X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=pico%2Futils.c;fp=pico%2Futils.c;h=0000000000000000000000000000000000000000;hb=fb7a7fea8735400818773dd47f1e6913bd1ceecf;hp=467bc7856bb5de575a3dc36f558812af35b3b29b;hpb=1b85bf1c2307c548a637f988eb69f615864f1685;p=picodrive.git

diff --git a/pico/utils.c b/pico/utils.c
deleted file mode 100644
index 467bc78..0000000
--- a/pico/utils.c
+++ /dev/null
@@ -1,108 +0,0 @@
-// This is part of Pico Library
-
-// (c) Copyright 2004 Dave, All rights reserved.
-// (c) Copyright 2006 notaz, All rights reserved.
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
-
-
-#include "pico_int.h"
-
-int PicuAnd=0xf7de;
-
-// Quick low-quality conversion of 320 to 176:
-int PicuQuick(unsigned short *dest,unsigned short *src)
-{
-  unsigned short *end=NULL;
-
-  src+=13; end=src+290;
-  dest++;
-
-  do
-  {
-    *dest++=*src++;
-    *dest++=*src; src+=2;
-    *dest++=*src; src+=2;
-    *dest++=*src++;
-    *dest++=*src; src+=2;
-    *dest++=*src; src+=2;
-  }
-  while (src<end);
-
-  return 0;
-}
-
-// Shrink the pixels in src/srcLen, to the screen line pointed to by dest/destLen
-int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen)
-{
-  unsigned short *end=NULL;
-  int bias=0,pa=0,sub=0;
-
-  end=dest+destLen;
-  sub=srcLen-destLen;
-
-  do
-  {
-    pa=*src++; bias-=sub;
-    if (bias<0) { pa+=*src++; pa>>=1; bias+=destLen; }
-    *dest++=(unsigned short)pa;
-
-    pa=*src++; bias-=sub;
-    if (bias<0) { pa+=*src++; pa>>=1; bias+=destLen; }
-    *dest++=(unsigned short)pa;
-  }
-  while (dest<end);
-  
-  return 0;
-}
-
-// same thing, only reversed (dest is in pre-decremental mode)
-int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen)
-{
-  unsigned short *end=NULL;
-  int bias=0,pa=0,sub=0;
-
-  end=dest-destLen;
-  sub=srcLen-destLen;
-
-  do
-  {
-    pa=*src++; bias-=sub;
-    if (bias<0) { pa+=*src++; pa>>=1; bias+=destLen; }
-    *(--dest)=(unsigned short)pa;
-
-    pa=*src++; bias-=sub;
-    if (bias<0) { pa+=*src++; pa>>=1; bias+=destLen; }
-    *(--dest)=(unsigned short)pa;
-  }
-  while (dest>end);
-  
-  return 0;
-}
-
-int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen)
-{
-  unsigned short *end=NULL;
-  int bias=0,pa=0,mask=PicuAnd,sub=0;
-
-  end=dest+destLen;
-  sub=srcLen-destLen;
-
-  do
-  {
-    pa=*src++; bias-=sub;
-    if (bias<0) { pa+=*src++; pa>>=1; bias+=destLen; }
-    pa&=mask; pa+=(*dest)&mask; pa>>=1;
-    *dest++=(unsigned short)pa;
-
-    pa=*src++; bias-=sub;
-    if (bias<0) { pa+=*src++; pa>>=1; bias+=destLen; }
-    pa&=mask; pa+=(*dest)&mask; pa>>=1;
-    *dest++=(unsigned short)pa;
-  }
-  while (dest<end);
-  
-  return 0;
-}
-