4) For the command-engine, standby mode is identical in operation to the bitmap mode.
* PSET command: The logical vram address that is modified is based on modifies the mode. See above.The bit pattern written depends on the CLRM. e.g. foreground is set to &ffff.y=0 P1 and 2bpp: x=0 ->logical VRAM address=0, data = C0 x=1 ->logical VRAM address=0, data = 0C x=2 ->logical VRAM address=1, data = C0 x=3 ->logical VRAM address=1, data = 0C etc. P1 and 4bpp: x=0 ->logical VRAM address=0, data = F0 x=1 ->logical VRAM address=0, data = 0F x=2 ->logical VRAM address=1, data = F0 x=3 ->logical VRAM address=1, data = 0F etc. P1 and 8bpp: x=0 ->logical VRAM address=0, data = FF x=1 ->logical VRAM address=0, data = FF x=2 ->logical VRAM address=1, data = FF x=3 ->logical VRAM address=1, data = FF etc. P1 and 16bpp: x=0 ->logical VRAM address=0, data = FF x=1 ->logical VRAM address=0, data = FF x=2 ->logical VRAM address=1, data = FF x=3 ->logical VRAM address=1, data = FF etc. bitmap and 2bpp: x=0 ->logical VRAM address=0, data=c0 x=1 ->logical VRAM address=0, data=30 x=2 ->logical VRAM address=0, data=0c x=3 ->logical VRAM address=0, data=03 bitmap and 4bpp: x=0 ->logical VRAM address=0, data=f0 x=1 ->logical VRAM address=0, data=0f x=2 ->logical VRAM address=1, data=f0 x=3 ->logical VRAM address=1, data=0f bitmap and 8bpp: x=0 ->logical VRAM address=0, data=ff x=1 ->logical VRAM address=1, data=ff x=2 ->logical VRAM address=2, data=ff x=3 ->logical VRAM address=3, data=ff bitmap and 16bpp: x=0 ->logical VRAM address=0,1 data=ffff x=1 ->logical VRAM address=2,3, data=ffff x=2 ->logical VRAM address=4,5 data=ffff x=3 ->logical VRAM address=6,7 data=ffff (standby is the same as if bitmap)mode was always used.
[[Category:Hardware]]