diff -r fceumm-code/src/fceu.c dendy-code/src/fceu.c
325c325
< 	FSettings.UsrFirstSLine[0] = 8;
---
> 	FSettings.UsrFirstSLine[0] = 0;
327c327
< 	FSettings.UsrLastSLine[0] = 231;
---
> 	FSettings.UsrLastSLine[0] = 239;
524c524
< 		return(1008307711);  // ~60.1
---
> 		return(838977920);  // ~50.0
diff -r fceumm-code/src/ines.c dendy-code/src/ines.c
809c809
< 		FCEUI_SetVidSystem(1);
---
> 		FCEUI_SetVidSystem(0);
diff -r fceumm-code/src/ppu.c dendy-code/src/ppu.c
630c630
< 	uint8 *target = XBuf + (scanline << 8);
---
> 	uint8 *target = XBuf + (((scanline < 240) ? scanline : 240) << 8);
1190c1190
< 			for (scanline = 0; scanline < 240; ) { //scanline is incremented in  DoLine.  Evil. :/
---
> 			for (scanline = 0; scanline < 290; ) { //scanline is incremented in  DoLine.  Evil. :/
diff -r fceumm-code/src/x6502.h dendy-code/src/x6502.h
50c50
< #define NTSC_CPU 1789772.7272727272727272
---
> #define NTSC_CPU 1773447.14667