Instruction Mega On

= Operation =

This instruction alters the screen mode of a MegaChip emulator to allow 256 by 192 pixel graphics.

The default screen mode is normally the standard SuperChip size of 128 by 64 pixels.

Each screen pixels is one byte.

Each pixel can have a value from 0 to 255.

Each pixel value is an index into a defined palette of RGB values.

= Format =

0011 - Enable MegaChip Mode

= Emulator Notes =

If the emulator allows execution of 1802 code, the coding will need to check which mode the machine is in and either process the instruction as a valid MegaChip instruction or as a possible call to ROM code.

= See Also =


 * Read about turning off the MegaChip screen mode.