Super Game Boy Commands; Foreword; Palettes - Nintendo DMG-01 - Game Boy Console Manual

TM
Game Boy CPU Manual

4. Super Game Boy commands

4.1. Foreword

Super GameBoy Commands, Extracted by kOOPa, 15-Feb-98
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Last updated by:
Updates:
Block Area mode ($04) control codes updated
Line mode ($05) written
Divide mode ($06) written
1CHR mode ($07) written
A SGB command transfer is 128 bits + a zero bit. The
first five bits of the first byte is the command byte.
The last 3 bits of the first byte represent the number
of 128 bit packages to be sent. Unused bits in a SGB
command transfer should be set to 0.
Most of the commands listed below only transfer one
package. The command bytes below are preceded by the #
character to remind you that they have to be shifted
left three times before used.

4.2. Palettes

There are several different types of palettes in the
SGB. One type is the System color palette. It is a
virtual palette rather than a hardware palette. The
hardware color palette is shown at the bottom of this
document and contains what are called the SGB color
palettes and also holds the SGB Border palette.
As far as SGB onscreen colors are concerned there are
only really two palette types: SGB color palettes and
by DP
4. Super Game Boy commands
Bowser, 13-June-98
Page 119