width,int height,byte *src)
-{
-  byte *s,*d,c;
-  int xl,yl,xs,ys;
-  int cx1=0, cy1=0, cx2=tsx-1, cy2=tsy-1;
-
-  cpubyte=RENDER;
-
-  xl=width;
-  yl=height;
-  xs=ys=0;
-
-  if (x>cx2 || y>cy2 || x+xl<cx1 || y+yl<cy1)
-    return 0;
-
-  if (x+xl > cx2) xl=cx2-x+1;
-  if (y+yl > cy2) yl=cy2-y+1;
-
-  if (x<cx1) { xs=cx1-x; xl-=xs; x=cx1; }
-  if (y<cy1) { ys=cy1-y; yl-=ys; y=cy1; }
-
-  s=src;
-  if (xs+ys) s+=(ys*width)+xs;
-  d=vesascreen+(y*tsx)+x;
-
-  for (; yl; yl--)
-  {
-    for (x=0; x<xl; x++)
-    {
-      c=s[x];
-      if (c)
-        d[x]=c;
-    }
-    s+=width;
-    d+=tsx;
-  }
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESACopyTile(int x, int y, byte *spr)
-{
-  int h;
-  byte *d;
-
-  cpubyte=RENDER;
-
-  h=16;
-
-  d=vesascreen+(y*tsx)+x;
-  for (; h; h--)
-  {
-    memcpy(d, spr, 16);
-    spr+=16;
-    d+=tsx;
-  }
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESATCopySprite(int x, int y, int width, int height, byte *src)
-{
-  cpubyte=RENDER;
-
-  asm("movl %3, %%ecx                   \n\t"
-      "movl %4, %%esi                   \n\t"
-"tcsl0:                                 \n\t"
-      "movl %1, %%eax                   \n\t"
-      "imul $672, %%eax                 \n\t"
-      "addl %0, %%eax                   \n\t"
-      "addl _vesascreen, %%eax          \n\t"
-      "movl %%eax, %%edi                \n\t"
-      "movl %2, %%edx                   \n\t"
-"drawloop:                              \n\t"
-      "lodsb                            \n\t"
-      "orb %%al, %%al                   \n\t"
-      "jz nodraw                        \n\t"
-      "stosb                            \n\t"
-      "decl %%edx                       \n\t"
-      "jz endline                       \n\t"
-      "jmp drawloop                     \n\t"
-"nodraw:                                \n\t"
-      "incl %%edi                       \n\t"
-      "decl %%edx                       \n\t"
-      "jnz drawloop                     \n\t"
-"endline:                               \n\t"
-      "incl %1                          \n\t"
-      "decl %%ecx                       \n\t"
-      "jnz tcsl0                        \n\t"
-      :
-      : "m" (x), "m" (y), "m" (width), "m" (height), "m" (src)
-      : "eax","edx","esi","edi","ecx","cc" );
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESATCopyTile(int x, int y, byte *spr, byte *matte)
-{
-  cpubyte=RENDER;
-  asm("movl $16, %%ecx                  \n\t"
-      "movl %2, %%esi                   \n\t"
-      "movl %1, %%edi                   \n\t"
-      "imul $672, %%edi                 \n\t"
-      "addl %0, %%edi                   \n\t"
-      "addl _vesascreen, %%edi          \n\t"
-      "movl %3, %%edx                   \n\t"
-"tctl0:                                 \n\t"
-      "movl (%%edi), %%eax              \n\t"
-      "andl (%%edx), %%eax              \n\t"
-      "orl  (%%esi), %%eax              \n\t"
-      "movl %%eax, (%%edi)              \n\t"
-      "movl 4(%%edi), %%eax             \n\t"
-      "andl 4(%%edx), %%eax             \n\t"
-      "orl  4(%%esi), %%eax             \n\t"
-      "movl %%eax, 4(%%edi)             \n\t"
-      "movl 8(%%edi), %%eax             \n\t"
-      "andl 8(%%edx), %%eax             \n\t"
-      "orl  8(%%esi), %%eax             \n\t"
-      "movl %%eax, 8(%%edi)             \n\t"
-      "movl 12(%%edi), %%eax            \n\t"
-      "andl 12(%%edx), %%eax            \n\t"
-      "orl  12(%%esi), %%eax            \n\t"
-      "movl %%eax, 12(%%edi)            \n\t"
-      "addl $16, %%esi                  \n\t"
-      "addl $672, %%edi                 \n\t"
-      "addl $16, %%edx                  \n\t"
-      "decl %%ecx                       \n\t"
-      "jnz tctl0                        \n\t"
-      :
-      : "m" (x), "m" (y), "m" (spr), "m" (matte)
-      : "eax","ecx","edx","esi","edi","cc" );
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESAScaleSprite(int x, int y, int w, int h, int tw, int th, byte *s)
-{
-  int i,j,xm,ym,xd,yd,sx,sy=0,xs,ys,dys=0;
-  unsigned char *d;
-
-  cpubyte=RENDER;
-
-  if (!tw || !th) return 0;
-  tw += sgn(tw); th += sgn(th);
-  xm = abs(tw); ym = abs(th);
-  xs = (w<<16)/xm; ys = (h<<16)/ym;
-  xd = sgn(tw); yd = sgn(th);
-
-  if (tw>0 && th>0) dys=tsx-xm;
-  else if (tw>0 && th<0) dys=(0-tsx)-xm;
-  else if (tw<0 && th>0) dys=tsx+xm;
-  else if (tw<0 && th<0) dys=(0-tsx)+xm;
-
-  d = vesascreen+(y*tsx)+x;
-  for (i=0;i<ym;++i) {
-    sx=0;
-    for (j=0;j<xm;++j) {
-      *d=s[(sx>>16)];
-      d+=xd;
-      sx+=xs;
-      }
-    d+=dys;
-    sy+=ys;
-    s+=(sy>>16)*w;
-    sy&=0xffff;
-    }
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESARenderMAPLine(int x, int y, int yofs, word *map)
-{
-  cpubyte=RENDER;
-  // ...
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESATRenderMAPLine(int x, int y, int yofs, word *map)
-{
-  cpubyte=RENDER;
-  // ...
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESAColorField(int x, int y, byte c)
-{
-  cpubyte=RENDER;
-  // ...
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESAClearScreen()
-{
-  cpubyte=RENDER;
-  memset(vesascreen+(672*16)+16,0,(672*480));
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESAPutPixel(int x, int y, int color)
-{
-  cpubyte=RENDER;
-
-  if (x<cx1 || y<cy1 || x>cx2 || y>cy2)
-  {
-    cpubyte=ETC;
-    return 0;
-  }
-
-  x+=16;
-  y+=16;
-
-  vesascreen[(y*tsx)+x]=color;
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESAGetPixel(int x, int y)
-{
-  cpubyte=RENDER;
-
-  if (x<cx1 || y<cy1 || x>cx2 || y>cy2)
-  {
-    cpubyte=ETC;
-    return 0;
-  }
-
-  x+=16;
-  y+=16;
-
-  cpubyte=ETC;
-  return vesascreen[(y*tsx)+x];
-  return 0;
-}
-
-int VESAHLine(int x, int y, int x2, int color)
-{
-  byte *d;
-  int width;
-
-  cpubyte=RENDER;
-
-  // swap?
-  if (x2<x) { int t=x2; x=x2; x2=t; }
-
-  width=x2-x+1;
-  if (x>cx2 || y>cy2 || x+width<cx1 || y<cy1)
-    return 0;
-
-  if (x+width > cx2) width=cx2-x+1;
-  if (x<cx1) { width-=(cx1-x); x=cx1; }
-
-  x+=16;
-  y+=16;
-  x2+=16;
-
-  d=vesascreen+(y*tsx)+x;
-  memset(d,color,width);
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESAVLine(int x, int y, int y2, int color)
-{
-  byte *d;
-  int height;
-
-  cpubyte=RENDER;
-
-  // swap?
-  if (y2<y) { int t=y2; x=y2; y2=t; }
-
-  height=y2-y+1;
-  if (x>cx2 || y>cy2 || x<cx1 || y+height<cy1)
-  {
-    cpubyte=ETC;
-    return 0;
-  }
-
-  if (y+height > cy2) height=cy2-y+1;
-  if (y<cy1) { height-=(cy1-y); y=cy1; }
-
-  x+=16;
-  y+=16;
-  y2+=16;
-
-  d=vesascreen+(y*tsx)+x;
-  for (; height; height--)
-  {
-    *d=color;
-    d+=tsx;
-  }
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESALine(int x1, int y1, int x2, int y2, int color)
-{
-  short i,xc,yc,er,n,m,xi,yi,xcxi,ycyi,xcyi;
-  unsigned dcy,dcx;
-
-  cpubyte=RENDER;
-
-  // check to see if the line is completly clipped off
-  if ((x1<cx1 && x2<cx1) || (x1>cx2 && x2>cx2)
-  || (y1<cy1 && y2<cy1) || (y1>cy2 && y2>cy2))
-  {
-    cpubyte=ETC;
-    return 0;
-  }
-
-  if (x1>x2)
-  {
-    i=x1; x1=x2; x2=i;
-    i=y1; y1=y2; y2=i;
-  }
-
-  // clip the left side
-  if (x1<cx1)
-  { int myy=(y2-y1);
-    int mxx=(x2-x1),b;
-    if (!mxx)
-    {
-      cpubyte=ETC;
-      return 0;
-    }
-    if (myy)
-    {
-      b=y1-(y2-y1)*x1/mxx;
-      y1=myy*cx1/mxx+b;
-      x1=cx1;
-    }
-    else x1=cx1;
-  }
-
-  // clip the right side
-  if (x2>cx2)
-  { int myy=(y2-y1);
-    int mxx=(x2-x1),b;
-    if (!mxx)
-    {
-      cpubyte=ETC;
-      return 0;
-    }
-    if (myy)
-    {
-      b=y1-(y2-y1)*x1/mxx;
-      y2=myy*cx2/mxx+b;
-      x2=cx2;
-    }
-    else x2=cx2;
-  }
-
-  if (y1>y2)
-  {
-    i=x1; x1=x2; x2=i;
-    i=y1; y1=y2; y2=i;
-  }
-
-  // clip the bottom
-  if (y2>cy2)
-  { int mxx=(x2-x1);
-    int myy=(y2-y1),b;
-    if (!myy)
-    {
-      cpubyte=ETC;
-      return 0;
-    }
-    if (mxx)
-    {
-      b=y1-(y2-y1)*x1/mxx;
-      x2=(cy2-b)*mxx/myy;
-      y2=cy2;
-    }
-    else y2=cy2;
-  }
-
-  // clip the top
-  if (y1<cy1)
-  { int mxx=(x2-x1);
-    int myy=(y2-y1),b;
-    if (!myy)
-    {
-      cpubyte=ETC;
-      return 0;
-    }
-    if (mxx)
-    {
-      b=y1-(y2-y1)*x1/mxx;
-      x1=(cy1-b)*mxx/myy;
-      y1=cy1;
-    }
-    else y1=cy1;
-  }
-
-  // ???
-  // see if it got cliped into the box, out out
-  if (x1<cx1 || x2<cx1 || x1>cx2 || x2>cx2 || y1<cy1 || y2 <cy1 || y1>cy2 || y2>cy2)
-  {
-    cpubyte=ETC;
-    return 0;
-  }
-
-  if (x1>x2)
-  { xc=x2; xi=x1; }
-  else { xi=x2; xc=x1; }
-
-  x1+=16;y1+=16; // aen; adjust these here??
-  x2+=16;y2+=16;
-
-  // assume y1<=y2 from above swap operation
-  yi=y2; yc=y1;
-
-  dcx=x1; dcy=y1;
-  xc=(x2-x1); yc=(y2-y1);
-  if (xc<0) xi=-1; else xi=1;
-  if (yc<0) yi=-1; else yi=1;
-  n=abs(xc); m=abs(yc);
-  ycyi=abs(2*yc*xi);
-  er=0;
-
-  if (n>m)
-  {
-    xcxi=abs(2*xc*xi);
-    for (i=0;i<=n;i++)
-    {
-      vesascreen[(dcy*tsx)+dcx]=color;
-      if (er>0)
-      { dcy+=yi;
-        er-=xcxi;
-      }
-      er+=ycyi;
-      dcx+=xi;
-    }
-  }
-  else
-  {
-    xcyi=abs(2*xc*yi);
-    for (i=0;i<=m;i++)
-    {
-      vesascreen[(dcy*tsx)+dcx]=color;
-      if (er>0)
-      { dcx+=xi;
-        er-=ycyi;
-      }
-      er+=xcyi;
-      dcy+=yi;
-    }
-  }
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESACircle(int x, int y, int radius, int color)
-{
-  int cx=0;
-  int cy=radius;
-  int df=1-radius;
-  int d_e=3;
-  int d_se=-2*radius+5;
-
-  cpubyte=RENDER;
-
-  do {
-    VESAPutPixel(x+cx,y+cy,color);
-    if (cx) VESAPutPixel(x-cx,y+cy,color);
-    if (cy) VESAPutPixel(x+cx,y-cy,color);
-    if ((cx) && (cy)) VESAPutPixel(x-cx,y-cy,color);
-
-    if (cx != cy)
-    {
-      VESAPutPixel(x+cy,y+cx,color);
-      if (cx) VESAPutPixel(x+cy,y-cx,color);
-      if (cy) VESAPutPixel(x-cy,y+cx,color);
-      if (cx && cy) VESAPutPixel(x-cy,y-cx,color);
-    }
-
-    if (df<0)
-    {
-      df+=d_e;
-      d_e+=2;
-      d_se+=2;
-    }
-    else
-    {
-      df+=d_se;
-      d_e+=2;
-      d_se+=4;
-      cy--;
-    }
-
-    cx++;
-
-  } while (cx <= cy);
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESACircleFill(int x, int y, int radius, int color)
-{
-  int cx=0;
-  int cy=radius;
-  int df=1-radius;
-  int d_e=3;
-  int d_se=-2*radius+5;
-
-  cpubyte=RENDER;
-
-  do {
-    VESAHLine(x-cy,y-cx,x+cy,color);
-    if (cx) VESAHLine(x-cy,y+cx,x+cy,color);
-
-    if (df<0)
-    {
-      df+=d_e;
-      d_e+=2;
-      d_se+=2;
-    }
-    else
-    {
-      if (cx != cy)
-      {
-        VESAHLine(x-cx,y-cy,x+cx,color);
-        if (cy) VESAHLine(x-cx,y+cy,x+cx,color);
-      }
-
-      df+=d_se;
-      d_e+=2;
-      d_se+=4;
-      cy--;
-    }
-
-    cx++;
-
-  } while (cx <= cy);
-
-  cpubyte=ETC;
-  return 0;
-}
-
-int VESARect(int x, int y, int x2, int y2, int color)
-{
-  VESAHLine(x,y,x2,color);
-  VESAHLine(x,y2,x2,color);
-  VESAVLine(x,y+1,y2-1,color);
-  VESAVLine(x2,y+1,y2-1,color);
-  return 0;
-}
-
-int VESARectFill(int x, int y, int x2, int y2, int color)
-{
-  cpubyte=RENDER;
-
-  if (y2<y) { int t=y2; y=y2; y2=t; }
-
-  for (; y<=y2; y++)
-    VESAHLine(x,y,x2,color);
-
-  cpubyte=ETC;
-  return 0;
-}
-
-void InitVESA(void)
-{
-  REGISTERS r;
-
-  SET_BX(r, 0x0101);
-  SET_AX(r, 0x4f02);
-  INTERRUPT(0x10, r);
-
-  vesascreenx = (byte *) 0xA0000 + __djgpp_conventional_base;
-  vesascreen = (byte *) valloc(344064, "vesascreen", 0);
-  memset(vesascreen, 0, 344064);
-
-  sx=640;  sy=480;
-  tsx=672; tsy=512;
-  tx=40;   ty=30;
-  cx1=0;   cy1=0;
-  cx2=sx-1;cy2=sy-1;
-
-  // Mode successfuly set, now lets set up the driver.
-  ShutdownVideo = VESAShutdown;
-  ShowPage = VESAShowPage;
-  CopySprite = VESACopySprite;
-  TCopySprite = VESATCopySprite;
-  CCopySprite = VESACCopySprite;
-  TCCopySprite = VESATCCopySprite;
-  CopyTile = VESACopyTile;
-  TCopyTile = VESATCopyTile;
-  ScaleSprite = VESAScaleSprite;
-  RenderMAPLine = VESARenderMAPLine;
-  TRenderMAPLine = VESATRenderMAPLine;
-  ColorField = VESAColorField;
-  ClearScreen = VESAClearScreen;
-  PutPixel = VESAPutPixel;
-  GetPixel = VESAGetPixel;
-  HLine = VESAHLine;
-  VLine = VESAVLine;
-  Line = VESALine;
-  Circle = VESACircle;
-  CircleFill = VESACircleFill;
-  Rect = VESARect;
-  RectFill = VESARectFill;
-  DriverDesc = "640x480 (VESA, Banked)";
-}