- float escalaw, escalah;\r
- int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3;\r
- unsigned short scalw;\r
-\r
- // set offset\r
- gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp;\r
- gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp;\r
- gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp;\r
- gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp;\r
-\r
- escalaw = 1024.0; // RGB Horiz LCD\r
- escalah = 320.0; // RGB Vert LCD\r
-\r
- if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out\r
- {\r
- escalaw=489.0; // RGB Horiz TV (PAL, NTSC)\r
- if (gp2x_memregs[0x2818>>1] == 287) //PAL\r
- escalah=274.0; // RGB Vert TV PAL\r
- else if (gp2x_memregs[0x2818>>1] == 239) //NTSC\r
- escalah=331.0; // RGB Vert TV NTSC\r
- }\r
-\r
- // scale horizontal\r
- scalw = (unsigned short)((float)escalaw *(W/320.0));\r
- /* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */\r
- if (H != 240 && W == 320) scalw--;\r
- gp2x_memregs[0x2906>>1]=scalw;\r
- // scale vertical\r
- gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0));\r