| 1 | \r |
| 2 | #include "app.h"\r |
| 3 | \r |
| 4 | unsigned short *EmuScreen=NULL;\r |
| 5 | int EmuWidth=320,EmuHeight=224;\r |
| 6 | RECT EmuScreenRect = { 0, 0, 320, 224 };\r |
| 7 | int picohw_pen_pressed = 0;\r |
| 8 | \r |
| 9 | static int EmuScan(unsigned int num);\r |
| 10 | unsigned char *PicoDraw2FB = NULL;\r |
| 11 | \r |
| 12 | int EmuInit()\r |
| 13 | {\r |
| 14 | int len=0;\r |
| 15 | \r |
| 16 | PicoInit();\r |
| 17 | \r |
| 18 | // Allocate screen:\r |
| 19 | EmuWidth=320; EmuHeight=224;\r |
| 20 | len=EmuWidth*EmuHeight; len<<=1;\r |
| 21 | EmuScreen=(unsigned short *)malloc(len); if (EmuScreen==NULL) return 1;\r |
| 22 | PicoDraw2FB=(unsigned char *)malloc((8+320)*(8+224+8)*2);\r |
| 23 | memset(EmuScreen,0,len);\r |
| 24 | \r |
| 25 | PicoDrawSetColorFormat(1);\r |
| 26 | PicoScanBegin=EmuScan;\r |
| 27 | \r |
| 28 | return 0;\r |
| 29 | }\r |
| 30 | \r |
| 31 | void EmuExit()\r |
| 32 | {\r |
| 33 | //RomFree();\r |
| 34 | free(EmuScreen); EmuScreen=NULL; // Deallocate screen\r |
| 35 | free(PicoDraw2FB);\r |
| 36 | EmuWidth=EmuHeight=0;\r |
| 37 | \r |
| 38 | PicoExit();\r |
| 39 | }\r |
| 40 | \r |
| 41 | // Megadrive scanline callback:\r |
| 42 | static int EmuScan(unsigned int num)\r |
| 43 | {\r |
| 44 | DrawLineDest=EmuScreen+(num<<8)+(num<<6);\r |
| 45 | \r |
| 46 | return 0;\r |
| 47 | }\r |
| 48 | \r |
| 49 | int EmuFrame()\r |
| 50 | {\r |
| 51 | char map[12]={0,1,2,3,8,9,10,4,11,12,13,14}; // Joypads, format is UDLR BCAS ZYXM\r |
| 52 | int a=0,input=0;\r |
| 53 | \r |
| 54 | // Set Megadrive buttons:\r |
| 55 | for (a=0;a<12;a++)\r |
| 56 | {\r |
| 57 | int m=map[a];\r |
| 58 | if (m>=0) if (Inp.button[m]>30) input|=1<<a;\r |
| 59 | }\r |
| 60 | \r |
| 61 | PicoPad[0]=input;\r |
| 62 | if (picohw_pen_pressed) PicoPad[0] |= 0x20;\r |
| 63 | \r |
| 64 | PsndOut=(short *)DSoundNext;\r |
| 65 | PicoFrame();\r |
| 66 | PsndOut=NULL;\r |
| 67 | \r |
| 68 | return 0;\r |
| 69 | }\r |
| 70 | \r |
| 71 | \r |
| 72 | void mp3_update(int *buffer, int length, int stereo)\r |
| 73 | {\r |
| 74 | }\r |
| 75 | \r |
| 76 | void mp3_start_play(FILE *f, int pos)\r |
| 77 | {\r |
| 78 | }\r |
| 79 | \r |
| 80 | int mp3_get_bitrate(FILE *f, int size)\r |
| 81 | {\r |
| 82 | return -1;\r |
| 83 | }\r |
| 84 | \r |