added copyright line to top of source files next to license information
[cyclone68000.git] / PicoDrive / Debug.cpp
CommitLineData
15eb0001 1\r
58db92b9 2// This file is part of the PicoDrive Megadrive Emulator\r
3\r
c41b9b97 4// Copyright (c) 2011 FinalDave (emudave (at) gmail.com)\r
5\r
58db92b9 6// This code is licensed under the GNU General Public License version 2.0 and the MAME License.\r
7// You can choose the license that has the most advantages for you.\r
8\r
9// SVN repository can be found at http://code.google.com/p/cyclone68000/\r
10\r
15eb0001 11#include "stdafx.h"\r
12\r
13static int ScreenNum=0;\r
14\r
15int DebugScreenGrab()\r
16{\r
17 unsigned char *screen=NULL;\r
18 FILE *file=NULL;\r
19 unsigned char *line=NULL;\r
20 int x=0,y=0;\r
21 char filename[64];\r
22 unsigned char head[0x12];\r
23\r
24 memset(filename,0,sizeof(filename));\r
25 memset(head,0,sizeof(head));\r
26\r
27 // Allocate memory for one line\r
28 line=(unsigned char *)malloc(GXDisp.cxWidth*3); if (line==NULL) return 1;\r
29 memset(line,0,GXDisp.cxWidth*3);\r
30\r
31 // Get pointer to screen:\r
32 screen=(unsigned char *)GXBeginDraw(); if (screen==NULL) { free(line); return 1; }\r
33\r
34 // Open screenshot file:\r
35 for (;;)\r
36 {\r
37 sprintf(filename,"\\Screen%.3d.tga",ScreenNum);\r
38\r
39 // Does this file exist?\r
40 file=fopen(filename,"rb"); if (file==NULL) break; // No - use this\r
41 \r
42 // Exists, try next file\r
43 fclose(file); ScreenNum++;\r
44 if (ScreenNum>=1000) break;\r
45 }\r
46\r
47 // Use this filename\r
48 file=fopen(filename,"wb"); if (file==NULL) { GXEndDraw(); free(line); return 1; }\r
49\r
50 head[0x02]=0x02; //?\r
51 head[0x0c]=(unsigned char) GXDisp.cxWidth;\r
52 head[0x0d]=(unsigned char)(GXDisp.cxWidth>>8);\r
53 head[0x0e]=(unsigned char) GXDisp.cyHeight;\r
54 head[0x0f]=(unsigned char)(GXDisp.cyHeight>>8);\r
55 head[0x10]=24; // Number of bits per pixel\r
56\r
57 // Write header:\r
58 fwrite(head,1,sizeof(head),file);\r
59\r
60 for (y=0;y<(int)GXDisp.cyHeight;y++)\r
61 {\r
62 unsigned char *ps=NULL,*pd=NULL;\r
63 int ry=0;\r
64 int pix=0;\r
65\r
66 ry=GXDisp.cyHeight-y-1;\r
67 ps=screen+ry*GXDisp.cbyPitch;\r
68 pd=line;\r
69\r
70 // Copy pixel to our line buffer\r
71 for (x=0;x<(int)GXDisp.cxWidth; x++,ps+=GXDisp.cbxPitch,pd+=3)\r
72 {\r
73 pix=*(unsigned short *)ps;\r
74\r
75 pd[0]=(unsigned char)((pix&0x001f)<<3); // Red\r
76 pd[1]=(unsigned char)((pix&0x07e0)>>3); // Green\r
77 pd[2]=(unsigned char)((pix&0xf800)>>8); // Blue\r
78 }\r
79\r
80 fwrite(line,1,GXDisp.cxWidth*3,file);\r
81 }\r
82\r
83 fclose(file); file=NULL;\r
84 \r
85 GXEndDraw();\r
86 free(line);\r
87\r
88 return 0;\r
89}\r