c64 .PRG loader

emulate 6502 to let the autoload picture load itself !
supports multicolor, hires and some C64 FLI .PRGs

src/c64load.h

@@ -0,0 +1,54 @@
+/* vim:expandtab:ts=2 sw=2:
+*/
+/*  Grafx2 - The Ultimate 256-color bitmap paint program
+
+    Copyright 2018-2019 Thomas Bernard
+    Copyright 2011 Pawel Góralski
+    Copyright 2009 Petter Lindquist
+    Copyright 2008 Yves Rizoud
+    Copyright 2008 Franck Charlet
+    Copyright 2007-2011 Adrien Destugues
+    Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
+
+    Grafx2 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; version 2
+    of the License.
+
+    Grafx2 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 License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Grafx2; if not, see <http://www.gnu.org/licenses/>
+*/
+
+///@file c64load.h
+
+#ifndef C64LOAD_H_INCLUDED
+#define C64LOAD_H_INCLUDED
+
+#define C64_VICMODE_MULTI  0x10
+#define C64_VICMODE_TEXT   0x00
+#define C64_VICMODE_BITMAP 0x20
+#define C64_VICMODE_EXTBKG 0x40
+#define C64_VICMODE_FLI    0x80
+
+struct c64state {
+  void * cpu;
+  byte * ram;
+  word screen;
+  word bitmap;
+  word keyjoyread;
+  word irqrasterline;
+  byte fliscreens[8];
+  byte backgrounds[200];
+  byte vicmode;
+};
+
+word C64_isBinaryProgram(FILE * f);
+int C64_LoadPrg(struct c64state * c64, const byte * prg, long prg_size, word start);
+
+#endif
+